Kapangidwe ka SiCOI ka subatrate ka 4inch 6inch HPSI SiC SiO2 Si

SiCOI wafer 4inch 6inch HPSI SiC SiO2 Si subatrate kapangidwe kake Chithunzi Chowonetsedwa

Kufotokozera Kwachidule:

Pepala ili likuwonetsa mwachidule ma wafer a Silicon Carbide-on-Insulator (SiCOI), makamaka kuyang'ana kwambiri ma substrate a mainchesi 4 ndi mainchesi 6 okhala ndi zigawo za high-purity semi-insulating (HPSI) silicon carbide (SiC) zomwe zimalumikizidwa pa zigawo za silicon dioxide (SiO₂) zoteteza pamwamba pa zigawo za silicon (Si). Kapangidwe ka SiCOI kamaphatikiza mphamvu zamagetsi, kutentha, ndi makina a SiC ndi ubwino wamagetsi wodzipatula wa gawo la oxide ndi chithandizo chamakina cha gawo la silicon. Kugwiritsa ntchito HPSI SiC kumawonjezera magwiridwe antchito a chipangizocho pochepetsa kuyendetsa kwa substrate ndikuchepetsa kutayika kwa parasitic, zomwe zimapangitsa ma wafer awa kukhala abwino kwambiri pakugwiritsa ntchito ma semiconductor amphamvu kwambiri, pafupipafupi kwambiri, komanso kutentha kwambiri. Njira yopangira, mawonekedwe azinthu, ndi ubwino wa kapangidwe ka makonzedwe a multilayer awa akukambidwa, kugogomezera kufunika kwake ku zamagetsi zamagetsi ndi ma microelectromechanical systems (MEMS) a m'badwo wotsatira. Kafukufukuyu akuyerekezanso makhalidwe ndi ntchito zomwe zingatheke za ma wafer a SiCOI a mainchesi 4 ndi mainchesi 6, kuwonetsa kuthekera kwa kukula ndi kuphatikiza kwa zida zapamwamba za semiconductor.

Tumizani imelo kwa ife

Mawonekedwe

Kapangidwe ka SiCOI wafer

HPB (High-Performance Bonding) BIC (Bonded Integrated Circuit) ndi SOD (Silicon-on-Diamond kapena ukadaulo wofanana ndi Silicon-on-Insulator). Zimaphatikizapo:

Ziwerengero za Magwiridwe Antchito:

Imalemba magawo monga kulondola, mitundu ya zolakwika (monga, "Palibe cholakwika," "Mtengo wautali"), ndi muyeso wa makulidwe (monga, "Kukhuthala kwa Direct-Layer/kg").

Tebulo lokhala ndi manambala (mwina oyesera kapena magawo a njira) pansi pa mitu monga "ADDR/SYGBDT," "10/0," ndi zina zotero.

Deta ya Kukhuthala kwa Zigawo:

Zolemba zambiri zobwerezabwereza zolembedwa kuti "L1 Thickness (A)" mpaka "L270 Thickness (A)" (mwina mu Ångströms, 1 Å = 0.1 nm).

Imapereka lingaliro la kapangidwe ka zigawo zambiri kokhala ndi makulidwe olondola a gawo lililonse, lomwe limapezeka kwambiri mu ma wafer apamwamba a semiconductor.

Kapangidwe ka SiCOI Wafer

SiCOI (Silicon Carbide on Insulator) ndi kapangidwe kapadera ka wafer komwe kamaphatikiza silicon carbide (SiC) ndi wosanjikiza woteteza kutentha, wofanana ndi SOI (Silicon-on-Insulator) koma wokonzedwa bwino kuti ugwiritsidwe ntchito pamphamvu kwambiri/kutentha kwambiri. Zinthu zazikulu:

Kapangidwe ka Zigawo:

Gawo Lapamwamba: Silikoni Carbide Yopangidwa ndi kristalo imodzi (SiC) yothandiza kuti ma elekitironi aziyenda bwino komanso kuti kutentha kukhale kolimba.

Chosungira Chobisika: Kawirikawiri SiO₂ (oxide) kapena diamondi (mu SOD) kuti achepetse mphamvu ya parasitic ndikuwonjezera kudzipatula.

Gawo Loyambira: Silicon kapena polycrystalline SiC yothandizira makina

Kapangidwe ka SiCOI wafer

Katundu Wamagetsi Chingwe Chokulirapo (3.2 eV ya 4H-SiC): Chimathandizira magetsi owonongeka kwambiri (>10× kuposa silicon). Chimachepetsa mafunde otuluka, ndikuwonjezera magwiridwe antchito a zida zamagetsi.

Kuyenda Kwambiri kwa Ma Electron:~900 cm²/V·s (4H-SiC) poyerekeza ndi ~1,400 cm²/V·s (Si), koma magwiridwe antchito abwino kwambiri.

Kusagwira Ntchito Kwambiri:Ma transistors okhala ndi SiCOI (monga ma MOSFET) amawonetsa kutayika kochepa kwa conduction.

Kuteteza Kwabwino Kwambiri:Okisidi wobisika (SiO₂) kapena wosanjikiza wa diamondi umachepetsa mphamvu ya parasitic ndi crosstalk.

Katundu wa KutenthaKutentha Kwambiri: SiC (~490 W/m·K ya 4H-SiC) vs. Si (~150 W/m·K). Daimondi (ngati igwiritsidwa ntchito ngati chotetezera kutentha) imatha kupitirira 2,000 W/m·K, zomwe zimapangitsa kuti kutentha kusamayende bwino.

Kukhazikika kwa Kutentha:Imagwira ntchito moyenera pa >300°C (motsutsana ndi ~150°C ya silicon). Imachepetsa kufunikira koziziritsa mu zamagetsi zamagetsi.

3. Katundu wa Makina ndi MankhwalaKulimba Kwambiri (~9.5 Mohs): Simawonongeka, zomwe zimapangitsa SiCOI kukhala yolimba m'malo ovuta.

Kusagwira Ntchito kwa Mankhwala:Imalimbana ndi kukhuthala ndi dzimbiri, ngakhale mutakhala ndi asidi/alkaline.

Kuwonjezeka kwa Kutentha Kochepa:Zimagwirizana bwino ndi zinthu zina zotentha kwambiri (monga GaN).

4. Ubwino wa Kapangidwe (motsutsana ndi Bulk SiC kapena SOI)

Kutayika kwa Substrate Kochepa:Chotchingira kutentha chimaletsa kutuluka kwa mphamvu yamagetsi mu substrate.

Kugwira Ntchito Kwabwino kwa RF:Kuchepa kwa mphamvu ya parasitic kumalola kusintha mwachangu (kothandiza pazida za 5G/mmWave).

Kapangidwe Kosinthasintha:Chovala chapamwamba cha SiC chopyapyala chimalola kukulitsa bwino kwa chipangizo (monga, njira zopyapyala kwambiri mu ma transistors).

Kuyerekeza ndi SOI ndi Bulk SiC

Katundu	SiCOI	SOI (Si/SiO₂/Si)	SiC Yochuluka
Chingwe cholumikizira	3.2 eV (SiC)	1.1 eV (Si)	3.2 eV (SiC)
Kutentha kwa Matenthedwe	Wapamwamba (SiC + diamondi)	Yotsika (SiO₂ imachepetsa kutentha)	High (SiC yokha)
Kugawanika kwa Volti	Pamwamba Kwambiri	Wocheperako	Pamwamba Kwambiri
Mtengo	Zapamwamba	Pansi	Yapamwamba kwambiri (SiC yoyera)

Kugwiritsa ntchito kwa SiCOI wafer

Zamagetsi Zamagetsi
Ma wafer a SiCOI amagwiritsidwa ntchito kwambiri pazida zamagetsi amphamvu kwambiri komanso zamagetsi monga ma MOSFET, ma Schottky diode, ndi ma switch amphamvu. Mpata waukulu wa bandgap ndi voltage yayikulu ya SiC zimathandiza kusintha mphamvu moyenera komanso kuchepetsa kutayika komanso kutentha kwambiri.

Zipangizo za Ma Radio Frequency (RF)
Chitsulo choteteza kutentha mu ma wafer a SiCOI chimachepetsa mphamvu ya parasitic, zomwe zimapangitsa kuti zikhale zoyenera ma transistors ndi ma amplifier apamwamba omwe amagwiritsidwa ntchito muukadaulo wapa telefoni, radar, ndi 5G.

Machitidwe a Microelectromechanical (MEMS)
Ma wafer a SiCOI amapereka nsanja yolimba yopangira masensa a MEMS ndi ma actuator omwe amagwira ntchito modalirika m'malo ovuta chifukwa cha kulephera kwa mankhwala a SiC komanso mphamvu ya makina.

Zamagetsi Zotentha Kwambiri
SiCOI imalola zamagetsi zomwe zimasunga magwiridwe antchito ndi kudalirika kutentha kwambiri, zomwe zimathandiza magalimoto, ndege, ndi mafakitale komwe zida zachikhalidwe za silicon zimalephera.

Zipangizo za Photonic ndi Optoelectronic
Kuphatikiza kwa mphamvu za kuwala za SiC ndi gawo lotetezera kutentha kumathandiza kuphatikiza ma circuits a photonic ndi kayendetsedwe kabwino ka kutentha.

Zamagetsi Zolimba ndi Radiation
Chifukwa cha kulekerera kwachilengedwe kwa kuwala kwa SiC, ma wafer a SiCOI ndi abwino kwambiri pakugwiritsa ntchito malo ndi zida za nyukiliya zomwe zimafuna zida zomwe zimapirira malo omwe ali ndi kuwala kwamphamvu.

Mafunso ndi Mayankho a SiCOI wafer

Q1: Kodi chidebe cha SiCOI ndi chiyani?

A: SiCOI imayimira Silicon Carbide-on-Insulator. Ndi kapangidwe ka semiconductor wafer komwe kagawo kakang'ono ka silicon carbide (SiC) kamalumikizidwa pa kagawo koteteza kutentha (kawirikawiri silicon dioxide, SiO₂), komwe kamathandizidwa ndi silicon substrate. Kapangidwe kameneka kamaphatikiza mawonekedwe abwino a SiC ndi kulekanitsidwa kwa magetsi ndi insulator.

Q2: Kodi ubwino waukulu wa ma wafer a SiCOI ndi uti?

A: Ubwino waukulu ndi monga magetsi ambiri owonongeka, bandgap yotakata, kutentha kwabwino kwambiri, kuuma kwa makina, komanso kuchepa kwa mphamvu ya parasitic chifukwa cha insulating layer. Izi zimapangitsa kuti chipangizocho chigwire bwino ntchito, chigwire bwino ntchito, komanso chikhale chodalirika.

Q3: Kodi ma wafer a SiCOI amagwiritsidwa ntchito bwanji nthawi zambiri?

A: Amagwiritsidwa ntchito mu zamagetsi zamagetsi, zida za RF zama frequency apamwamba, masensa a MEMS, zamagetsi zamagetsi otentha kwambiri, zida za photonic, ndi zamagetsi zolimba ndi ma radiation.