Title:
ARC DISCHARGE LAMP GLASS FACEPLATE AND METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO2002095786
Kind Code:
A3
Abstract:
An arc discharge lamp, particularly an ultra high pressure lamp (10), a glass faceplate (18) for such lamp and a method of controlling transmission during lamp operation, the glass containing cuprous halide microcrystals dispersed therein and being capable of absorbing radiation below a wavelength of about 420 nm, the glass faceplate (18) having a film (22) that reflects ultra-violet radiation, and the method comprising maintaining the faceplate (18) at a low temperature during lamp operation to prevent a phase change in the cuprous halide.
Inventors:
HAYASHI TAKAKAZU
KUSUMI YASUO
MINEMATSU KENICHI
OKADA AKIRA
REMY CHRISTOPHE
KUSUMI YASUO
MINEMATSU KENICHI
OKADA AKIRA
REMY CHRISTOPHE
Application Number:
PCT/US2002/015065
Publication Date:
March 06, 2003
Filing Date:
May 14, 2002
Export Citation:
Assignee:
CORNING INC (US)
International Classes:
H01J61/30; H01J61/35; H01J61/40; H01J61/86; F21V9/06; F21Y101/00; (IPC1-7): H01J5/08; H01J5/16; H01J17/16; H01J61/30; H01J61/35; H01J61/40; H01K1/26; H01K1/28; H01K1/32; C03C3/11; C03C4/08
Foreign References:
US5322819A | 1994-06-21 | |||
US5412274A | 1995-05-02 | |||
US5705882A | 1998-01-06 | |||
US5894366A | 1999-04-13 |
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