Chaoite coating process

Details Chaoite coating process Chaoite coating process

1979-11-19

1981-02-03

Hoffman, James R.

Coating processes

Optical element produced

427 531, 427164, 427166, 427249, G02B 110, C03C 1722

Patent

active

042489091

ABSTRACT:
A hard, transparent optical coating is formed on selected substrates by a deposition process in which carbon gas is quenched by and condenses on the substrate surface. The coating consists of one of the crystalline linear carbon forms, collectively known as carbynes, characterized by its hardness, stability, high refractive index and low optical absorption. The principal applications of the coating are for protective optical layers, and as antireflection or optical corrective films.

REFERENCES:
patent: 3733394 (1973-05-01), Whittaker
patent: 3904505 (1975-09-01), Aisenberg

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