Metering device for a vacuum deposition apparatus

Details Metering device for a vacuum deposition apparatus Metering device for a vacuum deposition apparatus

1977-09-28

1979-11-20

Reynolds, Wm. Carter

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to condition of coating material

118708, 118722, B05C 1100, C23C 1312

Patent

active

041746767

ABSTRACT:
A device for feeding materials to an evaporator of a vapor deposition apparatus comprises a balance onto which material to be evaporated is fed and an ejector associated with the balance and responsive to a predetermined weight of the substance on the balance to eject the substance from the balance through a trajectory path and into the evaporator.

REFERENCES:
patent: 2549908 (1951-04-01), Johansen
patent: 2635579 (1953-04-01), Chadsey, Jr.
patent: 3116958 (1964-01-01), Blair et al.
patent: 3446184 (1969-05-01), Johnson
patent: 4022937 (1977-05-01), Bennett et al.

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