EP 0338637 B1 19950802 - High pressure mercury vapour discharge lamp.
Title (en)
High pressure mercury vapour discharge lamp.
Title (de)
Hochdruck-Quecksilberdampfentladungslampe.
Title (fr)
Lampe à décharge à vapeur de mercure à haute pression.
Publication
Application
Priority
DE 3813421 A 19880421
Abstract (en)
[origin: EP0338637A2] High-pressure mercury vapour discharge lamp with a bulb (2) containing two tungsten electrodes (9, 10) and a filling which, in addition to noble gas, contains an amount of mercury exceeding 0.2 mg/mm<3> with a mercury vapour pressure exceeding 200 bar and at least one of the halogens chlorine, bromine or iodine in an amount of between 10<-><6> and 10<-><4> mu mol/mm<3>. The wall loading during operation exceeds 1 W/mm<2>. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 61/88 (2006.01); H01J 61/12 (2006.01); H01J 61/20 (2006.01); H01J 61/82 (2006.01); H01J 61/86 (2006.01)
CPC (source: EP KR US)
H01J 61/12 (2013.01 - EP KR US); H01J 61/82 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0338637 A2 19891025; EP 0338637 A3 19910403; EP 0338637 B1 19950802; CA 1303663 C 19920616; CN 1024728 C 19940525; CN 1037235 A 19891115; DD 283875 A5 19901024; DE 3813421 A1 19891102; DE 58909367 D1 19950907; ES 2076199 T3 19951101; HU 200519 B 19900628; HU T50530 A 19900228; JP 2829339 B2 19981125; JP H02148561 A 19900607; KR 0129172 B1 19980406; KR 890016618 A 19891129; US 5109181 A 19920428
DOCDB simple family (application)
EP 89200974 A 19890417; CA 597010 A 19890418; CN 89102533 A 19890418; DD 32772889 A 19890418; DE 3813421 A 19880421; DE 58909367 T 19890417; ES 89200974 T 19890417; HU 186889 A 19890414; JP 9898489 A 19890420; KR 890005042 A 19890418; US 33954089 A 19890417