Incremental printing of symbolic information – Thermal marking apparatus or processes – Specific resistance recording element type
Reexamination Certificate
2007-07-24
2007-07-24
Tran, Huan (Department: 2861)
Incremental printing of symbolic information
Thermal marking apparatus or processes
Specific resistance recording element type
Reexamination Certificate
active
11092328
ABSTRACT:
A thermal head has a head substrate including exothermic bodies which generate heat when electricity is supplied thereto, a common electrode connected with first ends of the exothermic bodies, and independent electrodes connected with second ends of the exothermic bodies. A printed circuit board (PCB) includes driving elements controlling the electricity supplied to the exothermic bodies. The head substrate and PCB are attached on a heat sink such that an end surface of the head substrate adjoins an end surface of the PCB. The independent electrodes are wire-connected with the corresponding driving elements across a gap between the adjoining end surfaces to define a wire-connection unit, which is sealed with resin. An adhesive layer is partially disposed between the PCB and the heat sink such that a space is provided therebetween. The space communicates with the outside of the thermal head and with the gap.
REFERENCES:
patent: 5278580 (1994-01-01), Nishikawa et al.
patent: 7-323592 (1995-12-01), None
patent: 11-028829 (1999-02-01), None
Takeya Tsutomu
Yamada Shigeto
Alps Electric Co. ,Ltd.
Brinks Hofer Gilson & Lione
Tran Huan
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