Method of coating a fused silica envelope

Details Method of coating a fused silica envelope Method of coating a fused silica envelope

1981-08-24

1983-07-12

Morgenstern, Norman

Coating processes

Solid particles or fibers applied

Interior or hollow article coating

427106, 427215, 427230, 427245, 4273761, 4273762, B05D 512

Patent

active

043931006

ABSTRACT:
The coating on the inside of a metal halide lamp for promoting the formation of a liquid condensate film consists of particles of a refractory oxide in generally block-like or spherical or fiber-like shapes. Block-like or spherical particles should be laid down as monolayers with the distances between particles being of the order of the particle dimensions. Fiber-like particles may be also laid down as a monolayer or, alternatively, in a coating several diameters thick to form "fiber piles" having a free volume for holding liquid which is much greater than the volume of the fibers.

REFERENCES:
patent: 3219868 (1965-11-01), Mason
patent: 3377498 (1968-04-01), Koury et al.
patent: 3845343 (1974-10-01), Hammes
patent: 3851200 (1974-11-01), Thomasson
patent: 4081709 (1978-03-01), Collins et al.
patent: 4081714 (1978-03-01), Mossel et al.
patent: 4091163 (1978-05-01), Clausen
patent: 4099080 (1978-07-01), Dawson
patent: 4256988 (1981-03-01), Coaton

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