Title: ?????(4?) Microchip Fabrication ?4? :??????
1?????(4?)Microchip Fabrication?4?
?????? Peter Van Zant ???? ? ??? ???????
? ? ? 90 ? 11 ? 28 ?
2?? ???????,????????,??????????? ????(wafer
fabrication) ?????? (???) ???????????
?4.1 ??????
3?????????? (1)??(chip)???(die)???(device)
??(circuit)????(microchip)??? (bar)
(2)???(scribe lines)???? (saw lines)
?? (streets)???? (avenues) (3)?????
(engineering die) ????? (test die)
(4)???? (edge die) (5)?????? (wafer crystal
planes) (6)??????? (wafer flats / notches)
???(major flat)????(minor flat),
300????????
?4.2 ??????
4????????? ??(layering)???(patterning)???(doping),
???(heat treatments)
??(layering)?????????????? ???????????????? ????
?? (1)??????????? (2)?????????(CVD)
??????(PVD)-?????
?4.4 ???????MOS??????????????
?4.5 ?????
5??(patterning)????????????????? ????????????,?????
???? ?????,?? ???? -??(photomasking?masking?pho
tolithography?microlithography) -??(etching) ????
????????? (????),???? ??????????????
?4.7 ??
6??(doping) ????????(dopant)????????????????? ????
?????(thermal diffusion???????)
????,??????1000?C ,????????? ??????(ion
implantation) ????,?????????(????),?????????
?4.8 ????
?4.9 ???????N??P?????
7???(heat treatments)?????/??????????? -???????????
?????,???????? -???????????????????
????? (1)??(anneal)?????,?????1000?C??,
??????????????? (2)???(alloyed)??????
??, ???????????,?450?C?? (3
)????(photoresist)?????
8 ?4.18 ?? (?) ??
9??(packaging)????????????,????????
?4.19 ???? (IC) ?????
10??
??? (DIP) ??
?? (??) ??
???????
???????(CPU??)
???????