Hybrid interference coatings, lamps, and methods

Details Hybrid interference coatings, lamps, and methods Hybrid interference coatings, lamps, and methods

2009-07-08

2011-10-11

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

C313S112000, C359S586000, C359S588000, C359S589000

Reexamination Certificate

active

08035285

ABSTRACT:
Disclosed herein are optical interference multilayer coatings having region provided by a physical vapor deposition process and region provided by a chemical vapor deposition process. Also disclosed herein are methods of making such coatings, as well as lamps comprising a light-transmissive envelope, at least a portion of the surface of the light-transmissive envelope being provided with the optical interference multilayer coating noted above. Such coatings, when used on lamps, may advantageously offer improved energy efficiencies for such lamps.

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