{"id":2257,"date":"2026-06-03T13:44:41","date_gmt":"2026-06-03T05:44:41","guid":{"rendered":"https:\/\/jeez-semicon.com\/?p=2257"},"modified":"2026-06-03T13:44:41","modified_gmt":"2026-06-03T05:44:41","slug":"how-to-qualify-a-new-cmp-slurry-supplier","status":"publish","type":"post","link":"https:\/\/jeez-semicon.com\/fr\/blog\/how-to-qualify-a-new-cmp-slurry-supplier\/","title":{"rendered":"How to Qualify a New CMP Slurry Supplier"},"content":{"rendered":"<!-- ===== JEEZ \u00b7 How to Qualify a New CMP Slurry Supplier \u2014 paste into Gutenberg \"Custom HTML\" block ===== -->\n\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Sora:wght@500;600;700;800&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@500;600&display=swap');\n.jz-c4-wrap{\n  --ink:#0a1f33; --navy:#0d2a44; --navy2:#123a5c;\n  --acc:#c8841f; --accd:#a66a14; --accl:#fbf2e2;\n  --text:#1c2b3a; --muted:#5a6b7b; --line:#e1e8ef; --bg:#f6f9fb; --card:#fff;\n  --r:16px; --sh:0 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120%,color-mix(in srgb,var(--acc) 55%, transparent),transparent 60%),linear-gradient(120deg,#071a2c,#0d2a44 60%,#123a5c);}\n.jz-c4-wrap .ps-cta:before{content:\"\";position:absolute;inset:0;opacity:.4;background-image:linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:36px 100%;}\n.jz-c4-wrap .ps-cta>*{position:relative;z-index:1;}\n.jz-c4-wrap .ps-cta h2{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(21px,2.9vw,28px);color:#fff;margin:0 0 10px;letter-spacing:-.01em;border:none;padding:0;}\n.jz-c4-wrap .ps-cta p{color:#cfe2ec;max-width:62ch;margin-bottom:22px;}\n.jz-c4-wrap .ps-btn{display:inline-flex;align-items:center;gap:10px;background:var(--acc);color:#04222e;font-family:'Sora',sans-serif;font-weight:700;font-size:16px;padding:14px 28px;border-radius:50px;border:none;transition:.2s;box-shadow:0 8px 24px color-mix(in srgb,var(--acc) 45%, transparent);}\n.jz-c4-wrap .ps-btn:hover{filter:brightness(1.1);color:#04222e;transform:translateY(-2px);border:none;}\n.jz-c4-wrap .ps-btn span{font-family:'IBM Plex Mono',monospace;}\n.jz-c4-wrap .ps-signoff{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:38px;font-style:italic;}\n@media(max-width:760px){\n  .jz-c4-wrap{font-size:16px;}\n  .jz-c4-wrap .ps-hero{padding:40px 24px 36px;}\n  .jz-c4-wrap .ps-toc{padding:22px 20px;}\n  .jz-c4-wrap .ps-toc ol{grid-template-columns:1fr;gap:0;}\n  .jz-c4-wrap .ps-cards{grid-template-columns:1fr;}\n  .jz-c4-wrap .ps-cta{padding:34px 24px;}\n}\n<\/style>\n\n<div class=\"jz-c4-wrap\">\n  <header class=\"ps-hero\">\n    <div class=\"ps-eyebrow\">JEEZ \u00b7 Sourcing &amp; Procurement<\/div>\n    \n    <p class=\"ps-lead\">Bringing a new slurry vendor online protects a production line only if it is done rigorously. This guide is a step-by-step checklist for qualifying a new CMP slurry supplier \u2014 from pre-screening and paperwork to head-to-head benchmarking, marathon testing and a controlled production ramp.<\/p>\n    <div class=\"ps-meta\"><span>By <b>JEEZ \u2014 Jizhi Electronic Technology Co., Ltd.<\/b><\/span><span>Updated <b>June 2026<\/b><\/span><\/div>\n  <\/header>\n\n  <nav class=\"ps-toc\" aria-label=\"Table of contents\">\n    <h2>Table des mati\u00e8res<\/h2>\n    <ol><li><a href=\"#jz-c4-why\">Why Qualification Cannot Be Rushed<\/a><\/li><li><a href=\"#jz-c4-prescreen\">Pre-Qualification Screening<\/a><\/li><li><a href=\"#jz-c4-checklist\">The Qualification Checklist<\/a><\/li><li><a href=\"#jz-c4-metrics\">Metrics That Decide Qualification<\/a><\/li><li><a href=\"#jz-c4-marathon\">Marathon and Statistical Testing<\/a><\/li><li><a href=\"#jz-c4-audit\">Supply-Chain Audit and Documentation<\/a><\/li><li><a href=\"#jz-c4-decide\">Making the Decision and Resourcing It<\/a><\/li><\/ol>\n  <\/nav>\n\n  <section class=\"ps-sec\" id=\"jz-c4-why\"><h2>Why Qualification Cannot Be Rushed<\/h2><p>A slurry sits at the heart of a process that determines yield, so a new supplier must be proven to match the incumbent on every dimension that matters \u2014 not just on a datasheet. Qualification is the bridge between a <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Alternative-and-Multi-Source-CMP-Slurry-Supplier-Strategy\/\" target=\"_blank\" rel=\"noopener\">multi-source strategy<\/a> and production reality, and it is the single best defence against importing a hidden defect or reliability problem. Ground the effort in the technical fundamentals from the <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/What-Is-Polishing-Slurry\/\" target=\"_blank\" rel=\"noopener\">pillar guide<\/a> et <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/How-to-Select-a-CMP-Slurry-by-Material-and-Process\/\" target=\"_blank\" rel=\"noopener\">selection framework<\/a>.<\/p><\/section><section class=\"ps-sec\" id=\"jz-c4-prescreen\"><h2>Pre-Qualification Screening<\/h2><p>Before committing test-wafer time, screen candidates on paper. Confirm the supplier&#8217;s quality certifications, capacity and geographic footprint, financial and operational stability, applications-engineering capability, and willingness to share specifications and certificates of analysis. A candidate that cannot pass this low-cost screen does not warrant the expensive wafer-level work that follows.<\/p><\/section><section class=\"ps-sec\" id=\"jz-c4-checklist\"><h2>The Qualification Checklist<\/h2><ol style=\"margin:0 0 1.2em;padding-left:1.2em;\"><li style=\"margin-bottom:.6em;\"><b>Documentation and quality systems.<\/b> Review specifications, certificates of analysis, process control and traceability before any wafer is polished.<\/li><li style=\"margin-bottom:.6em;\"><b>Incoming material characterisation.<\/b> Verify particle-size distribution \u2014 including the large-particle tail \u2014 pH, conductivity, solids content and chemistry against spec.<\/li><li style=\"margin-bottom:.6em;\"><b>Baseline trials.<\/b> Polish on your own tool, pad and clean to measure removal rate, uniformity, selectivity and defectivity.<\/li><li style=\"margin-bottom:.6em;\"><b>Head-to-head benchmarking.<\/b> Compare directly against the incumbent under identical conditions.<\/li><li style=\"margin-bottom:.6em;\"><b>Marathon and lot-to-lot testing.<\/b> Run extended trials and multiple production lots to expose drift and variation.<\/li><li style=\"margin-bottom:.6em;\"><b>Supply-chain audit.<\/b> Assess capacity, lead time, geographic risk and contingency.<\/li><li><b>Controlled ramp.<\/b> Introduce on non-critical volume first, monitor closely, then scale.<\/li><\/ol><\/section><section class=\"ps-sec\" id=\"jz-c4-metrics\"><h2>Metrics That Decide Qualification<\/h2><div class=\"ps-tablewrap\"><table class=\"ps-table\"><thead><tr><th>M\u00e9trique<\/th><th>Why it matters<\/th><\/tr><\/thead><tbody><tr><td><b>Removal rate &amp; uniformity<\/b><\/td><td>Throughput and within-wafer control<\/td><\/tr><tr><td><b>S\u00e9lectivit\u00e9<\/b><\/td><td>Clean stop on the target layer<\/td><\/tr><tr><td><b>D\u00e9fectivit\u00e9<\/b><\/td><td>Scratches, residue and yield<\/td><\/tr><tr><td><b>Large-particle count<\/b><\/td><td>Direct predictor of scratch defects<\/td><\/tr><tr><td><b>Lot-to-lot variation<\/b><\/td><td>Production reliability<\/td><\/tr><tr><td><b>Stability over time<\/b><\/td><td>Behaviour through storage and the loop<\/td><\/tr><\/tbody><\/table><\/div><\/section><section class=\"ps-sec\" id=\"jz-c4-marathon\"><h2>Marathon and Statistical Testing<\/h2><p>A single good run proves little. Marathon testing \u2014 polishing many wafers continuously \u2014 reveals rate decay, defect excursions and consumable interactions that short trials miss, while testing several production lots over time exposes lot-to-lot variation. Treat the data statistically: look at distributions and trends, not single points. This is also where <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/CMP-Slurry-Stability-and-Particle-Agglomeration\/\" target=\"_blank\" rel=\"noopener\">stability and agglomeration behaviour<\/a> is stressed under realistic storage and handling.<\/p><div class=\"ps-callout\"><span class=\"tag\">Golden-sample trap<\/span><p>Qualifying on one carefully prepared lot is a classic mistake. Always evaluate several production lots over time \u2014 lot-to-lot consistency is the property you most need to verify.<\/p><\/div><\/section><section class=\"ps-sec\" id=\"jz-c4-audit\"><h2>Supply-Chain Audit and Documentation<\/h2><p>Technical performance is necessary but not sufficient. Audit the supplier&#8217;s manufacturing controls, raw-material sourcing, capacity and contingency plans, and confirm change-control discipline so a future process change on their side cannot silently alter your slurry. Strong documentation and traceability are what let you investigate quickly if an excursion ever occurs.<\/p><\/section><section class=\"ps-sec\" id=\"jz-c4-decide\"><h2>Making the Decision and Resourcing It<\/h2><p>Qualify a supplier when it matches or beats the incumbent on the metrics above, demonstrates lot-to-lot consistency and stability, and presents acceptable supply risk. Plan for the effort: a thorough slurry qualification takes meaningful test-wafer time and engineering attention over weeks to months. Fold that cost and the resilience benefit into the <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/CMP-Slurry-Cost-of-Ownership\/\" target=\"_blank\" rel=\"noopener\">cost-of-ownership view<\/a>, and use the <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Top-CMP-Slurry-Manufacturers-and-Suppliers-Guide\/\" target=\"_blank\" rel=\"noopener\">supplier landscape guide<\/a> to keep your shortlist current.<\/p><\/section>\n\n  <section class=\"ps-related\">\n    <h2>Continue Learning<\/h2>\n    <p class=\"sub\">Explore the rest of the JEEZ polishing slurry knowledge series.<\/p>\n    <div class=\"ps-cards\"><a class=\"ps-card pillar\" href=\"https:\/\/jeez-semicon.com\/fr\/blog\/What-Is-Polishing-Slurry\/\" target=\"_blank\" rel=\"noopener\"><span class=\"k\">Start here \u00b7 Pillar guide<\/span><span class=\"t\">What Is Polishing Slurry? The Complete Guide<\/span><\/a><a class=\"ps-card\" href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Alternative-and-Multi-Source-CMP-Slurry-Supplier-Strategy\/\" target=\"_blank\" rel=\"noopener\"><span class=\"k\">Related guide<\/span><span class=\"t\">Alternative and Multi-Source CMP Slurry Supplier Strategy<\/span><\/a><a class=\"ps-card\" href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Top-CMP-Slurry-Manufacturers-and-Suppliers-Guide\/\" target=\"_blank\" rel=\"noopener\"><span class=\"k\">Related guide<\/span><span class=\"t\">Top CMP Slurry Manufacturers and Suppliers Guide<\/span><\/a><a class=\"ps-card\" href=\"https:\/\/jeez-semicon.com\/fr\/blog\/CMP-Slurry-Stability-and-Particle-Agglomeration\/\" target=\"_blank\" rel=\"noopener\"><span class=\"k\">Related guide<\/span><span class=\"t\">CMP Slurry Stability and Particle Agglomeration<\/span><\/a><a class=\"ps-card\" href=\"https:\/\/jeez-semicon.com\/fr\/blog\/CMP-Slurry-Cost-of-Ownership\/\" target=\"_blank\" rel=\"noopener\"><span class=\"k\">Related guide<\/span><span class=\"t\">CMP Slurry Cost of Ownership<\/span><\/a><\/div>\n  <\/section>\n\n  <section class=\"ps-sec ps-faq\" id=\"jz-c4-faq\"><h2>Questions fr\u00e9quemment pos\u00e9es<\/h2><details open=\"\"><summary>How do I qualify a new CMP slurry supplier?<\/summary><div class=\"ans\">Pre-screen on paper, review documentation and quality systems, characterise incoming material, run baseline trials on your own tool, benchmark head-to-head against the incumbent, run marathon and multi-lot testing, audit the supply chain, then ramp on controlled volume before scaling.<\/div><\/details><details><summary>What metrics decide slurry qualification?<\/summary><div class=\"ans\">Removal rate and uniformity, selectivity, defectivity, large-particle count, lot-to-lot variation and stability over time are the core metrics. The candidate must match or beat the incumbent on these under your own process conditions.<\/div><\/details><details><summary>What is marathon testing in slurry qualification?<\/summary><div class=\"ans\">Marathon testing polishes many wafers continuously to expose rate decay, defect excursions and consumable interactions that short trials miss. Combined with multi-lot testing, it verifies that performance holds up under realistic production conditions.<\/div><\/details><details><summary>Why test multiple lots during qualification?<\/summary><div class=\"ans\">Because production reliability depends on lot-to-lot consistency. Qualifying on a single golden sample hides variation that can appear later, so several production lots should be evaluated over time and analysed statistically.<\/div><\/details><details><summary>How long does slurry qualification take?<\/summary><div class=\"ans\">A thorough qualification typically takes weeks to months, since it requires pre-screening, incoming characterisation, baseline and head-to-head trials, marathon and multi-lot testing, a supply audit and a controlled ramp. The effort should be planned and resourced accordingly.<\/div><\/details><\/section>\n\n  <section class=\"ps-cta\">\n    <h2>Talk to the JEEZ slurry engineering team<\/h2>\n    <p>From first slurry selection to defectivity optimisation and multi-source qualification, JEEZ \u2014 Jizhi Electronic Technology Co., Ltd. \u2014 helps you match the right polishing slurry to your material and process targets.<\/p>\n    <a class=\"ps-btn\" href=\"https:\/\/jeez-semicon.com\/fr\/contact\/\" target=\"_blank\" rel=\"noopener\">Contact JEEZ <span>\u2192<\/span><\/a>\n  <\/section>\n\n  <p class=\"ps-signoff\">Part of the JEEZ Polishing Slurry knowledge series. Reviewed and updated June 2026 by Jizhi Electronic Technology Co., Ltd.<\/p>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\",\"@type\":\"Article\",\n  \"headline\":\"How to Qualify a New CMP Slurry Supplier\",\n  \"description\":\"A step-by-step checklist to qualify a new CMP slurry supplier: pre-qualification screening, documentation and quality audit, sampling, head-to-head benchmarking, marathon and lot-to-lot testing, supply audit and ramp.\",\n  \"author\":{\"@type\":\"Organization\",\"name\":\"JEEZ \\u2014 Jizhi Electronic Technology Co., Ltd.\",\"url\":\"https:\/\/jeez-semicon.com\/\"},\n  \"publisher\":{\"@type\":\"Organization\",\"name\":\"Jizhi Electronic Technology Co., Ltd.\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/jeez-semicon.com\/wp-content\/uploads\/jeez-logo.png\"}},\n  \"datePublished\":\"2026-06-01\",\"dateModified\":\"2026-06-01\",\n  \"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jeez-semicon.com\/blog\/How-to-Qualify-a-New-CMP-Slurry-Supplier\"}\n}\n<\/script>\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n    {\"@type\":\"Question\",\"name\":\"How do I qualify a new CMP slurry supplier?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pre-screen on paper, review documentation and quality systems, characterise incoming material, run baseline trials on your own tool, benchmark head-to-head against the incumbent, run marathon and multi-lot testing, audit the supply chain, then ramp on controlled volume before scaling.\"}},\n    {\"@type\":\"Question\",\"name\":\"What metrics decide slurry qualification?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Removal rate and uniformity, selectivity, defectivity, large-particle count, lot-to-lot variation and stability over time are the core metrics. The candidate must match or beat the incumbent on these under your own process conditions.\"}},\n    {\"@type\":\"Question\",\"name\":\"What is marathon testing in slurry qualification?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Marathon testing polishes many wafers continuously to expose rate decay, defect excursions and consumable interactions that short trials miss. Combined with multi-lot testing, it verifies that performance holds up under realistic production conditions.\"}},\n    {\"@type\":\"Question\",\"name\":\"Why test multiple lots during qualification?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because production reliability depends on lot-to-lot consistency. Qualifying on a single golden sample hides variation that can appear later, so several production lots should be evaluated over time and analysed statistically.\"}},\n    {\"@type\":\"Question\",\"name\":\"How long does slurry qualification take?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A thorough qualification typically takes weeks to months, since it requires pre-screening, incoming characterisation, baseline and head-to-head trials, marathon and multi-lot testing, a supply audit and a controlled ramp. The effort should be planned and resourced accordingly.\"}}\n  ]\n}\n<\/script>","protected":false},"excerpt":{"rendered":"<p>JEEZ \u00b7 Sourcing &amp; Procurement Bringing a new slurry vendor online protects a production line only if it is done rigorously. This guide is a step-by-step checklist for qualifying a  &#8230;<\/p>","protected":false},"author":1,"featured_media":2259,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,59],"tags":[],"class_list":["post-2257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry"],"acf":[],"_links":{"self":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/2257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/comments?post=2257"}],"version-history":[{"count":2,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/2257\/revisions"}],"predecessor-version":[{"id":2260,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/2257\/revisions\/2260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/media\/2259"}],"wp:attachment":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/media?parent=2257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/categories?post=2257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/tags?post=2257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}