Apparatus for applying coatings

Details Apparatus for applying coatings Apparatus for applying coatings

1976-03-29

1977-06-14

Stein, Mervin

Coating apparatus

With cutting, punching or tearing of work

Web or sheet work

427251, C23C 1312

Patent

active

040290450

ABSTRACT:
An apparatus for applying coatings to very small objects which includes levitating the objects in an environment established for vapor deposition or sputtering in such a way that a uniform coating can be applied. The design includes a permanent magnet and a retaining diaphragm together with a variable frequency oscillator and amplifier to achieve vibrations of the diaphragm during the coating operation in such magnitude as to keep the selected particles suspended above the diaphragm to expose the entire surface to the coating being applied.

REFERENCES:
patent: 2374331 (1945-04-01), Cooke
patent: 3050981 (1962-08-01), Schwarz
patent: 3082124 (1963-03-01), French et al.
patent: 3189535 (1965-06-01), Webb
patent: 3378393 (1968-04-01), Roberts
patent: 3537886 (1970-11-01), Rively et al.

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