C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 3/06 (2006.01) C03C 4/00 (2006.01) C03C 4/08 (2006.01) H01J 5/04 (2006.01) H01J 61/30 (2006.01) H01J 61/40 (2006.01)
Patent
CA 2095649
UV ABSORBING FUSED QUARTZ AND ITS USE FOR LAMP ENVELOPES ABSTRACT OF THE DISCLOSURE Fused quartz containing europium oxide, titanium dioxide and cerium oxide has been found to be effective for absorbing UV radiation while transmitting visible light radiation. Uses for this material include lamp envelopes and shrouds for halogen incandescent lamps and metal halide arc discharge lamps which emit both W and visible light radiation.
Allen Gary R.
Bateman Robert L. Jr.
Mathews Paul G.
Parham Thomas G.
Scott Curtis E.
Company General Electric
Craig Wilson And Company
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