Color thermal transfer recording medium

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United States of America Patent

PATENT NO 6623589
APP PUB NO 20020127377A1
SERIAL NO

09898246

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Abstract

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A color thermal transfer recording medium for forming a multi-color image by superimposing printing of a plurality of different color inks wherein transfer layers corresponding to a plurality of colors to be superimposed are provided on separate substrates or on a single substrate in a side-by-side relation, the transfer layers each comprising at least a release layer, a color ink layer and an adhesive layer stacked in this order from the substrate side, the release layer comprising a wax material as a main component by weight, the adhesive layer comprising a binder comprising a thermoplastic resin as a main component by weight and particles dispersed in the binder, wherein the thickness d1 of a release layer for a first color; the thickness d2 of a color ink layer for a second color; the thickness d3 of an adhesive layer for a second color; and the average particle size R of the particles contained in the adhesive layer for the second color satisfy the following relation: (d1+d2+d3).times.2>R>d1+d3 (I).

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Patent Owner(s)

Patent OwnerAddress
ALPS ELECTRIC CO LTDJAPAN
FUJICOPIAN CO LTDOSAKA-SHI OSAKA 555-0012

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asabe, Yoshiyuki Tokyo-to, JP 13 59
Inoue, Yasutoshi Tokyo-to, JP 13 41
Sogabe, Jun Osaka-shi, JP 27 87
Uetsuji, Fumio Osaka-shi, JP 3 14

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