| abstract |
A laser recording thermally sensitive recording medium comprising, at least a photo absorbing material which absorbs laser ray and covert the laser ray to heat, colourless or pale coloured basic leuco dye and organic colour developing agent on a substrate as main components, wherein said photo absorbing material is a compound represented by general formula (1),n nwherein, n indicates an integer of from 1 to 4, and structural formula of Xn, Yn and Zn- are indicated in Table 1. |