Title:
PAPER RECORDING MATERIAL
Document Type and Number:
Japanese Patent JP2005279936
Kind Code:
A
Abstract:
To provide a paper recording material which has a printing function useful for determining truth or falsehood, or preventing forgery, tampering or the like.
This paper recording material is characterized in that a paper base material, a laser-beam-irradiation color-development resin layer and a paper base material are sequentially laminated together. The laser-beam-irradiation color-development resin layer is composed of a resin composition which includes a color development agent using a resin as a vehicle and developing a color by laser beam irradiation, and wherein the content of the color development agent developing the color by the laser beam irradiation is set to be in the range of 0.01-50.0 wt% based on the resin.
Inventors:
UEKI TAKAYUKI
MITA KOZO
TARUYA TAKASHI
MITA KOZO
TARUYA TAKASHI
Application Number:
JP2004092750A
Publication Date:
October 13, 2005
Filing Date:
March 26, 2004
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B42D15/10; B32B27/10; B32B27/18; B41M5/26; B41M5/28; B41M5/30; B41M5/323; B41M5/36; B41M5/46; (IPC1-7): B41M5/26; B32B27/10; B32B27/18; B41M5/30; B41M5/36; B42D15/10
Attorney, Agent or Firm:
Satoshi Kanayama
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