Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1983-02-01
1984-08-21
Newsome, John H.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
204192N, 427318, 4272552, C23C 1108
Patent
active
044669917
ABSTRACT:
A cutting tool hardening method, according to which a tool to be hardened is heated in air to a temperature of 130.degree. to 560.degree. C. in order to produce an oxide film 200 to 10,000 .ANG. thick on its surface which is then coated with a wear-resistant material by vacuum deposition.
REFERENCES:
patent: 3900592 (1975-08-01), Kennedy et al.
patent: 3915757 (1975-10-01), Engel
patent: 4346123 (1982-08-01), Kaufmann
Andreev Anatoly A.
Galitskaya Galina K.
Gavrilov Alexei G.
Padalka Valentin G.
Sinelschikov Andrei K.
Newsome John H.
Vsesojuzny Nauchno-Issledovatelsky Instrumentalny Institut
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