Selective reflecting metal/metal oxide coatings using surfactant

Details Selective reflecting metal/metal oxide coatings using surfactant Selective reflecting metal/metal oxide coatings using surfactant

1974-05-17

1976-03-16

Welsh, John D.

Metal treatment

Compositions

Heat treating

148 631, 148 635, 427299, 427165, 427167, 252407, 427305, C23C 1100

Patent

active

039444406

ABSTRACT:
Metal/metal oxide coated articles having selective reflectance and transmittance of radiation over an extended spectral range are provided by a combination of alternately disposed coating layers of metal and metal oxide, the metals of the metal layer being silver, chromium, iron, cobalt or nickel and the metal oxide being copper oxide. Chemical or electroless plating techniques are disclosed for the production of such articles. Uniform oxide coatings are formed by first depositing metal films, then treating them with surfactants to promote uniform oxidation and then exposing them to an oxidizing environment.

REFERENCES:
patent: 1310020 (1919-07-01), Huestis
patent: 1602274 (1926-10-01), Lewis
patent: 2015424 (1935-09-01), Forst
patent: 2359799 (1938-04-01), Shoemaker

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