Melt-type thermal transfer printing apparatus and a printing she

Details Melt-type thermal transfer printing apparatus and a printing she Melt-type thermal transfer printing apparatus and a printing she

1997-07-11

1999-04-27

Burr, Edgar

Typewriting machines

Typing by other than type-face or type-die

Thermal

428212, 4283044, 428913, 428914, B41J 2325, B32B 326

Patent

active

058972544

ABSTRACT:
In a melt-type thermal transfer printing apparatus, an ink ribbon is brought into contact with a recording medium. A thermal head presses the ink ribbon. By controlling an electric power supplied to the thermal head, a melt or fusion area of ink is controlled so as to obtain a multi-gradational image on the recording medium. The recording medium is a porous surfaced medium having a multilayered porous layer containing numerous pores having a porous diameter in a range up to about 25 .mu.m.

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patent: 5441921 (1995-08-01), Verdonck et al.
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patent: 5529972 (1996-06-01), Ramello et al.
patent: 5631076 (1997-05-01), Hakomori et al.
patent: 5654080 (1997-08-01), Hayashi et al.
patent: 5700755 (1997-12-01), Morrison et al.
"High-Quality Color Printing by Heat Fusible Penetrative Method" by H. Tanaka; The 9th International Congress on Advances in Non-Impact Printing Technologies/Japan Hardcopy '93; Oct. 4-8, 1993; pp., 326-329.
"The Wax Melt Thermal Transfer Variable Density Printing Method" by H. Tanaka; Asia Display '95; Oct. 16-18, 1995; pp., 675-678.

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