Title:
メタルハライドランプ
Document Type and Number:
Japanese Patent JP4693995
Kind Code:
B2
Abstract:
The invention relates to a metal halide lamp which is provided with a discharge vessel having a ceramic wall and enclosing a discharge space. Two electrodes having tips at a mutual distance EA are positioned in the discharge space, which contains besides Xe also an ionizable filling with NaI and CeI3. The discharge vessel has an internal diameter Di at least over the length EA. According to the invention it holds that Di<1.4 mm and also that the relation EA/Di<5 is complied with.
Inventors:
Hendrix Josephs CM
Mueller Hermann
Wehrdestein Petras AM
Val Ravens Arnoldas Jay
Mueller Hermann
Wehrdestein Petras AM
Val Ravens Arnoldas Jay
Application Number:
JP2000616046A
Publication Date:
June 01, 2011
Filing Date:
April 20, 2000
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H01J61/16; H01J61/12; H01J61/88; H01J61/20; H01J61/30; H01J61/82; H01J61/84
Domestic Patent References:
| JP59111244A | ||||
| JP4218252A | ||||
| JP1149359A | ||||
| JP6084496A | ||||
| JP10144260A | ||||
| JP62066556A | ||||
| JP4230946A |
Foreign References:
| WO1999005699A1 | ||||
| WO1998025294A1 |
Attorney, Agent or Firm:
Susumu Tsugaru
Akihiko Miyazaki
Akihiko Miyazaki