EP 1001451 A1 20000517 - Arc discharge lamp containing barium and having an arc tube of yttrium, gadolinium or terbium oxide
Title (en)
Arc discharge lamp containing barium and having an arc tube of yttrium, gadolinium or terbium oxide
Title (de)
Barium enthaltende Bogenentladungslampe mit einer Bogenröhre aus Yttrium-, Gadolinium- oder Terbiumoxide
Title (fr)
Lampe à décharge à arc contenant du barium et comportant un tube à arc en oxyde d'yttrium, de gadolinium ou de terbium
Publication
Application
Priority
US 18969698 A 19981110
Abstract (en)
An arc discharge lamp includes an arc tube (10) containing a rare gas and metallic barium. The arc tube (10) is constructed from a material selected from a group of materials consisting of yttria, gadolinium oxide, and terbium oxide. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 61/06 (2006.01); H01J 61/18 (2006.01); H01J 61/20 (2006.01); H01J 61/30 (2006.01); H01J 61/34 (2006.01)
CPC (source: EP)
H01J 61/18 (2013.01); H01J 61/302 (2013.01)
Citation (search report)
- [A] US 3622217 A 19711123 - GALLO CHARLES F
- [DA] US 4166831 A 19790904 - REID F JOSEPH [US], et al
- [A] GB 1498258 A 19780118 - PHILIPS ELECTRONIC ASSOCIATED
- [A] EP 0341750 A2 19891115 - GTE PROD CORP [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1001451 A1 20000517; EP 1001451 B1 20030813; AT E247331 T1 20030815; CA 2274199 A1 20000510; DE 69910329 D1 20030918; DE 69910329 T2 20040226; JP 2000149867 A 20000530
DOCDB simple family (application)
EP 99121066 A 19991021; AT 99121066 T 19991021; CA 2274199 A 19990609; DE 69910329 T 19991021; JP 31690699 A 19991108