Aluminum surfaces

Details Aluminum surfaces Aluminum surfaces

1993-04-09

1995-04-04

Turner, A. A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428216, 428469, 428472, 428697, 428699, 428701, 428702, G02B 508

Patent

active

054036577

ABSTRACT:
Articles of aluminum containing at least one unanodized surface or parts of at least one unanodized surface which are suitable for the deposition of layers or layer systems from the gas phase on said unanodized surfaces, the unanodized surfaces being of a refined aluminum with a degree of purity of equal to, or greater than, 98.3% by weight or aluminum alloys of said aluminum with at least one of the elements from the series comprising Si, Mg, Mn, Cu, Zn or Fe, and the surfaces have a peak-to-valley height Ra of equal to, or less than, 1 .mu.m, and the layer or the layer system is a reflective layer, in particular for radiations in the optical range.

REFERENCES:
patent: 3372008 (1968-03-01), Korver
patent: 4556285 (1985-12-01), Sugiura et al.
patent: 4691998 (1987-09-01), Sakagaito et al.
patent: 4826737 (1989-05-01), Yamada et al.

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