Title:
箔シールランプ
Document Type and Number:
Japanese Patent JP4200823
Kind Code:
B2
Abstract:
A foil seal lamp in which even when a high temperature of the seal area is reached oxidation of the molybdenum metal foils (2) and the molybdenum outer leads (4) which have been placed in the seal area can be reliably prevented, and in which a long service life can be obtained. is achieved by providing the surfaces of the metal foil (2) and the outer lead (4) which are placed in the seal areas with protective coatings (L) of crystalline molybdate. An increase in the amount of protective coating (L) that can be carried is produced by surface roughening the outer leads (4).
Inventors:
Kai Kamazo
Kaoru Nakamura
Kazunori Morikawa
Kaoru Nakamura
Kazunori Morikawa
Application Number:
JP2003172268A
Publication Date:
December 24, 2008
Filing Date:
June 17, 2003
Export Citation:
Assignee:
Ushio, Inc.
International Classes:
H01K1/40; H01J61/36; H01K1/38
Domestic Patent References:
| JP4272645A | ||||
| JP6295710A | ||||
| JP2001023581A | ||||
| JP9315837A | ||||
| JP11007918A | ||||
| JP5174611A |
Attorney, Agent or Firm:
Tsutomu Igarata