Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1984-08-30
1987-06-23
Niebling, John F.
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
20419212, 20419232, C23C 1436
Patent
active
046750967
ABSTRACT:
A continuous sputtering apparatus comprising a main vacuum chamber, one loading station and a plurality of process stations capable of having their pressures controlled separately. The process station includes a sub vacuum chamber capable of being in communication with the main vacuum chamber through an opening and an evacuation port. The loading station and the process stations are arranged to be spaced with equal angles. Substrate holders are provided to face the stations and are rotated by said equal angle in a time. The substrate holder opens and closes the opening of the sub vacuum chamber to serve as a gate valve.
REFERENCES:
patent: 3981791 (1976-09-01), Rosvold
patent: 4274936 (1981-06-01), Love
patent: 4311427 (1982-01-01), Coad et al.
patent: 4379743 (1983-04-01), Nakatsukasa et al.
patent: 4405435 (1983-09-01), Tateishi et al.
Aiuchi Susumu
Iwashita Katsuhiro
Nakamura Hiroshi
Shimizu Tamotsu
Tateishi Hideki
Hitachi , Ltd.
Leader William T.
Niebling John F.
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