Title:
GLASS ABSORBING ULTRAVIOLET LIGHT, PASSING YELLOW LIGHT AND USED FOR LAMP CONTAINER
Document Type and Number:
Japanese Patent JP3497787
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide glass which absorbs ultraviolet light, passes yellow light in a visible light range, and can be used not only for the containers of tungsten.halogen lamps and other high temperature light sources but also for the containers of shield beam incandescent lamps.
SOLUTION: This glass comprises 55-95.7 wt.% (based on each oxide) of SiO2, 0-28 wt.% of B2O%3, 0.3-18 wt.% of Al2O3, 0-4 wt.% of SrO, 0-13 wt.% of BaO, 0-13 wt.% of CaO, 0-8 wt.% of MgO, 0-7.5 wt.% of Na2O, 0-9.5 wt.% of K2O, 0-1.5 wt.% of Li2O, 0-1.5 wt.% of Sb2O3, 0.4-4.5 wt.% of Nd2O3, and 0.1-1 wt.% of CeO2.
Inventors:
Richard Herbert Crane
Laura Oscaudal de Angelis
William Lloyd Haynes
Ronald Leroy Stewart
Laura Oscaudal de Angelis
William Lloyd Haynes
Ronald Leroy Stewart
Application Number:
JP31264699A
Publication Date:
February 16, 2004
Filing Date:
November 02, 1999
Export Citation:
Assignee:
Corning Incorporated
International Classes:
C03C3/06; C03C3/095; C03C4/08; G02B5/20; H01J61/30; H01J61/40; H01K1/32; (IPC1-7): C03C3/095; C03C3/06; C03C4/08; H01K1/32
Domestic Patent References:
| JP575251A |
Attorney, Agent or Firm:
Seiji Yanagida (1 person outside)
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