Title:
放電灯用電極に使用されるタングステン材、放電灯用電極およびそれを用いた放電灯
Document Type and Number:
Japanese Patent JP4011208
Kind Code:
B2
Inventors:
Hitoshi Aoyama
Junichi Uemura
Junichi Uemura
Application Number:
JP27544598A
Publication Date:
November 21, 2007
Filing Date:
September 29, 1998
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H01J61/073
Domestic Patent References:
| JP54050160A | ||||
| JP5054854A | ||||
| JP6119907A | ||||
| JP56050047A | ||||
| JP3283255A | ||||
| JP6060806A |
Attorney, Agent or Firm:
Saichi Suyama