Ibikoresho by'ingenzi byo gukora ibikoresho bya semiconductor: Ubwoko bw'ibice bya Wafer

Ibikoresho bya Wafer nk'ibikoresho by'ingenzi mu bikoresho bya semiconductor

Substrates za Wafer ni zo zitwara ibikoresho bya semiconductor, kandi imiterere yabyo igena mu buryo butaziguye imikorere y'ibikoresho, ikiguzi, n'aho bishyirwa. Hasi hari ubwoko bw'ingenzi bwa substrates za Wafer hamwe n'ibyiza n'ibibi byazo:

1.Silikoni (Si)

• Isoko ry'Umugabane:Ifite agaciro karenga 95% by'isoko ry'ibikoresho bya semiconductor ku isi.

• Ibyiza:

  • Igiciro gito:Ibikoresho fatizo byinshi (silikoni dioxyde), inzira z’inganda zikuze, hamwe n’ubukungu bukomeye.

  • Uburyo bwo gukora ibintu buhura cyane:Ikoranabuhanga rya CMOS rirakuze cyane, rishyigikira nodes zigezweho (urugero, 3nm).

  • Ubwiza bwiza cyane bwa kristale:Uduti twa wafers tunini (cyane cyane twa santimetero 12, santimetero 18 turimo gutegurwa) dufite ubucucike buke dushobora guhingwa.

  • Imiterere ihamye ya mekanike:Byoroshye gukata, gusya no gufata.

• Ibibi:

  • Icyuho gito (1.12 eV):Umuriro mwinshi uva ku bushyuhe bwinshi, bigabanya imikorere myiza y'igikoresho cy'amashanyarazi.

  • Icyuho kitaziguye:Ubushobozi buke cyane bwo gusohora urumuri, ntibikwiriye ibikoresho by'ikoranabuhanga nka za LED na laser.

  • Uburyo bwo kugenda bwa elegitoroniki buke:Umusaruro muke ugereranije n'imashini zikora ibikoresho bya elegitoroniki.
    

2.Gallium Arsenide (GaAs)

• Porogaramu:Ibikoresho bya RF bifite umurongo wa frequency wihuta (5G/6G), ibikoresho bya optoelectronic (laser, solar cells).

• Ibyiza:

  • Uburyo bwo kugenda cyane kwa electron (5–6× nk'ubwa silicon):Ikwiriye gukoreshwa mu buryo bwihuse kandi bugezweho nko mu itumanaho rya millimetero-wave.

  • Icyuho cy'umuvuduko utaziguye (1.42 eV):Guhindura amashanyarazi mu buryo bugezweho, ni ishingiro rya lasers za infrared na LEDs.

  • Ubudahangarwa bw'ubushyuhe bwinshi n'imirasire:Bikwiriye ahantu ho mu kirere no mu bidukikije bikomeye.

• Ibibi:

  • Igiciro kiri hejuru:Ibintu bike, gukura bigoranye kwa kristu (bishobora kwimuka), ingano nto ya wafer (cyane cyane santimetero 1.5).

  • Ubukanishi bwa Brittle:Ishobora kuvunika, bigatuma umusaruro wayo uba muke.

  • Uburozi:Arsenic isaba uburyo bwo kuyicunga neza no kuyigenzura neza.

3. Karubide ya Silicone (SiC)

• Porogaramu:Ibikoresho by'ingufu bikoresha ubushyuhe bwinshi n'amashanyarazi menshi (inverters za EV, sitasiyo zo gusharija), indege.

• Ibyiza:

  • Icyuho kinini (3.26 eV):Ingufu nyinshi zo kwangirika (10 × ugereranyije na silikoni), ubushobozi bwo kwihanganira ubushyuhe bwinshi (ubushyuhe bwo gukora >200 °C).

  • Ubushobozi bwo gutwara ubushyuhe bwinshi (≈3 × silikoni):Gukwirakwiza ubushyuhe neza cyane, bigatuma ingufu za sisitemu ziyongera.

  • Igihombo gito cyo guhinduranya:Binoza imikorere myiza yo guhindura ingufu.

• Ibibi:

  • Gutegura substrate bigoye:Ikura buhoro rya kristu (> icyumweru 1), kurwanya inenge bigoranye (imiyoboro mito, kwimuka), igiciro kinini cyane (silicon 5–10×).

  • Ingano nto ya wafer:Ahanini ni santimetero 4–6; santimetero 8 ziracyari mu iterambere.

  • Kugorana gutunganya:Irakomeye cyane (Mohs 9.5), bigatuma gukata no gusiga bifata igihe kinini.

4. Gallium Nitride (GaN)

• Porogaramu:Ibikoresho by'amashanyarazi bikoresha imbaraga nyinshi (gusharija vuba, sitasiyo za 5G), LED z'ubururu/laser.

• Ibyiza:

  • Uburyo bwo kugenda bwa electron nyinshi cyane + icyuho kinini (3.4 eV):Ihuza imikorere ya frequency yo hejuru (> 100 GHz) n'imikorere ya voltage yo hejuru.

  • Ubudahangarwa buke:Bigabanya ibura ry'ingufu z'igikoresho.

  • Heteroepitaxy ijyanye nabyo:Ikunze guhingwa ku bimera bya silikoni, safiro, cyangwa SiC, bigabanyiriza ikiguzi.

• Ibibi:

  • Gukura kw'ikirahuri kimwe kugoranye:Heteroepitaxy ni yo isanzwe, ariko kudahuza neza kw'uturemangingo bitera inenge.

  • Igiciro kiri hejuru:Imbuto za GaN zo mu bwoko bwa Native zihenze cyane (wafer ya santimetero 2 ishobora kugura ibihumbi byinshi by'amadolari y'Amerika).

  • Ibibazo byo kwizera:Ibintu nk'ihungabana ry'ubushyuhe bisaba kunozwa.

5. Indium Fosfide (InP)

• Porogaramu:Itumanaho ryihuse cyane (laser, photodetectors), ibikoresho bya terahertz.

• Ibyiza:

  • Uburyo bwo kugenda bwa elegitoroni buri hejuru cyane:Ishyigikira imikorere ya > 100 GHz, irusha GaAs gukora neza.

  • Icyuho cy’umurongo ugororotse hamwe n’ubuso bw’umuraba:Ibikoresho by'ingenzi byo gutumanaho bya fibre optique ya 1.3–1.55 μm.

• Ibibi:

  • Yoroshye kandi ihenze cyane:Igiciro cy'ifatizo kirenze siliconi 100×, ingano ntoya za wafer (santimetero 4–6).

6. Safiro (Al₂O₃)

• Porogaramu:Amatara ya LED (GaN epitaxial substrate), ikirahure gitwikiriye ibikoresho by'ikoranabuhanga.

• Ibyiza:

  • Igiciro gito:Birahendutse cyane kurusha substrates za SiC/GaN.

  • Ubudahangarwa bwiza cyane mu mikorere y'ibinyabutabire:Irinda ingese, irinda ubushyuhe bwinshi.

  • Umucyo:Bikwiriye imiterere ya LED ihagaze.

• Ibibi:

  • Ubudasa bunini bw'urukiramende na GaN (>13%):Bitera ubucucike bwinshi bw'ibice, bigasaba urwego rw'ibice bifasha mu gufunga.

  • Ubushobozi buke bwo gutwara ubushyuhe (~ 1/20 cya silikoni):Bigabanya imikorere ya za LED zifite ingufu nyinshi.

7. Ibice by'ibumba (AlN, BeO, nibindi)

• Porogaramu:Utwuma dushyushya two gukoresha modules zikoresha ingufu nyinshi.

• Ibyiza:

  • Gukingira + ubwikorezi bwinshi bw'ubushyuhe (AlN: 170–230 W/m·K):Bikwiriye gupfunyika mu buryo buhanitse.

• Ibibi:

  • Itara ry'ikirahure ritari rimwe:Ntibishobora gushyigikira mu buryo butaziguye gukura kw'ibikoresho, bikoreshwa gusa nk'ibikoresho byo gupfunyika.

8. Ibice byihariye

• SOI (Silicone iri ku gikoresho gikingira):

  • Imiterere:Sandwich ya Silicone/SiO₂/silicone.

  • Ibyiza:Igabanya ubushobozi bwa parasite, gukomera kw'imirasire, no kugabanya amazi asohoka (ikoreshwa muri RF, MEMS).

  • Ibibi:30–50% bihenze kurusha silikoni nini.

• Quartz (SiO₂):Ikoreshwa mu gupfuka udupfukamunwa no muri MEMS; irakomera cyane ariko irakomera cyane.

• Diyama:Substrate ifite ubushobozi bwo gutwara ubushyuhe bwinshi (>2000 W/m·K), munsi y’ubushakashatsi n’iterambere mu gukwirakwiza ubushyuhe bukabije.

Imbonerahamwe y'Incamake yo Kugereranya

Ibintu by'ingenzi mu guhitamo substrate

• Ibisabwa mu mikorere:GaAs/InP ku bijyanye n'umuvuduko wo hejuru; SiC ku bijyanye n'amashanyarazi menshi n'ubushyuhe bwinshi; GaAs/InP/GaN ku bijyanye n'ikoranabuhanga rya optoelectronics.

• Ibiciro bito:Ibikoresho by'ikoranabuhanga bikoreshwa n'abaguzi bikunda silikoni; ibikoresho byo mu rwego rwo hejuru bishobora gutuma SiC/GaN ihabwa amafaranga menshi.

• Ingorane zo guhuza:Silicon ntabwo irasimburana kugira ngo ihuze na CMOS.

• Imicungire y'ubushyuhe:Porogaramu zikoresha ingufu nyinshi zikunda SiC cyangwa GaN ishingiye kuri diyama.

• Igihe cyo gutanga ibicuruzwa kigeze:Si> Safiro> GaAs> SiC> GaN> InP.

Icyerekezo cy'ejo hazaza

Guhuza ibintu bitandukanye (urugero, GaN-on-Si, GaN-on-SiC) bizahuza imikorere n'ikiguzi, bigatera imbere muri 5G, imodoka zikoresha amashanyarazi, na quantum computing.