{"id":2189,"date":"2026-04-14T05:47:26","date_gmt":"2026-04-14T05:47:26","guid":{"rendered":"https:\/\/www.zmsh-semitech.com\/?post_type=product&#038;p=2189"},"modified":"2026-04-14T05:47:29","modified_gmt":"2026-04-14T05:47:29","slug":"6-inch-4h-n-silicon-carbide-wafer","status":"publish","type":"product","link":"https:\/\/www.zmsh-semitech.com\/sv\/product\/6-inch-4h-n-silicon-carbide-wafer\/","title":{"rendered":"6-tums 4H-N kiselkarbidskiva"},"content":{"rendered":"<p data-start=\"457\" data-end=\"813\">Den 6-tums 4H-N kiselkarbidskivan \u00e4r ett halvledarsubstrat med brett bandgap som \u00e4r avsett f\u00f6r n\u00e4sta generations kraftelektroniska enheter. J\u00e4mf\u00f6rt med traditionella kiselmaterial erbjuder SiC betydligt h\u00f6gre elektrisk f\u00e4ltstyrka, \u00f6verl\u00e4gsen v\u00e4rmeledningsf\u00f6rm\u00e5ga och stabil prestanda under h\u00f6ga temperaturer och h\u00f6gsp\u00e4nningsf\u00f6rh\u00e5llanden.<img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-2192 size-medium\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-300x300.webp\" alt=\"4H-N kiselkarbidskiva\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd2.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p data-start=\"815\" data-end=\"1152\">Det breda bandgapet p\u00e5 cirka 3,26 eV g\u00f6r att SiC-baserade enheter kan arbeta vid h\u00f6gre sp\u00e4nningar och switchfrekvenser samtidigt som energif\u00f6rlusterna blir l\u00e4gre. Som ett resultat av detta har SiC blivit ett viktigt material f\u00f6r h\u00f6geffektiva kraftomvandlingssystem, inklusive elfordon, system f\u00f6r f\u00f6rnybar energi och industriell str\u00f6mf\u00f6rs\u00f6rjning.<\/p>\n<p data-start=\"1154\" data-end=\"1446\">Waferformatet p\u00e5 6 tum (150 mm-klassen) \u00e4r f\u00f6r n\u00e4rvarande den vanligaste industristandarden f\u00f6r tillverkning av SiC-enheter. Det ger en optimal balans mellan produktionsutbyte, processmognad och kostnadseffektivitet, vilket g\u00f6r det l\u00e4mpligt f\u00f6r b\u00e5de massproduktion och avancerade forskningsapplikationer.<\/p>\n<h2 data-section-id=\"1m0bppr\" data-start=\"1453\" data-end=\"1475\">Materialegenskaper<\/h2>\n<p data-start=\"1477\" data-end=\"1603\">4H-SiC \u00e4r den mest anv\u00e4nda polytypen inom kraftelektronik p\u00e5 grund av dess gynnsamma kristallsymmetri och elektriska prestanda.<\/p>\n<p data-start=\"1605\" data-end=\"1638\">Viktiga inneboende egenskaper inkluderar:<\/p>\n<ul data-start=\"1640\" data-end=\"1985\">\n<li data-section-id=\"u9adpp\" data-start=\"1640\" data-end=\"1699\">Brett bandgap (~3,26 eV) m\u00f6jligg\u00f6r h\u00f6gsp\u00e4nningsdrift<\/li>\n<li data-section-id=\"1qovr\" data-start=\"1700\" data-end=\"1774\">H\u00f6g v\u00e4rmeledningsf\u00f6rm\u00e5ga (~4,9 W\/cm-K) f\u00f6r effektiv v\u00e4rmeavledning<\/li>\n<li data-section-id=\"1eo3rd4\" data-start=\"1775\" data-end=\"1850\">H\u00f6gt elektriskt f\u00e4lt vid genombrott (~3 MV\/cm) m\u00f6jligg\u00f6r kompakt design av enheten<\/li>\n<li data-section-id=\"1pbvzeg\" data-start=\"1851\" data-end=\"1914\">H\u00f6g m\u00e4ttnadshastighet f\u00f6r elektroner ger snabb omkoppling<\/li>\n<li data-section-id=\"2w4jum\" data-start=\"1915\" data-end=\"1985\">Utm\u00e4rkt kemikalie- och str\u00e5lningsbest\u00e4ndighet f\u00f6r kr\u00e4vande milj\u00f6er<\/li>\n<\/ul>\n<p data-start=\"1987\" data-end=\"2087\">Dessa egenskaper g\u00f6r SiC till ett kritiskt material f\u00f6r h\u00f6geffektiva halvledarkomponenter med h\u00f6g effekt.<\/p>\n<h2 data-section-id=\"4ew6vq\" data-start=\"2094\" data-end=\"2137\"><img decoding=\"async\" class=\"alignright wp-image-2190 size-medium\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-300x300.webp\" alt=\"6-tums 4H-N kiselkarbidskiva\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd4.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Kristalltillv\u00e4xt och tillverkningsprocess<\/h2>\n<p data-start=\"2139\" data-end=\"2286\">SiC-wafers tillverkas vanligen med PVT-metoden (Physical Vapor Transport), en mogen industriell process f\u00f6r kristalltillv\u00e4xt av SiC i bulk.<\/p>\n<p data-start=\"2288\" data-end=\"2526\">I denna process sublimeras SiC-pulver med h\u00f6g renhet vid temperaturer \u00f6ver 2000\u00b0C. \u00c5ngfas\u00e4mnena transporteras under noggrant kontrollerade termiska gradienter och omkristalliseras p\u00e5 en fr\u00f6kristall, varvid en enkristalliserad boule bildas.<\/p>\n<p data-start=\"2528\" data-end=\"2573\">Efter kristalltillv\u00e4xt genomg\u00e5r materialet:<\/p>\n<ul data-start=\"2575\" data-end=\"2712\">\n<li data-section-id=\"1akaq77\" data-start=\"2575\" data-end=\"2608\">Precisionsskivning till wafers<\/li>\n<li data-section-id=\"h9dpd3\" data-start=\"2609\" data-end=\"2637\">Kantformning och lappning<\/li>\n<li data-section-id=\"lnoxjt\" data-start=\"2638\" data-end=\"2677\">Kemisk mekanisk polering (CMP)<\/li>\n<li data-section-id=\"f7113h\" data-start=\"2678\" data-end=\"2712\">Reng\u00f6ring och inspektion av defekter<\/li>\n<\/ul>\n<p data-start=\"2714\" data-end=\"2910\">F\u00f6r tillverkning av komponenter kan ytterligare en CVD-epitaxialprocess (Chemical Vapor Deposition) till\u00e4mpas f\u00f6r att bilda epitaxiala skikt av h\u00f6g kvalitet med kontrollerad dopningskoncentration och tjocklek.<\/p>\n<h2 data-section-id=\"mu966k\" data-start=\"2917\" data-end=\"2932\">Till\u00e4mpningar<\/h2>\n<h3 data-section-id=\"nvblr7\" data-start=\"2934\" data-end=\"2963\">Kraftelektroniska enheter<\/h3>\n<ul data-start=\"2964\" data-end=\"3162\">\n<li data-section-id=\"weto8f\" data-start=\"2964\" data-end=\"3017\">SiC MOSFETs f\u00f6r h\u00f6geffektiva switchsystem<\/li>\n<li data-section-id=\"11pxyfb\" data-start=\"3018\" data-end=\"3083\">SiC Schottky Barrier Dioder (SBD) f\u00f6r likriktning med l\u00e5g f\u00f6rlust<\/li>\n<li data-section-id=\"iw3utm\" data-start=\"3084\" data-end=\"3120\">DC-DC- och AC-DC-kraftomvandlare<\/li>\n<li data-section-id=\"x74fmu\" data-start=\"3121\" data-end=\"3162\">Industriella motorstyrningar och omriktare<\/li>\n<\/ul>\n<h3 data-section-id=\"1htwq4x\" data-start=\"3164\" data-end=\"3204\">Elfordon och energisystem<\/h3>\n<ul data-start=\"3205\" data-end=\"3327\">\n<li data-section-id=\"1yymave\" data-start=\"3205\" data-end=\"3232\">Inbyggda laddare (OBC)<\/li>\n<li data-section-id=\"1usbixy\" data-start=\"3233\" data-end=\"3255\">Omriktare f\u00f6r traktion<\/li>\n<li data-section-id=\"1it9wh\" data-start=\"3256\" data-end=\"3281\">System f\u00f6r snabbladdning<\/li>\n<li data-section-id=\"1j4nm5g\" data-start=\"3282\" data-end=\"3327\">V\u00e4xelriktare f\u00f6r f\u00f6rnybar energi (sol\/vind)<\/li>\n<\/ul>\n<h3 data-section-id=\"1g2wpq2\" data-start=\"3329\" data-end=\"3363\">Till\u00e4mpningar i tuffa milj\u00f6er<\/h3>\n<ul data-start=\"3364\" data-end=\"3503\">\n<li data-section-id=\"xrpubo\" data-start=\"3364\" data-end=\"3389\">Elektronik f\u00f6r flyg- och rymdindustrin<\/li>\n<li data-section-id=\"1kgg2fq\" data-start=\"3390\" data-end=\"3429\">Industriella system f\u00f6r h\u00f6ga temperaturer<\/li>\n<li data-section-id=\"1idwz9d\" data-start=\"3430\" data-end=\"3467\">Elektronik f\u00f6r olje- och gasprospektering<\/li>\n<li data-section-id=\"12vwqli\" data-start=\"3468\" data-end=\"3503\">Str\u00e5lningst\u00e5lig elektronik<\/li>\n<\/ul>\n<h3 data-section-id=\"1hkijl5\" data-start=\"3505\" data-end=\"3543\">Framv\u00e4xande till\u00e4mpningar p\u00e5 systemniv\u00e5<\/h3>\n<ul data-start=\"3544\" data-end=\"3658\">\n<li data-section-id=\"12zrkc2\" data-start=\"3544\" data-end=\"3596\">Kompakta kraftmoduler f\u00f6r optoelektroniska system<\/li>\n<li data-section-id=\"wqq2vx\" data-start=\"3597\" data-end=\"3658\">Drivkretsar f\u00f6r mikrodisplayer (integration av l\u00e5geffektsdesign)<\/li>\n<\/ul>\n<h2 data-section-id=\"1cgu054\" data-start=\"3665\" data-end=\"3692\">Tekniska specifikationer<\/h2>\n<h3 data-section-id=\"172ipod\" data-start=\"3694\" data-end=\"3737\">Specifikationstabell f\u00f6r 6-tums 4H-SiC-wafer<\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3739\" data-end=\"4525\">\n<thead data-start=\"3739\" data-end=\"3810\">\n<tr data-start=\"3739\" data-end=\"3810\">\n<th class=\"\" data-start=\"3739\" data-end=\"3750\" data-col-size=\"sm\">Fastighet<\/th>\n<th class=\"\" data-start=\"3750\" data-end=\"3779\" data-col-size=\"sm\">Z-klass (produktionsklass)<\/th>\n<th class=\"\" data-start=\"3779\" data-end=\"3810\" data-col-size=\"sm\">D-klass (ingenj\u00f6rsklass)<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3884\" data-end=\"4525\">\n<tr data-start=\"3884\" data-end=\"3934\">\n<td data-start=\"3884\" data-end=\"3895\" data-col-size=\"sm\">Diameter<\/td>\n<td data-start=\"3895\" data-end=\"3914\" data-col-size=\"sm\">149,5 - 150,0 mm<\/td>\n<td data-start=\"3914\" data-end=\"3934\" data-col-size=\"sm\">149,5 - 150,0 mm<\/td>\n<\/tr>\n<tr data-start=\"3935\" data-end=\"3965\">\n<td data-start=\"3935\" data-end=\"3946\" data-col-size=\"sm\">Polytyp<\/td>\n<td data-start=\"3946\" data-end=\"3955\" data-col-size=\"sm\">4H-SiC<\/td>\n<td data-start=\"3955\" data-end=\"3965\" data-col-size=\"sm\">4H-SiC<\/td>\n<\/tr>\n<tr data-start=\"3966\" data-end=\"4007\">\n<td data-start=\"3966\" data-end=\"3978\" data-col-size=\"sm\">Tjocklek<\/td>\n<td data-start=\"3978\" data-end=\"3992\" data-col-size=\"sm\">350 \u00b1 15 \u00b5m<\/td>\n<td data-start=\"3992\" data-end=\"4007\" data-col-size=\"sm\">350 \u00b1 25 \u00b5m<\/td>\n<\/tr>\n<tr data-start=\"4008\" data-end=\"4047\">\n<td data-start=\"4008\" data-end=\"4028\" data-col-size=\"sm\">Typ av konduktivitet<\/td>\n<td data-start=\"4028\" data-end=\"4037\" data-col-size=\"sm\">N-typ<\/td>\n<td data-start=\"4037\" data-end=\"4047\" data-col-size=\"sm\">N-typ<\/td>\n<\/tr>\n<tr data-start=\"4048\" data-end=\"4124\">\n<td data-start=\"4048\" data-end=\"4065\" data-col-size=\"sm\">Vinkel utanf\u00f6r axeln<\/td>\n<td data-start=\"4065\" data-end=\"4094\" data-col-size=\"sm\">4,0\u00b0 mot  \u00b1 0,5\u00b0<\/td>\n<td data-start=\"4094\" data-end=\"4124\" data-col-size=\"sm\">4,0\u00b0 mot  \u00b1 0,5\u00b0<\/td>\n<\/tr>\n<tr data-start=\"4125\" data-end=\"4182\">\n<td data-start=\"4125\" data-end=\"4139\" data-col-size=\"sm\">Resistivitet<\/td>\n<td data-start=\"4139\" data-end=\"4160\" data-col-size=\"sm\">0,015 - 0,024 \u03a9-cm<\/td>\n<td data-start=\"4160\" data-end=\"4182\" data-col-size=\"sm\">0,015 - 0,028 \u03a9-cm<\/td>\n<\/tr>\n<tr data-start=\"4183\" data-end=\"4229\">\n<td data-start=\"4183\" data-end=\"4203\" data-col-size=\"sm\">Mikror\u00f6rets t\u00e4thet<\/td>\n<td data-start=\"4203\" data-end=\"4216\" data-col-size=\"sm\">\u2264 0,2 cm-\u00b2<\/td>\n<td data-start=\"4216\" data-end=\"4229\" data-col-size=\"sm\">\u2264 15 cm-\u00b2<\/td>\n<\/tr>\n<tr data-start=\"4230\" data-end=\"4274\">\n<td data-start=\"4230\" data-end=\"4255\" data-col-size=\"sm\">Ytj\u00e4mnhet (Ra)<\/td>\n<td data-start=\"4255\" data-end=\"4264\" data-col-size=\"sm\">\u2264 1 nm<\/td>\n<td data-start=\"4264\" data-end=\"4274\" data-col-size=\"sm\">\u2264 1 nm<\/td>\n<\/tr>\n<tr data-start=\"4275\" data-end=\"4314\">\n<td data-start=\"4275\" data-end=\"4291\" data-col-size=\"sm\">CMP Grovhet<\/td>\n<td data-start=\"4291\" data-end=\"4302\" data-col-size=\"sm\">\u2264 0,2 nm<\/td>\n<td data-start=\"4302\" data-end=\"4314\" data-col-size=\"sm\">\u2264 0,5 nm<\/td>\n<\/tr>\n<tr data-start=\"4315\" data-end=\"4342\">\n<td data-start=\"4315\" data-end=\"4321\" data-col-size=\"sm\">LTV<\/td>\n<td data-start=\"4321\" data-end=\"4332\" data-col-size=\"sm\">\u2264 2,5 \u00b5m<\/td>\n<td data-start=\"4332\" data-end=\"4342\" data-col-size=\"sm\">\u2264 5 \u00b5m<\/td>\n<\/tr>\n<tr data-start=\"4343\" data-end=\"4369\">\n<td data-start=\"4343\" data-end=\"4349\" data-col-size=\"sm\">TTV<\/td>\n<td data-start=\"4349\" data-end=\"4358\" data-col-size=\"sm\">\u2264 6 \u00b5m<\/td>\n<td data-start=\"4358\" data-end=\"4369\" data-col-size=\"sm\">\u2264 15 \u00b5m<\/td>\n<\/tr>\n<tr data-start=\"4370\" data-end=\"4397\">\n<td data-start=\"4370\" data-end=\"4376\" data-col-size=\"sm\">B\u00e5ge<\/td>\n<td data-start=\"4376\" data-end=\"4386\" data-col-size=\"sm\">\u2264 25 \u00b5m<\/td>\n<td data-start=\"4386\" data-end=\"4397\" data-col-size=\"sm\">\u2264 40 \u00b5m<\/td>\n<\/tr>\n<tr data-start=\"4398\" data-end=\"4426\">\n<td data-start=\"4398\" data-end=\"4405\" data-col-size=\"sm\">Varp<\/td>\n<td data-start=\"4405\" data-end=\"4415\" data-col-size=\"sm\">\u2264 35 \u00b5m<\/td>\n<td data-start=\"4415\" data-end=\"4426\" data-col-size=\"sm\">\u2264 60 \u00b5m<\/td>\n<\/tr>\n<tr data-start=\"4427\" data-end=\"4459\">\n<td data-start=\"4427\" data-end=\"4444\" data-col-size=\"sm\">Uteslutning av kanter<\/td>\n<td data-start=\"4444\" data-end=\"4451\" data-col-size=\"sm\">3 mm<\/td>\n<td data-start=\"4451\" data-end=\"4459\" data-col-size=\"sm\">3 mm<\/td>\n<\/tr>\n<tr data-start=\"4460\" data-end=\"4525\">\n<td data-start=\"4460\" data-end=\"4472\" data-col-size=\"sm\">F\u00f6rpackning<\/td>\n<td data-start=\"4472\" data-end=\"4498\" data-col-size=\"sm\">Kassett \/ Enskild wafer<\/td>\n<td data-start=\"4498\" data-end=\"4525\" data-col-size=\"sm\">Kassett \/ Enskild wafer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 data-section-id=\"1r0wkfr\" data-start=\"4532\" data-end=\"4563\"><img decoding=\"async\" class=\"alignright wp-image-2193 size-medium\" src=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-300x300.webp\" alt=\"6-tums 4H-N kiselkarbidskiva\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-300x300.webp 300w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-150x150.webp 150w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-768x768.webp 768w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-12x12.webp 12w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-600x600.webp 600w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1-100x100.webp 100w, https:\/\/www.zmsh-semitech.com\/wp-content\/uploads\/2026\/04\/6_inch_silicon_carbide_sic_wafer_for_ar_glasses_mos_sbd1.webp 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Kvalitetskontroll &amp; inspektion<\/h2>\n<p data-start=\"4565\" data-end=\"4684\">F\u00f6r att s\u00e4kerst\u00e4lla enhetlighet och enhetskompatibilitet genomg\u00e5r varje wafer strikta kvalitetskontrollprocesser, inklusive:<\/p>\n<ul data-start=\"4686\" data-end=\"4997\">\n<li data-section-id=\"1458qbn\" data-start=\"4686\" data-end=\"4746\">R\u00f6ntgendiffraktion (XRD) f\u00f6r utv\u00e4rdering av kristallstruktur<\/li>\n<li data-section-id=\"18tpu9z\" data-start=\"4747\" data-end=\"4814\">Atomic Force Microscopy (AFM) f\u00f6r m\u00e4tning av ytj\u00e4mnhet<\/li>\n<li data-section-id=\"d0tbx4\" data-start=\"4815\" data-end=\"4882\">Fotoluminescens (PL)-kartl\u00e4ggning f\u00f6r analys av defektf\u00f6rdelning<\/li>\n<li data-section-id=\"192mx5h\" data-start=\"4883\" data-end=\"4939\">Optisk inspektion under h\u00f6gintensiv belysning<\/li>\n<li data-section-id=\"nltw7\" data-start=\"4940\" data-end=\"4997\">Geometrisk inspektion (b\u00f6jning, skevhet, tjockleksvariation)<\/li>\n<\/ul>\n<p data-start=\"4999\" data-end=\"5095\">Dessa inspektioner s\u00e4kerst\u00e4ller skivans stabilitet f\u00f6r epitaxial tillv\u00e4xt och tillverkning av enheter i efterf\u00f6ljande led.<\/p>\n<h2 data-section-id=\"1344z7h\" data-start=\"5102\" data-end=\"5115\">F\u00f6rdelar<\/h2>\n<p data-start=\"5117\" data-end=\"5177\">Plattformen med 6-tums SiC-wafers erbjuder flera viktiga f\u00f6rdelar:<\/p>\n<ul data-start=\"5179\" data-end=\"5512\">\n<li data-section-id=\"158oj8v\" data-start=\"5179\" data-end=\"5233\">Wafer-storlek enligt industristandard f\u00f6r massproduktion<\/li>\n<li data-section-id=\"108qfmr\" data-start=\"5234\" data-end=\"5293\">Minskad kostnad per enhet tack vare h\u00f6gre waferutnyttjande<\/li>\n<li data-section-id=\"10czy6p\" data-start=\"5294\" data-end=\"5352\">H\u00f6g kompatibilitet med epitaxi- och enhetsprocesser<\/li>\n<li data-section-id=\"1eclhbg\" data-start=\"5353\" data-end=\"5410\">L\u00e5g defektdensitet (optimerad f\u00f6r kraftaggregat)<\/li>\n<li data-section-id=\"13oslub\" data-start=\"5411\" data-end=\"5456\">Stabila elektriska och termiska prestanda<\/li>\n<li data-section-id=\"e2lef4\" data-start=\"5457\" data-end=\"5512\">L\u00e4mplig f\u00f6r b\u00e5de FoU och storskalig tillverkning<\/li>\n<\/ul>\n<h2 data-section-id=\"rnyyeg\" data-start=\"5519\" data-end=\"5543\">Anpassningsalternativ<\/h2>\n<p data-start=\"5545\" data-end=\"5613\">Vi st\u00f6der flexibel anpassning baserat p\u00e5 applikationskrav:<\/p>\n<ul data-start=\"5615\" data-end=\"5853\">\n<li data-section-id=\"1s9j489\" data-start=\"5615\" data-end=\"5654\">N-typ \/ semiisolerande substrat<\/li>\n<li data-section-id=\"1a5mkb2\" data-start=\"5655\" data-end=\"5690\">Justerbar koncentration av dopningsmedel<\/li>\n<li data-section-id=\"1qkr4i0\" data-start=\"5691\" data-end=\"5717\">Anpassade vinklar utanf\u00f6r axeln<\/li>\n<li data-section-id=\"um3e5a\" data-start=\"5718\" data-end=\"5751\">Epi-klar ytbehandling<\/li>\n<li data-section-id=\"7su7ry\" data-start=\"5752\" data-end=\"5809\">Gradering av defektdensitet (forskning vs produktionskvalitet)<\/li>\n<li data-section-id=\"1rllfkp\" data-start=\"5810\" data-end=\"5853\">Anpassning av tjocklek och resistivitet<\/li>\n<\/ul>\n<h2 data-section-id=\"11wdcdx\" data-start=\"71\" data-end=\"88\">VANLIGA FR\u00c5GOR<\/h2>\n<p data-start=\"90\" data-end=\"502\"><strong data-start=\"90\" data-end=\"162\">F1: Varf\u00f6r \u00e4r 4H-SiC att f\u00f6redra framf\u00f6r andra SiC-polytyper som 6H-SiC?<\/strong><br data-start=\"162\" data-end=\"165\" \/>4H-SiC ger h\u00f6gre elektronr\u00f6rlighet och l\u00e4gre on-resistans j\u00e4mf\u00f6rt med 6H-SiC, vilket g\u00f6r den mer l\u00e4mpad f\u00f6r h\u00f6gfrekventa och h\u00f6geffekts switchapplikationer. Det ger ocks\u00e5 b\u00e4ttre \u00f6vergripande prestandastabilitet i MOSFET- och effektdiodanordningar, vilket \u00e4r anledningen till att det har blivit den dominerande polytypen i kommersiell kraftelektronik.<\/p>\n<p data-start=\"509\" data-end=\"872\"><strong data-start=\"509\" data-end=\"573\">F2: Vad \u00e4r syftet med off-axis vinkeln i SiC wafers?<\/strong><br data-start=\"573\" data-end=\"576\" \/>Off-axis-vinkeln (typiskt 4\u00b0 mot ) inf\u00f6rs f\u00f6r att f\u00f6rb\u00e4ttra epitaxialskiktets kvalitet under CVD-tillv\u00e4xt. Det hj\u00e4lper till att undertrycka ytdefekter som stegbunching och fr\u00e4mjar stegfl\u00f6destillv\u00e4xtl\u00e4ge, vilket resulterar i b\u00e4ttre kristalluniformitet och h\u00f6gre enhetsutbyte i epitaxiella strukturer.<\/p>\n<p data-start=\"879\" data-end=\"1229\"><strong data-start=\"879\" data-end=\"958\">F3: Vilka faktorer p\u00e5verkar mest SiC-wafer-kvalitet f\u00f6r tillverkning av enheter?<\/strong><br data-start=\"958\" data-end=\"961\" \/>Viktiga faktorer \u00e4r mikror\u00f6rst\u00e4thet, BPD-niv\u00e5er (basal plane dislocation), ytj\u00e4mnhet (Ra och CMP-kvalitet) och waferb\u00f6jning\/warp. Bland dessa har defektt\u00e4thet och ytkvalitet den mest direkta inverkan p\u00e5 MOSFET-tillf\u00f6rlitligheten och enhetens l\u00e5ngsiktiga prestanda.<\/p>\n<p data-start=\"6178\" data-end=\"6420\">","protected":false},"excerpt":{"rendered":"<p data-start=\"5875\" data-end=\"6176\">Den 6-tums 4H-N kiselkarbidskivan \u00e4r ett viktigt material f\u00f6r modern kraftelektronik. Kombinationen av breda bandgapsegenskaper, h\u00f6g v\u00e4rmeledningsf\u00f6rm\u00e5ga och robust kristallstabilitet g\u00f6r det n\u00f6dv\u00e4ndigt f\u00f6r h\u00f6geffektiva energiomvandlingssystem och n\u00e4sta generations halvledarkomponenter.<\/p>\n<p data-start=\"6178\" data-end=\"6420\">Med den snabba utvecklingen av elfordon, infrastruktur f\u00f6r f\u00f6rnybar energi och industriell automation f\u00f6rv\u00e4ntas SiC-baserade enheter forts\u00e4tta att ers\u00e4tta traditionella kiselteknologier i h\u00f6geffekts- och h\u00f6geffektiva applikationer.<\/p>","protected":false},"featured_media":2192,"comment_status":"open","ping_status":"closed","template":"","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":"default","adv-header-id-meta":"","stick-header-meta":"default","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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