Cov khoom lag luam tseem ceeb txawv teb chaws tau ua tiav qhov kev hloov pauv ntawm 4-inch mus rau 6-inch

Cov khoom lag luam tseem ceeb txawv teb chaws tau ua tiav qhov kev hloov pauv ntawm 4-inch mus rau 6-inch

Vim li cas lawv thiaj tuaj yeem tuav tau ntau lub khw? Qhov laj thawj tseem ceeb yog vim li cas feem ntau ntawm cov tuam txhab no tau txais cov qauv IDM, xws li Korui, Rom, thiab lwm lub tuam txhab uas tsim cov khoom siv hauv lawv cov chaw tsim khoom thiab muag lawv raws li lawv tus kheej hom, npog tag nrho kev lag luam saw ntawm silicon carbide substrates, epitaxial wafers. , cov cuab yeej tsim thiab kev tsim khoom, uas tuaj yeem txhim kho tus nqi tswj tau zoo dua thiab txhim kho kev tswj cov khoom siv tes ua. Zuag qhia tag nrho, IDM qauv yog haum rau SiC.

Txawm hais tias IDMs tseem yuav ua tus thawj coj, tseem muaj chaw rau kev txhim kho rau fabless thiab cov chaw tsim khoom. Qhov tseeb, qee lub tuam txhab tsis muaj wafer fabs tau pib siv cov chaw tsim khoom los tsim cov khoom. Raghunathan los ntawm KLA ib zaug hais tias, "Cov qauv wafer pub dawb pub rau cov lag luam pib thiab cov tuam txhab me me los sim lawv cov khoom yam tsis muaj peev txheej tseem ceeb hauv cov txheej txheem txheej txheem. Ntawm qhov tsis sib xws, cov chaw tsim khoom wafer tsoos khaws qhov zoo ntawm kev ua cov tswv yim xaiv rau cov neeg siv khoom loj. Ob qho qauv yog leveraging lawv qhov zoo sib xws los pab rau ntau yam kev xav tau ntawm thaj chaw muaj kev lag luam tam sim no thiab nrhiav txoj hauv kev los ua ke. "

Piv nrog rau cov tuam txhab txawv teb chaws loj, SiC hauv tsev tau pib lig, thiab tam sim no tseem muaj qhov sib txawv ntawm qee qhov piv rau cov tuam txhab xws li Tebchaws Meskas, Tebchaws Europe, thiab Nyij Pooj. Tab sis los ntawm kev xav ntawm tag nrho cov kev lag luam saw, piv rau ntiaj teb no-chav kawm technology, peb nyob rau theem ntawm li tsib xyoos dhau los, thiab lub sij hawm no sib txawv yog maj mam nqaim, nrog rau ib co kev sib txuas thev naus laus zis txawm nce mus txog ib sab.

Tshwj xeeb, nyob rau hauv cov nqe lus ntawm SiC substrates, mainstream khoom txawv teb chaws tau ua tiav qhov kev hloov ntawm 4-inch mus rau 6-inch thiab tau ntse tsim 8-inch SiC substrates; Kev ua lag luam hauv tsev SiC tam sim no tau tswj hwm los ntawm 4 ntiv tes, thaum 6 ntiv tes tseem nyob hauv txoj kev tshawb fawb thiab kev tsim kho, ua rau cov khoom lag luam qis. Ib qho laj thawj tseem ceeb rau tus nqi siab ntawm SiC cov cuab yeej yog tus nqi siab ntawm cov substrates. Tam sim no, tus nqi ntawm cov substrates yog kwv yees li 50% ntawm kev ua cov chips. SiC substrates tsis tsuas yog kim, tab sis kuj muaj cov txheej txheem ntau lawm. Piv rau silicon, silicon carbide yog qhov nyuaj rau txheej txheem, zom, thiab sawn, ua rau muaj teeb meem loj. Yog li feem ntau ntawm lawv yuav cov substrates los ntawm Corus, Rom, lossis lwm tus neeg xa khoom.

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