Thermal printhead with a resistor layer and method for...

Details Thermal printhead with a resistor layer and method for... Thermal printhead with a resistor layer and method for...

2004-09-16

2008-12-02

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

C347S204000, C347S202000

Reexamination Certificate

active

07460143

ABSTRACT:
A thermal printhead (A1) comprises an insulating substrate (1), a common electrode (31) which is formed on the insulating substrate (1) and includes a plurality of comb teeth (31a), a plurality of individual electrodes (41) formed on the insulating substrate (1), and a resistor layer (51) formed on the insulating substrate (1) and electrically connected to the comb teeth (31a) and the individual electrodes (41). The resistor layer (51) comprises a thin film, whereas the common electrode (31) and the individual electrodes (41) comprise a thick film.

REFERENCES:
patent: 4259564 (1981-03-01), Ohkubo et al.
patent: 5917531 (1999-06-01), Nagahata et al.
patent: 6424367 (2002-07-01), Obata et al.
patent: 2-70457 (1990-09-01), None
patent: 05-212888 (1993-08-01), None
patent: 8-310024 (1996-11-01), None
patent: 11-314390 (1999-11-01), None

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