Lisosa tsa SemiceraKhasete ea Waferke karolo ea bohlokoa ts'ebetsong ea tlhahiso ea semiconductor, e etselitsoeng ho ts'oara le ho tsamaisa liphaephe tse bobebe tsa semiconductor. TheKhasete ea Wafere fana ka tshireletso e ikgethang, ho netefatsa hore sephaphatha ka seng se bolokwa ntle le ditshila le tshenyo ya mmele nakong ya ho tshwara, ho bolokwa le ho palangwa.
E entsoe ka thepa ea boleng bo holimo, e hananang le lik'hemik'hale, SemiceraKhasete ea Wafere netefatsa maemo a phahameng ka ho fetisisa a bohloeki le ho tšoarella, a bohlokoa bakeng sa ho boloka botšepehi ba li-wafers mohatong o mong le o mong oa tlhahiso. Boenjiniere bo nepahetseng ba lik'hasete tsena bo lumella ho kopanngoa ka mokhoa o se nang moeli le mekhoa ea ho tšoara ka mokhoa o ikemetseng, ho fokotsa kotsi ea tšilafalo le tšenyo ea mechine.
Moralo oaKhasete ea Waferhape e ts'ehetsa phallo e nepahetseng ea moea le taolo ea mocheso, e leng bohlokoa bakeng sa lits'ebetso tse hlokang maemo a itseng a tikoloho. Ebang e sebelisoa ka likamoreng tse hloekileng kapa nakong ea ts'ebetso ea mocheso, SemiceraKhasete ea Wafere etselitsoe ho fihlela litlhoko tse thata tsa indasteri ea semiconductor, e fana ka ts'ebetso e ts'epahalang le e tsitsitseng ho ntlafatsa katleho ea tlhahiso le boleng ba sehlahisoa.
Lintho | Tlhahiso | Patlisiso | Dummy |
Crystal Parameters | |||
Polytype | 4H | ||
Phoso ea ho shebana le bokaholimo | <11-20>4±0.15° | ||
Litekanyetso tsa Motlakase | |||
Dopant | n-mofuta oa Nitrojene | ||
Ho hanyetsa | 0.015-0.025ohm · cm | ||
Mechanical Parameters | |||
Diameter | 150.0±0.2mm | ||
Botenya | 350±25 μm | ||
Boemo ba mantlha bo bataletseng | [1-100]±5° | ||
Bolelele ba pele bo bataletseng | 47.5±1.5mm | ||
Folete ea bobeli | Ha ho letho | ||
TTV | ≤5 μm | ≤10 μm | ≤15 μm |
LTV | ≤3 μm(5mm*5mm) | ≤5 μm(5mm*5mm) | ≤10 μm(5mm*5mm) |
Inamela | -15μm ~ 15μm | -35μm ~ 35μm | -45μm ~ 45μm |
Warp | ≤35 μm | ≤45 μm | ≤55 μm |
Front(Si-face) roughness(AFM) | Ra≤0.2nm (5μm*5μm) | ||
Sebopeho | |||
Boima ba micropipe | <1 e/cm2 | <10 e/cm2 | <15 e/cm2 |
Litšila tsa tšepe | ≤5E10atoms/cm2 | NA | |
BPD | ≤1500 ea/cm2 | ≤3000 ea/cm2 | NA |
TSD | ≤500 ea/cm2 | ≤1000 ea/cm2 | NA |
Boleng ba Pele | |||
Pele | Si | ||
Qetello ea bokaholimo | Si-face CMP | ||
Likaroloana | ≤60ea/wafer (boholo ≥0.3μm) | NA | |
Mengwapo | ≤5ea/mm. Bolelele ba kakaretso ≤Diameter | Bolelele bo akaretsang≤2*Diameter | NA |
Lekhapetla la lamunu/makoti/matheba/maphatso/mapetso/tshilafatso | Ha ho letho | NA | |
Li-edge chips/indents/fracture/hex plates | Ha ho letho | ||
Libaka tsa polytype | Ha ho letho | Kakaretso≤20% | Kakaretso≤30% |
Ho tšoaea ka laser ka pele | Ha ho letho | ||
Boleng ba Morao | |||
Qetello ea morao | C-sefahleho sa CMP | ||
Mengwapo | ≤5ea/mm, bolelele bo akaretsang≤2* bophara | NA | |
Litšitiso tse ka morao (li-chips / indents) | Ha ho letho | ||
Bokhopo ba mokokotlo | Ra≤0.2nm (5μm*5μm) | ||
Ho tšoaea ka morao laser | 1 mm (ho tloha pheletsong e ka holimo) | ||
Qetello | |||
Qetello | Chamfer | ||
Sephutheloana | |||
Sephutheloana | Epi e loketse ho paka ka vacuum Sephutheloana sa lik'hasete tse nang le liphaephe tse ngata | ||
*Lintlha: "NA" e bolela hore ha ho na kopo Lintho tse sa boleloang li ka lebisa ho SEMI-STD. |