Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2010
Patent Application Number
11682606
Date Filed
March 6, 2007
Patent Primary Examiner
Patent abstract
A thermal head includes a head containing a glass layer. The glass layer has a projecting portion on one surface and a concave groove on the other surface at a position opposed to the projecting portion. The head further contains a heating resistor disposed on the projecting portion, and a pair of electrodes disposed on both sides of the heating resistor. The thermal head further includes a rigid substrate on which a control circuit for the head is provided, and a flexible substrate for electrically connecting the head and the rigid substrate.
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