Title:
ハロゲンランプ
Document Type and Number:
Japanese Patent JP7351247
Kind Code:
B2
Abstract:
To provide a halogen lamp capable of reducing heat loss in an internal lead electrically connecting a light-emitting part with a metal foil in a sealing part of a light-emitting tube, speeding up a start-up of the light-emitting part, and increasing heat energy in the light-emitting part in the halogen lamp including the light-emitting part consisting of a coiled filament in an inner part of the light-emitting tube.SOLUTION: At least a part of an internal lead that connects a metal foil in an encapsulated part to a light-emitting part has a recrystallized part whose crystal structure has been recrystallized.SELECTED DRAWING: Figure 1
Inventors:
Tadakazu Kawamura
Application Number:
JP2020050337A
Publication Date:
September 27, 2023
Filing Date:
March 20, 2020
Export Citation:
Assignee:
Ushio, Inc.
International Classes:
H01K1/20; H01K1/40
Domestic Patent References:
| JP2002075606A | ||||
| JP2003059459A | ||||
| JP2009009927A | ||||
| JP2013179002A | ||||
| JP2016065270A |
Foreign References:
| US20030122484 |
Attorney, Agent or Firm:
Tsutomu Isohata
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