Thermal head and thermal printer

Details Thermal head and thermal printer Thermal head and thermal printer

2007-05-01

2007-05-01

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

Reexamination Certificate

active

11073520

ABSTRACT:
A heating element of a thermal head has a first electrode layer formed on a glaze layer and a second electrode layer formed opposite to the first electrode layer. A first insulation layer is formed on the first electrode layer to expose both ends of the first electrode layer in a transporting direction of a recording paper. A third electrode layer is formed on the first insulation layer to expose both ends of the first insulation layer in the transporting direction, and a heating resistor layer is formed across the first to the third electrode layers and the first insulation layer. A protective layer is formed covering the first to the third electrode layers, the first insulation layer, and the heating resistor layer. A system controller selectively applies the current to among the first, the second and the third electrode layers based on the image data to record.

REFERENCES:
patent: 6683636 (2004-01-01), Goto et al.
patent: 7046265 (2006-05-01), Shirakawa et al.
patent: 2004/0233268 (2004-11-01), Miyachi et al.
patent: 10-138543 (1998-05-01), None
patent: 10-278329 (1998-10-01), None

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