Lub Thunderous Silicon Carbide

Nyob rau hauv ob xyoos dhau los, lub thib peb tiam semiconductor khoom silicon carbide (SiC) tshuab nrov heev, zoo li xob quaj. Xyoo tas los, qee qhov xov xwm yuav yog 2021 li "silicon carbide tawg xyoo". Xyoo no, muaj cov neeg yuav yog 2022 li "silicon carbide fais fab nti daim ntaub ntawv ntawm lub xyoo tshiab", kuv tsis paub tias xyoo tom ntej yuav tuaj yeem tuaj nrog cov lus hais tshiab (ntawm no xa mus rau "21st caug xyoo yog lub xyoo pua. biology"). Lub lag luam peev kuj yog cua, thiab silicon carbide rubbing me ntsis ntug ntawm cov ntsiab lus yog rocketing.

SiC yog cov khoom tsim nyog tshaj plaws rau cov khoom siv fais fab.

Cov khoom siv semiconductor muaj li ntawm silicon tau hloov peb lub neej, Kuv ntseeg tias yav tom ntej rau lub sijhawm ntev, silicon semiconductor tseem yuav yog qhov tseem ceeb. Thaum lub sij hawm tsim cov khoom siv silicon rau ntau xyoo lawm, qee qhov teeb meem tau ntsib, thiab ntau tus neeg tau sim hloov nws nrog cov khoom sib txawv. Cov ntaub ntawv semiconductor kuj tau tsim peb tiam. Silicon carbide yog lub cim thib peb ntawm cov khoom siv semiconductor. Raws li SiC muaj qhov dav txwv tsis pub band dav, uas ua rau cov khoom siv xws li kev tawg hluav taws xob siab zog. Tau txais txiaj ntsig los ntawm cov khoom siv ntawm SiC, SiC cov khoom siv hluav taws xob muaj qhov zoo xws li kev siv hluav taws xob siab, qhov me me, kev siv hluav taws xob tsawg, thiab kub tsis kam.

Qhov txiaj ntsig no feem ntau yog tshwm sim hauv cov khoom siv fais fab. Raws li cov yam ntxwv tau hais los saum no, tib qhov tshwj xeeb ntawm SiC-MOSFET piv rau Si-MOSFET, ntawm-kuj raug txo mus rau 1/200, qhov loj yog txo mus rau 1/10; tib qhov tshwj xeeb ntawm kev siv SiC-MOSFET inverter thiab kev siv Si-IGBT piv rau tag nrho lub zog poob yog tsawg dua 1/4.

Cov cuab yeej hluav taws xob yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob hauv kev lag luam hluav taws xob, dav siv hauv cov khoom siv hluav taws xob, hluav taws xob hloov hluav taws xob thiab kev tswj xyuas hluav taws xob thiab lwm yam kev lag luam, yog ib qho tseem ceeb ntawm cov khoom lag luam semiconductor hauv kev lag luam. Kev loj hlob sai ntawm lub zog tshiab tsheb rau cov khoom siv hluav taws xob tau coj qhov chaw dav rau kev txhim kho. Silicon carbide MOSFET los hloov silicon-based IGBT yog qhov sib txawv.

SiC-MOSFET muaj kev tiv thaiv qis thiab tsis tshua muaj kev hloov pauv, uas yog qhov tsim nyog rau daim ntawv thov hauv high-frequency circuits. Nyob rau hauv lub zog tshiab lub tsheb lub cev muaj zog tswj, tsheb fais fab mov, hnub ci inverter, them pawg, UPS thiab lwm yam kev lag luam muaj ntau yam kev siv.
Txog silicon carbide, peb tseem muaj ob peb lub ntsiab lus kom meej.

Ua ntej, SiC tsis yog tag nrho hloov pauv rau silicon. Qhov zoo ntawm silicon carbide yog qhov ua haujlwm siab, kub tsis kam, tsis muaj zog poob, tab sis cov txiaj ntsig zoo no tsis cuam tshuam rau cov khoom siv hluav taws xob. Ntawm qhov tsis sib xws, SiC wafers nyuaj rau kev npaj, tus nqi siab dhau lawm, thiab etching nyuaj, yog li nws tsis tuaj yeem hloov cov khoom siv silicon.

Thib ob, kev ua tau zoo ntawm silicon carbide thiab gallium nitride muaj lawv tus kheej tsom, thaj chaw sib txawv. SiC tsom mus rau high-voltage, GaN tsom rau high-frequency, ob cov ntaub ntawv tsis muaj ntau yam kev sib tw, thiab daim ntawv thov scenarios tsis zoo ib yam.

Tsis tas li ntawd, txawm tias SiC qhov zoo tshaj plaws - cov khoom siv hluav taws xob, SiC tsis yog qhov tseem ceeb, silicon-based IGBT tsis tuaj yeem siv.

Shengyang New Materials Co., Ltd. tau cog lus los ua silicon carbide thiab silicon carbide ua cov khoom, thiab tuaj yeem kho ntau yam silicon carbide cov khoom raws li cov neeg siv khoom xav tau. Yog tias tsim nyog, thov hu rau peb.
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