Method for applying a coating to a lamp and coated lamp

Details Method for applying a coating to a lamp and coated lamp Method for applying a coating to a lamp and coated lamp

2005-05-03

2005-05-03

Versteeg, Steven (Department: 1753)

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

C204S192100, C427S106000, C427S107000

Reexamination Certificate

active

06887354

ABSTRACT:
A method for applying a coating (23) to a part of a surface of a lamp (20). The aim is to provide a simple manner of applying exact coatings to parts of surfaces with complicated designs. To this end, the lamp is vacuum-coated. The parts of the surface of the lamp (20) that are not to be coated are covered by a mask (3) and at least one coat is applied to the non-covered parts of the surface. The mask (3) is located at a predetermined distance (d) from the part of the surface of the lamp (20) and the mask (3) is oriented in relation to an illumination element (2) or a base (21) of the lamp (20). The invention also relates to a coated lamp that is produced according to a method of this type.

REFERENCES:
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patent: 4661233 (1987-04-01), Glasser
patent: 4802968 (1989-02-01), Hendrix et al.
patent: 5539393 (1996-07-01), Barfod
patent: 5676579 (1997-10-01), Parham et al.
patent: 36 01 010 (1987-07-01), None
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patent: 0 237 647 (1987-09-01), None
patent: WO 9848444 (1998-10-01), None
Database WPI Section EI, Week 200201 Derwent Publications Ltd., London, GB; AN 2002-000107 XP002188755 & CN 1 773 037 A (China Kinescope Co Ltd), Feb. 11, 1998.
“Handbook of Sputter Deposition Technology and Applications” von Kiyotaka Wasa, 1992 bei Noyes Publications, Fairview Ave. Westwood, New Jersey 07675 USA.

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