abstract |
The present invention provides a laser recording thermally sensi ivenrecording medium comprising a thermally sensitive recording layerncontaining at least a photo absorbing material which absorbs laser ray andncovert it to heat, an electron donning leuco dye and an electron acceptingncolor developing agent on a substrate, wherein said electron donning leucondye contains a leuco dye which absorbs the ray of visible range and a leucondye having main wave length of absorption at the ray of 600nm or longer. |