Thermal printhead

Details Thermal printhead Thermal printhead

2005-01-21

2009-06-30

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

Reexamination Certificate

active

07554567

ABSTRACT:
A thermal printhead (A1) includes a substrate (1) and a plurality of heat-producing resistance sections (30) provided on the substrate (1). The heat-producing resistance sections (30) melt ink of an ink ribbon, which is transferred together with a recording sheet, to transfer the ink onto the recording sheet. An inequality surface region (7) is provided downstream from the heat-producing resistance sections (30) in a secondary scanning direction (x) which is the transfer direction of the ink ribbon. The inequality surface region includes a plurality of projections (70) each of which extends in the secondary scanning direction (x) and which are aligned at predetermined intervals in a primary scanning direction (y) which is perpendicular to the secondary scanning direction (x).

REFERENCES:
patent: 5-169698 (1993-07-01), None
patent: 7-132630 (1995-05-01), None
patent: 10-100460 (1998-04-01), None
patent: 11-157111 (1999-06-01), None

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