Thermal head and printing device

Details Thermal head and printing device Thermal head and printing device

2011-03-15

2011-03-15

Petkovsek, Daniel (Department: 2874)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Specific resistance recording element type

C347S062000, C347S204000, C347S209000

Reexamination Certificate

active

07907158

ABSTRACT:
A thermal head includes a glass layer having a protruding section formed on one surface and a concave groove section formed on the other surface facing the protruding section, a heat generation resistor provided on the protruding section, and a pair of electrodes provided to both sides of the heat generation resistor, and a part of the heat generation resistor exposed between the pair of electrodes is defined as a heat generation section, the protruding section has a smaller curvature radius in both sides than a curvature radius in a central portion, and a width of the groove section is one of equal to and larger than a length of the heat generation section.

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European Search Report; Application No./Patent No. 07104270.9-2304 / 1834791; Dated: Sep. 5, 2008.

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