Patent ID: 6274855
Filing Date: 2001-08-14
Classification: H05B,Y10T

Abstract:
A heating resistor for a ceramic heater comprising:an electrically conductive element containing materials including at least one of a silicide, carbide and nitride of at least one metallic element selected from W, Ta, Nb, Ti, Mo, Zr, Hf, V and Cr;an adjusting element made at least with the materials of the electrically conductive element for changing a resistance temperature coefficient of the heating resistor for the ceramic heater; anda sintered body wherein when a total of the electrically conductive element and the adjusting element is 100 wt %, the adjusting element is 0.1 to 5.0 wt %, and average diameter of crystal grains of the electrically conductive element is 11 .mu.m or less.