{"id":2020,"date":"2026-05-07T14:35:40","date_gmt":"2026-05-07T06:35:40","guid":{"rendered":"https:\/\/jeez-semicon.com\/?p=2020"},"modified":"2026-05-07T14:38:31","modified_gmt":"2026-05-07T06:38:31","slug":"dicing-blade-for-silicon-gaas-sic-sapphire","status":"publish","type":"post","link":"https:\/\/jeez-semicon.com\/fr\/blog\/dicing-blade-for-silicon-gaas-sic-sapphire\/","title":{"rendered":"Dicing Blade for Silicon, GaAs, SiC, and Sapphire: Material-Specific Specifications"},"content":{"rendered":"<!-- ============================================================\r\n     Cluster 3: Dicing Blade for Silicon \/ GaAs \/ SiC \/ Sapphire\r\n     JEEZ Semiconductor | Jizhi Electronic Technology Co., Ltd.\r\n     May 2026\r\n     ============================================================ -->\r\n<p><style>\r\n*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}\r\n:root{--navy:#0a1628;--blue:#1a3a6b;--accent:#0071e3;--sky:#e8f2ff;--gold:#d4820a;--gold-lt:#fff8ec;--text:#1c2a3a;--muted:#5a6b7c;--border:#d6e0eb;--radius:8px;--shadow:0 4px 24px rgba(10,22,40,.10)}\r\n.jzc{font-family:'Georgia','Times New Roman',serif;font-size:17px;line-height:1.85;color:var(--text);max-width:900px;margin:0 auto;padding:0 16px 60px}\r\n.jzc-hero{background:linear-gradient(135deg,#0a1628 0%,#1a3a6b 55%,#0071e3 100%);border-radius:14px;padding:52px 48px 44px;margin-bottom:40px;position:relative;overflow:hidden}\r\n.jzc-hero::before{content:'';position:absolute;top:-50px;right:-50px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.05)}\r\n.jzc-hero-tag{display:inline-block;background:rgba(255,255,255,.15);color:#b8d4ff;font-family:'Trebuchet MS',sans-serif;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:4px 14px;border-radius:99px;margin-bottom:16px}\r\n.jzc-hero h1{font-family:'Trebuchet MS',Arial,sans-serif;font-size:clamp(24px,3.8vw,36px);font-weight:700;color:#fff;line-height:1.25;margin-bottom:16px}\r\n.jzc-hero p{font-size:16px;color:#b8d4ff;max-width:620px;line-height:1.7;font-family:'Trebuchet MS',sans-serif}\r\n.jzc-hero-meta{display:flex;gap:20px;margin-top:24px;flex-wrap:wrap}\r\n.jzc-hero-meta span{font-family:'Trebuchet MS',sans-serif;font-size:13px;color:rgba(184,212,255,.8)}\r\n.jzc-hero-meta span::before{content:'\u25cf ';font-size:8px;color:#4da3ff}\r\n.jzc-toc{background:var(--sky);border:1px solid #c5d9f0;border-left:4px solid var(--accent);border-radius:var(--radius);padding:22px 26px;margin-bottom:40px}\r\n.jzc-toc-title{font-family:'Trebuchet MS',sans-serif;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}\r\n.jzc-toc ol{padding-left:20px}\r\n.jzc-toc 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MS',sans-serif;color:var(--blue);line-height:1.65}\r\n.jzc-note-icon{font-size:20px;flex-shrink:0;margin-top:2px}\r\n.jzc-warn{background:var(--gold-lt);border-left-color:var(--gold);color:#6b4000}\r\n.jzc-mat-header{display:flex;align-items:center;gap:14px;margin:44px 0 14px}\r\n.jzc-mat-badge{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;font-family:'Trebuchet MS',sans-serif;font-weight:700;font-size:13px;color:#fff;flex-shrink:0}\r\n.jzc-mat-badge-si{background:#0071e3}\r\n.jzc-mat-badge-ga{background:#d4820a}\r\n.jzc-mat-badge-sc{background:#1a3a6b}\r\n.jzc-mat-badge-sa{background:#22a85a}\r\n.jzc-mat-badge-other{background:#7c3aed}\r\n.jzc-mat-header h2{margin:0;padding:0;border:none}\r\n.jzc-back{background:var(--sky);border:1px solid #c5d9f0;border-radius:var(--radius);padding:18px 22px;margin-top:48px;font-family:'Trebuchet MS',sans-serif;font-size:14px;color:var(--muted)}\r\n.jzc-back a{color:var(--accent);font-weight:600}\r\n.jzc-divider{border:none;border-top:1px solid var(--border);margin:44px 0}\r\n@media(max-width:600px){.jzc-hero{padding:34px 20px 28px}}\r\n<\/style><\/p>\r\n<article class=\"jzc\">\r\n<div class=\"jzc-hero\">\r\n<div class=\"jzc-hero-tag\">Material Compatibility Guide \u00b7 May 2026<\/div>\r\n<p>Per-material blade specifications, process parameter ranges, die quality benchmarks, and application notes for nine semiconductor and electronic substrate materials \u2014 the essential reference for process engineers qualifying new dicing applications.<\/p>\r\n<div class=\"jzc-hero-meta\">JEEZ Semiconductor \u00b7 Jizhi Electronic Technology Co., Ltd.~2,600 words \u00b7 12 min readMay 2026<\/div>\r\n<\/div>\r\n<nav class=\"jzc-toc\" aria-label=\"Table des mati\u00e8res\">\r\n<div class=\"jzc-toc-title\">\ud83d\udccb Table des mati\u00e8res<\/div>\r\n<ol>\r\n<li><a href=\"#why-material\">Why Material Determines Blade Specification<\/a><\/li>\r\n<li><a href=\"#silicon\">Silicon Wafer Dicing Blades<\/a><\/li>\r\n<li><a href=\"#gaas\">GaAs Dicing Blades<\/a><\/li>\r\n<li><a href=\"#sic\">SiC Dicing Blades<\/a><\/li>\r\n<li><a href=\"#sapphire\">Sapphire Dicing Blades<\/a><\/li>\r\n<li><a href=\"#inp\">InP Dicing Blades<\/a><\/li>\r\n<li><a href=\"#glass\">Glass Substrate Dicing Blades<\/a><\/li>\r\n<li><a href=\"#ceramic\">Ceramic Substrate Dicing Blades<\/a><\/li>\r\n<li><a href=\"#litao3\">LiTaO\u2083 and LiNbO\u2083 Dicing Blades<\/a><\/li>\r\n<li><a href=\"#master-table\">Master Specification Reference Table<\/a><\/li>\r\n<li><a href=\"#faq\">FAQ<\/a><\/li>\r\n<\/ol>\r\n<\/nav>\r\n<h2 id=\"why-material\">1. Why Material Determines Blade Specification<\/h2>\r\n<p>No single dicing blade specification performs optimally across all semiconductor substrate materials. The two substrate properties that most directly govern blade selection are <strong>hardness<\/strong> \u2014 which determines how rapidly the blade bond erodes and how aggressively the blade must cut \u2014 and <strong>brittleness<\/strong> (or fracture toughness), which determines how much cutting force the substrate can tolerate before chipping, cracking, or developing subsurface damage.<\/p>\r\n<p>A blade well-suited to silicon will typically be too hard for SiC (resulting in glazing) and too soft for GaAs (resulting in excessive wear and variable kerf). Understanding the material properties of your substrate is therefore the first step in any blade selection exercise. This guide provides per-material specifications derived from established industry practice. For the full selection methodology, refer to: <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Wafer-Dicing-Blade-Complete-Buyers-Guide\/\" target=\"_blank\" rel=\"noopener noreferrer\">Wafer Dicing Blade: The Complete Buyer&#8217;s Guide<\/a>.<\/p>\r\n<div class=\"jzc-table-wrap\">\r\n<table class=\"jzc-table\" aria-label=\"Substrate hardness and brittleness overview\">\r\n<thead>\r\n<tr>\r\n<th>Substrate<\/th>\r\n<th>Duret\u00e9 Mohs<\/th>\r\n<th>Fracture Toughness (MPa\u00b7m\u00bd)<\/th>\r\n<th>Dicing Challenge<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Silicium (Si)<\/td>\r\n<td>7<\/td>\r\n<td>0.7\u20131.0<\/td>\r\n<td>Moderate \u2014 well-documented process<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Gallium arsenide (GaAs)<\/td>\r\n<td>4.5\u20135<\/td>\r\n<td>0.3\u20130.5<\/td>\r\n<td>Very brittle; toxicity concern<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Silicon carbide (SiC)<\/td>\r\n<td>9\u20139.5<\/td>\r\n<td>2.8\u20133.5<\/td>\r\n<td>Extreme hardness; rapid blade wear<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Sapphire (Al\u2082O\u2083)<\/td>\r\n<td>9<\/td>\r\n<td>1.5\u20132.5<\/td>\r\n<td>Hard and tough; abrasive<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Indium phosphide (InP)<\/td>\r\n<td>4\u20134.5<\/td>\r\n<td>0.3\u20130.4<\/td>\r\n<td>Softest III-V; extremely fragile<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Glass (borosilicate)<\/td>\r\n<td>6-7<\/td>\r\n<td>0.7\u20130.8<\/td>\r\n<td>Amorphous; prone to lateral cracking<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>AlN ceramic<\/td>\r\n<td>8\u20139<\/td>\r\n<td>2.5\u20133.5<\/td>\r\n<td>Hard; metallisation delamination risk<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>LiTaO\u2083<\/td>\r\n<td>5.5\u20136<\/td>\r\n<td>0.6\u20130.9<\/td>\r\n<td>Brittle piezoelectric; surface sensitivity<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<!-- SILICON -->\r\n<div class=\"jzc-mat-header\">\r\n<div class=\"jzc-mat-badge jzc-mat-badge-si\">Si<\/div>\r\n<h2 id=\"silicon\" style=\"border: none; margin: 0; padding: 0;\">2. Silicon Wafer Dicing Blades<\/h2>\r\n<\/div>\r\n<p>Silicon is the most thoroughly characterised substrate for blade dicing, and the process knowledge base accumulated over decades of silicon wafer manufacturing makes it the reference application against which all other substrates are compared. Silicon&#8217;s moderate hardness (Mohs 7) and relatively low fracture toughness make it amenable to a wide range of blade specifications, giving process engineers significant latitude in optimising for cost, throughput, or cut quality depending on production priorities.<\/p>\r\n<h3>Standard-Thickness Silicon (300\u2013775 \u00b5m)<\/h3>\r\n<p>For production silicon wafer dicing at 200 mm and 300 mm wafer sizes, the industry standard approach uses a nickel-bond or hybrid-bond hubless blade with a grit size of 4\u20136 \u00b5m. Feed rates of 40\u201375 mm\/s at spindle speeds of 30,000\u201345,000 RPM are typical. At these parameters, front-side chipping (FSC) of 5\u201315 \u00b5m is routinely achieved, and back-side chipping (BSC) can be controlled to 10\u201325 \u00b5m with appropriate dicing tape selection.<\/p>\r\n<p>Blade life in optimised silicon production typically reaches 800\u20132,000 complete 300 mm wafers per blade, depending on die street density and process parameter discipline. Regular dressing at defined intervals \u2014 typically every 300\u2013600 linear metres of cut \u2014 maintains consistent kerf width and die edge quality across the blade&#8217;s usable life.<\/p>\r\n<h3>Ultra-Thin Silicon (&lt;150 \u00b5m)<\/h3>\r\n<p>Ultra-thin silicon dicing is among the most demanding blade dicing applications due to the wafer&#8217;s susceptibility to flexing-induced fracture. The critical requirements are: finer grit (2\u20134 \u00b5m) to reduce cutting forces; lower feed rates (10\u201325 mm\/s) to limit peak force per impact; UV-release dicing tape with sufficient adhesion and uniformity to prevent wafer movement during cutting; and a flat, clean vacuum chuck to prevent localised stress concentration. Hubless blades are standard for ultra-thin silicon because their thinner profiles and lower mass reduce the dynamic cutting forces that can initiate fracture in the substrate.<\/p>\r\n<div class=\"jzc-note\">\r\n<div class=\"jzc-note-icon\">\ud83d\udca1<\/div>\r\n<div><strong>300 mm Wafer Note:<\/strong> At 300 mm wafer diameter, the die layout geometry typically produces thousands of individual cuts per wafer. Even a 1% improvement in blade life \u2014 achieved through optimised dressing interval or reduced feed rate \u2014 can translate to meaningful cost savings in high-volume production when compounded across millions of wafers per year.<\/div>\r\n<\/div>\r\n<!-- GaAs -->\r\n<div class=\"jzc-mat-header\" style=\"margin-top: 48px;\">\r\n<div class=\"jzc-mat-badge jzc-mat-badge-ga\">GaAs<\/div>\r\n<h2 id=\"gaas\" style=\"border: none; margin: 0; padding: 0;\">3. GaAs Dicing Blades<\/h2>\r\n<\/div>\r\n<p>Gallium arsenide presents two distinct challenges for blade dicing engineers: extreme brittleness and chemical hazard. With a fracture toughness roughly one-third that of silicon (0.3\u20130.5 MPa\u00b7m\u00bd), GaAs shatters under cutting forces that silicon would tolerate without difficulty. At the same time, GaAs wafers are used in RF and power amplifier devices where die edge quality directly affects device performance and reliability \u2014 so die sidewall quality requirements are stringent.<\/p>\r\n<h3>Recommended Blade Specification<\/h3>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> Nickel (electroformed) preferred; metal bond as alternative for thicker blades<\/li>\r\n<li><strong>Grit size:<\/strong> 2\u20134 \u00b5m<\/li>\r\n<li><strong>Blade thickness:<\/strong> Determined by street width; typically 50\u2013150 \u00b5m<\/li>\r\n<li><strong>Feed rate:<\/strong> 15\u201335 mm\/s \u2014 conservative to limit cutting force spikes<\/li>\r\n<li><strong>Spindle speed:<\/strong> 25,000\u201340,000 RPM<\/li>\r\n<li><strong>Coolant:<\/strong> High-flow DI water; surfactant addition recommended to improve swarf flushing<\/li>\r\n<\/ul>\r\n<div class=\"jzc-note jzc-warn\">\r\n<div class=\"jzc-note-icon\">\u26a0\ufe0f<\/div>\r\n<div><strong>GaAs Safety:<\/strong> Gallium arsenide is classified as a potential carcinogen in particulate form. Coolant flow must be maintained continuously during all cutting operations on GaAs. All swarf-containing coolant must be treated as chemical waste and disposed of per applicable regulations. Never allow GaAs dicing swarf to dry in coolant sumps.<\/div>\r\n<\/div>\r\n<!-- SiC -->\r\n<div class=\"jzc-mat-header\" style=\"margin-top: 48px;\">\r\n<div class=\"jzc-mat-badge jzc-mat-badge-sc\">SiC<\/div>\r\n<h2 id=\"sic\" style=\"border: none; margin: 0; padding: 0;\">4. SiC Dicing Blades<\/h2>\r\n<\/div>\r\n<p>Silicon carbide is the most demanding substrate for blade dicing technology by virtue of its combination of extreme hardness (Mohs 9\u20139.5) and adequate fracture toughness (2.8\u20133.5 MPa\u00b7m\u00bd) that prevents easy cleavage. Where hard-brittle materials like sapphire can be scribed and cleaved efficiently, SiC requires full-depth grinding through the substrate thickness \u2014 generating very high cutting forces and consuming blade material at rates several times those typical for silicon.<\/p>\r\n<h3>Recommended Blade Specification<\/h3>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> Resin (soft bond essential for self-sharpening on hard substrate)<\/li>\r\n<li><strong>Grit size:<\/strong> 6\u201310 \u00b5m (coarser than silicon to maintain cutting rate)<\/li>\r\n<li><strong>Blade type:<\/strong> Hub blade preferred for rigidity under high cutting forces<\/li>\r\n<li><strong>Feed rate:<\/strong> 10\u201330 mm\/s<\/li>\r\n<li><strong>Spindle speed:<\/strong> 20,000\u201335,000 RPM<\/li>\r\n<li><strong>Technique:<\/strong> Step-cut strongly recommended \u2014 shallow first pass, full-depth second pass<\/li>\r\n<li><strong>Dressing:<\/strong> Aggressive dressing board required between wafers or groups of wafers<\/li>\r\n<\/ul>\r\n<p>Blade life on SiC is significantly shorter than on silicon \u2014 expect 5\u201330 wafers per blade depending on wafer thickness, street density, and grit specification. Budget for higher blade consumption rates when qualifying SiC dicing processes, and establish clear blade replacement triggers (spindle current rise, chipping threshold) rather than running blades to catastrophic failure.<\/p>\r\n<!-- SAPPHIRE -->\r\n<div class=\"jzc-mat-header\" style=\"margin-top: 48px;\">\r\n<div class=\"jzc-mat-badge jzc-mat-badge-sa\">Sa<\/div>\r\n<h2 id=\"sapphire\" style=\"border: none; margin: 0; padding: 0;\">5. Sapphire Dicing Blades<\/h2>\r\n<\/div>\r\n<p>Sapphire (aluminium oxide, Al\u2082O\u2083) is used primarily as a substrate for gallium nitride (GaN) LED and HEMT device fabrication. Sapphire&#8217;s Mohs hardness of 9 places it among the hardest practical dicing substrates, but its higher fracture toughness compared with SiC means it responds better to blade dicing than SiC when the correct blade is used. Resin bond blades are the standard choice because the substrate&#8217;s hardness provides sufficient dressing action to maintain diamond exposure without external dressing.<\/p>\r\n<h3>Recommended Blade Specification<\/h3>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> R\u00e9sine<\/li>\r\n<li><strong>Grit size:<\/strong> 4\u20138 \u00b5m<\/li>\r\n<li><strong>Feed rate:<\/strong> 8\u201320 mm\/s<\/li>\r\n<li><strong>Spindle speed:<\/strong> 20,000\u201330,000 RPM<\/li>\r\n<li><strong>Coolant:<\/strong> High-flow DI water; sapphire chips are non-toxic but high-volume swarf requires effective flushing<\/li>\r\n<\/ul>\r\n<p>For 2&#8243; and 4&#8243; sapphire LED substrates commonly used in GaN-on-sapphire processes, hub blades are typically used due to the relatively thick substrates (430\u2013650 \u00b5m). For thin sapphire substrates used in advanced LED packaging, hubless resin-bond blades with finer grit are preferred.<\/p>\r\n<!-- InP -->\r\n<h2 id=\"inp\">6. InP Dicing Blades<\/h2>\r\n<p>Indium phosphide is the softest and most fragile of the common compound semiconductors, with a fracture toughness of only 0.3\u20130.4 MPa\u00b7m\u00bd \u2014 slightly lower even than GaAs. InP is used in photonic integrated circuits, high-speed transceivers, and coherent optical devices where die sidewall roughness can affect waveguide coupling efficiency. The blade specification for InP prioritises minimum cutting force above all other criteria.<\/p>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> Resin fine or nickel electroform<\/li>\r\n<li><strong>Grit size:<\/strong> 2\u20133 \u00b5m (finer than GaAs)<\/li>\r\n<li><strong>Feed rate:<\/strong> 10\u201320 mm\/s<\/li>\r\n<li><strong>Spindle speed:<\/strong> 25,000\u201340,000 RPM<\/li>\r\n<li><strong>Coolant:<\/strong> Continuous high-flow; InP is a compound phosphide and swarf must be handled carefully<\/li>\r\n<\/ul>\r\n<!-- GLASS -->\r\n<h2 id=\"glass\">7. Glass Substrate Dicing Blades<\/h2>\r\n<p>Glass substrates \u2014 including borosilicate, aluminosilicate, fused silica, and low-temperature co-fired ceramic (LTCC) glass composites \u2014 are encountered in MEMS fabrication, optical filter arrays, microfluidic devices, and advanced packaging interposers. Glass is amorphous (no crystal planes) and prone to lateral crack propagation during dicing if the blade generates excessive lateral force. The blade specification aims to minimise lateral stress while maintaining adequate cutting rate.<\/p>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> Resin or metal (depending on glass hardness and thickness)<\/li>\r\n<li><strong>Grit size:<\/strong> 4\u20136 \u00b5m for most glass types<\/li>\r\n<li><strong>Feed rate:<\/strong> 15\u201340 mm\/s<\/li>\r\n<li><strong>Spindle speed:<\/strong> 25,000\u201340,000 RPM<\/li>\r\n<li><strong>Special consideration:<\/strong> Edge chipping in glass is highly visible and cosmetically unacceptable for optical applications; target FSC &lt; 5 \u00b5m<\/li>\r\n<\/ul>\r\n<!-- CERAMIC -->\r\n<h2 id=\"ceramic\">8. Ceramic Substrate Dicing Blades (AlN, Al\u2082O\u2083)<\/h2>\r\n<p>Power electronics modules commonly use aluminium nitride (AlN) or alumina (Al\u2082O\u2083) ceramic substrates with thick copper or silver metallisation layers. The dicing challenge is two-fold: the ceramic is hard and abrasive, and the ductile metal layers must be cleanly cut without smearing or delaminating. Metal or hybrid bond blades with moderate grit (6\u201310 \u00b5m) are the standard approach, often combined with step-cut technique to separate the metallisation pass from the ceramic dicing pass.<\/p>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> Metal or hybrid<\/li>\r\n<li><strong>Grit size:<\/strong> 6\u201310 \u00b5m<\/li>\r\n<li><strong>Feed rate:<\/strong> 5\u201315 mm\/s (slow \u2014 ceramics are unforgiving of force spikes)<\/li>\r\n<li><strong>Spindle speed:<\/strong> 15,000\u201325,000 RPM<\/li>\r\n<\/ul>\r\n<!-- LiTaO3 -->\r\n<h2 id=\"litao3\">9. LiTaO\u2083 and LiNbO\u2083 Dicing Blades<\/h2>\r\n<p>Lithium tantalate (LiTaO\u2083) and lithium niobate (LiNbO\u2083) are piezoelectric single crystals used in surface acoustic wave (SAW) and bulk acoustic wave (BAW) filter devices for RF applications. Both materials are brittle, moderately hard, and pyroelectric \u2014 meaning they generate static charge under temperature changes, which can cause die-to-die electrostatic adhesion issues during singulation. Fine resin-bond blades with consistent DI water flow are the standard specification, and electrostatic management (ionised air rinse post-cut) is often incorporated into the process.<\/p>\r\n<ul>\r\n<li><strong>Bond type:<\/strong> Resin fine<\/li>\r\n<li><strong>Grit size:<\/strong> 4\u20136 \u00b5m<\/li>\r\n<li><strong>Feed rate:<\/strong> 10\u201325 mm\/s<\/li>\r\n<li><strong>Spindle speed:<\/strong> 20,000\u201335,000 RPM<\/li>\r\n<\/ul>\r\n<!-- MASTER TABLE -->\r\n<h2 id=\"master-table\">10. Master Specification Reference Table<\/h2>\r\n<div class=\"jzc-table-wrap\">\r\n<table class=\"jzc-table\" aria-label=\"Master dicing blade specification table all materials\">\r\n<thead>\r\n<tr>\r\n<th>Substrate<\/th>\r\n<th>Type d'obligation<\/th>\r\n<th>Grit (\u00b5m)<\/th>\r\n<th>Blade Type<\/th>\r\n<th>Feed Rate (mm\/s)<\/th>\r\n<th>Spindle (RPM)<\/th>\r\n<th>Step-Cut?<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Si standard (300\u2013775 \u00b5m)<\/td>\r\n<td>Nickel \/ Hybrid<\/td>\r\n<td>4\u20136<\/td>\r\n<td>Hub or Hubless<\/td>\r\n<td>40\u201375<\/td>\r\n<td>30,000\u201345,000<\/td>\r\n<td>En option<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Si ultra-thin (&lt;150 \u00b5m)<\/td>\r\n<td>Resin \/ Nickel fine<\/td>\r\n<td>2-4<\/td>\r\n<td>Hubless<\/td>\r\n<td>10\u201325<\/td>\r\n<td>40,000\u201355,000<\/td>\r\n<td>Recommand\u00e9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>GaAs<\/td>\r\n<td>Nickel<\/td>\r\n<td>2-4<\/td>\r\n<td>Hub or Hubless<\/td>\r\n<td>15\u201335<\/td>\r\n<td>25,000-40,000<\/td>\r\n<td>Recommand\u00e9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>SiC<\/td>\r\n<td>Resin soft<\/td>\r\n<td>6\u201310<\/td>\r\n<td>Hub<\/td>\r\n<td>10\u201330<\/td>\r\n<td>20,000-35,000<\/td>\r\n<td>Exig\u00e9e<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Saphir<\/td>\r\n<td>R\u00e9sine<\/td>\r\n<td>4-8<\/td>\r\n<td>Hub or Hubless<\/td>\r\n<td>8\u201320<\/td>\r\n<td>20,000-30,000<\/td>\r\n<td>En option<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>InP<\/td>\r\n<td>Resin fine \/ Nickel<\/td>\r\n<td>2\u20133<\/td>\r\n<td>Hubless<\/td>\r\n<td>10\u201320<\/td>\r\n<td>25,000-40,000<\/td>\r\n<td>Recommand\u00e9<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Glass (borosilicate)<\/td>\r\n<td>Resin \/ Metal<\/td>\r\n<td>4\u20136<\/td>\r\n<td>Hubless<\/td>\r\n<td>15\u201340<\/td>\r\n<td>25,000-40,000<\/td>\r\n<td>En option<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>AlN \/ Al\u2082O\u2083 ceramic<\/td>\r\n<td>Metal \/ Hybrid<\/td>\r\n<td>6\u201310<\/td>\r\n<td>Hub<\/td>\r\n<td>5\u201315<\/td>\r\n<td>15,000\u201325,000<\/td>\r\n<td>Exig\u00e9e<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>LiTaO\u2083 \/ LiNbO\u2083<\/td>\r\n<td>Resin fine<\/td>\r\n<td>4\u20136<\/td>\r\n<td>Hub or Hubless<\/td>\r\n<td>10\u201325<\/td>\r\n<td>20,000-35,000<\/td>\r\n<td>En option<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<h2 id=\"faq\">11. Frequently Asked Questions<\/h2>\r\n<h3>Can I use a silicon dicing blade on GaAs without re-qualifying?<\/h3>\r\n<p>No. Although silicon and GaAs are both semiconductor wafers, they have very different mechanical properties. A blade optimised for silicon typically has a harder bond and coarser grit than is appropriate for GaAs, where the lower fracture toughness means even marginally elevated cutting forces cause die edge cracking. Always perform qualification cuts on any new substrate even if the blade has been previously qualified on a different material.<\/p>\r\n<h3>Why does SiC dicing consume blades so quickly?<\/h3>\r\n<p>SiC&#8217;s extreme hardness (Mohs 9\u20139.5) means that diamond grains \u2014 themselves Mohs 10 \u2014 are cutting a substrate that is nearly as hard as the abrasive itself. The cutting forces required to fracture SiC are high, and those forces are partially transmitted back into the blade, accelerating bond erosion and diamond fracture. Additionally, SiC is chemically resistant and does not lubricate the cutting interface as some softer materials do, increasing friction-based wear. These factors combine to produce blade wear rates 5\u201320\u00d7 higher than for standard silicon.<\/p>\r\n<h3>Is laser dicing better than blade dicing for sapphire LED substrates?<\/h3>\r\n<p>Both technologies are used in production for sapphire LED singulation, and the choice depends on substrate thickness and die geometry. For standard 430 \u00b5m sapphire, blade dicing is more cost-effective and is the dominant method. For thinner substrates and advanced LED structures with very narrow streets (below 40 \u00b5m), laser dicing or a hybrid laser-scribe\/blade-break process offers advantages. For a full technology comparison, see: <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Blade-Dicing-vs-Laser-Dicing-vs-Plasma-Dicing\/\" target=\"_blank\" rel=\"noopener noreferrer\">Blade Dicing vs. Laser Dicing vs. Plasma Dicing<\/a>.<\/p>\r\n<hr class=\"jzc-divider\" \/>\r\n<div class=\"jzc-back\">\u2190 Back to the full guide: <a href=\"https:\/\/jeez-semicon.com\/fr\/blog\/Wafer-Dicing-Blade-Complete-Buyers-Guide\/\" target=\"_blank\" rel=\"noopener noreferrer\">Wafer Dicing Blade: The Complete Buyer&#8217;s Guide<\/a> \u2014 for hub vs. hubless comparison, bond type selection, process optimisation, and all related technical topics.<\/div>\r\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Material Compatibility Guide \u00b7 May 2026 Per-material blade specifications, process parameter ranges, die quality benchmarks, and application notes for nine semiconductor and electronic substrate materials \u2014 the essential reference for  &#8230;<\/p>","protected":false},"author":1,"featured_media":2022,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,59],"tags":[],"class_list":["post-2020","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\/2020","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=2020"}],"version-history":[{"count":3,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/2020\/revisions"}],"predecessor-version":[{"id":2044,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/posts\/2020\/revisions\/2044"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/media\/2022"}],"wp:attachment":[{"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/media?parent=2020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/categories?post=2020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jeez-semicon.com\/fr\/wp-json\/wp\/v2\/tags?post=2020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}