초록 ▼

A thermal transfer donor element is disclosed that includes a substrate, a transfer layer, a light-to-heat conversion layer disposed between the substrate and the transfer layer, and an underlayer disposed between the substrate and the light-to-heat conversion layer. The underlayer manages heat flow

A thermal transfer donor element is disclosed that includes a substrate, a transfer layer, a light-to-heat conversion layer disposed between the substrate and the transfer layer, and an underlayer disposed between the substrate and the light-to-heat conversion layer. The underlayer manages heat flow between layers of the donor element during imaging. For example, the underlayer can increase heat transport from the light-to-heat conversion layer to the substrate to prevent overheating. The underlayer can also be used to insulate the substrate from heat generated in the light-to-heat conversion layer or to increase heat flow to the transfer layer during imaging. Managing heat flow using an underlayer can improve transfer properties and/or reduce defect formation during imaging.

대표청구항 ▼

[ What is claimed is:] [1.]1. A thermal mass transfer donor element comprising:a substrate;a transfer layer;a light-to-heat conversion layer disposed between the transfer layer and the substrate to generate heat when exposed to imaging radiation into heat, the heat so generated being used to thermal

[ What is claimed is:] [1.]1. A thermal mass transfer donor element comprising:a substrate;a transfer layer;a light-to-heat conversion layer disposed between the transfer layer and the substrate to generate heat when exposed to imaging radiation into heat, the heat so generated being used to thermally transfer portions of the transfer layer; andan underlayer disposed between the substrate and the light-to-heat conversion layer to manage heat flow between layers of the donor element or reduce imaging defects during imaging, the underlayer having an anisotropic thermal conductivity.