SiC Epitaxial Wafer ku bikoresho by'amashanyarazi – 4H-SiC, ubwoko bwa N, Ubucucike buke

Ibisobanuro bigufi:

SiC Epitaxial Wafer ni ingenzi mu bikoresho bigezweho bya semiconductor bifite imikorere myiza, cyane cyane ibyagenewe gukoreshwa mu bikorwa bifite ingufu nyinshi, frequency nyinshi, no mu bushyuhe bwinshi. Mu magambo make, SiC Epitaxial Wafer igizwe n'urwego rwo hejuru kandi rworoshye rwa SiC epitaxial rwakuriye hejuru y'ubutaka bunini bwa SiC. Ikoreshwa ry'ikoranabuhanga rya SiC Epitaxial Wafer riri kwiyongera cyane mu modoka zikoresha amashanyarazi, imiyoboro y'amashanyarazi, sisitemu z'ingufu zisubira, n'ikirere bitewe n'ubushobozi bwazo bwiza bw'umubiri n'ubw'ikoranabuhanga ugereranije n'udupira dusanzwe dukoresha silicon.

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Amahame yo gukora SiC Epitaxial Wafer

Gukora SiC Epitaxial Wafer bisaba uburyo bwo kugenzura cyane uburyo bwo gushyira umwuka mu kirere (CVD). Ubusanzwe urwego rwa epitaxial ruhingwa ku gice cya SiC cy’umutuku hakoreshejwe imyuka nka silane (SiH₄), propane (C₃H₈), na hydrogen (H₂) ku bushyuhe burenga 1500°C. Uku gukura kwa epitaxial mu bushyuhe bwinshi bitanga uburyo bwiza bwo guhuza neza urwego rwa epitaxial n’igice cyayo.

Iyi gahunda irimo ibyiciro byinshi by'ingenzi:

Gutegura igice cy'ubutaka: Agace k'ibanze ka SiC gasukurwa kandi gasukurwa neza kugira ngo gashobore kuba gafite uburyohe bwa atome.
Iterambere rya CVD: Mu cyuma gipima umwuka mwinshi, imyuka ikora kugira ngo ishyire urwego rwa SiC rw’ikirahure kimwe ku gice cy’ubutaka.
Kugenzura ikoreshwa ry'imiti igabanya ubukana bw'ibiyobyabwenge: Gukoresha imiti igabanya ubukana bwa N-type cyangwa P-type bishyirwa mu gihe cya epitaxy kugira ngo hagerwe ku miterere y'amashanyarazi yifuza.
Igenzura n'Ubumenyi bw'Ibintu: Mikroskopi y'amaso, AFM, na X-ray diffraction bikoreshwa mu kugenzura ubugari bw'urwego rw'inyuma, ingano y'imiti ikoreshwa mu gupima, n'ubucucike bw'ibisebe.

Buri SiC Epitaxial Wafer ikurikiranwa neza kugira ngo ikomeze kwihanganira ubugari bungana, ubugari bw'ubuso, no guhangana nabyo. Ubushobozi bwo kunoza ibi bipimo ni ingenzi kuri MOSFET zifite voltage nyinshi, diode za Schottky, n'ibindi bikoresho by'ingufu.

Ibisobanuro

Igipimo	Ibisobanuro
Ibyiciro	Ubumenyi bw'Ibikoresho, Uduce duto twa Crystal
Ubwoko bwa polikopi	4H
Gukoresha imiti igabanya ubukana	Ubwoko bwa N
Ingano	mm 101
Kwihanganira umurambararo	± 5%
Ubunini	mm 0.35
Kwihanganira ubunini	± 5%
Uburebure bw'ibanze bw'ikiraro	mm 22 (± 10%)
TTV (Impinduka y'Ubunini Rusange)	≤10 µm
Ifuro	≤25 µm
FWHM	≤30 Arc-segonda
Kurangiza ubuso	Ubwinshi bw'amajwi ≤0.35 nm

Imikoreshereze ya SiC Epitaxial Wafer

Ibicuruzwa bya SiC Epitaxial Wafer ni ingenzi cyane mu nzego nyinshi:

Imodoka zikoresha amashanyarazi (EV): Ibikoresho bya SiC Epitaxial Wafer byongera imikorere myiza ya powertrain kandi bigabanya ibiro.
Ingufu Zisubiramo: Ikoreshwa mu byuma bihindura ingufu z'izuba n'iz'umuyaga.
Ingufu z'Inganda: Koresha uburyo bwo guhinduranya ibintu hakoreshejwe ubushyuhe bwinshi kandi bukabije, hamwe n'igihombo gito.
Ibyerekeye Ikiresiteri n'Ubwunganizi mu by'Indege: Ni nziza cyane ku bidukikije bikomeye bisaba semiconductor zikomeye.
Sitasiyo za 5G z'ibanze: Ibice bya SiC Epitaxial Wafer bishyigikira ubucucike bw'ingufu nyinshi ku bikorwa bya RF.

SiC Epitaxial Wafer ituma habaho imiterere mito, guhinduranya vuba, no guhindura ingufu neza ugereranije na silicon wafers.

Ibyiza bya SiC Epitaxial Wafer

Ikoranabuhanga rya SiC Epitaxial Wafer ritanga inyungu zikomeye:

Umuvuduko mwinshi w'amashanyarazi: Ihangana n'amashanyarazi arengeje inshuro 10 ugereranyije na wafer za Si.
Ubushobozi bwo gutwara ubushyuhe: SiC Epitaxial Wafer ikuraho ubushyuhe vuba, bigatuma ibikoresho bikonja kandi byizewe.
Umuvuduko wo Guhinduranya Ukomeye: Igihombo gito cyo guhinduranya gitanga umusaruro mwinshi no gukora buhoro buhoro.
Icyuho kinini: Ituma habaho ubusugire ku muvuduko mwinshi w'amashanyarazi n'ubushyuhe.
Ubushobozi bw'ibikoresho: SiC ntabwo ikoreshwa mu buryo bwa shimi kandi ikomeye mu buryo bwa mekanike, ni nziza cyane mu kuyikoresha mu buryo busaba imbaraga nyinshi.

Izi nyungu zituma SiC Epitaxial Wafer iba ibikoresho by'ingenzi ku bakinnyi ba semiconductor bo mu gisekuru gitaha.

Ibibazo Bikunze Kubazwa: SiC Epitaxial Wafer

Q1: Ni irihe tandukaniro riri hagati ya wafer ya SiC na wafer ya SiC Epitaxial?
Agace ka SiC gasobanura igice kinini cy’umugozi, mu gihe agace ka SiC Epitaxial gakubiyemo urwego rwakuze rwihariye rukoreshwa mu gukora ibikoresho.

Q2: Ni ubuhe bunini buboneka ku bice bya SiC Epitaxial Wafer?
Ubusanzwe, imiterere ya epitaxial irava kuri mikorometero nke kugeza kuri mikorometero zirenga 100, bitewe n'ibisabwa gukoreshwa.

Q3: Ese SiC Epitaxial Wafer ikwiriye ahantu hashyuha cyane?
Yego, SiC Epitaxial Wafer ishobora gukora mu bihe biri hejuru ya 600°C, ikaba irusha silicon cyane.

Q4: Kuki ubucucike bw'ibisembwa ari ingenzi muri SiC Epitaxial Wafer?
Ubucucike buke bw'ibikoresho byongera imikorere n'ubushobozi bw'ibikoresho, cyane cyane ku bikoresho bifite voltage nyinshi.

Q5: Ese hari utugati two mu bwoko bwa N na P-type SiC Epitaxial Wafers twombi?
Yego, ubwoko bwombi bukorwa hakoreshejwe uburyo bwo kugenzura neza imyuka ikoreshwa mu gupima ikirere mu gihe cyo gupima ikirere.

Q6: Ni ingano zingana iki za wafer zisanzwe kuri SiC Epitaxial Wafer?
Udupira dusanzwe turimo santimetero 2, santimetero 4, santimetero 6, ndetse na santimetero 8 mu gukora ibikoresho byinshi.

Q7: Ni gute SiC Epitaxial Wafer igira ingaruka ku giciro n'imikorere myiza?
Nubwo mu ntangiriro bihenze kurusha silikoni, SiC Epitaxial Wafer igabanya ingano ya sisitemu n'ibura ry'ingufu, bikongera imikorere myiza y'ikiguzi cyose mu gihe kirekire.

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Ibikurikira: 4H-N Ubwoko bwa SiC Epitaxial Wafer High Voltage High Frequency