Khoom Description
Silicon carbide (SiC), raws li cov khoom siv uas tsis yog-oxidizing ceramic, ua haujlwm tseem ceeb hauv ntau qhov kev tshawb fawb thiab thev naus laus zis. Tshooj lus no tham txog cov yam ntxwv tseem ceeb ntawm silicon carbide lub hom phiaj hauv kev nthuav dav, los ntawm nws cov khoom siv tshuaj thiab lub cev, cov txheej txheem kev npaj, mus rau kev tshuaj xyuas zoo ntawm cov ntsuas ntsuas ntsuas, txhawm rau nkag siab tag nrho nws cov txiaj ntsig tseem ceeb hauv kev ua haujlwm siab.
Lub cev muaj zog
Thermal conductivity: Silicon carbide muaj cov thermal conductivity siab heev ntawm 300-490 W/mK, uas ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev siv cov khoom siv hluav taws xob siab, xws li cov cua kub dissipation txheej hauv cov khoom hluav taws xob hluav taws xob.
Hardness: Nws Mohs hardness tuaj yeem ncav cuag 9-10, ze rau pob zeb diamond, ua rau nws zoo heev nyob rau hauv ib puag ncig abrasive thiab haum raws li cov cuab yeej abrasive thiab txiav.
Corrosion tsis kam: Silicon carbide tuaj yeem tiv taus kev yaig ntawm cov kua qaub thiab alkalis, ua rau nws tsim nyog siv los ua cov khoom siv hauv ob sab phlu rau cov tshuaj reactors, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias ib puag ncig.
Siv thaj chaw ntawm silicon carbide lub hom phiaj
A. Semiconductor kev lag luam
Silicon carbide lub hom phiaj feem ntau yog siv hauv kev lag luam semiconductor los tsim cov khoom siv silicon-based thiab non-silicon-based semiconductor li. Silicon carbide lub hom phiaj ua si lub luag haujlwm tsis tuaj yeem hloov pauv hauv kev tsim cov khoom siv hluav taws xob nrog kev kub siab ua haujlwm thiab cov yam ntxwv siab zaus.
Nyias films npaj los ntawm lub cev vapor deposition (PVD) los yog tshuaj vapor deposition (CVD) technology siv silicon carbide lub hom phiaj muaj siab conductivity thiab kub kub kuj. Cov yeeb yaj kiab no yog cov khoom tseem ceeb hauv cov khoom siv hluav taws xob muaj zog thiab cov khoom siv hluav taws xob siab.
Silicon carbide lub hom phiaj tseem siv los tsim cov khoom siv hluav taws xob semiconductor xws li insulated gate bipolar transistors (IGBTs) thiab hlau oxide semiconductor field effect transistors (MOSFETs), uas yog lub hauv paus ntawm kev hloov hluav taws xob niaj hnub thiab kev tswj hwm.
B. Optoelectronics
Silicon carbide lub hom phiaj yog siv los tsim cov LEDs thiab lasers. Nws cov khoom kho qhov muag zoo heev ua rau nws txoj haujlwm tseem ceeb hauv cov khoom lag luam optoelectronic.
Hauv kev tsim LED, silicon carbide lub hom phiaj tuaj yeem muab cov khoom tsim nyog rau kev tso lub teeb-emitting txheej, thiab nws cov thermal stability thiab electron txav tau yog qhov tseem ceeb rau kev txhim kho qhov ci thiab kev ua haujlwm ntawm LEDs.
Nyob rau hauv lub tshav pob ntawm lasers, high-purity films tsim siv silicon carbide lub hom phiaj tuaj yeem txhim kho kev ua haujlwm ntawm lasers, tshwj xeeb tshaj yog nyob rau hauv high-power applications.
C. Hnub Ci Kev Lag Luam
Silicon carbide lub hom phiaj yog siv los ua cov khoom siv substrate los tsim cov hnub ci hauv lub hnub ci kev lag luam.
Lub hnub ci hlwb siv silicon carbide substrates tau txais kev pom zoo rau lawv cov kev hloov pauv photoelectric siab, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov khoom siv hnub ci nyias nyias, qhov uas silicon carbide muab cov cua sov zoo dua thiab kev ruaj ntseg.
Silicon carbide lub hom phiaj tuaj yeem txo cov nqi tsim khoom thiab txhim kho kev ua haujlwm ntev ntawm cov hlwb los ntawm kev muab cov thermal conductivity ntau dua thiab tshuaj lom neeg ruaj khov.
D. Advanced ceramics thiab corrosion-resistant coatings
Application Overview:
Silicon carbide lub hom phiaj ua lub luag haujlwm tseem ceeb hauv kev tsim cov ceramics siab heev thiab corrosion-resistant coatings rau huab cua puag ncig (xws li kub thiab kub siab).
Cov ntaub ntawv no feem ntau siv hauv aerospace, automotive manufacturing thiab chemical industries. Silicon carbide lub siab hardness thiab kub tsis kam ua rau nws yog ib qho zoo tagnrho cov khoom siv, uas tuaj yeem ua tau zoo rau kev pab cuam lub neej ntawm cov khoom siv tshuab.
Cim npe nrov: silicon carbide (sic) sputtering phiaj, Tuam Tshoj silicon carbide (sic) sputtering phiaj lwm tus neeg, hoobkas
