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Title:
ELECTRODE MEMBER GROUP FOR COLD CATHODE FLUORESCENT LAMP
Document Type and Number:
Japanese Patent JP2008130395
Kind Code:
A
Abstract:

To provide an electrode member group and its manufacturing method capable of preventing gas from leaking from a sealed part of a glass tube of a cold cathode fluorescent lamp, and a manufacturing method of the cold cathode fluorescent lamp using the electrode member group.

An electrode member 10 is provided with an electrode part 11, a lead part 12, and a glass part 13. An oxide film 12s is formed on a part covered by the glass part 13 on a front surface of the lead part 12. The electrode member group is provided with an electrode member A with a thick oxide film, and an electrode member B with a thin oxide film. The electrode member A is arranged on a side where the glass is heated with an inside of the tube containing atmosphere in fixing the electrode member A on the glass tube of the cold cathode fluorescent lamp. The electrode member B is arranged on a side where the glass is heated with the inside of the tube being vacuum. A plurality of the electrode members with oxide films of different thicknesses are prepared, and these electrode members are used selectively in fixing on the glass tube to prevent the gas in the tube from leaking from the sealed part of the glass tube.


Inventors:
Inasawa, Shinji
Hosoe, Akihisa
Yamazaki, Kazuo
Tokuda, Takeyuki
Tominaga, Tetsuji
Application Number:
JP2006000314866
Publication Date:
June 05, 2008
Filing Date:
November 21, 2006
Export Citation:
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Assignee:
SUMITOMO ELECTRIC IND LTD
SUMIDEN FINE CONDUCTOR KK
International Classes:
H01J61/067; H01J9/02; H01J9/28; H01J9/32; H01J61/36
Domestic Patent References:
JPH11238489A
JP2008130396A
JPH043969A
JPH08250028A
JPH11238489A
JP2008130396A
JPH043969A
JPH08250028A
Attorney, Agent or Firm:
山野 宏