Sughrue, Mion, Zinn, Macpeak and Seas
Ceramic heater
 A ceramic heater comprising a ceramic substrate is described which has formed thereon a layer of a silicide of an element selected from groups IVa, Va and VIa of the periodic table. The heater has stable temperature vs. resistance characteristics, has high mechanical strength and produces the desired temperature in a very short period of time. 
NGK Spark Plug Co., Ltd.
C C C C C H
C04B C04B C23C C21B C04B H05B
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Shunkichi Yukihiro Norio Rokuro
Nozaki Kimura Kato Kambe