{"id":8351,"date":"2026-05-21T15:42:15","date_gmt":"2026-05-21T07:42:15","guid":{"rendered":"https:\/\/www.endlesswiresaw.com\/?page_id=8351"},"modified":"2026-05-22T12:25:41","modified_gmt":"2026-05-22T04:25:41","slug":"germanium-lens-manufacturing","status":"publish","type":"page","link":"https:\/\/www.endlesswiresaw.com\/tr\/germanium-lens-manufacturing\/","title":{"rendered":"Germanyum Lens \u00dcretimi"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"8351\" class=\"elementor elementor-8351\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d82474 e-con-full e-flex e-con e-parent\" data-id=\"2d82474\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c01d669 elementor-widget__width-inherit elementor-widget elementor-widget-html\" data-id=\"c01d669\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\" \/>\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin \/>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600;9..144,700;9..144,800&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap\" rel=\"stylesheet\" \/>\n<style>\n  \/* ===============================\n     SCOPE: all rules under .vf-ge\n     to isolate from WordPress theme\n     =============================== *\/\n \n  \/* --- CSS Variables --- *\/\n  .vf-ge {\n    --red: #C8102E;\n    --red-deep: #8B0A1F;\n    --red-rust: #6B0815;\n    --ink: #0A0A0A;\n    --ink-soft: #1F1F1F;\n    --gray-900: #2A2A2A;\n    --gray-700: #4A4A4A;\n    --gray-500: #757575;\n    --gray-300: #B8B5AD;\n    --gray-100: #E5E2DA;\n    --paper: #FAFAF7;\n    --paper-warm: #F2EFE6;\n    --gold: #9B7A1E;\n    --gold-soft: #C9A862;\n    --font-display: 'Fraunces', 'Times New Roman', Georgia, serif;\n    --font-body: 'IBM Plex Sans', system-ui, sans-serif;\n    --font-mono: 'JetBrains Mono', ui-monospace, monospace;\n    --max-w: 1280px;\n    --pad-x: clamp(20px, 4vw, 56px);\n  }\n \n  \/* --- Hard reset inside .vf-ge to block theme pollution --- *\/\n  .vf-ge,\n  .vf-ge *,\n  .vf-ge *::before,\n  .vf-ge *::after {\n    box-sizing: border-box !important;\n    margin: 0;\n    padding: 0;\n    border: 0;\n    font-size: inherit;\n    font-weight: inherit;\n    color: inherit;\n    text-decoration: none;\n    list-style: none;\n    background: none;\n    vertical-align: baseline;\n  }\n \n  .vf-ge {\n    font-family: var(--font-body) !important;\n    font-size: 17px !important;\n    line-height: 1.65 !important;\n    color: var(--ink) !important;\n    background: var(--paper) !important;\n    -webkit-font-smoothing: antialiased;\n    text-rendering: optimizeLegibility;\n    width: 100vw;\n    position: relative;\n    left: 50%;\n    right: 50%;\n    margin-left: -50vw;\n    margin-right: -50vw;\n  }\n  .vf-ge img { max-width: 100% !important; height: auto !important; display: block !important; }\n  .vf-ge a { color: var(--red) !important; text-decoration: none !important; }\n  .vf-ge a:hover { text-decoration: underline !important; text-underline-offset: 3px; }\n \n  \/* --- Utilities --- *\/\n  .vf-ge .container { max-width: var(--max-w); margin: 0 auto; padding-left: var(--pad-x) !important; padding-right: var(--pad-x) !important; }\n  .vf-ge .eyebrow {\n    font-family: var(--font-mono) !important;\n    font-size: 11px !important;\n    letter-spacing: 0.22em !important;\n    text-transform: uppercase !important;\n    color: var(--red) !important;\n    font-weight: 500 !important;\n  }\n  .vf-ge .display {\n    font-family: var(--font-display) !important;\n    font-weight: 500 !important;\n    font-variation-settings: \"opsz\" 144, \"SOFT\" 30;\n    line-height: 1.04 !important;\n    letter-spacing: -0.025em !important;\n  }\n \n  \/* ===============================\n     HERO\n     =============================== *\/\n  .vf-ge .hero {\n    background: var(--ink) !important;\n    color: var(--paper) !important;\n    position: relative;\n    overflow: hidden;\n    padding: clamp(80px, 12vw, 160px) 0 clamp(60px, 10vw, 120px) !important;\n  }\n  .vf-ge .hero::before {\n    content: '';\n    position: absolute; 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gap: 16px; flex-wrap: wrap; }\n  .vf-ge .btn {\n    font-family: var(--font-mono) !important;\n    font-size: 12px !important;\n    letter-spacing: 0.16em !important;\n    text-transform: uppercase !important;\n    padding: 16px 28px !important;\n    font-weight: 500 !important;\n    border: none !important;\n    cursor: pointer;\n    transition: all 0.2s ease;\n    display: inline-block !important;\n  }\n  .vf-ge .btn-primary {\n    background: var(--red) !important;\n    color: var(--paper) !important;\n  }\n  .vf-ge .btn-primary:hover { background: var(--red-deep) !important; text-decoration: none !important; color: var(--paper) !important; }\n  .vf-ge .btn-ghost {\n    background: transparent !important;\n    color: var(--paper) !important;\n    border: 1.5px solid var(--gray-700) !important;\n  }\n  .vf-ge .btn-ghost:hover { border-color: var(--paper) !important; text-decoration: none !important; color: var(--paper) !important; }\n \n  \/* Spec panel *\/\n  .vf-ge .spec-panel {\n    border: 1px solid var(--gray-700) !important;\n    padding: 28px !important;\n    background: rgba(255,255,255,0.02) !important;\n    position: relative;\n  }\n  .vf-ge .spec-panel-label {\n    position: absolute;\n    top: -10px; left: 20px;\n    background: var(--ink) !important;\n    padding: 0 10px !important;\n    font-family: var(--font-mono) !important;\n    font-size: 10px !important;\n    letter-spacing: 0.22em !important;\n    color: var(--red) !important;\n    text-transform: uppercase !important;\n  }\n  .vf-ge .spec-row {\n    display: grid !important;\n    grid-template-columns: 1fr auto;\n    padding: 12px 0 !important;\n    border-bottom: 1px solid rgba(255,255,255,0.08) !important;\n    font-size: 13px !important;\n  }\n  .vf-ge .spec-row:last-child { border-bottom: 0 !important; }\n  .vf-ge .spec-row .label { color: var(--gray-300) !important; font-family: var(--font-mono) !important; font-size: 11px !important; letter-spacing: 0.06em !important; text-transform: uppercase !important; }\n  .vf-ge .spec-row .val { color: var(--paper) !important; font-weight: 500 !important; font-family: var(--font-mono) !important; font-size: 13px !important; text-align: right !important; }\n  .vf-ge .spec-row .val em { color: var(--red) !important; font-style: normal !important; font-weight: 600 !important; }\n \n  @media (max-width: 860px) {\n    .vf-ge .hero-grid { grid-template-columns: 1fr !important; }\n  }\n \n  \/* ===============================\n     SECTION SCAFFOLDING\n     =============================== *\/\n  .vf-ge section { padding: clamp(80px, 10vw, 140px) 0 !important; position: relative; }\n  .vf-ge section.dark { background: var(--ink) !important; color: var(--paper) !important; }\n  .vf-ge section.warm { background: var(--paper-warm) !important; }\n \n  .vf-ge .section-head {\n    max-width: 740px;\n    margin-bottom: clamp(48px, 6vw, 80px) !important;\n  }\n  .vf-ge .section-head .eyebrow { margin-bottom: 20px !important; }\n  .vf-ge .section-head h2 {\n    font-family: var(--font-display) !important;\n    font-weight: 500 !important;\n    font-size: clamp(32px, 4.5vw, 56px) !important;\n    line-height: 1.1 !important;\n    margin: 0 0 24px !important;\n    letter-spacing: -0.02em !important;\n    font-variation-settings: \"opsz\" 144, \"SOFT\" 50;\n    color: inherit !important;\n  }\n  .vf-ge .section-head h2 em { color: var(--red) !important; font-style: italic !important; font-variation-settings: \"opsz\" 144, \"SOFT\" 100; }\n  .vf-ge .section-head p {\n    font-size: clamp(16px, 1.4vw, 19px) !important;\n    line-height: 1.6 !important;\n    color: var(--gray-700) !important;\n    margin: 0 !important;\n  }\n  .vf-ge section.dark .section-head h2 { color: var(--paper) !important; }\n  .vf-ge section.dark .section-head h2 em { color: var(--red) !important; }\n  .vf-ge section.dark .section-head p { color: var(--gray-300) !important; }\n \n  \/* ===============================\n     WHY-GE 3-COL\n     =============================== *\/\n  .vf-ge .why-grid {\n    display: grid !important;\n    grid-template-columns: repeat(3, 1fr);\n    gap: 0;\n    border-top: 1px solid var(--gray-100) !important;\n    border-bottom: 1px solid var(--gray-100) !important;\n  }\n  .vf-ge .why-cell {\n    padding: 48px 32px !important;\n    border-right: 1px solid var(--gray-100) !important;\n    position: relative;\n  }\n  .vf-ge .why-cell:last-child { border-right: 0 !important; }\n  .vf-ge .why-num {\n    font-family: var(--font-display) !important;\n    font-style: italic !important;\n    color: var(--red) !important;\n    font-size: 64px !important;\n    font-weight: 400 !important;\n    line-height: 1 !important;\n    margin-bottom: 24px !important;\n    display: block !important;\n    font-variation-settings: \"opsz\" 144, \"SOFT\" 100;\n  }\n  .vf-ge .why-cell h3 {\n    font-family: var(--font-display) !important;\n    font-size: 24px !important;\n    line-height: 1.25 !important;\n    margin: 0 0 16px !important;\n    font-weight: 500 !important;\n    letter-spacing: -0.01em !important;\n    color: var(--ink) !important;\n  }\n  .vf-ge .why-cell p {\n    color: var(--gray-700) !important;\n    font-size: 15px !important;\n    line-height: 1.6 !important;\n    margin: 0 !important;\n  }\n  @media (max-width: 860px) {\n    .vf-ge .why-grid { grid-template-columns: 1fr !important; }\n    .vf-ge .why-cell { border-right: 0 !important; border-bottom: 1px solid var(--gray-100) !important; }\n    .vf-ge .why-cell:last-child { border-bottom: 0 !important; }\n  }\n \n  \/* ===============================\n     WORKFLOW FRAME\n     =============================== *\/\n  .vf-ge .workflow-frame {\n    background: var(--paper) !important;\n    border: 1px solid var(--gray-100) !important;\n    padding: clamp(24px, 4vw, 48px) !important;\n    margin-top: 32px !important;\n    box-shadow: 0 4px 32px rgba(0,0,0,0.04);\n  }\n  .vf-ge .workflow-frame img { display: block !important; width: 100% !important; height: auto !important; }\n \n  \/* ===============================\n     PROCESS STEPS\n     =============================== *\/\n  .vf-ge .process-step {\n    display: grid !important;\n    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);\n    gap: clamp(32px, 5vw, 80px);\n    padding: clamp(60px, 8vw, 120px) 0 !important;\n    border-top: 1px solid var(--gray-100) !important;\n    align-items: start;\n  }\n  .vf-ge .process-step:first-of-type { border-top: 0 !important; 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font-size: 16px !important; line-height: 1.7 !important; margin: 0 0 18px !important; }\n  .vf-ge .process-text p:last-child { margin-bottom: 0 !important; }\n  .vf-ge .process-text strong { color: var(--ink) !important; font-weight: 600 !important; }\n  .vf-ge .process-text a { color: var(--red) !important; border-bottom: 1px solid currentColor !important; padding-bottom: 1px !important; }\n  .vf-ge .process-text a:hover { color: var(--red-deep) !important; text-decoration: none !important; }\n \n  .vf-ge .machine-card {\n    background: var(--paper-warm) !important;\n    border-left: 3px solid var(--red) !important;\n    padding: 20px 24px !important;\n    margin: 24px 0 !important;\n    font-size: 15px !important;\n  }\n  .vf-ge .machine-card .name {\n    font-family: var(--font-display) !important;\n    font-weight: 600 !important;\n    font-size: 18px !important;\n    margin: 0 0 6px !important;\n    color: var(--ink) !important;\n  }\n  .vf-ge .machine-card .range {\n    font-family: var(--font-mono) !important;\n    font-size: 12px !important;\n    color: var(--gray-700) !important;\n    letter-spacing: 0.04em !important;\n  }\n \n  \/* Spec table *\/\n  .vf-ge .spec-table {\n    width: 100% !important;\n    border-collapse: collapse !important;\n    font-family: var(--font-mono) !important;\n    font-size: 13px !important;\n    margin: 28px 0 8px !important;\n    border-top: 2px solid var(--ink) !important;\n    border-bottom: 2px solid var(--ink) !important;\n  }\n  .vf-ge .spec-table caption {\n    text-align: left !important;\n    font-family: var(--font-mono) !important;\n    font-size: 11px !important;\n    letter-spacing: 0.22em !important;\n    text-transform: uppercase !important;\n    color: var(--red) !important;\n    padding-bottom: 12px !important;\n    font-weight: 500 !important;\n    caption-side: top;\n  }\n  .vf-ge .spec-table td {\n    padding: 11px 0 !important;\n    border-bottom: 1px solid var(--gray-100) !important;\n    vertical-align: top !important;\n  }\n  .vf-ge .spec-table tr:last-child td { border-bottom: 0 !important; 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}\n  .vf-ge .cycle-table td {\n    padding: 18px 12px !important;\n    border-bottom: 1px solid rgba(255,255,255,0.08) !important;\n    vertical-align: top !important;\n    color: var(--gray-300) !important;\n  }\n  .vf-ge .cycle-table td:last-child { text-align: right !important; font-weight: 600 !important; }\n  .vf-ge .cycle-table .machine { color: var(--gray-300) !important; font-size: 12px !important; }\n  .vf-ge .cycle-table .time-big { color: var(--paper) !important; font-size: 16px !important; }\n \n  .vf-ge .cycle-summary {\n    margin-top: 48px !important;\n    display: grid !important;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 32px;\n  }\n  .vf-ge .cycle-stat {\n    border-left: 2px solid var(--red) !important;\n    padding: 8px 0 8px 24px !important;\n  }\n  .vf-ge .cycle-stat .num {\n    font-family: var(--font-display) !important;\n    font-size: 56px !important;\n    line-height: 1 !important;\n    font-weight: 500 !important;\n    color: var(--paper) !important;\n    font-variation-settings: \"opsz\" 144, \"SOFT\" 50;\n    margin-bottom: 12px !important;\n  }\n  .vf-ge .cycle-stat .num em { color: var(--red) !important; 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}\n \n  \/* ===============================\n     INDUSTRIES\n     =============================== *\/\n  .vf-ge .industries-grid {\n    display: grid !important;\n    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));\n    gap: 0;\n    border-top: 1px solid var(--gray-100) !important;\n  }\n  .vf-ge .industry {\n    padding: 36px 28px !important;\n    border-right: 1px solid var(--gray-100) !important;\n    border-bottom: 1px solid var(--gray-100) !important;\n  }\n  .vf-ge .industry .num {\n    font-family: var(--font-mono) !important;\n    font-size: 11px !important;\n    color: var(--red) !important;\n    letter-spacing: 0.15em !important;\n    margin-bottom: 18px !important;\n    font-weight: 500 !important;\n  }\n  .vf-ge .industry h4 {\n    font-family: var(--font-display) !important;\n    font-size: 19px !important;\n    margin: 0 0 10px !important;\n    font-weight: 500 !important;\n    letter-spacing: -0.01em !important;\n    color: var(--ink) !important;\n  }\n  .vf-ge .industry p {\n    font-size: 14px !important;\n    color: var(--gray-700) !important;\n    line-height: 1.55 !important;\n    margin: 0 !important;\n  }\n \n  \/* ===============================\n     CTA\n     =============================== *\/\n  .vf-ge .cta-final {\n    background: var(--ink) !important;\n    color: var(--paper) !important;\n    text-align: center;\n    padding: clamp(80px, 12vw, 160px) var(--pad-x) !important;\n    position: relative;\n    overflow: hidden;\n  }\n  .vf-ge .cta-final::before {\n    content: '' !important;\n    position: absolute; 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left: 0; top: 14px;\n    font-family: var(--font-mono) !important;\n    font-size: 11px !important;\n    color: var(--red) !important;\n    letter-spacing: 0.06em !important;\n    display: block !important;\n  }\n  .vf-ge .cta-checklist li:nth-child(2)::before { content: '02' !important; }\n  .vf-ge .cta-checklist li:nth-child(3)::before { content: '03' !important; }\n  .vf-ge .cta-checklist li:nth-child(4)::before { content: '04' !important; }\n  @media (max-width: 600px) { .vf-ge .cta-checklist { grid-template-columns: 1fr !important; } }\n \n  \/* ===============================\n     LOAD ANIMATION\n     =============================== *\/\n  @keyframes vf-rise {\n    from { opacity: 0; transform: translateY(20px); }\n    to { opacity: 1; transform: none; }\n  }\n  .vf-ge .hero h1,\n  .vf-ge .hero-lede,\n  .vf-ge .hero-cta-row,\n  .vf-ge .spec-panel {\n    animation: vf-rise 0.8s ease both;\n  }\n  .vf-ge .hero-lede { animation-delay: 0.1s; }\n  .vf-ge .hero-cta-row { animation-delay: 0.2s; }\n  .vf-ge .spec-panel { animation-delay: 0.3s; }\n<\/style>\n \n<div class=\"vf-ge\">\n \n<!-- ========== HERO ========== -->\n<section class=\"hero\">\n  <div class=\"container\">\n    <div class=\"hero-grid\">\n      <div>\n        <div class=\"hero-eyebrow eyebrow\">Application Solution \u00b7 IR Optics<\/div>\n        <h1 class=\"display\">\n          Germanium Lens Manufacturing \u2014 <em>One-Stop<\/em> from Cutting to Coating\n        <\/h1>\n        <p class=\"hero-lede\">\n          Optical-grade Ge runs $1,800\u2013$2,400 per kilogram. When one boule is worth more than the saw cutting it, kerf width stops being an engineering detail and becomes the BOM line that decides profitability. We deliver the full chain \u2014 wire saw, centering, spherical grinding, polishing, AR coating \u2014 under one technical owner.\n        <\/p>\n        <div class=\"hero-cta-row\">\n          <a href=\"#cta\" class=\"btn btn-primary\">Request Configuration<\/a>\n          <a href=\"#workflow\" class=\"btn btn-ghost\">See the Workflow \u2193<\/a>\n        <\/div>\n      <\/div>\n \n      <div class=\"spec-panel\">\n        <span class=\"spec-panel-label\">At a Glance<\/span>\n        <div class=\"spec-row\"><span class=\"label\">Kerf loss<\/span><span class=\"val\"><em>0.5 mm<\/em> \u00b7 vs 5\u201310 mm coring<\/span><\/div>\n        <div class=\"spec-row\"><span class=\"label\">Edge chipping<\/span><span class=\"val\">&lt; 0.1 mm<\/span><\/div>\n        <div class=\"spec-row\"><span class=\"label\">Surface Ra<\/span><span class=\"val\">0.6 \u2013 1.2 \u03bcm<\/span><\/div>\n        <div class=\"spec-row\"><span class=\"label\">Decentering<\/span><span class=\"val\">\u2264 30 arcsec<\/span><\/div>\n        <div class=\"spec-row\"><span class=\"label\">Surface figure<\/span><span class=\"val\">1 \u03bb @ 633 nm<\/span><\/div>\n        <div class=\"spec-row\"><span class=\"label\">Material saved<\/span><span class=\"val\"><em>$200\u2013$600<\/em> per 200 mm boule<\/span><\/div>\n        <div class=\"spec-row\"><span class=\"label\">Cycle \/ \u03a650 mm lens<\/span><span class=\"val\">~50 min ex-coating<\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== WHY GE IS HARD ========== -->\n<section>\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">Why Ge Is Hard To Cut Well<\/div>\n      <h2>Germanium looks easy on paper. <em>In practice,<\/em> three things make it punishing.<\/h2>\n    <\/div>\n \n    <div class=\"why-grid\">\n      <div class=\"why-cell\">\n        <span class=\"why-num\">01<\/span>\n        <h3>It's expensive \u2014 and getting more so<\/h3>\n        <p>Defense and thermal imaging demand pulled Ge prices up sharply during 2023\u20132024. Every millimeter of kerf is a real dollar figure. A 5 mm-wide cut through a $2,000\/kg boule wastes a measurable percentage of revenue per slice.<\/p>\n      <\/div>\n      <div class=\"why-cell\">\n        <span class=\"why-num\">02<\/span>\n        <h3>It chips along (111) planes<\/h3>\n        <p>Single-crystal Ge cleaves cleanly along its (111) faces. A core drill grinding through the boule throws off micro-chips on the exit face every time. Exit-side chip zones of 0.3 to 0.8 mm on cored pucks are common \u2014 all material the lens grinder removes before shaping.<\/p>\n      <\/div>\n      <div class=\"why-cell\">\n        <span class=\"why-num\">03<\/span>\n        <h3>Damage hides until polish<\/h3>\n        <p>Ge absorbs in the visible. Subsurface damage from a poor cut doesn't show up until the lens reaches the polishing stage, by which point you've put grinding hours into a part that's going to scatter. Reference: <a href=\"https:\/\/www.crystran.com\/optical-materials\/germanium-ge\" target=\"_blank\" rel=\"noopener\">Crystran Ge datasheet<\/a>.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== WORKFLOW ========== -->\n<section class=\"warm\" id=\"workflow\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">The Full Workflow<\/div>\n      <h2>From raw Ge ingot to coated lens, under <em>one engineering owner<\/em>.<\/h2>\n      <p>Three things differentiate this chain from buying each machine separately: the same engineering team owns the tolerance budget end-to-end; fixturing carries through stations; one quote, one delivery window. For shops setting up a new IR optics line, this collapses a 6-vendor RFQ into a single technical conversation.<\/p>\n    <\/div>\n \n    <div class=\"workflow-frame\">\n      <img decoding=\"async\" src=\"https:\/\/www.endlesswiresaw.com\/wp-content\/uploads\/2026\/05\/germanium-lens-manufacturing-workflow.jpg\" alt=\"Germanium lens manufacturing workflow \u2014 six stages from Ge ingot through wire saw cutting, centering, spherical grinding, polishing, and AR coating\" loading=\"lazy\" title=\"Endless elmas tel testere makinesi, hassas kesim i\u00e7in m\u00fckemmel bir makine aletidir\">\n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== PROCESS STEPS ========== -->\n<section>\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">Process Detail \u00b7 Steps 1 \u2192 5<\/div>\n      <h2>What happens at <em>each station<\/em>, with the parameters that actually matter.<\/h2>\n    <\/div>\n \n    <!-- STEP 1 -->\n    <div class=\"process-step\">\n      <div class=\"process-text\">\n        <div class=\"process-step-num\">\n          <span class=\"step-num-display\">01<\/span>\n          <span class=\"step-num-label\">Vimfun \u00b7 Wire Saw<\/span>\n        <\/div>\n        <h3>Ingot to Rod \u2014 squaring and core replacement<\/h3>\n        <p>Most Ge boules arrive as 100\u2013300 mm diameter cylinders, between 100 and 400 mm long. The first job is either to square the boule for rectangular optics or to extract smaller-diameter rods from a large boule. This is where the endless wire saw replaces the coring drill.<\/p>\n        <p>Instead of grinding away a 5\u201310 mm annular ring around the core, our <a href=\"https:\/\/www.endlesswiresaw.com\/sgi-20-contour-cutting-machine\/\" target=\"_blank\" rel=\"noopener\">SGI 40 contour wire saw<\/a> traces the perimeter of each rod with a 0.42\u20130.5 mm loop. Kerf loss per cut runs around 0.5 mm. On a 200 mm boule, that's the difference between getting four 80 mm cores out of one boule or five.<\/p>\n \n        <div class=\"machine-card\">\n          <div class=\"name\">SGI 40 Contour Wire Saw<\/div>\n          <div class=\"range\">Ingot \u03a6 \u2264 185 mm  \u00b7  Length \u2264 400 mm  \u00b7  Custom frames available<\/div>\n        <\/div>\n \n        <p>Contour cutting speed runs at 4\u20138 mm\/min along the perimeter, so extracting a \u03a634 mm rod (perimeter \u2248 107 mm) takes roughly 18 minutes per rod at the typical 6 mm\/min setpoint.<\/p>\n \n        <table class=\"spec-table\">\n          <caption>Parameters \u00b7 Ge Ingot Contour Cutting<\/caption>\n          <tr><td>Tel \u00e7ap\u0131<\/td><td>0.42 \u2013 0.5 mm<\/td><\/tr>\n          <tr><td>Tel gerginli\u011fi<\/td><td>110 \u2013 140 N<\/td><\/tr>\n          <tr><td>Tel h\u0131z\u0131<\/td><td>40 \u2013 60 m\/s<\/td><\/tr>\n          <tr><td>Contour feed speed<\/td><td>4 \u2013 8 mm\/min<\/td><\/tr>\n          <tr><td>Cooling<\/td><td>Beyaz mineral ya\u011f<\/td><\/tr>\n          <tr><td>Typical kerf<\/td><td>5 \u2013 0.6 mm<\/td><\/tr>\n        <\/table>\n      <\/div>\n      <div class=\"process-visual\">\n        <div class=\"visual-frame\">\n          <img decoding=\"async\" src=\"https:\/\/www.endlesswiresaw.com\/wp-content\/uploads\/2026\/05\/SGI-40-wire-saw-extracting-rods-from-a-Ge-ingot.jpg\" alt=\"SGI 40 endless diamond wire saw contour-cutting a germanium ingot into smaller rods\" loading=\"lazy\" title=\"Endless elmas tel testere makinesi, hassas kesim i\u00e7in m\u00fckemmel bir makine aletidir\">\n        <\/div>\n        <div class=\"visual-caption\"><strong>Fig 01<\/strong> \u00b7 SGI 40 wire saw extracting rods from a Ge ingot. The loop traces the perimeter rather than grinding through the boule, so kerf scales with rod circumference, not ingot volume.<\/div>\n \n        <div class=\"video-frame\">\n          <iframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/-XTMapaDTAU\"\n                  title=\"VIDEO 01 \u2014 Wire saw extracting a rod from a Ge ingot \u2014 contour cut in real time, watch the kerf width\"\n                  loading=\"lazy\"\n                  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n                  allowfullscreen><\/iframe>\n        <\/div>\n        <div class=\"visual-caption\"><strong>VIDEO 01<\/strong> \u00b7 Wire saw extracting a rod from a Ge ingot \u2014 contour cut in real time, watch the kerf width<\/div>\n      <\/div>\n    <\/div>\n \n    <!-- STEP 2 -->\n    <div class=\"process-step flip\">\n      <div class=\"process-text\">\n        <div class=\"process-step-num\">\n          <span class=\"step-num-display\">02<\/span>\n          <span class=\"step-num-label\">Vimfun \u00b7 Wire Saw<\/span>\n        <\/div>\n        <h3>Rod to Puck \u2014 cross-section slicing<\/h3>\n        <p>Once we have cylindrical rods, the next step is slicing them into pucks \u2014 typically 5 to 15 mm thick depending on whether the final lens is a meniscus, plano-convex, or full aspheric blank. The SGI 40 used in Step 1 switches into slicing mode; shops with high-volume straight-cut needs may add the <a href=\"https:\/\/www.endlesswiresaw.com\/sgsm-40-swinging-diamond-wire-cutting-equipment\/\" target=\"_blank\" rel=\"noopener\">SGSM40<\/a> as a dedicated slicer.<\/p>\n        <p>In straight-slice mode the wire travels through the rod diameter rather than tracing a perimeter, so feed speed runs faster \u2014 10 to 20 mm\/min on Ge. A single straight cut through a \u03a6180 mm rod takes about 12 minutes at the upper end of that range.<\/p>\n        <p>Sliced pucks come off the wire saw with surface roughness in the Ra 0.6\u20131.2 \u00b5m range \u2014 fine enough that the first grinding step removes very little stock. TTV on production runs sits in the 8\u201315 \u00b5m range across a 50 mm puck, comparable to good ID-saw output at maybe one-third the kerf loss.<\/p>\n \n        <table class=\"spec-table\">\n          <caption>Parameters \u00b7 Ge Rod Slicing<\/caption>\n          <tr><td>Tel \u00e7ap\u0131<\/td><td>0.35 \u2013 0.42 mm<\/td><\/tr>\n          <tr><td>Tel gerginli\u011fi<\/td><td>100 \u2013 130 N<\/td><\/tr>\n          <tr><td>Tel h\u0131z\u0131<\/td><td>30 \u2013 50 m\/s<\/td><\/tr>\n          <tr><td>Slice feed speed<\/td><td>10 \u2013 20 mm\/min<\/td><\/tr>\n          <tr><td>Cooling<\/td><td>Beyaz mineral ya\u011f<\/td><\/tr>\n          <tr><td>Surface roughness Ra<\/td><td>0.6 \u2013 1.2 \u03bcm<\/td><\/tr>\n          <tr><td>TTV (typical)<\/td><td>8 \u2013 15 \u03bcm<\/td><\/tr>\n        <\/table>\n      <\/div>\n      <div class=\"process-visual\">\n        <div class=\"visual-frame\">\n          <img decoding=\"async\" src=\"https:\/\/www.endlesswiresaw.com\/wp-content\/uploads\/2026\/05\/Ge-pucks-fresh-off-the-wire-saw.jpg\" alt=\"Sliced germanium pucks fresh off the wire saw, ready for edge grinding\" loading=\"lazy\" title=\"Endless elmas tel testere makinesi, hassas kesim i\u00e7in m\u00fckemmel bir makine aletidir\">\n        <\/div>\n        <div class=\"visual-caption\"><strong>Fig 02<\/strong> \u00b7 Ge pucks fresh off the wire saw. Surface roughness comes off the saw at Ra 0.6\u20131.2 \u00b5m \u2014 low enough that the centering machine in Step 3 finds clean reference faces.<\/div>\n \n        <div class=\"video-frame\">\n          <iframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/5kF21IMQ0so\"\n                  title=\"VIDEO 02 \u2014 Straight slicing a Ge rod into pucks \u2014 feed rate 10\u201320 mm\/min, single-direction wire travel\"\n                  loading=\"lazy\"\n                  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n                  allowfullscreen><\/iframe>\n        <\/div>\n        <div class=\"visual-caption\"><strong>VIDEO 02<\/strong> \u00b7 Straight slicing a Ge rod into pucks \u2014 feed rate 10\u201320 mm\/min, single-direction wire travel<\/div>\n      <\/div>\n    <\/div>\n \n    <!-- STEP 3 -->\n    <div class=\"process-step\">\n      <div class=\"process-text\">\n        <div class=\"process-step-num\">\n          <span class=\"step-num-display\">03<\/span>\n          <span class=\"step-num-label\">Sister Co. \u00b7 Centering<\/span>\n        <\/div>\n        <h3>Edge Grinding and Centering<\/h3>\n        <p>After slicing, the pucks move to our <a href=\"https:\/\/www.semiconductorcutting.com\/product-category\/products\/grinding-machine\/\" target=\"_blank\" rel=\"noopener\">sister company's centering facility<\/a> for edge processing. This step grinds the puck OD round and chamfers the corners \u2014 and it happens before spherical surface generation, not after. The reasoning is mechanical: a centered cylindrical OD gives the spherical grinder a predictable rotational reference, which means the surface comes off the next machine already concentric with the lens edge.<\/p>\n \n        <div class=\"machine-card\">\n          <div class=\"name\">Centering Machine C-120L<\/div>\n          <div class=\"range\">\u03a6 1.8 \u2013 120 mm  \u00b7  Thickness \u2264 30 mm<\/div>\n        <\/div>\n        <div class=\"machine-card\">\n          <div class=\"name\">Centering Machine C-185L<\/div>\n          <div class=\"range\">\u03a6 50 \u2013 185 mm  \u00b7  Thickness \u2264 45 mm<\/div>\n        <\/div>\n \n        <p>Cycle time runs 1 to 3 minutes per part depending on diameter, chamfer spec, and stock removal. For Ge lenses used in athermalized thermal imaging assemblies, decentering tolerance is often specified to 30 arc seconds or tighter \u2014 anything sloppier and the cold image shift gets visible to the user.<\/p>\n      <\/div>\n      <div class=\"process-visual\">\n        <div class=\"visual-frame\">\n          <img decoding=\"async\" src=\"https:\/\/www.endlesswiresaw.com\/wp-content\/uploads\/2026\/05\/Ge-puck-centering.webp\" alt=\"C-120L centering machine grinding the edge and chamfer of a germanium puck\" loading=\"lazy\" title=\"Endless elmas tel testere makinesi, hassas kesim i\u00e7in m\u00fckemmel bir makine aletidir\">\n        <\/div>\n        <div class=\"visual-caption\"><strong>Fig 03<\/strong> \u00b7 C-120L centering machine grinding OD and chamfer in one setup. The machine references off the puck OD and chamfer simultaneously \u2014 no operator re-fixturing between operations.<\/div>\n \n        <div class=\"video-frame\">\n          <iframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/5cTKAvIBBgQ\"\n                  title=\"VIDEO 03 \u2014 Centering machine grinding the OD and chamfer of a Ge puck in one setup\"\n                  loading=\"lazy\"\n                  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n                  allowfullscreen><\/iframe>\n        <\/div>\n        <div class=\"visual-caption\"><strong>VIDEO 03<\/strong> \u00b7 Centering machine grinding the OD and chamfer of a Ge puck in one setup<\/div>\n      <\/div>\n    <\/div>\n \n    <!-- STEP 4 -->\n    <div class=\"process-step flip\">\n      <div class=\"process-text\">\n        <div class=\"process-step-num\">\n          <span class=\"step-num-display\">04<\/span>\n          <span class=\"step-num-label\">Sister Co. \u00b7 Grinding<\/span>\n        <\/div>\n        <h3>Spherical Surface Grinding<\/h3>\n        <p>With the puck OD centered and chamfered, the next step generates the spherical (or aspheric blank) surface. Both grinder models handle convex (CX) and concave (CC) profiles as well as plano surfaces without changing the spindle setup \u2014 useful for double-sided lenses and meniscus geometries.<\/p>\n \n        <div class=\"machine-card\">\n          <div class=\"name\">Spheric Grinding Machine G-100<\/div>\n          <div class=\"range\">\u03a6 10 \u2013 100 mm  \u00b7  Small thermal imaging optics, sensor lenses<\/div>\n        <\/div>\n        <div class=\"machine-card\">\n          <div class=\"name\">Spheric Grinding Machine G-250<\/div>\n          <div class=\"range\">\u03a6 80 \u2013 250 mm  \u00b7  Large aperture lenses, beam splitters<\/div>\n        <\/div>\n \n        <p>The grinder uses bonded diamond pellet tools running against a rotating puck on a precision spindle. Typical stock removal is 0.2 to 0.5 mm per side from the as-cut surface. Because the wire-sawn pucks come in with low TTV and minimal subsurface damage, cycle time per surface drops to around 5 minutes on standard spherical generation.<\/p>\n        <p>For aspheric germanium lenses (common in compact thermal imaging modules), the grinder runs CNC-controlled trajectory profiling. Sag tolerance on the as-ground surface is typically \u00b15 \u00b5m, leaving the polisher to handle the final figure.<\/p>\n      <\/div>\n      <div class=\"process-visual\">\n        <div class=\"visual-frame\">\n          <img decoding=\"async\" src=\"https:\/\/www.endlesswiresaw.com\/wp-content\/uploads\/2026\/05\/Ge-Lens-Surface-Grinding.webp\" alt=\"G-100 spherical grinding machine generating a convex surface on a germanium lens blank\" loading=\"lazy\" title=\"Endless elmas tel testere makinesi, hassas kesim i\u00e7in m\u00fckemmel bir makine aletidir\">\n        <\/div>\n        <div class=\"visual-caption\"><strong>Fig 04<\/strong> \u00b7 G-100 generating a convex spherical surface on a Ge puck. Cycle time \u2248 5 min per surface; both CX and CC handled on the same spindle.<\/div>\n        <div class=\"video-frame\">\n          <iframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/xafGX9Pzs3k\"\n                  title=\"VIDEO 04 \u2014 Spheric grinding machine generating a convex surface on a centered Ge puck\"\n                  loading=\"lazy\"\n                  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n                  allowfullscreen><\/iframe>\n        <\/div>\n        <div class=\"visual-caption\"><strong>VIDEO 04<\/strong> \u00b7 Spheric grinding machine generating a convex surface on a centered Ge puck<\/div>\n      <\/div>\n    <\/div>\n \n    <!-- STEP 5 -->\n    <div class=\"process-step\">\n      <div class=\"process-text\">\n        <div class=\"process-step-num\">\n          <span class=\"step-num-display\">05<\/span>\n          <span class=\"step-num-label\">Sister Co. \u00b7 Polishing<\/span>\n        <\/div>\n        <h3>Polishing and AR Coating<\/h3>\n        <p>Most Ge lenses in production end up with a broadband anti-reflective coating. Bare germanium reflects about 36% per surface at IR wavelengths because of its high refractive index (n \u2248 4.0 at 10 \u00b5m). Without AR coating, a single-element Ge lens loses more than half its incident energy before light reaches the detector.<\/p>\n \n        <div class=\"machine-card\">\n          <div class=\"name\">Aspheric Polishing Machine<\/div>\n          <div class=\"range\">\u03a6 \u2264 300 mm  \u00b7  Aspheric, spherical, plano \u00b7 CX + CC on one spindle<\/div>\n        <\/div>\n \n        <p>Cycle time runs around 3 minutes per surface on standard spherical work; aspheric figures take longer depending on tolerance. Final surface roughness reaches Ra &lt; 5 nm for high-end thermal imaging.<\/p>\n        <p><strong>DLC vs BBAR coatings.<\/strong> Standard BBAR multilayers scratch easily on Ge \u2014 soft material, hard reality. DLC (diamond-like carbon) trades a small amount of transmission (maybe 2\u20133% per surface) for much better abrasion resistance. For lenses that face outward in a vehicle or handheld thermal camera, DLC is usually non-negotiable.<\/p>\n      <\/div>\n      <div class=\"process-visual\">\n        <div class=\"visual-frame\">\n          <img decoding=\"async\" src=\"https:\/\/www.endlesswiresaw.com\/wp-content\/uploads\/2026\/05\/coated-Ge-IR-lens-.webp\" alt=\"Finished germanium IR lens with DLC anti-reflective coating, ready for thermal imaging assembly\" loading=\"lazy\" title=\"Endless elmas tel testere makinesi, hassas kesim i\u00e7in m\u00fckemmel bir makine aletidir\">\n        <\/div>\n        <div class=\"visual-caption\"><strong>Fig 05<\/strong> \u00b7 Finished DLC-coated Ge IR lens \u2014 surface Ra &lt; 5 nm, AR transmission &gt; 95% across 8\u201312 \u00b5m.<\/div>\n      <\/div>\n    <\/div>\n \n  <\/div>\n<\/section>\n \n<!-- ========== CYCLE TIME ========== -->\n<section class=\"dark\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">End-to-End Cycle Time<\/div>\n      <h2>How long does <em>a Ge lens<\/em> actually take?<\/h2>\n      <p>For a typical mid-size thermal imaging lens \u2014 \u03a650 mm biconvex Ge element \u2014 the integrated line clocks roughly as follows. Slack included for material handling between stations.<\/p>\n    <\/div>\n \n    <div class=\"cycle-table-wrap\">\n      <table class=\"cycle-table\">\n        <thead>\n          <tr><th>Stage<\/th><th>Machine<\/th><th>Cycle Time<\/th><\/tr>\n        <\/thead>\n        <tbody>\n          <tr><td>Contour cut, extract \u03a650 rod from larger ingot<\/td><td class=\"machine\">SGI 40<\/td><td class=\"time-big\">~26 min<\/td><\/tr>\n          <tr><td>Slice rod into one puck (single straight cut)<\/td><td class=\"machine\">SGI 40<\/td><td class=\"time-big\">~5 min<\/td><\/tr>\n          <tr><td>Edge grind + chamfer<\/td><td class=\"machine\">C-120L<\/td><td class=\"time-big\">1\u20133 min<\/td><\/tr>\n          <tr><td>Spherical surface generation (side 1)<\/td><td class=\"machine\">G-100<\/td><td class=\"time-big\">~5 min<\/td><\/tr>\n          <tr><td>Spherical surface generation (side 2)<\/td><td class=\"machine\">G-100<\/td><td class=\"time-big\">~5 min<\/td><\/tr>\n          <tr><td>Re-chamfer (if needed)<\/td><td class=\"machine\">C-120L<\/td><td class=\"time-big\">~1 min<\/td><\/tr>\n          <tr><td>Polish (side 1)<\/td><td class=\"machine\">Aspheric Polisher<\/td><td class=\"time-big\">~3 min<\/td><\/tr>\n          <tr><td>Polish (side 2)<\/td><td class=\"machine\">Aspheric Polisher<\/td><td class=\"time-big\">~3 min<\/td><\/tr>\n          <tr><td>AR coat (DLC or BBAR)<\/td><td class=\"machine\">Coating chamber<\/td><td class=\"time-big\">batch (50+\/run)<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n \n    <div class=\"cycle-summary\">\n      <div class=\"cycle-stat\">\n        <div class=\"num\">~<em>50<\/em> min<\/div>\n        <p>Total machining time per \u03a650 mm Ge lens across all chip-removal stations, excluding coating. Coating runs as batched loads; per-lens contribution drops to minutes when the chamber is full.<\/p>\n      <\/div>\n      <div class=\"cycle-stat\">\n        <div class=\"num\"><em>2\u20133<\/em>\u00d7<\/div>\n        <p>Aspheric figures take longer than spherical by 2 to 3\u00d7, depending on departure from best-fit sphere and final figure tolerance. We size grinder and polisher capacity to your part mix during quoting.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== COMPARISON ========== -->\n<section>\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">Coring + ID Saw  vs  Endless Wire Saw<\/div>\n      <h2>The honest comparison. <em>Wire doesn't win on everything.<\/em><\/h2>\n      <p>For shops weighing whether to switch from traditional methods, the engineering tradeoffs that matter most.<\/p>\n    <\/div>\n \n    <table class=\"compare-table\">\n      <thead>\n        <tr>\n          <th>Factor<\/th>\n          <th>Coring Drill + ID Saw<\/th>\n          <th class=\"winner\">Endless Wire Saw (Vimfun)<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>Kerf loss per cut<\/td><td>5 \u2013 10 mm drill \/ 0.3 \u2013 0.5 mm ID<\/td><td class=\"winner-cell\">0.4 \u2013 0.6 mm<\/td><\/tr>\n        <tr><td>Edge chipping (exit face)<\/td><td>0.3 \u2013 0.8 mm typical<\/td><td class=\"winner-cell\">&lt; 0.1 mm typical<\/td><\/tr>\n        <tr><td>Throughput per hour<\/td><td>Higher for small parts<\/td><td>Lower for tiny parts, better on large ingots<\/td><\/tr>\n        <tr><td>Tooling cost per cut<\/td><td>Lower (resin-bonded blade)<\/td><td>Higher (diamond wire loop)<\/td><\/tr>\n        <tr><td>Max practical workpiece<\/td><td>~150 mm Ge<\/td><td class=\"winner-cell\">300 mm+ Ge (extend the loop)<\/td><\/tr>\n        <tr><td>Setup time<\/td><td>H\u0131zl\u0131<\/td><td>Moderate (wire loading)<\/td><\/tr>\n        <tr><td>Subsurface damage<\/td><td>Moderate to high<\/td><td class=\"winner-cell\">D\u00fc\u015f\u00fck<\/td><\/tr>\n        <tr><td>Material saved per 200 mm boule<\/td><td>Baseline<\/td><td class=\"winner-cell\">$200 \u2013 $600<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n \n    <div class=\"compare-honest\">\n      <span class=\"label\">Honest summary<\/span>\n      If you're cutting small Ge parts in high volume and material cost is not your dominant variable, ID saw is still competitive. If you're cutting boules over 100 mm diameter, or if Ge cost dominates your lens BOM, wire saw pays for itself fast \u2014 typically inside 12 to 18 months of multi-shift operation.\n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== CUSTOMER CASES ========== -->\n<section class=\"warm\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">Customers Running This Line<\/div>\n      <h2>Three deployments \u2014 <em>three continents<\/em>, three end markets.<\/h2>\n      <p>They span very different industries, but share the same engineering pain: Ge material is expensive, tolerance budgets are tight, and managing five separate equipment vendors creates more problems than it solves.<\/p>\n    <\/div>\n \n    <div class=\"cases-grid\">\n \n      <div class=\"case-card\">\n        <div class=\"case-flag\">China \u00b7 Mass Production<\/div>\n        <h4>Sunny Optical<\/h4>\n        <div class=\"case-stat\">30+<\/div>\n        <div class=\"case-stat-label\">Vimfun Machines in Production<\/div>\n        <p><a href=\"https:\/\/www.sunnyoptical.com\/\" target=\"_blank\" rel=\"noopener\">Sunny Optical Technology Group<\/a> is one of the largest optical component manufacturers globally \u2014 smartphone lenses, automotive ADAS, thermal imaging optics.<\/p>\n        <p>Sunny operates more than 30 Vimfun diamond wire saw machines, with a substantial fleet dedicated specifically to germanium lens production. At that volume, two metrics dominated over raw cutting speed: wire consumable cost per lens, and station-to-station handling consistency.<\/p>\n      <\/div>\n \n      <div class=\"case-card\">\n        <div class=\"case-flag\">Turkey \u00b7 Defense Optics<\/div>\n        <h4>Thermal Imaging OEM<\/h4>\n        <div class=\"case-stat\">1\u00d7<\/div>\n        <div class=\"case-stat-label\">Turnkey Production Line<\/div>\n        <p>A major Turkish thermal imaging manufacturer purchased a complete integrated Ge lens line: SGI 40 wire saws, C-185L centering, G-250 spherical grinding, and the Aspheric Polishing Machine \u2014 configured, commissioned, qualified under one technical scope.<\/p>\n        <p>The decision driver wasn't headline price. It was supply chain shortening (direct China\u2013Turkey vs. multi-vendor European sourcing) combined with material yield gain on imported Ge stock.<\/p>\n      <\/div>\n \n      <div class=\"case-card\">\n        <div class=\"case-flag\">Netherlands \u00b7 Scientific IR<\/div>\n        <h4>Precision Optics Group<\/h4>\n        <div class=\"case-stat\">EU<\/div>\n        <div class=\"case-stat-label\">Integrated Cutting + Grinding<\/div>\n        <p>A Netherlands-based optical systems company runs the integrated Vimfun + sister-company solution for industrial and scientific IR optics, supplying European instrument and sensor makers.<\/p>\n        <p>Cited reasons for the integrated chain over piecewise sourcing: lower kerf loss on imported Ge raw material, reduced fixturing handoffs between cutting and grinding, and single-vendor accountability for tolerance flow-through.<\/p>\n      <\/div>\n \n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== FAQ ========== -->\n<section>\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">Common Questions<\/div>\n      <h2>What engineers <em>actually ask<\/em> before specifying this line.<\/h2>\n    <\/div>\n \n    <div class=\"faq-list\">\n \n      <div class=\"faq-item\">\n        <div class=\"faq-q\">What's the largest Ge ingot you can handle?<\/div>\n        <div class=\"faq-a\">\n          <p>Our standard SGI 40 takes ingots up to \u03a6350 mm \u00d7 400 mm long. For larger boules we build custom frames \u2014 the wire saw scales by lengthening the loop, not by replacing the machine. Largest custom build to date: 1200 mm working envelope.<\/p>\n        <\/div>\n      <\/div>\n \n      <div class=\"faq-item\">\n        <div class=\"faq-q\">What machines are in the full Ge lens manufacturing line?<\/div>\n        <div class=\"faq-a\">\n          <p>For most production lines we configure the following:<\/p>\n          <table>\n            <thead><tr><th>Stage<\/th><th>Machine<\/th><th>Working Range<\/th><\/tr><\/thead>\n            <tbody>\n              <tr><td>Ingot contour + rod slicing<\/td><td>SGI 40<\/td><td>Ingot \u03a6 \u2264 185 \u00d7 400 mm<\/td><\/tr>\n              <tr><td>Edge grind + chamfer (small)<\/td><td>C-120L<\/td><td>\u03a6 1.8 \u2013 120 mm<\/td><\/tr>\n              <tr><td>Edge grind + chamfer (large)<\/td><td>C-185L<\/td><td>\u03a6 50 \u2013 185 mm<\/td><\/tr>\n              <tr><td>Spherical grinding (small)<\/td><td>G-100<\/td><td>\u03a6 10 \u2013 100 mm<\/td><\/tr>\n              <tr><td>Spherical grinding (large)<\/td><td>G-250<\/td><td>\u03a6 80 \u2013 250 mm<\/td><\/tr>\n              <tr><td>Parlatma<\/td><td>Aspheric Polisher<\/td><td>\u03a6 \u2264 300 mm<\/td><\/tr>\n              <tr><td>AR coating<\/td><td>DLC or BBAR chamber<\/td><td>Batch<\/td><\/tr>\n            <\/tbody>\n          <\/table>\n          <p>Small thermal imaging shops typically need just SGI 40 + C-120L + G-100 + polisher. Large defense optics shops add C-185L and G-250.<\/p>\n        <\/div>\n      <\/div>\n \n      <div class=\"faq-item\">\n        <div class=\"faq-q\">Can your line handle polycrystalline germanium as well as single crystal?<\/div>\n        <div class=\"faq-a\">\n          <p>Yes. Poly-Ge actually cuts a touch easier than single crystal because there's no preferred cleavage plane. Same parameters work.<\/p>\n        <\/div>\n      <\/div>\n \n      <div class=\"faq-item\">\n        <div class=\"faq-q\">What's the wire life on germanium?<\/div>\n        <div class=\"faq-a\">\n          <p>Roughly comparable to optical glass \u2014 7 to 10 days at 8 hours\/day, depending on tension and feed. Ge is softer than sapphire or quartz, so wire wear is moderate.<\/p>\n        <\/div>\n      <\/div>\n \n      <div class=\"faq-item\">\n        <div class=\"faq-q\">Do you supply the diamond wire too?<\/div>\n        <div class=\"faq-a\">\n          <p>Yes, all our standard <a href=\"https:\/\/www.endlesswiresaw.com\/diamond-wire-loops\/\" target=\"_blank\" rel=\"noopener\">elmas tel d\u00f6ng\u00fcleri<\/a> are made in-house. Lead time on loops is about 7 days. We use thread-coated (continuous) plating for germanium \u2014 gives the best surface finish on brittle semiconductors.<\/p>\n        <\/div>\n      <\/div>\n \n      <div class=\"faq-item\">\n        <div class=\"faq-q\">What tolerance can the integrated line hold?<\/div>\n        <div class=\"faq-a\">\n          <p>End-to-end on a finished Ge lens, our germanium lens manufacturing chain holds: diameter \u00b10.02 mm, center thickness \u00b10.025 mm, decentering 30 arc seconds, surface figure 1\u03bb at 633 nm reference. Tighter is possible on specific specs \u2014 talk to engineering. We document deliverables in <a href=\"https:\/\/www.iso.org\/standard\/79655.html\" target=\"_blank\" rel=\"noopener\">ISO 10110<\/a> format for design data exchange.<\/p>\n        <\/div>\n      <\/div>\n \n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== INDUSTRIES ========== -->\n<section class=\"warm\">\n  <div class=\"container\">\n    <div class=\"section-head\">\n      <div class=\"eyebrow\">Industries We Serve<\/div>\n      <h2>Same wire saw platform, <em>different problems<\/em> per market.<\/h2>\n      <p>The integration angle matters more in some sectors than others \u2014 for thermal imaging at consumer volume, batch coating economics dominate; for defense optics, traceability across stations matters most.<\/p>\n    <\/div>\n \n    <div class=\"industries-grid\">\n      <div class=\"industry\">\n        <div class=\"num\">01<\/div>\n        <h4>Thermal Imaging Modules<\/h4>\n        <p>Automotive ADAS, building inspection, electrical thermography. Volume-driven, coating cost critical.<\/p>\n      <\/div>\n      <div class=\"industry\">\n        <div class=\"num\">02<\/div>\n        <h4>Defense & Security Optics<\/h4>\n        <p>Uncooled microbolometer modules, weapon sights, surveillance. Traceability and DLC durability matter.<\/p>\n      <\/div>\n      <div class=\"industry\">\n        <div class=\"num\">03<\/div>\n        <h4>Industrial Sensors<\/h4>\n        <p>Gas analyzers (Ge windows for FTIR), process monitoring. Lower volumes, higher tolerance asks.<\/p>\n      <\/div>\n      <div class=\"industry\">\n        <div class=\"num\">04<\/div>\n        <h4>Medical IR Diagnostics<\/h4>\n        <p>Handheld thermal imagers for vascular and inflammatory imaging. Mid-volume, ergonomic format.<\/p>\n      <\/div>\n      <div class=\"industry\">\n        <div class=\"num\">05<\/div>\n        <h4>Research Labs<\/h4>\n        <p>IR spectroscopy, custom optical assemblies. Single-piece accuracy over throughput.<\/p>\n      <\/div>\n      <div class=\"industry\">\n        <div class=\"num\">06<\/div>\n        <h4>Custom \/ Other<\/h4>\n        <p>Beam splitters, beam expanders, custom-format windows. Send drawings, we'll quote.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n \n<!-- ========== FINAL CTA ========== -->\n<section class=\"cta-final\" id=\"cta\">\n  <div class=\"container\">\n    <div class=\"eyebrow\" style=\"display: inline-block;\">Next Step<\/div>\n    <h2>Send a drawing. <em>We send back numbers.<\/em><\/h2>\n    <p>If you're sizing up a germanium lens manufacturing line \u2014 new build, retrofit, or capacity expansion \u2014 these are the questions we'll work through together:<\/p>\n \n    <ul class=\"cta-checklist\">\n      <li>Boule diameter and length range \u2014 drives wire saw frame size<\/li>\n      <li>Finished lens diameter, thickness, curvature spec \u2014 drives grinder &amp; centering machine selection<\/li>\n      <li>Surface roughness and coating requirements \u2014 drives polishing and coating capacity<\/li>\n      <li>Volume per month \u2014 drives whether you need one cell or parallel lines<\/li>\n    <\/ul>\n \n    <div class=\"hero-cta-row\" style=\"justify-content: center;\">\n      <a href=\"mailto:levy@endlesswiresaw.com\" class=\"btn btn-primary\">Email levy@endlesswiresaw.com<\/a>\n      <a href=\"https:\/\/www.endlesswiresaw.com\/germanium-slicing-equipment\/\" class=\"btn btn-ghost\" target=\"_blank\" rel=\"noopener\">See Ge Slicing Equipment \u2192<\/a>\n    <\/div>\n  <\/div>\n<\/section>\n \n<\/div><!-- \/.vf-ge -->\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Application Solution \u00b7 IR Optics Germanium Lens Manufacturing \u2014 One-Stop from Cutting to Coating Optical-grade Ge runs $1,800\u2013$2,400 per kilogram. When one boule is worth more than the saw cutting it, kerf width stops being an engineering detail and becomes the BOM line that decides profitability. We deliver the full chain \u2014 wire saw, centering, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-8351","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/pages\/8351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/comments?post=8351"}],"version-history":[{"count":10,"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/pages\/8351\/revisions"}],"predecessor-version":[{"id":8399,"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/pages\/8351\/revisions\/8399"}],"wp:attachment":[{"href":"https:\/\/www.endlesswiresaw.com\/tr\/wp-json\/wp\/v2\/media?parent=8351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}