Power supply for vacuum coating

Details Power supply for vacuum coating Power supply for vacuum coating

1992-08-11

1993-06-01

Bueker, Richard

Coating apparatus

Gas or vapor deposition

Crucible or evaporator structure

118715, C23C 1424

Patent

active

052155900

ABSTRACT:
Transformers (5, 6) are bolted underneath power feeders (4) and each directly connected by a mounting piece (16, 16a) against an outside wall (19) of a tank (1) containing evaporator boats for metal vapor deposition. These mounting pieces (16, 16a) are electrically connected each to a pole of the secondary winding of each transformer (5, 6) so that a direct contacting of the tank with this pole achieved.

REFERENCES:
patent: 2584660 (1952-02-01), Bancroft
patent: 2637298 (1953-05-01), Shapiro
patent: 2996418 (1961-08-01), Bleil
patent: 4217855 (1980-08-01), Takagi

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