Thermal transfer printer having an improved thermal head to impr

Details Thermal transfer printer having an improved thermal head to impr Thermal transfer printer having an improved thermal head to impr

1987-07-23

1989-06-20

Wright, Jr., Ernest T.

Typewriting machines

Typing by other than type-face or type-die

Thermal

219216, 346 76PH, B41J 320

Patent

active

048405000

ABSTRACT:
The face pressure distribution shape of the graze portion of the thermal head is made to be consistent with the temperature distribution shape of the graze portion of the thermal head. The temperature distribution shape of the graze portion of the thermal head is made to be consistent with the face pressure distribution shape of the graze portion of the thermal head. The graze portion of the thermal head is formed projectingly in two steps, and the heating resistor element of the thermal head is provided on the top portion of the graze portion of the thermal head. A thermal transfer printer having no ink void and no ink transfer unevenness can be obtained.

REFERENCES:
patent: 4472723 (1984-09-01), Shibata
patent: 4489485 (1984-12-01), Tatsumi et al.
patent: 4528572 (1985-07-01), Sasaki et al.
patent: 4707708 (1987-11-01), Kitagishi et al.

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