Warshadaha semiconductor-ka iyo optoelectronic-ka,Side SiC (Silicon Carbide)Waxay door muhiim ah ka ciyaartaa farsamaynta buskudka aadka u khafiifsan. Buskudka waxaa la saaraa side-ka SiC ee daloolsan waxaana si ammaan ah loogu hagaajiyaa iyada oo loo marayo nuugid faakiyuum ah, taasoo suurtogalinaysa is-dhexgal aan kala go 'lahayn oo lagu sameeyo tallaabooyinka muhiimka ah sida:
● Shaamboorin: Marin lakab ilaalin ah.
● Khafiifinta: Yaraynta dhumucda wafer-ka.
● Nadiifinta Shaambada: Ka saarista lakabka ilaalinta.
● Nadiifinta: Hubinta dusha sare oo nadiif ah.
● Jarjarid (La jarjaray): Kala soocidda wafer-ka weel gaar ah.
Sideyaasha SiC waxay fududeeyaan tallaabooyinkan adag, iyagoo si weyn uga qayb qaadanaya hufnaanta iyo tayada khadka wax soo saarkaaga.
Astaamaha Muhiimka ah ee SiC-gaaga waa inuu lahaadaa
Marka aad dooranayso side SiC ah, astaamo gaar ah ayaa muhiim u ah hubinta waxqabadka ugu wanaagsan iyo kor u qaadista faa'iidadaada maalgashiga. Waxaan fahamsanahay in shaqaalaha farsamada iyo maareeyayaasha wax iibsiga ay mudnaanta siiyaan sifooyin gaar ah oo si toos ah u saameeya hufnaanta habka iyo tayada wax soo saarka.
1. Hab-dhaqanka Kulaylka ee Gaarka ah
Side SiC oo heer sare ah wuxuu leeyahay gudbin kuleyl oo heer sare ah. Hantidani waxay muhiim u tahay:
●Gaabinta Waqtiyada Wax-soo-saarka iyo Wax-soo-saarka: Gudbinta kulaylka oo hufan ayaa dardar gelisa hababkan kulaylka, iyadoo si weyn u yareyneysa waqtiyada wareegga guud.
●Hagaajinta Heerka Wax Soo Saarka: Habaynta degdegga ah waxay si toos ah u tarjumeysaa wax soo saar sare oo ah wafers.
● Kordhinta Wax-soo-saarka Wax-soo-saarka: Maareynta kulaylka ee la hagaajiyay waxay gacan ka geysataa socodka wax-soo-saarka oo si habsami leh oo wax-soo-saar leh.
2. Cabbirka daloolka oo yar oo si siman loo qaybiyey:
Waxtarka nuugista faakuumka ayaa si weyn ugu xiran qaab-dhismeedka daloolka side-ka. Astaamaha side-ka SiC ee ku habboon:
●Cabbirka daloolka yar: Waxay ka hortagtaa waxyeelada soo gaarta waferada jilicsan waxayna hubisaa in si siman loo qaybiyo faakiyuumka.
●Godadka si fiican loo qaybiyey: Waxay damaanad qaadaysaa nuugid isku mid ah oo ka dhacda gobol kasta oo ku yaal wafer-ka oo dhan, taasoo ka hortagaysa foorarsiga, qallooca, ama barakicinta inta lagu jiro farsamaynta.
3. Iska caabbinta Aashitada iyo Alkali ee Sare:
Marka la eego dabeecadda kiimikada ee farsamaynta wafer-ka, side-kaaga SiC waa inuu u adkeystaa jawiga miridhku ka baxo. Iska caabbinta aashitada iyo alkali-ga oo sareysa ayaa hubinaysa:
●Waara iyo Dheeraanshaha: Side-gu wuxuu ilaaliyaa qaab-dhismeedkiisa iyo waxqabadkiisa muddo dheer.
●Khatarta Wasakhowga oo Yaraaday: Iska caabbinta burburka kiimikada waxay yareysaa suurtagalnimada in wasakhdu ay ku daadato waferka.
Maxaad ugu Dooranaysaa Tamarta VET-ka SiC-gaaga?
Shirkadda VET Energy, waxaan ka go'annahay inaan bixinno shirkadaha SiC ee aan buuxin oo keliya laakiin ka sarreeya baahiyaha adag ee warshadaha semiconductor-ka iyo optoelectronic-ka. Diiradda aan saarno tayada, habaynta, iyo gaarsiinta la isku halleyn karo ayaa naga dhigaysa mid kala soocan.
●Cabbirro iyo Tilmaamo Kala Duwan: Sideyaashayada SiC waxaa loo habeyn karaa si ay si fiican ugu habboonaadaan cabbirrada gaarka ah ee wafer-kaaga iyo shuruudaha qalabka.
●Dhammaystirka Dusha Sare ee Siman: Si taxaddar leh ayaa loo safeeyey si looga hortago xoqid ama waxyeello soo gaarta buskudka jilicsan, iyadoo la ilaalinayo alaabtaada qiimaha leh.
●Bixinta Degdegga ahWaxaan ku faannaa wax soo saar hufan iyo saadka, annagoo hubinayna in dalabaadkaaga si dhakhso leh loo gaarsiiyo si hawlahaagu u socdaan si habsami leh.
| CVD SiC Sifooyinka aasaasiga ah ee jireed ee CVD SiCdahaarka | |
| Hantida | Qiimaha Caadiga ah |
| Qaab-dhismeedka Crystal | FCC β wejiga polycrystalline, inta badan (111) jihada |
| Cufnaanta | 3.21 g/cm³ |
| Adkaanta | 2500 Vickers adkeheeda (500g oo culays ah) |
| Xaddiga Badarka | 2 ~ 10μm |
| Nadiifnimada Kiimikada | 99.99995% |
| Awoodda Kulaylka | 640 J·kg-1·K-1 |
| Heerkulka Sublimation | 2700℃ |
| Xoogga Dabacsanaan | 415 MPa RT 4-dhibcood |
| Modulus-ka Young | 430 GPA 4pt laab, 1300℃ |
| Qaboojinta Kulaylka | 300W·m-1·K-1 |
| Ballaarinta Kulaylka (CTE) | 4.5 × 10-6K-1 |
VET Energy waa soo saare xirfadle ah oo diiradda saaraya cilmi-baarista iyo horumarinta agabyada horumarsan sida graphite, silicon carbide, quartz, iyo sidoo kale daaweynta agabka sida dahaarka SiC, dahaarka TaC, dahaarka kaarboonka galaaska ah, dahaarka kaarboonka pyrolytic, iwm. Badeecadaha waxaa si weyn loogu isticmaalaa photovoltaic, semiconductor, tamar cusub, birta, iwm.
Kooxdayada farsamada waxay ka timaadaa hay'adaha cilmi-baarista ee ugu sarreeya gudaha, waxayna ku siin karaan xalal agab xirfadeed oo dheeraad ah.
Faa'iidooyinka Tamarta VET waxaa ka mid ah:
• Warshad iyo shaybaar xirfadeed oo gaar ah;
• Heerarka iyo tayada saafiga ah ee hormuudka ka ah warshadaha;
• Qiimo tartan ah & Waqtiga keenista degdegga ah;
• Iskaashi warshadeed oo badan oo adduunka oo dhan ah;
Waxaan kugu soo dhaweyneynaa inaad booqato warshadeenna iyo shaybaarkeenna wakhti kasta!
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