Ceramic structure, ceramic heater, and glow plug including the ceramic heater

摘要

The ceramic structure of the present invention includes a ceramic substrate, a conductor layer containing a glass component and disposed on a surface of the ceramic substrate, and a brazing filler material covering the surfaces, including the side surfaces, of the conductor layer. A reaction zone of the ceramic substrate, the conductor layer, and the brazing filler material located in a boundary region between the ceramic substrate, the conductor layer, and the brazing filler material.

主权项

1. A ceramic structure comprising a ceramic substrate, a conductor layer containing a glass component and disposed on a surface of the ceramic substrate, and a brazing filler material covering a surface of the conductor layer and side surfaces of the conductor layer, wherein a reaction zone of the ceramic substrate, the conductor layer, and the brazing filler material is located in a boundary region between the ceramic substrate, the conductor layer, and the brazing filler material, wherein the ceramic substrate contains a rare earth element component as a sintering aid; and the reaction zone contains a metal component contained in the brazing filler material, the glass component contained in the conductor layer, and the rare earth element component contained in the ceramic substrate.