Other

Fujicopian Co., Ltd.

Yoshiyuki Asabe

Jun Sogabe

Yasutoshi Inoue

Fumio Uetsuji

Susumu Arauchi

Hiroshi Sato

Tetsuo Hoshino

Iwao Nozaki

Yuuichi Miyakusa

Tetuo Hoshino

Kotaro Fujimoto

Osamu Ogiyama

Eihin Setsu

A multi-gradation recording method comprising the steps of: providing a thermal transfer recording medium comprising a substrate, a release layer, a first ink layer and a second ink layer provided in this order on the substrate, and carrying out a gradation recording using the thermal transfer recording medium, the step of carrying out a gradation recording comprising: (a) in the case of recording in a middle density/high density region, carrying out a gradation expression based on an area gradation expression by transferring the first ink layer and the second ink layer together, and (b) in the case of recording in a low density region, carrying out a gradation expression by transferring only the second ink layer by causing a cohesive failure in the second ink layer, thereby changing the area of transferred ink per one dot and the thickness of transferred ink dots.

Multi-gradation recording method and thermal transfer recording medium used in the method

Color thermal transfer recording medium

A thermal transfer recording medium for forming a printed image with metallic luster of high level with superior transferability according to a thermal transfer mechanism is disclosed which comprises a foundation, and provided on one side of the foundation, a laminate transfer layer comprising at least a release layer, a heat-resistant layer for metal deposition, a metal deposition layer and an adhesive layer in this order from the foundation side, the release layer having a thickness of 0.05 to 0.50 &mgr;m and a softening point not lower than 100&deg; C., the release layer being a substantially transparent layer consisting essentially of a resin, and the peel strength of the laminate transfer layer from the foundation according to T-mode peeling being not larger than 50 gf/12.7 mm.

Metallic thermal transfer recording medium

A thermal transfer recording medium comprising a support, and at least a heat-meltable release layer and a colored ink layer capable of being softened with heat stacked in this order on the support, the release layer comprising a wax as a main ingredient, and the release layer having a melting point of not less than 85&deg; C., a heat of fusion of not more than 140 mJ/mg, and a melt viscosity of not more than 50 cps/120&deg; C.

Thermal transfer recording medium

An ink ribbon assembly for use in a thermal transfer printer includes a plurality of ink ribbons,and,which has at least one ink ribbon,less influence on an outcome the printing accuracy is shorter in length than the other ink ribbons,and,. The shorter ink ribbon has a terminal end mark,formed at its terminal end. At the time point when the end of the shorter ink ribbon is detected in the middle of the printing of one printing area, the other ink ribbons have finished the printing of such printing area, because they are longer than the ink ribbon,, and thus, joints cannot be produced in the printing with the longer ink ribbons.

Ink ribbon assembly, and thermal transfer printer using the same

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Tokyo-to, Japan

Yoshiyuki Asabe