Metallic rotational polygon mirror

Details Metallic rotational polygon mirror Metallic rotational polygon mirror

1985-03-11

1987-02-17

Corbin, John K.

350 16, G02B 2610

Patent

active

046435182

ABSTRACT:
This specification discloses a metallic rotational polygon mirror having a metallic member formed of aluminum or an alloy thereof, a thin film formed of at least one of chromium, tungsten and nickel on the metallic member, and a thin metal film of high reflection factor formed of at least one of gold, silver and copper on the thin film. The metallic rotational polygon mirror has a high reflection factor and a strong intimate contact property between the metallic member and the thin film and between the thin films, and has excellent corrosion resistance and durability.

REFERENCES:
patent: 3853386 (1974-12-01), Ritter et al.
patent: 4122239 (1978-10-01), Riboulet et al.
patent: 4189205 (1980-02-01), Vandehei
patent: 4229066 (1980-10-01), Rancourt et al.
patent: 4447112 (1984-05-01), Matsuoka et al.
patent: 4504109 (1985-03-01), Taga et al.

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