Thermal head, method of manufacturing the same, and thermal...

Details Thermal head, method of manufacturing the same, and thermal... Thermal head, method of manufacturing the same, and thermal...

2005-10-27

2009-02-03

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07484834

ABSTRACT:
A thermal head in which battery effect-induced corrosion can be retarded while maintaining excellent anti-static capability in an upper conductive protective film, is provided. The thermal head includes a substrate, a heater element arranged on the surface of the substrate, an electrode layer connected to the heater element, and an upper conductive protective film for covering part of the electrode layer. In the thermal head, between the electrode layer and the upper conductive protective film is interposed a lower conductive protective film which is higher in specific resistance than the upper conductive protective film.

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