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Patent Searching and Data


Title:
INK SET
Document Type and Number:
Japanese Patent JP2022057158
Kind Code:
A
Abstract:
To provide an ink set capable reducing color difference between light sources and granularity.SOLUTION: There is provided an ink set comprising a process color ink set including a yellow ink, a magenta ink, a cyan ink and a black ink as a process color ink and a light ink of the same color as the process color ink of the process color ink set, wherein the yellow ink has a maximum absorption wavelength in a range of 350 nm or more and 480 nm or less, the magenta ink has a maximum absorption wavelength in a range of 510 nm or more and 560 nm or less, the cyan ink has a maximum absorption wavelength in a range of 580 nm or more and 700 nm or less, the half-value width of the peak to which the maximum absorption wavelength of the yellow ink belongs is 85 nm or more and 100 nm or less, the half-value width of the peak to which the maximum absorption wavelength of the magenta ink belongs is 85 nm or more and 100 nm or less, the half-value width of the peak to which the maximum absorption wavelength of the cyan ink belongs is 118 nm or more and 165 nm or less and the maximum absorbance in the visible light wavelength region of the light ink is 70% or less of the maximum absorbance in the visible light wavelength region of the corresponding to the process color ink.SELECTED DRAWING: None

Inventors:
MARUYAMA TOMOKI
MIZUTAKI YUSUKE
Application Number:
JP2020165270A
Publication Date:
April 11, 2022
Filing Date:
September 30, 2020
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
C09D11/38; B41J2/01; B41J2/175; B41J2/21; C09D11/40
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura