Light to heat conversion particles, printing plate element and production method thereof

摘要

A light-heat conversion particle comprises a core covered with a material containing a light-heat conversion material. Independent claims are also included for the following: (a) an image forming material comprises a support and a component layer containing the particle; (b) a method of preparing image forming material comprises coating a composition containing the light-heat conversion particle. The core of the particle contains the light-heat conversion material by dry dispersion or spray dispersion method; and (c) a laser thermal transfer material comprising the light-heat conversion layer and an ink layer.