Title:
MANUFACTURE OF PTC RESISTANCE ELEMENT
Document Type and Number:
Japanese Patent JPH05267007
Kind Code:
A
Abstract:
PURPOSE: To obtain a PTC resistance element of a higher sintered density at a lower sintering temperature.
CONSTITUTION: (V1-xCrx)2O3 (where, 0≤x≤0.015) is calcined at a temperature of 1100°C or above. Fe-Ni alloy is added as a sintering assistant to the calcined body. The resultant mixture is fired at a temperature of 1480°C or above to manufacture a PTC resistance element. It is preferable that the Ni content in the Fe-Ni alloy is 10% or more and the quantity of Fe-Ni alloy added is 2.5-25wt.%.
Inventors:
Masako Tanaka
Tanigaki Shuzo
Kuramoto Masamichi
Tanigaki Shuzo
Kuramoto Masamichi
Application Number:
JP6272192A
Publication Date:
October 15, 1993
Filing Date:
March 19, 1992
Export Citation:
Assignee:
KABUSHIKI KAISHA MEIDENSHA
International Classes:
H01C7/02; H01C17/00; (IPC1-7): H01C7/02; H01C17/00
Attorney, Agent or Firm:
Fujiya Shiga (1 person outside)