{"id":265,"date":"2024-04-26T03:09:49","date_gmt":"2024-04-25T19:09:49","guid":{"rendered":"https:\/\/2024yy.com\/?p=265"},"modified":"2024-04-26T03:09:49","modified_gmt":"2024-04-25T19:09:49","slug":"advantages-of-silicon-carbide-wafers","status":"publish","type":"post","link":"https:\/\/2024yy.com\/sk\/advantages-of-silicon-carbide-wafers\/","title":{"rendered":"V\u00fdhody pl\u00e1tkov z karbidu krem\u00edka"},"content":{"rendered":"

Krem\u00edk z kremi\u010dit\u00e9ho piesku v kombin\u00e1cii s uhl\u00edkom z uhlia poskytuje v\u00fdnimo\u010dn\u00fd materi\u00e1l: karbid krem\u00edka (SiC). Substr\u00e1ty SiC s\u00fa hnacou silou technologick\u00e9ho pokroku v elektrick\u00fdch vozidl\u00e1ch, sie\u0165ach 5G a \u010fal\u0161\u00edch.<\/p>\n

V\u00fdroba SiC do\u0161ti\u010diek si vy\u017eaduje sofistikovan\u00e9 technol\u00f3gie a hlbok\u00e9 odborn\u00e9 znalosti a v\u00fdrobcovia sa musia sna\u017ei\u0165 o zv\u00fd\u0161enie v\u00fd\u0165a\u017enosti a spo\u013eahlivosti po\u010das v\u00fdrobn\u00fdch procesov.<\/p>\n

Tvrdos\u0165<\/h2>\n

Karbid krem\u00edka (SiC) je v\u00fdnimo\u010dne tvrd\u00fd, odoln\u00fd neoxidov\u00fd keramick\u00fd materi\u00e1l s nieko\u013ek\u00fdmi v\u00fdhodn\u00fdmi vlastnos\u0165ami. Patr\u00ed medzi ne odolnos\u0165 vo\u010di kor\u00f3zii, oteru a opotrebovaniu, zachovanie pevnosti a h\u00fa\u017eevnatosti pri vysok\u00fdch teplot\u00e1ch, dobr\u00e1 tepeln\u00e1 vodivos\u0165 a n\u00edzky koeficient tepelnej roz\u0165a\u017enosti - vlastnosti, ktor\u00e9 robia zo SiC vynikaj\u00faci substr\u00e1tov\u00fd materi\u00e1l pre v\u00fdkonn\u00e9 polovodi\u010dov\u00e9 zariadenia.<\/p>\n

SiC je univerz\u00e1lny z\u00e1kladn\u00fd polovodi\u010dov\u00fd materi\u00e1l, ktor\u00fd mo\u017eno dopova\u0165 dus\u00edkom a fosforom, aby sa vytvoril polovodi\u010d typu n, alebo ber\u00fdliom, b\u00f3rom, hlin\u00edkom a g\u00e1liom, aby sa vytvoril polovodi\u010d typu p. Karbid krem\u00edka alfa (alfa SiC) s hexagon\u00e1lnou kry\u0161t\u00e1lovou \u0161trukt\u00farou podobnou wurtzitu sa \u010dasto vol\u00ed v automobilov\u00fdch meni\u010doch, preto\u017ee umo\u017e\u0148uje v\u00fdrobn\u00e9 procesy so zn\u00ed\u017eenou teplotou a z\u00e1rove\u0148 sp\u013a\u0148a po\u017eiadavky na v\u00fdkon a spo\u013eahlivos\u0165 meni\u010dov pre elektrick\u00e9 vozidl\u00e1.<\/p>\n

SiC je efekt\u00edvna alternat\u00edva krem\u00edka, ktor\u00e1 sa vyzna\u010duje v\u00e4\u010d\u0161ou p\u00e1smovou medzerou a ni\u017e\u0161\u00edm odporom zapnutia, \u010do umo\u017e\u0148uje vy\u0161\u0161iu r\u00fdchlos\u0165 sp\u00ednania a vy\u0161\u0161iu \u00fa\u010dinnos\u0165, \u010do s\u00fa z\u00e1kladn\u00e9 komponenty modernej v\u00fdkonovej elektroniky. Okrem toho sa SiC m\u00f4\u017ee pochv\u00e1li\u0165 vynikaj\u00facimi elektrick\u00fdmi vlastnos\u0165ami a vysokou odolnos\u0165ou vo\u010di elektromagnetick\u00fdm poruch\u00e1m, ktor\u00e9 by inak mohli po\u0161kodi\u0165 jeho povrch.<\/p>\n

Tepeln\u00e1 vodivos\u0165<\/h2>\n

Karbid krem\u00edka m\u00e1 vynikaj\u00facu tepeln\u00fa vodivos\u0165, \u010do z neho rob\u00ed vynikaj\u00faci materi\u00e1l pre vysoko v\u00fdkonn\u00e9\/vysokofrekven\u010dn\u00e9 zariadenia. Okrem toho t\u00e1to vlastnos\u0165 a vysok\u00e1 tvrdos\u0165 materi\u00e1lu a \u0161irok\u00fd p\u00e1sov\u00fd odstup umo\u017e\u0148uj\u00fa karbidu krem\u00edka odol\u00e1va\u0165 vy\u0161\u0161\u00edm nap\u00e4tiam a teplot\u00e1m ako tradi\u010dn\u00e9 polovodi\u010dov\u00e9 materi\u00e1ly.<\/p>\n

Tepeln\u00e9 vlastnosti SiC s\u00fa dan\u00e9 predov\u0161etk\u00fdm jeho at\u00f3movou \u0161trukt\u00farou. M\u00e1 kubick\u00fa jednotkov\u00fa bunku usporiadan\u00fa s vrstvami krem\u00edka a uhl\u00edka striedavo navrstven\u00fdmi pozd\u013a\u017e osi c, \u010do vytv\u00e1ra izotropn\u00e9 elektrick\u00e9 a tepeln\u00e9 vlastnosti konzistentn\u00e9 vo v\u0161etk\u00fdch smeroch. Okrem toho sa SiC m\u00f4\u017ee vyr\u00e1ba\u0165 aj v r\u00f4znych polytypoch v z\u00e1vislosti od konkr\u00e9tnych potrieb aplik\u00e1cie; to, pre ktor\u00fd polytyp sa rozhodnete, z\u00e1vis\u00ed v\u00fdlu\u010dne od toho, ak\u00e9 polytypy sa vyr\u00e1baj\u00fa.<\/p>\n

SiC vynik\u00e1 ako alternat\u00edvny materi\u00e1l v\u010faka svojej \u0161irokej p\u00e1smovej medzere, ktor\u00e1 umo\u017e\u0148uje v\u00e4\u010d\u0161iu hustotu v\u00fdkonu a vy\u0161\u0161iu r\u00fdchlos\u0165 sp\u00ednania, ako aj ni\u017e\u0161\u00ed odpor pri zapnut\u00ed a energetick\u00fa \u00fa\u010dinnos\u0165 - vlastnosti, ktor\u00e9 ho robia ide\u00e1lnym pre vysokonap\u00e4\u0165ov\u00e9 zariadenia, ako je v\u00fdkonov\u00e1 elektronika.<\/p>\n

V\u00fdroba vysokokvalitn\u00fdch pl\u00e1tkov karbidu krem\u00edka je \u010dasto n\u00e1ro\u010dnou v\u00fdzvou vzh\u013eadom na jeho zlo\u017eit\u00fa at\u00f3mov\u00fa \u0161trukt\u00faru, pri\u010dom po\u010das procesov rezania a povrchovej \u00fapravy sa \u010dasto objavuj\u00fa defekty - probl\u00e9m, ktor\u00fd by mohol zn\u00ed\u017ei\u0165 v\u00fdkon zariadenia. Rozsiahla hist\u00f3ria spolo\u010dnosti Pureon v oblasti polovodi\u010dov a sk\u00fasenosti s v\u00fdrobou krem\u00edkovo-karbidov\u00fdch do\u0161ti\u010diek n\u00e1m umo\u017enili pr\u00eds\u0165 s \u00fa\u010dinn\u00fdmi rie\u0161eniami, ktor\u00e9 n\u00e1m umo\u017e\u0148uj\u00fa \u00faspe\u0161ne prekon\u00e1va\u0165 tak\u00e9to prek\u00e1\u017eky.<\/p>\n

Odolnos\u0165 vo\u010di vysok\u00e9mu nap\u00e4tiu<\/h2>\n

Karbid krem\u00edka vydr\u017e\u00ed viac ako dvojn\u00e1sobok prierazn\u00e9ho nap\u00e4tia tradi\u010dn\u00fdch krem\u00edkov\u00fdch polovodi\u010dov v\u010faka \u0161irokej medzere v p\u00e1sme, ktor\u00e1 umo\u017e\u0148uje elektr\u00f3nom \u013eah\u0161\u00ed pohyb medzi valen\u010dn\u00fdm a vodivostn\u00fdm p\u00e1smom. V\u010faka tejto vlastnosti s\u00fa krem\u00edkovo-karbidov\u00e9 do\u0161ti\u010dky vhodn\u00e9 pre elektronick\u00e9 a energetick\u00e9 aplik\u00e1cie, preto\u017ee umo\u017e\u0148uj\u00fa r\u00fdchlej\u0161ie sp\u00ednanie, men\u0161ie zariadenia a ni\u017e\u0161ie v\u00fdrobn\u00e9 n\u00e1klady.<\/p>\n

Krem\u00edk (Si) m\u00e1 energetick\u00fa medzeru medzi 1,12 eV a 3,26 eV; SiC m\u00e1 e\u0161te \u0161ir\u0161iu p\u00e1smov\u00fa medzeru okolo 3,26 eV, v\u010faka \u010domu je SiC ove\u013ea r\u00fdchlej\u0161\u00ed a zmen\u0161uje ve\u013ekos\u0165 zariadenia t\u00fdm, \u017ee umo\u017e\u0148uje prenos v\u00e4\u010d\u0161ieho mno\u017estva energie naraz.<\/p>\n

S pokrokom 5G karbid krem\u00edka umo\u017e\u0148uje nov\u00e9 bezdr\u00f4tov\u00e9 \u010dipy s v\u00e4\u010d\u0161ou \u0161\u00edrkou p\u00e1sma a kapacitou prenosu d\u00e1t ako kedyko\u013evek predt\u00fdm. Musia sa vyu\u017e\u00edva\u0165 v\u00fdkonnej\u0161ie tranzistory a karbid krem\u00edka je v\u010faka vysokor\u00fdchlostn\u00e9mu prep\u00ednaniu na t\u00fato \u00falohu ide\u00e1lny.<\/p>\n

\u010eal\u0161ie vlastnosti karbidu krem\u00edka ho predur\u010duj\u00fa na vysokor\u00fdchlostn\u00e9, vysokoteplotn\u00e9 a vysokonap\u00e4\u0165ov\u00e9 aplik\u00e1cie vr\u00e1tane odolnosti vo\u010di teplotn\u00fdm \u0161okom. R\u00fdchle teplotn\u00e9 v\u00fdkyvy sp\u00f4sobuj\u00fa, \u017ee sa r\u00f4zne \u010dasti roz\u0165ahuj\u00fa a zmr\u0161\u0165uj\u00fa r\u00f4znou r\u00fdchlos\u0165ou, \u010do sp\u00f4sobuje praskanie alebo poruchy; karbid krem\u00edka v\u0161ak zost\u00e1va nepo\u0161koden\u00fd v\u010faka svojej n\u00edzkej tepelnej roz\u0165a\u017enosti.<\/p>\n

Odolnos\u0165 vo\u010di vysok\u00fdm teplot\u00e1m<\/h2>\n

Karbid krem\u00edka dobre zn\u00e1\u0161a vysok\u00e9 teploty a nap\u00e4tie, \u010do z neho rob\u00ed vynikaj\u00faci materi\u00e1l pre aplik\u00e1cie v\u00fdkonovej elektroniky. Zvl\u00e1dne vy\u0161\u0161ie prierazn\u00e9 nap\u00e4tie ako krem\u00edk a ni\u017e\u0161ie sp\u00ednacie straty pri vysok\u00fdch frekvenci\u00e1ch, zatia\u013e \u010do jeho \u0161irok\u00e1 p\u00e1smov\u00e1 medzera umo\u017e\u0148uje prev\u00e1dzku v \u0161ir\u0161om rozsahu tepl\u00f4t.<\/p>\n

Zariadenia na b\u00e1ze SiC priniesli revol\u00faciu do v\u00fdkonovej elektroniky a umo\u017enili vytvori\u0165 men\u0161ie a energeticky \u00fa\u010dinnej\u0161ie zariadenia. V\u010faka vysokej odolnosti vo\u010di zapnutiu a schopnosti odol\u00e1va\u0165 vysok\u00fdm \u00farovniam nap\u00e4tia sa v\u00fdborne hodia pre elektrick\u00e9 vozidl\u00e1 a syst\u00e9my obnovite\u013en\u00fdch zdrojov energie.<\/p>\n

Pevnos\u0165 a odolnos\u0165 karbidu krem\u00edka mu umo\u017e\u0148uje odol\u00e1va\u0165 extr\u00e9mnym podmienkam, ako s\u00fa vysok\u00e9 teploty alebo koroz\u00edvne prostredie, ako aj lisova\u0165 tepelne odoln\u00e9 komponenty pre elektrick\u00e9 aplik\u00e1cie, ako s\u00fa sveteln\u00e9 di\u00f3dy (LED) alebo detektory. Okrem toho je v\u010faka svojej pevnosti vhodn\u00fd na v\u00fdrobu n\u00e1bytku do pec\u00ed, ako s\u00fa ohniskov\u00e9 dosky, rekupera\u010dn\u00e9 r\u00fary, tla\u010dn\u00e9 dosky a klzn\u00e9 ko\u013eajnice.<\/p>\n

SiC mo\u017eno dopova\u0165 r\u00f4znymi pr\u00edmesami, aby sa zlep\u0161ili jeho elektrick\u00e9 vlastnosti, \u010d\u00edm sa vytvoria polovodi\u010de typu P, ak sa dopuje hlin\u00edkom, b\u00f3rom alebo g\u00e1liom; na druhej strane dopovanie dus\u00edkom a fosforom vedie k polovodi\u010dom typu N, \u010do umo\u017e\u0148uje vytv\u00e1ra\u0165 komplexn\u00e9 polovodi\u010dov\u00e9 zariadenia, ako s\u00fa Schottkyho bari\u00e9rov\u00e9 di\u00f3dy alebo MOSFETy so zn\u00ed\u017een\u00fdmi odpormi pri zapnut\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

Krem\u00edk z kremi\u010dit\u00e9ho piesku v kombin\u00e1cii s uhl\u00edkom z uhlia poskytuje v\u00fdnimo\u010dn\u00fd materi\u00e1l: karbid krem\u00edka (SiC). Substr\u00e1ty SiC s\u00fa hnacou silou technologick\u00e9ho pokroku v elektrick\u00fdch vozidl\u00e1ch, sie\u0165ach 5G a \u010fal\u0161\u00edch. V\u00fdroba SiC do\u0161ti\u010diek si vy\u017eaduje sofistikovan\u00e9 technol\u00f3gie a hlbok\u00e9 odborn\u00e9 znalosti a v\u00fdrobcovia sa musia sna\u017ei\u0165 o zv\u00fd\u0161enie v\u00fd\u0165a\u017enosti a spo\u013eahlivosti po\u010das v\u00fdrobn\u00fdch procesov. Tvrdos\u0165 karbidu krem\u00edka (SiC) je ...<\/p>\n

V\u00fdhody pl\u00e1tkov z karbidu krem\u00edka<\/span> \u010c\u00edtajte viac \"<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-265","post","type-post","status-publish","format-standard","hentry","category-product-related"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/posts\/265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/comments?post=265"}],"version-history":[{"count":1,"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/posts\/265\/revisions"}],"predecessor-version":[{"id":266,"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/posts\/265\/revisions\/266"}],"wp:attachment":[{"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/media?parent=265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/categories?post=265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2024yy.com\/sk\/wp-json\/wp\/v2\/tags?post=265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}