EP 0837492 A2 19980422 - High intensity discharge lamp with intermediate pressure xenon fill gas
Title (en)
High intensity discharge lamp with intermediate pressure xenon fill gas
Title (de)
Entladungslampe hoher Intensität mit einer Xenon enthaltende Füllung unter mittlerem Druck
Title (fr)
Lampe à décharge de haute intensité avec un remplissage de xénon sous une pression intermédiaire
Publication
Application
Priority
US 73095296 A 19961016
Abstract (en)
A high intensity arc discharge lamp comprises an outer light transmissive envelope having a light transmissive arc discharge tube positioned therewithin. The arc discharge tube has electrodes at opposite ends thereof and means are provided for electrical connection to the electrodes. An arc generating and sustaining medium is provided within the arc tube, the medium comprising a substantial amount of mercury, at least the iodides of sodium, scandium and lithium, and xenon at a fill pressure at room temperature of between about 130 millibar to about 260 millibar. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 61/18 (2006.01); H01J 61/82 (2006.01)
CPC (source: EP)
H01J 61/18 (2013.01); H01J 61/822 (2013.01)
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0837492 A2 19980422; EP 0837492 A3 19980527; CA 2215088 A1 19980416
DOCDB simple family (application)
EP 97115546 A 19970908; CA 2215088 A 19970911