Burr & Brown
Joined structure of ceramic heater and electrode terminal, and joining method therefor
 A metallized layer is formed by active metal solder on the surface of a ceramic base material to be joined to a terminal electrode, and metal solder is interposed between the metallized layer and the electrode terminal to join the ceramic heater and the electrode terminal. The joined structure obtained provides for a higher reliability of the joining strength between the terminal joining portion of the heater and the electrode terminal, which prolongs the life of the heater. 
NGK Insulators, Ltd.
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Tomoyuki
Fujii