Semicera Silicon Wafers amapangidwa mwaluso kuti akhale maziko a zida zingapo za semiconductor, kuyambira ma microprocessors mpaka ma cell a photovoltaic. Ma wafer awa amapangidwa mwatsatanetsatane komanso mwachiyero, kuwonetsetsa kuti magwiridwe antchito amtundu wamagetsi amasiyanasiyana.
Opangidwa pogwiritsa ntchito njira zapamwamba, Semicera Silicon Wafers amawonetsa kuphwanyidwa kwapadera komanso kufananiza, zomwe ndizofunikira kwambiri kuti mupeze zokolola zambiri pakupanga semiconductor. Mlingo wolondolawu umathandizira kuchepetsa zolakwika ndikuwongolera magwiridwe antchito azinthu zonse zamagetsi.
Ubwino wapamwamba wa Semicera Silicon Wafers ukuwonekera mu mawonekedwe awo amagetsi, omwe amathandizira kuti zida za semiconductor ziziyenda bwino. Ndi milingo yotsika yonyansa komanso mawonekedwe apamwamba a kristalo, zopatulirazi zimapereka nsanja yabwino yopangira zida zamagetsi zogwira ntchito kwambiri.
Zopezeka mumitundu yosiyanasiyana komanso mawonekedwe, Semicera Silicon Wafers zitha kupangidwa kuti zikwaniritse zosowa zamakampani osiyanasiyana, kuphatikiza makompyuta, matelefoni, ndi mphamvu zongowonjezwdwa. Kaya zopangira zazikulu kapena kafukufuku wapadera, zowotcha izi zimapereka zotsatira zodalirika.
Semicera yadzipereka kuthandizira kukula ndi luso lamakampani opanga ma semiconductor popereka zowotcha za silicon zapamwamba zomwe zimakwaniritsa miyezo yapamwamba kwambiri yamakampani. Poyang'ana kulondola komanso kudalirika, Semicera imathandizira opanga kukankhira malire aukadaulo, kuwonetsetsa kuti malonda awo amakhala patsogolo pamsika.
| Zinthu | Kupanga | Kafukufuku | Dummy |
| Crystal Parameters | |||
| Polytype | 4H | ||
| Kulakwitsa koyang'ana pamwamba | <11-20>4±0.15° | ||
| Magetsi Parameters | |||
| Dopant | n-mtundu wa Nayitrogeni | ||
| Kukaniza | 0.015-0.025ohm · masentimita | ||
| Mechanical Parameters | |||
| Diameter | 150.0 ± 0.2mm | ||
| Makulidwe | 350±25 μm | ||
| Choyambira chapansi pamayendedwe | [1-100] ± 5° | ||
| Kutalika kosalala koyambirira | 47.5 ± 1.5mm | ||
| Sekondale flat | Palibe | ||
| TTV | ≤5 μm | ≤10 μm | ≤15 μm |
| LTV | ≤3 μm(5mm*5mm) | ≤5 μm(5mm*5mm) | ≤10 μm(5mm*5mm) |
| Kugwada | -15μm ~ 15μm | -35μm ~ 35μm | -45μm ~ 45μm |
| Warp | ≤35 μm | ≤45 μm | ≤55 μm |
| Front(Si-face) roughness(AFM) | Ra≤0.2nm (5μm*5μm) | ||
| Kapangidwe | |||
| Kuchuluka kwa Micropipe | <1 pa/cm2 | <10 pa/cm2 | <15 pa/cm2 |
| Zitsulo zonyansa | ≤5E10 maatomu/cm2 | NA | |
| BPD | ≤1500 ea/cm2 | ≤3000 ea/cm2 | NA |
| TSD | ≤500 pa/cm2 | ≤1000 E/cm2 | NA |
| Front Quality | |||
| Patsogolo | Si | ||
| Kumaliza pamwamba | Si-nkhope CMP | ||
| Tinthu ting'onoting'ono | ≤60ea/wafer (kukula ≥0.3μm) | NA | |
| Zokanda | ≤5ea/mm. Kutalika kwake ≤Diameter | Kutalika kokwanira≤2 * Diameter | NA |
| Peel/maenje/madontho/mikwingwirima/ ming'alu/kuipitsidwa | Palibe | NA | |
| M'mphepete tchipisi / indents / fracture / hex mbale | Palibe | ||
| Magawo a polytype | Palibe | Malo owonjezera≤20% | Malo owonjezera ≤30% |
| Chizindikiro cha laser chakutsogolo | Palibe | ||
| Back Quality | |||
| Kumbuyo komaliza | C-nkhope CMP | ||
| Zokanda | ≤5ea/mm,Cumulative kutalika≤2*Diameter | NA | |
| Zowonongeka zam'mbuyo (zolowera m'mphepete / ma indents) | Palibe | ||
| Msana roughness | Ra≤0.2nm (5μm*5μm) | ||
| Chizindikiro cha laser kumbuyo | 1 mm (kuchokera m'mphepete) | ||
| M'mphepete | |||
| M'mphepete | Chamfer | ||
| Kupaka | |||
| Kupaka | Epi-okonzeka ndi zoyika vacuum Kupaka makaseti amitundu yambiri | ||
| *Zindikirani: "NA" zikutanthauza kuti palibe pempho Zinthu zomwe sizinatchulidwe zingatanthauze SEMI-STD. | |||
