Electromagnetic wave energy absorbing material

Details Electromagnetic wave energy absorbing material Electromagnetic wave energy absorbing material

1982-06-21

1983-07-19

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428469, B32B 1504, B32B 1520, B32B 702

Patent

active

043944159

ABSTRACT:
An electromagnetic wave energy absorbing material for use in a solar energy industry, which absorbs effectively the energy of an electromagnetic wave such as the sunlight, is disclosed. This energy absorbing material comprises an aluminum material such as an aluminum simple substance and an aluminum alloy having a microporous aluminum oxide layer having a thickness of 0.1-1.4 .mu.m on its surface, and 0.05-1.5 g/m.sup.2 of at least one of elements selected from the group consisting of cobalt, silver, lead, molybdenum, copper, chromium, selenium, silicon, germanium, iron, manganese, nickel, zinc, tin and palladium is deposited in the micropores of the microporous aluminum layer.

REFERENCES:
patent: 2762724 (1956-09-01), Brennan
patent: 3492148 (1970-01-01), Hervert
patent: 4184885 (1980-01-01), Paace et al.

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