Patent ID: 6014073
Filing Date: 2000-01-11
Classification: G01K,H01C

Abstract:
A temperature sensor element comprisinga metallic support having a shape of a flat board, wherein the metallic support comprises a heat-resistant alloy consisting essentially of 18 atom % of Cr, 3 to 4 atom % of Al and the remainder of Fe, and has a thickness of 0.2 to 10 mm,a first electric-insulating Al.sub.2 O.sub.3 film of 1 to 3 .mu.m thickness provided on the support,a first temperature sensitive oxide thin film including Al, Cr, and Fe with corundum crystal structure or spinel crystal structure provided on the first electric-insulating film and having a pair of electrodes of 0.05 to 3 .mu.m thickness containing Pt, anda second electric-insulating Al.sub.2 O.sub.3 film provided on the temperature sensitive film.