Method of producing a light transmitting absorbing coating on su

Details Method of producing a light transmitting absorbing coating on su Method of producing a light transmitting absorbing coating on su

1976-10-21

1977-09-13

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

427167, 428428, 427450, C23C 1500

Patent

active

040480399

ABSTRACT:
A light transmitting, absorbing coating is produced on a substrate by depositing by cathode sputtering alternate layers of silicon in an oxidizing residual gas atmosphere and chrome in a non-oxidizing residual gas atmosphere. The light transmitting layer comprises a substrate having a coating of a bluish-grey transmission color which comprises a plurality of alternate chrome and silicon dioxide layers with the thickness of the individual chrome layers being smaller than 10 nm.

REFERENCES:
patent: 2769778 (1956-11-01), Preston
patent: 2825687 (1958-03-01), Preston et al.
patent: 3694337 (1972-09-01), Kushihashi et al.
patent: 3715244 (1973-02-01), Szupillo
patent: 3798146 (1974-03-01), Wan et al.
patent: 3826728 (1974-07-01), Chambers et al.
patent: 3920533 (1975-11-01), Pompei

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