Patent ID: 6406646
Filing Date: 2002-06-18
Classification: H01C

Abstract:
A resistive paste composition for the formation of an electrically heat-generating layer, which comprises (a) 5 to 75% by weight of particles of ruthenium(Ru) metal or an oxide thereof having a specific surface area of 5 to 30 m2/g, (b) 5 to 75% by weight of particles of silver(Ag) metal or a compound thereof having an average particle size of 0.1 to 3 &mgr;m; the maximum particle size not exceeding 7 &mgr;m, (c) 5 to 40% by weight of a glass frit powder having a softening point of 400 to 550Â° C. and (d) 5 to 45% by weight of an organic binder, the glass frit comprising 40 to 90 wt % of Bi2O3, 5 to 30 wt % of SiO2, 5 to 30 wt % of B2O3, and 2 to 40 wt % of BaO.