Incremental printing of symbolic information – Thermal marking apparatus or processes – Specific resistance recording element type
Reexamination Certificate
2007-07-31
2007-07-31
Tran, Huan (Department: 2861)
Incremental printing of symbolic information
Thermal marking apparatus or processes
Specific resistance recording element type
C347S205000
Reexamination Certificate
active
11092181
ABSTRACT:
A thermal head includes a head substrate having a plurality of heating resistors which generate heat by electrical dissipation, a common electrode connected to one end of each heating resistor, and a plurality of individual electrodes connected to the other ends of the respective heating resistors. The head substrate is disposed on a heat-dissipation plate. A wide-gap stepped portion is disposed in correspondence with at least a location of the head substrate directly below the heating resistors, and increases an interval between an adhesion surface of the head substrate and an adhesion surface of the heat-dissipation plate. A resilient adhesive capable of absorbing thermal strain is interposed between the adhesion surface of the heat-dissipation plate and the adhesion surface of the head substrate in an adhesion plane where the wide-gap stepped portion is disposed.
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Search Report dated Oct. 26, 2006 for corresponding European Patent Application No. 05006022.7.
Nakazawa Kazuhiko
Sakurai Masaru
Takeya Tsutomu
Yamada Shigeto
Alps Electric Co. ,Ltd.
Tran Huan
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