Patent ID: 6077646
Filing Date: 2000-06-20
Classification: B41C

Abstract:
A heat mode recording material comprising on a side of a support having an oleophilic surface (i) a recording layer containing a light-to-heat converting substance capable of converting radiation into heat and (ii) an oleophobic surface layer, wherein said oleophobic surface layer and said recording layer may be the same layer and on another side of the support a backing layer containing between 175 and 750 mg/m.sup.2 of gelatin, between 50 and 1000 mg/m.sup.2 of colloidal silica with a surface area of at least 100 m.sup.2 /gr and between 1 and 100 mg/m .sup.2 of amorphous silica and wherein the maximum roughness depth R.sub.t of the surface layer is at least 0.65 .mu.m, and/or the maximum roughness depth of the outer back layer is at least 1.20 .mu.m.