abstract |
The present invention provides an infrared penetrating dark color ink to meet the design requirements of the demanders, which has a black appearance and high design, but has sufficient infrared penetrability.nn n n The infrared-permeable dark ink of the present invention can penetrate near-infrared rays with a wavelength of 750nm or more and 1500nm or less, and the infrared-permeable dark ink contains a resin component and a pigment component, and the pigment component contains a benzimidazolone series It is made of brown pigments such as pigments and phthalocyanine pigments. |