Spectrally selective surfaces and method of fabricating the same

Details Spectrally selective surfaces and method of fabricating the same Spectrally selective surfaces and method of fabricating the same

1977-08-08

1979-05-08

Ansher, Harold

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

126270, 156297, 156306, 156312, 427190, 427194, 427369, 428472, 428484, 428539, 428913, 428918, F24J 302, B32B 3120, B32B 1516

Patent

active

041537530

ABSTRACT:
The invention comprises spectrally selective surfaces having a good performance at relatively low cost, and designed to be used mainly, but not exclusively, in solar thermal energy collectors. Suitable substances in powder form are attached by simple and effective means to a suitable surface. This is accomplished by the use of new classes of binders, or alternatively, by novel, purely mechanical means, without the use of a binder. The binders described herein feature a high transparency for the infrared radiation emitted by the hot underlying surface, coupled with good adhesive properties towards both the powder and the surface to be coated. The method of effecting the adhesion of a powder layer to the underlying surface without the use of a binder consists of bringing the powder layer into intimate contact with the surface, for example by pressing or rolling the powder layer onto or into the surface, especially with simultaneous mechanical deformation of the object whose surface is being coated.

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patent: 4045607 (1977-08-01), Swearingen
patent: 4061830 (1977-12-01), Greenberg
patent: 4064311 (1977-12-01), McLean et al.
patent: 4065626 (1977-12-01), Franz
patent: 4091145 (1978-05-01), Endo et al.

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