Optical filter having multi-layer coating

Details Optical filter having multi-layer coating Optical filter having multi-layer coating

1995-03-07

1997-01-07

Krynski, William A.

Stock material or miscellaneous articles

Composite

Of metal

428216, 428432, 428433, 428472, 428632, 428697, 428701, 428702, 359359, 359360, 359585, B32B 1504

Patent

active

055915299

ABSTRACT:
In a multi-layer coating for a material of good transparency for visible light, with an emissivity e<0.04 and a light transmission T.gtoreq.78% and with two silver layers of different thickness, three oxide coatings are provided, and very thin metal or metal suboxide coatings as blockers, the oxide layers being alloys of the metals SnMg, SnAl, SnZr, SnTi or SnTa.

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