Title:
映写用メタルハライド放電ランプ
Document Type and Number:
Japanese Patent JP3993656
Kind Code:
B2
Abstract:
The lamp has a transparent discharge vessel (2) contg. two electrodes (3) mounted opposite each other. The electrodes are connected to leads passing out of the vessel. The vessel contains an ionisable medium, consisting of mercury, at least one rare gas, at least one halogen, a rare earth metal and a further metal for the formation of metal halogenides. The further metal can be niobium, which can make up between 0.3 and 1.5 micromoles per cubic centimetre of the vessel's vol. Alternatively, the further metal can be dysprosium, which can make up between 0.3 and 3 micromoles per cubic centimetre of the vessel's vol.
Inventors:
Andreas Genz
Joachim Day Lux
Hans-Werner Gelling
Clemens Bartelmes
Joachim Day Lux
Hans-Werner Gelling
Clemens Bartelmes
Application Number:
JP23251496A
Publication Date:
October 17, 2007
Filing Date:
August 14, 1996
Export Citation:
Assignee:
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MIT BESCHRANKTER HAFTUNG
International Classes:
H01J61/20; H01J61/12; H01J61/86
Domestic Patent References:
| JP5198284A | ||||
| JP6168700A | ||||
| JP7153424A | ||||
| JP49108871A |
Attorney, Agent or Firm:
Iwao Yamaguchi