Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1999-07-26

2000-02-22

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonreactant particles of defined size

427152, 430162, 503226, B41M 540

Patent

active

060280298

ABSTRACT:
Disclosed in a heat-sensitive recording material comprising a substrate, a heat-sensitive recording layer disposed on the substrate and a protective layer disposed on the heat-sensitive recording layer, wherein the protective layer contains a pigment containing particles having an average particle diameter of 0.300 .mu.m or less in a portion of 50% by volume in the total volume of the particles as measured by a laser diffraction method and containing 3% or less of particles having a diameter of 1.0 .mu.m or more in a total amount of particles and the surface of the protective layer has a central line value Ra of a surface roughness of 0.3 .mu.m or less in a frequency component having a roughness pitch of 2 to 10 .mu.m of the surface roughness in the entire frequency range.
The heat-sensitive recording material does not cause sticking or generation of noise during recording, has an excellent transparency, reduces wear of a thermal head even in recording using a high thermal energy and provides high quality images with stability for a long time.

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