Ornamental member

Details Ornamental member Ornamental member

1989-09-11

1991-05-14

Andrews, Melvyn J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428627, 428632, 428336, 428472, 428698, 428699, B32B 1504

Patent

active

050155377

ABSTRACT:
An improved ornamental member including at least two types of Cr or Ti hard films of different color tones disposed by ion plating on a substrate is prepared. The laminate includes a combination of Cr and Ti hard films including a stainless steel colored Cr hard film layer containng Cr, N and C as the main constituents, a gold colored Ti hard film having Ti and N as the main constitutents, a dark grey Ti hard film having Ti, N and C as the main constituents, a blue Ti hard film having Ti and O as the main constituents and a brown Ti hard film having Ti, O and C as the main constituents. The thickness of a single year of hard film is between about 0.2 and 1.5 .mu.m and the total film thickness at the laminated portion is less than about 3 .mu.m. Preferably, each hard film layer is between about 0.2 and 0.8 .mu.m.

REFERENCES:
patent: Re32111 (1986-04-01), Lambert et al.
patent: 3964937 (1976-06-01), Post et al.
patent: 4101703 (1978-07-01), Schintlmeister
patent: 4226932 (1980-10-01), Ferraris
patent: 4720437 (1988-01-01), Chudo et al.
patent: 4943486 (1990-07-01), Uchiyama

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