Patent ID: 9288845
Filing Date: 2016-03-15
CPC Classification: F23Q,H05B

Claim Text:
1. A ceramic heater, comprising: a heat-generator having at least one recess; and a base body made of ceramics, the base body enclosing the heat-generator, the heat-generator including two opposed portions arranged in juxtaposition and a connection portion for connecting the two opposed portions together in arcuate form, the at least one recess of the heat-generator being located in at least one of the connection portion and the two opposed portions of the heat-generator and being filled with the base body, and a dimension of the at least one recess in a longitudinal direction of the heat generator being greater than or equal to 1/10 and less than or equal to ½ of a length of the at least one of the connection portion and the two opposed portions.