TERMINAL ELECTRODE MEMBER

PROBLEM TO BE SOLVED: To provide a highly reliable terminal electrode member for establishing a firm and long-standing electrical connection between a terminal electrode and an internal electrode embedded in a substrate, with the substrate free from cracking after repeated application of thermal stresses by heating. SOLUTION: The terminal electrode member has: a plate-type ceramic substrate 1 with a first internal electrode 2a embedded therein approximately in parallel with the main surface; a hole 1a approximately circular in cross section formed on one of the main surfaces of the substrate 1 to reach an end of the internal electrode 2a; and a rod-type terminal electrode 3a which has a pit formed in one of its end faces and which is brazed to the first internal electrode 2a and to the inner surface of the hole 1a, with the end face inserted into the hole 1a to abut at the internal electrode 2a. The terminal electrode 3a has a plurality of notches 5a, formed at approximately equal intervals, extending from the end face pit opening toward the outer periphery approximately in parallel with the axial length. COPYRIGHT: (C)2004,JPO