{"id":2162,"date":"2026-04-13T05:49:11","date_gmt":"2026-04-13T05:49:11","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?p=2162"},"modified":"2026-04-13T05:49:16","modified_gmt":"2026-04-13T05:49:16","slug":"laser-dicing-vs-mechanical-saw-in-semiconductor-manufacturing","status":"publish","type":"post","link":"https:\/\/www.zmsh-semitech.com\/sv\/laser-dicing-vs-mechanical-saw-in-semiconductor-manufacturing\/","title":{"rendered":"Lasersk\u00e4rning kontra mekanisk s\u00e5g vid tillverkning av halvledare"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1. Inledning<\/h2>\n\n\n\n<p>Wafer dicing (\u00e4ven kallat wafer singulation) \u00e4r ett kritiskt steg i halvledartillverkningen, d\u00e4r bearbetade kisel- eller sammansatta halvledarskivor separeras till individuella dies. I takt med att enheternas geometrier krymper och materialen blir allt mer varierande - t.ex. kiselkarbid (SiC), galliumnitrid (GaN) och safir - blir valet av dicing-teknik allt viktigare.<\/p>\n\n\n\n<p>Tv\u00e5 dominerande metoder anv\u00e4nds ofta idag:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mekanisk t\u00e4rning (diamantbladss\u00e5gning)<\/li>\n\n\n\n<li>Laser-dicing (laserbaserad ablation eller stealth-separation)<\/li>\n<\/ul>\n\n\n\n<p>Varje metod har sina egna fysiska mekanismer, processbegr\u00e4nsningar och till\u00e4mpningsomr\u00e5den. I den h\u00e4r artikeln g\u00f6rs en vetenskaplig j\u00e4mf\u00f6relse av de b\u00e5da teknikerna vad g\u00e4ller principer, prestanda och industriell l\u00e4mplighet.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing-1024x683.png\" alt=\"\" class=\"wp-image-2164\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing-1024x683.png 1024w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing-300x200.png 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing-768x512.png 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing-18x12.png 18w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing-600x400.png 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/Laser-Dicing-vs-Mechanical-Saw-in-Semiconductor-Manufacturing.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2. Grundl\u00e4ggande arbetsprinciper<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">2.1 Mekanisk wafer-dicing (diamants\u00e5gning)<\/h2>\n\n\n\n<p>Mekanisk dicing anv\u00e4nder en h\u00f6ghastighetsroterande spindel utrustad med ett diamantinb\u00e4ddat blad. Wafern monteras p\u00e5 en dicingtejp och sk\u00e4rs l\u00e4ngs f\u00f6rdefinierade gator.<\/p>\n\n\n\n<p>Processen styrs av materialavverkning genom n\u00f6tning och sprickmekanik:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diamantpartiklarna repar och spr\u00e4cker wafern mekaniskt<\/li>\n\n\n\n<li>Materialet avl\u00e4gsnas som finf\u00f6rdelat skr\u00e4p (slurry eller torra partiklar beroende p\u00e5 system)<\/li>\n\n\n\n<li>Kylvatten anv\u00e4nds ofta f\u00f6r att minska termisk och mekanisk p\u00e5frestning<\/li>\n<\/ul>\n\n\n\n<p>Den h\u00e4r metoden \u00e4r mogen och anv\u00e4nds ofta i halvledarfabriker.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.2 Dicing av laserskivor<\/h2>\n\n\n\n<p>Lasersk\u00e4rning anv\u00e4nder en h\u00f6gfokuserad laserstr\u00e5le (nanosekund-, pikosekund- eller femtosekundpulser) f\u00f6r att modifiera eller avl\u00e4gsna material.<\/p>\n\n\n\n<p>Vanliga mekanismer inkluderar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Laserablation<\/strong>: direkt f\u00f6r\u00e5ngning av material<\/li>\n\n\n\n<li><strong>Smygande t\u00e4rning<\/strong>: modifiering av undergrunden f\u00f6ljt av kontrollerad sprickbildning<\/li>\n\n\n\n<li><strong>Termisk sp\u00e4nningsseparation<\/strong>: lokaliserad uppv\u00e4rmning inducerar sprickutbredning<\/li>\n<\/ul>\n\n\n\n<p>Till skillnad fr\u00e5n mekanisk kontaktsk\u00e4rning \u00e4r lasersk\u00e4rning en ber\u00f6ringsfri process, vilket minskar den mekaniska belastningen p\u00e5 wafern.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. J\u00e4mf\u00f6relse av processer<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 Mekaniska p\u00e5frestningar och skador<\/h3>\n\n\n\n<p>Mekanisk dikning introduceras:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kantflisning<\/li>\n\n\n\n<li>Mikrosprickor<\/li>\n\n\n\n<li>Sp\u00e4nningsutbredning i spr\u00f6da material<\/li>\n<\/ul>\n\n\n\n<p>Lasersk\u00e4rning minskar den mekaniska kraften, men kan medf\u00f6ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00e4rmep\u00e5verkade zoner (HAZ)<\/li>\n\n\n\n<li>Mikrostrukturell modifiering beroende p\u00e5 v\u00e5gl\u00e4ngd och pulsl\u00e4ngd<\/li>\n<\/ul>\n\n\n\n<p>F\u00f6r spr\u00f6da material med h\u00f6gt v\u00e4rde (t.ex. SiC-wafers) \u00e4r skadekontroll avg\u00f6rande.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 Precision och kerfbredd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mekaniskt s\u00e5gsp\u00e5r: typiskt 25-60 \u00b5m (beroende p\u00e5 klingans tjocklek)<\/li>\n\n\n\n<li>Laserkerf: kan minskas till &lt;20 \u00b5m i optimerade system<\/li>\n<\/ul>\n\n\n\n<p>Laserteknik ger h\u00f6gre flexibilitet f\u00f6r ultrafina geometrier, s\u00e4rskilt inom avancerade f\u00f6rpackningar och MEMS-enheter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 Materialkompatibilitet<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Materialtyp<\/th><th>Mekanisk s\u00e5g<\/th><th>Dicing med laser<\/th><\/tr><\/thead><tbody><tr><td>Kisel (Si)<\/td><td>Anv\u00e4nds ofta<\/td><td>\u00d6kad anv\u00e4ndning<\/td><\/tr><tr><td>SiC<\/td><td>Sv\u00e5rt (verktygsslitage)<\/td><td>F\u00f6retr\u00e4desvis (avancerade system)<\/td><\/tr><tr><td>Safir<\/td><td>H\u00f6g risk f\u00f6r flisning<\/td><td>B\u00e4ttre kantkvalitet<\/td><\/tr><tr><td>GaN<\/td><td>M\u00e5ttlig skada<\/td><td>F\u00f6retr\u00e4desvis<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Lasersk\u00e4rning blir alltmer f\u00f6rdelaktigt f\u00f6r h\u00e5rda, spr\u00f6da och material med brett bandgap.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 Genomstr\u00f6mning och kostnadseffektivitet<\/h3>\n\n\n\n<p>Mekanisk t\u00e4rning:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00f6g genomstr\u00f6mning<\/li>\n\n\n\n<li>L\u00e4gre kostnader f\u00f6r utrustning<\/li>\n\n\n\n<li>Moget ekosystem f\u00f6r f\u00f6rbrukningsvaror (knivar, kylv\u00e4tska)<\/li>\n<\/ul>\n\n\n\n<p>Dicing med laser:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u00f6gre kapitalinvesteringar<\/li>\n\n\n\n<li>L\u00e4gre kostnad f\u00f6r f\u00f6rbrukningsvaror<\/li>\n\n\n\n<li>Potentiellt l\u00e5ngsammare i vissa konfigurationer (beroende p\u00e5 skanningsstrategi)<\/li>\n<\/ul>\n\n\n\n<p>Vid tillverkning av kisel i stora volymer dominerar fortfarande mekanisk s\u00e5gning p\u00e5 grund av kostnadseffektiviteten.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.5 Verktygsslitage och underh\u00e5ll<\/h3>\n\n\n\n<p>Mekaniska system lider av:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Slitage p\u00e5 bladet<\/li>\n\n\n\n<li>Frekventa byten<\/li>\n\n\n\n<li>Processdrift \u00f6ver tid<\/li>\n<\/ul>\n\n\n\n<p>Lasersystem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inget fysiskt verktygsslitage<\/li>\n\n\n\n<li>Kr\u00e4ver endast optisk justering och linsunderh\u00e5ll<\/li>\n<\/ul>\n\n\n\n<p>Detta g\u00f6r lasersystem attraktiva f\u00f6r l\u00e5ngsiktig stabilitet inom precisionstillverkning.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Industriella till\u00e4mpningar<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">4.1 Till\u00e4mpningar f\u00f6r mekanisk dikning<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CMOS-bildsensorer<\/li>\n\n\n\n<li>Minneschip (DRAM, NAND)<\/li>\n\n\n\n<li>Standardf\u00f6rpackning f\u00f6r kisel-IC<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4.2 <a href=\"https:\/\/www.zmsh-semitech.com\/sv\/produkt-kategori\/laser-cutting\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">Dicing med laser<\/mark><\/a> Till\u00e4mpningar<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SiC-str\u00f6mf\u00f6rs\u00f6rjningsenheter (EV, laddningsinfrastruktur)<\/li>\n\n\n\n<li>LED och optoelektroniska wafers<\/li>\n\n\n\n<li>MEMS-enheter<\/li>\n\n\n\n<li>Avancerad f\u00f6rpackning f\u00f6r heterogen integration<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. Sammanfattning av viktiga avv\u00e4gningar<\/h2>\n\n\n\n<p>Ur ett tekniskt perspektiv \u00e4r valet mellan laser och mekanisk sk\u00e4rning beroende av balansering:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avkastning kontra kostnad<\/li>\n\n\n\n<li>Materialh\u00e5rdhet vs genomstr\u00f6mning<\/li>\n\n\n\n<li>Precision kontra skalbarhet<\/li>\n<\/ul>\n\n\n\n<p>Mekanisk dikning \u00e4r fortfarande ryggraden i den vanliga halvledartillverkningen, medan dikning med laser snabbt \u00f6kar inom avancerade material och h\u00f6gv\u00e4rdiga applikationer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Framtida utvecklingstrender<\/h2>\n\n\n\n<p>Flera trender formar utvecklingen av singulering av wafers:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6.1 Hybrida dikningssystem<\/h3>\n\n\n\n<p>Vissa tillverkare kombinerar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laserf\u00f6rskrivning + mekanisk brytning<\/li>\n\n\n\n<li>Laserrillning + efterbearbetning av blad<\/li>\n<\/ul>\n\n\n\n<p>Detta f\u00f6rb\u00e4ttrar b\u00e5de avkastning och genomstr\u00f6mning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6.2 Lasrar f\u00f6r ultrakorta pulser<\/h3>\n\n\n\n<p>Femtosekundlasersystem minskar avsev\u00e4rt de v\u00e4rmep\u00e5verkade zonerna, vilket m\u00f6jligg\u00f6r:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Renare kanter<\/li>\n\n\n\n<li>Minskade mikrosprickor<\/li>\n\n\n\n<li>F\u00f6rb\u00e4ttrad tillf\u00f6rlitlighet i SiC- och safirwafers<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6.3 Utmaningar f\u00f6r 300 mm-wafers<\/h3>\n\n\n\n<p>I takt med att waferstorleken \u00f6kar:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Den mekaniska sp\u00e4nningsf\u00f6rdelningen blir mer komplex<\/li>\n\n\n\n<li>Kontroll av skevhet \u00e4r avg\u00f6rande<\/li>\n\n\n\n<li>Laserprecision blir allt mer v\u00e4rdefull<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. Slutsatser<\/h2>\n\n\n\n<p>Lasersk\u00e4rning och mekanisk s\u00e5gning \u00e4r tv\u00e5 fundamentalt olika tekniska metoder f\u00f6r singulering av wafers.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mekaniska s\u00e5gar utm\u00e4rker sig n\u00e4r det g\u00e4ller kostnadseffektivitet och kiselproduktion i stora volymer<\/li>\n\n\n\n<li>Lasersk\u00e4rning utm\u00e4rker sig genom precision, materialflexibilitet och avancerade halvledartill\u00e4mpningar<\/li>\n<\/ul>\n\n\n\n<p>I st\u00e4llet f\u00f6r att helt ers\u00e4tta varandra samexisterar dessa tekniker i allt h\u00f6gre grad i ett kompletterande ekosystem f\u00f6r tillverkning, drivet av materialinnovation och miniatyrisering av enheter.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Introduction Wafer dicing (also called wafer singulation) is a critical step in semiconductor manufacturing, where processed silicon or compound semiconductor wafers are separated into individual dies. As device geometries shrink and materials diversify\u2014such as silicon carbide (SiC), gallium nitride (GaN), and sapphire\u2014the choice of dicing technology becomes increasingly important. Two dominant approaches are widely [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2164,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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