The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 14, 2003

Filed:

Apr. 12, 2001
Applicant:
Inventors:

Jun Sogabe, Osaka, JP;

Fumio Uetsuji, Osaka, JP;

Yoshiyuki Asabe, Tokyo-to, JP;

Yasutoshi Inoue, Tokyo-to, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/355 ;
U.S. Cl.
CPC ...
B41J 2/355 ;
Abstract

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.


Find Patent Forward Citations

Loading…