EP 0374345 A3 19910424 - INCANDESCENT LAMPS INCLUDING A COMBINED GETTER
Title (en)
INCANDESCENT LAMPS INCLUDING A COMBINED GETTER
Publication
Application
Priority
US 28776988 A 19881221
Abstract (en)
[origin: EP0374345A2] This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention, there is provided an incandescent lamp comprising an envelope, a tungsten filament mounted within the envelope, a fill gas, and a getter comprising silane and phosphorus. In accordance with another aspect of the present invention, there is provided a method of gettering an incandescent lamp. The method comprises providing a getter comprising phosphorus and silane in an unsealed lamp envelope; sealing the lamp envelope; and activating the phosphorus source and silane located within the sealed envelope.
IPC 1-7
IPC 8 full level
CPC (source: EP)
H01K 1/56 (2013.01)
Citation (search report)
- [A] US 3475072 A 19691028 - GRAVES JAMES ARTHUR
- [A] US 4727286 A 19880223 - KEENAN JAMES P [US], et al
- [A] US 3585435 A 19710615 - JAMPENS GERMAIN REMI T
- [A] EP 0168016 A2 19860115 - GTE PROD CORP [US]
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0374345 A2 19900627; EP 0374345 A3 19910424; EP 0374345 B1 19950503; DE 68922475 D1 19950608; DE 68922475 T2 19960125; JP H02174050 A 19900705
DOCDB simple family (application)
EP 89102143 A 19890208; DE 68922475 T 19890208; JP 2774789 A 19890208