Chemistry: electrical and wave energy – Apparatus – Coating – forming or etching by sputtering
Patent
1989-03-14
1990-10-09
Weisstuch, Aaron
Chemistry: electrical and wave energy
Apparatus
Coating, forming or etching by sputtering
20429825, C23C 1434
Patent
active
049618326
ABSTRACT:
The apparatus for applying film coatings onto substrates in vacuum comprises a vacuum working chamber with a holder of substrates and magnetron material sputtering units, an evacuation chamber equipped with magnetron pump and communicating with a gas source, a pre-evacuation pump, an auxiliary evacuation chamber with a magnetron pump, an auxiliary gas source and a system of conduits. The system includes a conduit equipped with a control valve, communicating the auxiliary gas source with the auxiliary evacuation chamber, and two conduits each with its control valve, communicating the respective gas sources with the working chamber.
REFERENCES:
patent: 3484358 (1969-12-01), Androshuk et al.
patent: 3691053 (1972-09-01), James et al.
patent: 4606929 (1986-08-01), Petrakov
"Technology of Magnetron Spraying for Producing Thin Films for Electronic Industry", Leybold-Heraeus Co., Germany.
Balykin Pavel S.
Domrachev Vladimir A.
Lisitsyn Vitaly E.
Petrakov Vladimir P.
Shagun Vladimir A.
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