Multi-gradation heat sensitive transfer medium

Details Multi-gradation heat sensitive transfer medium Multi-gradation heat sensitive transfer medium

1984-04-17

1986-10-07

Hess, Bruce H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428195, 428212, 428484, 4284881, 428913, 428914, B41M 526

Patent

active

046159320

ABSTRACT:
A multi-gradation heat sensitive transfer medium for use in multi-gradation thermal transfer for adjusting the density of a transfer print image by superimposing ink layers on a recording medium a plurality of times by thermal transfer, which comprises a foundation and ink layers provided thereon, each of said ink layers containing a color pigment having a high transparency and a high tinting strength in an amount smaller than sufficient to provide a maximal degree of reflection density, and each of said ink layers having a light transmittance of not less than about 65% in a region where the color pigment does not have any absorption band. By superimposing the ink layers of the transfer medium on a recording medium a plurality of times, there is obtained a clear print image having a multiplicity of gradations.

REFERENCES:
patent: 4492965 (1985-01-01), Ohnishi et al.
Gakkai, Technical Report IE 81-63, pp. 45-52, Sep. 25, 1981.

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