Black-metallized substrate surfaces

Details Black-metallized substrate surfaces Black-metallized substrate surfaces

1983-10-05

1985-08-13

O'Keefe, Veronica

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428143, C23C 302, C23F 502, F24J 302

Patent

active

045350329

ABSTRACT:
Black-metallized substrate surfaces which are characterized by the fact that they reflect at most 20% of electromagnetic radiation within the wavelength range from 200 to 5,000 nm and at least 50% within the wavelength range from 7,000 to 24,000 nm, the percentages being relative to the mean value over the entire wavelength range in each case, and which can be used as sunlight collectors are obtained by metallizing activated substrate surfaces without current in metallizing baths which contain a polymeric surface-active compound.

REFERENCES:
patent: 3903319 (1975-09-01), El-Mohamad
E. M. Lushiku et al., Solar Energy, vol. 19, pp. 272-276, 1976.

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