CERAMIC HEATER AND METHOD OF MANUFACTURING THE SAME

Title:

CERAMIC HEATER AND METHOD OF MANUFACTURING THE SAME

Document Type and Number:

Japanese Patent JP2002299010

Kind Code:

A

Abstract:

To provide a long-life ceramic heater, capable of effectively preventing or suppressing the generation of cracks in a metal lead wire.

The ceramic heater has a structure, in which a heating element consisting of a resistance heater 10 and metal lead wires 11 and 12 inserted/ engaged with the resistance heater is embedded in an insulating ceramic base 13. A diffusion layer, containing at least one element of Ni, Cr and Co, is formed on the surface of the metal lead wires 11 and 12.

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Inventors:

KONISHI MASAHIRO
YAMAGUCHI TAKESHI
TATEMATSU KAZUO
YABUTA KATSUHISA

Application Number:

JP2001102955A

Publication Date:

October 11, 2002

Filing Date:

April 02, 2001

Export Citation:

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Assignee:

NGK SPARK PLUG CO

International Classes:

F23Q7/00; H05B3/02; H05B3/18; H05B3/48; (IPC1-7): H05B3/02; H05B3/18; H05B3/48

Attorney, Agent or Firm:

Masanori Sugawara

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