| 摘要 |
<p>The present invention provides a thermal imaging process using (i) a donor element comprising on a support having a thickness of 3-10 mu m a donor layer comprising a binder, a thermotransferable reducing agent capable of reducing a silver source to metallic silver upon heating and particles protruding from the surface of said donor layer and (ii) a receiving element comprising on a support a receiving layer comprising a silver source capable of being reduced by means of heat in the presence of a reducing agent, said thermal imaging process comprising the steps of bringing said donor layer of said donor element into face to face relationship with said receiving layer of said receiving element, image-wise heating a thus obtained assemblage, thereby causing image-wise transfer of an amount of said thermotransferable reducing agent to said receiving element in accordance with the amount of heat supplied by said thermal head and separating said donor element from said receiving element. The obtained images have a uniform density and the donor element for use in the above method shows an improved storage stability.</p> |
