Thermal head for thermal recording machine

Details Thermal head for thermal recording machine Thermal head for thermal recording machine

1990-12-11

1993-10-12

Reinhart, Mark J.

Recorders

Thermal recording

B41J 2325

Patent

active

052529886

ABSTRACT:
A thermal head for a thermal recording machine including an insulating substrate which is composed of a printed circuit board made of a heat resistant resin and covered with a copper film, a plurality of thermal resistors disposed on the insulating substrate in the direction corresponding to the scanning, discrete electrodes electrically connecting first ends of the thermal resistors to a control element, a common electrode electrically connecting the other ends of the thermal resistors together, a heat releasing layer formed of the copper film of the insulating substrate on the lower portions of the thermal resistors, and a thermal accumulating layer of a polyimide resin covering the heat releasing layer.

REFERENCES:
patent: 4587400 (1986-05-01), Kanamori et al.
patent: 4750260 (1988-06-01), Takeno et al.
patent: 4768038 (1988-08-01), Shibata
patent: 4845339 (1989-07-01), Kato
patent: 5036897 (1991-08-01), Tamura et al.

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