Thick film type thermal head

Details Thick film type thermal head Thick film type thermal head

1990-04-24

1991-12-10

Fuller, Benjamin R.

Recorders

Thermal recording

219543, B41J 2335, G01D 1510, G01D 1516

Patent

active

050722360

ABSTRACT:
A thick film type thermal head which includes an insulative substrate (2), an under-glaze layer (3) formed on the insulative substrate (2), a heat-generating resistor (6) and an electrode device for energizing the heat generating resistor (6) which are formed on the under-glaze layer (3), and an overcoating layer (7) for covering the heat-generating resistor (6). The overcoating layer (7) further includes a first overcoating layer (7a) formed by a thick film forming technique, and a second overcoating layer (7b) formed on the first overcoating layer (7a) through employment of a thin film forming technique.

REFERENCES:
patent: 4742362 (1988-05-01), Takoshima et al.
patent: 4825040 (1989-04-01), Kato
patent: 4835550 (1989-05-01), Sato et al.

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