| 摘要 |
PROBLEM TO BE SOLVED: To reduce cost, and to improve output responsiveness, output stability and durability, in a gas sensor element 1 including a solid electrolyte 2, a measuring electrode 3 provided on its outer peripheral surface, and a reference electrode 4 provided on its inner peripheral surface.SOLUTION: A reference electrode 3 comprising a reference electrode detection part 30, a reference electrode lead part 31 and a reference electrode terminal part 32 is provided with a reference electrode thick film part Lin which the film thickness of a part or the whole of the reference electrode detection part 30 is formed thicker than the film thickness of the reference electrode lead part 31 and the reference electrode terminal part 32. |
