Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 12, 2008
0Patent Application Number
115908120
Date Filed
November 1, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A ceramic heater including a plate member made of insulating ceramics in which one or more pair(s) of through-holes are formed, a rod member made of conductive ceramics with a power-supply terminal at one end. The rod member is inserted into the through hole in the plate member. A conductive layer made of conductive ceramics is formed on the plate member; and a coating layer made of insulating ceramics is formed on the conductive layer. One end face of the rod member has a same plane with a main surface of the plate member, the conductive layer has a heater pattern formed on the main surface of the plate member, and the rod members are electrically insulated not to be short-circuited to each other in the opposite main surface.
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