| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image-forming material which is sufficiently low in the absorbance in the region of visible light wavelengths of 400 nm or more and 750 nm or less, and besides which is sufficiently high in the absorbance in the region of near-infrared light wavelengths of 750 nm or more and 1,000 nm or less. <P>SOLUTION: The image-forming material contains perimidine-based squarylium coloring matter expressed by formula (1). <P>COPYRIGHT: (C)2009,JPO&INPIT |
