I-Intshi ezi-4 eziPhezulu zoBucoceko obuSemi-Ukugquma i-HPSI SiC emacala amabini eWafer Substrate ekhazimlisiweyo

Inkcazelo emfutshane:

I-Semicera's I-Intshi ezi-4 eziPhakamileyo zokuPhuculwa kweSemi-Insulating (HPSI) SiC ezinamacala amabini aGqwethiweyo eWafer Substrates zenziwe ngokuchanekileyo-ubunjineli obuphezulu bokusebenza kombane. Ezi ziqwenga zibonelela nge-thermal conductivity egqwesileyo kunye nokugqunyelelwa kombane, okufanelekileyo kwizicelo eziphambili ze-semiconductor. Thembela iSemicera ngomgangatho ongalinganiyo kunye nokutsha kwitekhnoloji ye-wafer.


Iinkcukacha zeMveliso

Iithegi zeMveliso

I-Semicera's I-Intshi ezi-4 eziPhakamileyo zokuPhuculwa kweSemi-Insulating (HPSI) SiC ezinamacala amabini aGqwethiweyo eWafer Substrates ziyilelwe ukuhlangabezana neemfuno ezithe ngqo kushishino lwesemiconductor. Ezi substrates ziyilwe ngendlela ethe tyaba kunye nobunyulu obukhethekileyo, ebonelela ngeqonga elilelona lifanelekileyo lezixhobo zombane eziphuma phambili.

Ezi ziqwenga ze-HPSI SiC zihlukaniswa ngokugqithiswa kwazo okuphezulu kwe-thermal kunye neempawu zokugquma umbane, zizenza zibe lolona khetho lubalaseleyo kwi-high-frequency kunye ne-high-power applications. Inkqubo yokupolisha yamacala amabini iqinisekisa uburhabaxa obuncinci bomphezulu, obubalulekileyo ekuphuculeni ukusebenza kwesixhobo kunye nobomi obude.

Ukucoceka okuphezulu kwee-wafers ze-SiC ze-Semicera kunciphisa iziphene kunye nokungcola, okukhokelela kumazinga aphezulu esivuno kunye nokuthembeka kwesixhobo. Ezi substrates zifanelekile kuluhlu olubanzi lwezicelo, kubandakanywa izixhobo ze-microwave, i-electronics yamandla, kunye nobuchwepheshe be-LED, apho ukuchaneka kunye nokuqina kubalulekile.

Ngokujolisa kubuchule obutsha kunye nomgangatho, iSemicera isebenzisa iindlela eziphucukileyo zokuvelisa ukuvelisa iiwafa ezihlangabezana neemfuno ezingqongqo zombane wale mihla. I-polish enamacala amabini ayiphuculi kuphela amandla omatshini kodwa iququzelela ukuhlanganiswa okungcono kunye nezinye izinto ze-semiconductor.

Ngokukhetha iSemicera's 4 Inch High Purity Semi-Insulating HPSI SiC Double-side Polished Wafer Substrates, abavelisi banokusebenzisa izibonelelo zolawulo oluphuculweyo lwe-thermal kunye nokufakwa kombane, bevula indlela yophuhliso lwezixhobo zombane ezisebenza ngakumbi nezinamandla. I-Semicera iyaqhubeka nokukhokela ishishini ngokuzibophelela kumgangatho kunye nokuqhubela phambili kwezobuchwepheshe.

Izinto

Imveliso

Uphando

Dummy

Iiparamitha zeCrystal

Iipolytype

4H

Imposiso yokuma kumphezulu

<11-20>4±0.15°

Iiparamitha zoMbane

I-Dopant

n-uhlobo lweNitrojeni

Ukuxhathisa

0.015-0.025ohm · cm

IiParameters zoomatshini

Ububanzi

150.0±0.2mm

Ukutyeba

350±25 μm

Ukuqhelaniswa neflethi ephambili

[1-100] ± 5 °

Ubude beflethi bokuqala

47.5±1.5mm

Iflethi yesibini

Akukho nanye

TTV

≤5 μm

≤10 μm

≤15 μm

LTV

≤3 μm(5mm*5mm)

≤5 μm(5mm*5mm)

≤10 μm(5mm*5mm)

Ukuqubuda

-15μm ~ 15μm

-35μm ~ 35μm

-45μm ~ 45μm

I-Wap

≤35 μm

≤45 μm

≤55 μm

Ngaphambili(Si-face) uburhabaxa(AFM)

Ra≤0.2nm (5μm*5μm)

Ulwakhiwo

Ukuxinana kweMibhobho

<1 iya/cm2

<10 i/cm2

<15 i/cm2

Ukungcola kwesinyithi

≤5E10athom/cm2

NA

I-BPD

≤1500 i-ea/cm2

≤3000 i/cm2

NA

TSD

≤500 i/cm2

≤1000 nge-cm2

NA

Umgangatho wangaphambili

Ngaphambili

Si

Ukugqitywa komphezulu

Si-ubuso CMP

Amacandelo

≤60ea/wafer (ubukhulu≥0.3μm)

NA

Imikrwelo

≤5ea/mm. Ubude obongezelekayo ≤Ububanzi

Ubude obongezelekayo≤2*Ububanzi

NA

Amaxolo e-orenji/imingxuma/amabala/imivimbo/ iintanda/ungcoliseko

Akukho nanye

NA

Iitshiphusi ze-Edge/i-idents/fracture/hex plates

Akukho nanye

Iindawo zePolytype

Akukho nanye

Indawo eyongezelekayo≤20%

Indawo eyongezelekayo≤30%

Ukumakishwa kwelaser yangaphambili

Akukho nanye

Umgangatho wasemva

Emva kokugqiba

C-ubuso CMP

Imikrwelo

≤5ea/mm,Ubude obongezelekayo≤2*Ububanzi

NA

Iziphene zangasemva (iitshiphusi zomphetho/iindents)

Akukho nanye

Umqolo uburhabaxa

Ra≤0.2nm (5μm*5μm)

Ukumakishwa kwelaser yangasemva

1 mm (ukusuka kumphetho ophezulu)

Edge

Edge

Chamfer

Ukupakishwa

Ukupakishwa

I-Epi ilungele ukupakishwa kwevacuum

Ukupakishwa kweekhasethi ezininzi

*Amanqaku: "NA" ithetha ukuba akukho sicelo Izinto ezingakhankanywanga zinokubhekisa kwi-SEMI-STD.

ubuchwephesha_1_2_ubungakanani
Iifafa zeSiC

  • Ngaphambili:
  • Okulandelayo: