Method for surface treatment by ion bombardment

Details Method for surface treatment by ion bombardment Method for surface treatment by ion bombardment

1983-01-25

1985-02-19

Kittle, John E.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 35, 427 38, 427 46, 134 1, B05D 306

Patent

active

045005648

ABSTRACT:
An article to be coated by vacuum deposition of a metallic substance is given a preliminary surface treatment to ensure perfect deposition of the metallic substance. This preliminary surface treatment is effected by placing the article under treatment in an atmosphere of the same reaction gas vacuumized to the same degree as during vacuum deposition, causing a hot filament to release thermionicelectrons within the atmosphere thereby inducing the phenomenon of discharge, and causing ions by the discharge to bombard the article under treatment.

REFERENCES:
patent: 3272175 (1966-09-01), Lorenz
patent: 3326177 (1967-06-01), Taylor
patent: 3411938 (1968-11-01), Storck
patent: 4099969 (1978-07-01), Leder
patent: 4256780 (1981-03-01), Gaerttner et al.

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