I-intshi ezi-3 zoBusulungekileyo obuPhezulu (Abungatshitshiswanga)IiSilicon Carbide Wafers semi-Insulating Sic Substrates (HPSl)
Iipropati
1. IiPropati zoMzimba kunye noLwakhiwo
● Uhlobo lwezinto eziphathekayo: Ukucoceka okuphezulu (Akunqunywanga) iSilicon Carbide (SiC)
● Ububanzi: 3 intshi (76.2 mm)
● Ubukhulu: 0.33-0.5 mm, ngokwezifiso ngokusekelwe kwiimfuno zesicelo.
● I-Crystal Structure: I-4H-SiC i-polytype ene-hexagonal lattice, eyaziwayo ngokuhamba okuphezulu kwe-electron kunye nokuzinza kwe-thermal.
● Uqhelaniso:
oStandard: [0001] (C-plane), ilungele uluhlu olubanzi lwezicelo.
oNgokuzikhethela: I-off-axis (4° okanye 8° tilt) ukwenzela ukukhula okuphuculweyo kwe-epitaxial yeeleya zesixhobo.
●Ukuthe tyaba: Ubunzima bubonke umahluko (TTV) ●Umgangatho woMphezulu:
oLikhazimlisiwe ukuya oLow-defect density (<10/cm² uxinano lwemicropipe). 2. IiPropati zoMbane ● Ukuxhathisa: >109^99 Ω·cm, kugcinwa ngokupheliswa kweedopanti zangabom.
● Amandla e-Dielectric: Ukunyamezela kwamandla aphezulu kunye nokulahlekelwa kwe-dielectric encinci, ilungele ukusetyenziswa kwamandla aphezulu.
● I-Thermal Conductivity: 3.5-4.9 W / cm·K, eyenza ukutshatyalaliswa kokushisa okusebenzayo kwizixhobo zokusebenza eziphezulu.
3. IiPropati zeThermal kunye neMechanical
● I-Bandgap ebanzi: 3.26 eV, ukuxhasa ukusebenza phantsi kombane ophezulu, ukushisa okuphezulu, kunye neemeko eziphezulu zemitha.
● Ukuqina: I-Mohs isikali 9, iqinisekisa ukomelela ngokuchasene nokunxitywa komatshini ngexesha lokucubungula.
● I-Coefficient yoKwandiswa kweThermal: 4.2×10−6/K4.2 \ amaxesha 10^{-6}/\text{K}4.2×10−6/K, iqinisekisa uzinzo lwe-dimensional phantsi kweenguqu zobushushu.
Ipharamitha | IBanga leMveliso | IBanga loPhando | IBanga leDummy | Iyunithi |
IBanga | IBanga leMveliso | IBanga loPhando | IBanga leDummy | |
Ububanzi | 76.2 ± 0.5 | 76.2 ± 0.5 | 76.2 ± 0.5 | mm |
Ukutyeba | 500 ± 25 | 500 ± 25 | 500 ± 25 | µm |
I-Wafer Orientation | Kwi-axis: <0001> ± 0.5 ° | Kwi-axis: <0001> ± 2.0 ° | Kwi-axis: <0001> ± 2.0 ° | isidanga |
Uxinaniso lweMibhobho (MPD) | ≤ 1 | ≤ 5 | ≤ 10 | cm−2^-2−2 |
Ukuxhathisa koMbane | ≥ 1E10 | ≥ 1E5 | ≥ 1E5 | Ω·cm |
I-Dopant | Ingaguqulwanga | Ingaguqulwanga | Ingaguqulwanga | |
Ukuqhelaniswa neFlethi okuPhambili | {1-100} ± 5.0° | {1-100} ± 5.0° | {1-100} ± 5.0° | isidanga |
Ubude beFlethi obuPhambili | 32.5 ± 3.0 | 32.5 ± 3.0 | 32.5 ± 3.0 | mm |
Ubude beFlethi yesibini | 18.0 ± 2.0 | 18.0 ± 2.0 | 18.0 ± 2.0 | mm |
Ukuqhelaniswa neFlethi yesibini | I-90 ° CW ukusuka kwiflethi yokuqala ± 5.0 ° | I-90 ° CW ukusuka kwiflethi yokuqala ± 5.0 ° | I-90 ° CW ukusuka kwiflethi yokuqala ± 5.0 ° | isidanga |
Ukungabandakanywa kuMda | 3 | 3 | 3 | mm |
LTV/TTV/Bow/Warp | 3/10 / ±30/40 | 3/10 / ±30/40 | 5/15 / ±40/45 | µm |
Uburhabaxa boMphezulu | Ubuso beSi: CMP, C-ubuso: bukhazimlisiwe | Ubuso beSi: CMP, C-ubuso: bukhazimlisiwe | Ubuso beSi: CMP, C-ubuso: bukhazimlisiwe | |
Iintanda (Ukukhanya okuPhezulu) | Akukho nanye | Akukho nanye | Akukho nanye | |
Iipleyiti zeHex (Ukukhanya okuPhezulu) | Akukho nanye | Akukho nanye | Indawo eyongezelekayo 10% | % |
Iindawo zePolytype (Ukukhanya okuPhezulu) | Indawo eyongezelekayo 5% | Indawo eyongezelekayo 20% | Indawo eyongezelekayo 30% | % |
Imikrwelo (UkuKhanya okuPhezulu) | ≤ Imikrwelo emi-5, ubude obuqokelelweyo ≤ 150 | ≤ Imikrwelo eyi-10, ubude obuqokelelweyo ≤ 200 | ≤ Imikrwelo eyi-10, ubude obuqokelelweyo ≤ 200 | mm |
Edge Chipping | Akukho nanye ≥ 0.5 mm ububanzi/ubunzulu | I-2 ivunyelwe ≤ 1 mm ububanzi / ubunzulu | I-5 ivunyelwe ≤ 5 mm ububanzi / ubunzulu | mm |
Ungcoliseko loMphezulu | Akukho nanye | Akukho nanye | Akukho nanye |
Usetyenziso
1. I-Electronics yamandla
I-bandgap ebanzi kunye ne-thermal conductivity ephezulu ye-HPSI SiC substrates ibenza balungele izixhobo zamandla ezisebenza kwiimeko ezigqithisileyo, ezifana:
● I-High-Voltage Devices: Kubandakanya i-MOSFET, ii-IGBTs, kunye ne-Schottky Barrier Diodes (SBDs) yokuguqulwa kwamandla ngokufanelekileyo.
● IiNkqubo zaMandla aVuselelwayo: Ezinje ngee-inverters zelanga kunye nabalawuli be-injini yomoya.
● IZithuthi zoMbane (EVs): Zisetyenziswa kwii-inverters, iitshaja, kunye neenkqubo zokuqeqesha amandla ukuphucula ukusebenza kakuhle nokunciphisa ubukhulu.
2. Izicelo zeRF kunye neMicrowave
Ukumelana okuphezulu kunye nelahleko ephantsi yedielectric yeewafers zeHPSI zibalulekile kwirediyo-frequency (RF) kunye neenkqubo zemicrowave, kubandakanya:
● Iziseko zoNxibelelwano zoNxibelelwano: Izitishi ezisisiseko ze-5G uthungelwano kunye nonxibelelwano lwesathelayithi.
● I-Aerospace kunye noKhuseleko: Iinkqubo ze-radar, ii-antenna ze-phased-array, kunye nezixhobo ze-avionics.
3. Optoelectronics
Ukungafihli kunye nebhendi ebanzi ye-4H-SiC yenza ukuba isetyenziswe kwizixhobo ze-optoelectronic, ezifana:
● Iifoto ze-UV: Ukujongwa kokusingqongileyo kunye nokuxilongwa kwezonyango.
● Ii-LED zaMandla aphezulu: Ukuxhasa iinkqubo zokukhanyisa eziqinileyo.
● I-Laser Diodes: Izicelo zamashishini kunye nezonyango.
4. Uphando kunye noPhuhliso
Iisubstrates ze-HPSI SiC zisetyenziswa ngokubanzi kwiilebhu ze-R&D zemfundo kunye nezoshishino zokuphonononga iipropathi zemathiriyeli eziphambili kunye nokwenziwa kwesixhobo, kubandakanywa:
● I-Epitaxial Layer Growth: Izifundo ngokunciphisa isiphene kunye nokuphucula umaleko.
● Izifundo zokuHamba kweCarrier: Uphando lwe-electron kunye nokuthuthwa komngxuma kwizinto ezicocekileyo.
● Iprototyping: Uphuhliso lokuqala lwezixhobo ezintsha kunye neesekethe.
Iingenelo
Umgangatho ophezulu:
Ubunyulu obuphezulu kunye noxinzelelo oluphantsi lwesiphako lubonelela ngeqonga elithembekileyo lezicelo eziphambili.
Uzinzo lweThermal:
Iimpawu ezigqwesileyo zokutshatyalaliswa kobushushu zivumela izixhobo ukuba zisebenze ngokufanelekileyo phantsi kwamandla aphezulu kunye neemeko zokushisa.
Ukuhambelana okubanzi:
Ulungelelwaniso olukhoyo kunye nokhetho lobungakanani besiko luqinisekisa ukuguquguquka kwiimfuno ezahlukeneyo zesixhobo.
Ukuqina:
Ubulukhuni obukhethekileyo kunye nokuzinza kwesakhiwo kunciphisa ukunxiba kunye nokuguqulwa ngexesha lokucubungula nokusebenza.
Ukuguquguquka:
Ifanelekile kuluhlu olubanzi lwamashishini, ukusuka kumandla ahlaziyekayo ukuya kwi-aerospace kunye nonxibelelwano.
Ukuqukumbela
I-3-inch High Purity Semi-Insulating Silicon Carbide wafer imele incopho yetekhnoloji ye-substrate yamandla aphezulu, i-high-frequency, kunye nezixhobo ze-optoelectronic. Ukudityaniswa kwayo kweempawu ezibalaseleyo zobushushu, zombane, kunye nezomatshini ziqinisekisa ukusebenza okuthembekileyo kwiindawo ezinomngeni. Ukusuka kumbane we-elektroniki kunye neenkqubo zeRF ukuya kwi-optoelectronics kunye ne-R&D ephucukileyo, ezi substrates zeHPSI zibonelela ngesiseko sezinto ezintsha zangomso.
Ngolwazi oluthe vetshe okanye ukwenza iodolo, nceda uqhagamshelane nathi. Iqela lethu lobugcisa liyafumaneka ukubonelela ngesikhokelo kunye neenketho zokwenza ngokwezifiso ezilungiselelwe iimfuno zakho.