Parkhurst & Wendel, L.L.P.
Joined ceramic structures and a process for the production thereof
 A joined ceramic structure including a ceramic member and a metallic joining member joined to each other through a joining layer made of a brazing material wherein a metallic member is buried in the ceramic member in the state that a metal-exposed portion is formed through partial exposure of the metallic member from such a joining surface of the ceramic member as contacting said joining layer, and the ceramic member and the metal-exposed portion are also joined to the joining layer along the joining surface of the ceramic member. 
NGK Insulators, Ltd.
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Ryusuke Tomoyuki
Ushikoshi Fujii