Infrared reflecting articles

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1978-04-03

1979-12-18

Hoffman, James R.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

350166, 427160, G02B 528, B05D 506, B05D 136

Patent

active

041791819

ABSTRACT:
Articles having an interference coating which reflects infrared energy are disclosed. The coating has a period of three layers in which the first and third layers are a refractory dielectric material and the intermediate, or second layer, is silver. If the period is repeated once, the cut-off between transmission and reflection is sharper than the coating having a single period.

REFERENCES:
patent: 3682528 (1972-08-01), Apfel et al.
patent: 3846152 (1974-11-01), Franz
patent: 3990784 (1976-11-01), Gelber

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