Title:
MANUFACTURE OF PTC RESISTANCE ELEMENT
Document Type and Number:
Japanese Patent JPH0567504
Kind Code:
A
Abstract:
PURPOSE: To provide a PTC resistance element manufacturing method by which a PTC element having a high PTC characteristic can be obtained by uniformly dispersing Cr against V2O3.
CONSTITUTION: This PTC resistance element is manufactured by mixing vanadium trioxide (NH4)2Cr2O7 which is an alcohol-soluble chromium compound, and alcohol and performing calcination, baking, etc., on the mixture after the (NH4)2 Cr2O7 is resolved by heating the mixture.
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Inventors:
NAKAJIMA YOSHIO
KURAMOTO MASAMICHI
KURAMOTO MASAMICHI
Application Number:
JP11002491A
Publication Date:
March 19, 1993
Filing Date:
May 15, 1991
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD
International Classes:
H01C7/02; H01C17/00; (IPC1-7): H01C7/02; H01C17/00
Attorney, Agent or Firm:
Fujiya Shiga (1 person outside)