Alaabada Muhiimka ah ee Cayriin ee Soo Saarista Semiconductor-ka: Noocyada Substrates-ka Wafer-ka

Substrates-ka Wafer-ka oo ah Agabka Muhiimka ah ee Qalabka Semiconductor-ka

Substrates-ka Wafer-ku waa sideyaasha jireed ee aaladaha semiconductor-ka, sifooyinkooda agabkuna si toos ah ayay u go'aamiyaan waxqabadka qalabka, kharashka, iyo goobaha codsiga. Hoos waxaa ku qoran noocyada ugu muhiimsan ee substrates-ka Wafer-ka iyo faa'iidooyinkooda iyo khasaarooyinkooda:

1.Silikoon (Si)

• Saamiga Suuqa:Waxay ka dhigan tahay in ka badan 95% suuqa semiconductor-ka adduunka.

• Faa'iidooyinka:

  • Kharash yar:Alaab ceeriin ah oo badan (silicon dioxide), hababka wax soo saarka ee bislaaday, iyo dhaqaale xooggan oo baaxad leh.

  • Waafaqsanaan sare oo habka ah:Tiknoolajiyadda CMOS waa mid aad u bislaatay, oo taageerta qanjidhada horumarsan (tusaale ahaan, 3nm).

  • Tayada kristalka ee aadka u fiican:Wafers dhexroor weyn leh (badanaa 12 inji, 18 inji oo horumarsan) oo leh cufnaan cillado yar ayaa la kori karaa.

  • Sifooyinka farsamada ee deggan:Si fudud loo jari karo, loo nadiifin karo, loona xakamayn karo.

• Qasaarooyinka:

  • Farqiga cidhiidhiga ah (1.12 eV):Daadashada sare ee hawada heerkulka sare, taasoo xaddidaysa waxtarka qalabka korontada.

  • Farqiga aan tooska ahayn:Waxtarka sii deynta iftiinka oo aad u hooseeya, oo aan ku habboonayn aaladaha elektiroonigga ah sida LED-yada iyo laysarka.

  • Dhaqdhaqaaqa elektarooniga oo xaddidan:Waxqabadka soo noqnoqda sare ee hooseeya marka la barbar dhigo semiconductors-ka isku dhafan.
    

2.Gallium Arsenide (GaAs)

• Codsiyada:Qalabka RF ee soo noqnoqda badan (5G/6G), aaladaha optoelectronic (laysarka, unugyada qoraxda).

• Faa'iidooyinka:

  • Dhaqdhaqaaqa elektarooniga oo sarreeya (5-6 × kan siliconka):Ku habboon codsiyada xawaaraha sare leh, kuwa soo noqnoqda sida isgaarsiinta milimitir-hirarka.

  • Farqiga tooska ah (1.42 eV):Beddelka sawir-qaadista oo hufan, aasaaska laysarka infrared iyo LED-yada.

  • Heerkul sare iyo iska caabin shucaac:Ku habboon hawada sare iyo jawi adag.

• Qasaarooyinka:

  • Kharash sare:Maaddooyin yar, koboc adag oo kiristaal ah (u nugul kala-goysyada), cabbir xaddidan oo wafer ah (badanaa 6-inji).

  • Farsamoyaqaannada jilicsan:U nugul jabka, taasoo keenta wax soo saar yar oo habayn ah.

  • Sunta:Arsenic wuxuu u baahan yahay xakameyn adag iyo xakamaynta deegaanka.

3. Silikoon Karbohaydrayt (SiC)

• Codsiyada:Aaladaha korontada ee heerkulka sare iyo kuwa danab sare leh (qalabka korontada ku shaqeeya ee EV, saldhigyada dallacaadda), hawada sare.

• Faa'iidooyinka:

  • Farqiga ballaca ballaaran (3.26 eV):Xoogga burburka sare (10× kan siliconka), dulqaad heerkulka sare (heerkulka shaqada >200°C).

  • Gudbinta kulaylka oo sareysa (≈3× silikoon):Kala firdhis kulayl oo aad u fiican, taasoo suurtogalinaysa cufnaanta awoodda nidaamka oo sareysa.

  • Lumista hoose ee beddelka:Waxay hagaajisaa hufnaanta beddelka korontada.

• Qasaarooyinka:

  • Diyaarinta substrate-ka ee adag:Kobaca kiristaalka oo gaabis ah (> 1 toddobaad), xakamaynta cilladaha oo adag (tuubooyinka yaryar, kala-goysyada), kharash aad u sarreeya (5-10 × silikoon).

  • Cabbir yar oo buskud ah:Inta badan 4–6 inji; 8-inji wali waa la horumarinayaa.

  • Way adag tahay in la farsameeyo:Aad u adag (Mohs 9.5), taasoo ka dhigaysa jarista iyo nadiifinta waqti qaadasho.

4. Gallium Nitride (GaN)

• Codsiyada:Aaladaha korontada ee soo noqnoqda badan (dareem degdeg ah, saldhigyada saldhigga 5G), LED-yada/layers-ka buluugga ah.

• Faa'iidooyinka:

  • Dhaqdhaqaaqa elektarooniga aadka u sarreeya + farqiga ballaca ballaaran (3.4 eV):Waxay isku daraysaa waxqabadka korantada sare (>100 GHz) iyo waxqabadka danab-sare.

  • Iska caabin yar:Waxay yareysaa luminta korontada qalabka.

  • Heteroepitaxy oo ku habboon:Waxaa badanaa lagu beeraa silikoon, safayr, ama substrates SiC, taasoo yareyneysa kharashka.

• Qasaarooyinka:

  • Kobaca hal-kiristaal ah oo badan ayaa adag:Heteroepitaxy waa mid caadi ah, laakiin is-waafajinta shabakadu waxay keentaa cillado.

  • Kharash sare:Substrates-ka GaN ee Asalka ah aad bay qaali u yihiin (wafer 2-inji ah wuxuu ku kici karaa dhowr kun oo doolar).

  • Caqabadaha la isku halleyn karo:Waxyaabaha sida burburka hadda jira waxay u baahan yihiin hagaajin.

5. Indium Phosphide (InP)

• Codsiyada:Isgaarsiinta indhaha ee xawaaraha sare leh (laysarka, sawir-qaadayaasha), aaladaha terahertz.

• Faa'iidooyinka:

  • Dhaqdhaqaaqa elektarooniga aadka u sarreeya:Hawlgalka wuxuu taageeraa >100 GHz, isagoo ka sarreeya GaAs.

  • Farqiga tooska ah oo leh isbarbardhigga hirarka:Agabka asaasiga ah ee isgaarsiinta fiilada indhaha ee 1.3–1.55 μm.

• Qasaarooyinka:

  • Qallafsan oo aad qaali u ah:Kharashka substrate-ka wuxuu ka badan yahay 100× silicon, cabbirro wafer ah oo xaddidan (4-6 inji).

6. Sapphire (Al₂O₃)

• Codsiyada:Nalalka LED-ka (GaN epitaxial substrate), muraayadda daboolka elektaroonigga macaamiisha.

• Faa'iidooyinka:

  • Kharash yar:Aad uga jaban substrates-ka SiC/GaN.

  • Xasillooni kiimiko oo aad u fiican:U adkaysta daxalka, oo aad u dahaaran.

  • Hufnaan:Ku habboon qaab-dhismeedka LED-ka toosan.

• Qasaarooyinka:

  • Isbarbardhig weyn oo shabag ah oo lala sameeyo GaN (>13%):Waxay sababtaa cufnaan cillad sare leh, taasoo u baahan lakabka kaydka.

  • Qaboojinta kulaylka oo liidata (~1/20 ee silikoon):Waxay xaddidaysaa waxqabadka LED-yada awoodda sare leh.

7. Substrates-ka dhoobada ah (AlN, BeO, iwm.)

• Codsiyada:Kala-bixiyayaasha kulaylka ee loogu talagalay qaybaha awoodda sare leh.

• Faa'iidooyinka:

  • Dahaarka + kulaylka sare ee la qaadi karo (AlN: 170–230 W/m·K):Ku habboon baakadaha cufnaanta sare leh.

• Qasaarooyinka:

  • Kiristaal aan keli ahayn:Si toos ah uma taageeri karo koritaanka qalabka, oo loo isticmaalo oo keliya sidii substrate baakad.

8. Substrate-yo Gaar ah

• SOI (Silikoon ku jira dahaarka):

  • Qaab-dhismeedka:Sandwijka Silicon/SiO₂/silicon.

  • Faa'iidooyinka:Waxay yareysaa awoodda dulinka, shucaaca oo adkaada, xakamaynta daadashada (oo loo isticmaalo RF, MEMS).

  • Qasaarooyinka:30–50% ka qaalisan silikoonka badan.

• Quartz (SiO₂):Waxaa loo isticmaalaa maaskaro sawireed iyo MEMS; iska caabin heerkul sare leh laakiin aad u jaban.

• Dheeman:Substrate-ka ugu sarreeya ee kulaylka (>2000 W/m·K), oo hoos yimaada R&D si loo helo kulaylka xad-dhaafka ah.

Shaxda Kooban ee Isbarbardhigga

Qodobbada Muhiimka ah ee Xulashada Substrate-ka

• Shuruudaha waxqabadka:GaAs/InP ee soo noqnoqoshada sare; SiC ee danab sare, heerkul sare; GaAs/InP/GaN ee optoelectronics.

• Xaddidaadaha kharashka:Elektarooniga macaamiisha ayaa doorbida silicon; meelaha ugu sarreeya waxay qiil u noqon karaan qiimaha SiC/GaN.

• Kakanaanta isdhexgalka:Silikoonku wali lama beddeli karo marka la eego iswaafajinta CMOS.

• Maareynta kulaylka:Codsiyada awoodda sare leh waxay doorbidaan SiC ama GaN ku salaysan dheeman.

• Bisaylka silsiladda sahayda:Si> Sapphire> GaAs> SiC> GaN> InP.

Isbeddellada Mustaqbalka

Is-dhexgalka kala duwan (tusaale ahaan, GaN-on-Si, GaN-on-SiC) wuxuu dheellitiri doonaa waxqabadka iyo kharashka, isagoo horumarinaya horumarka 5G, baabuurta korontada ku shaqeeya, iyo xisaabinta quantum.