Heat-sensitive material suited for use in direct thermal imaging
US5652195A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1995 |
| Grant date | Jul 29, 1997 |
| Priority date | — |
| Expiry date | Jul 13, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/4989
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A heat-sensitive recording material suited for use in direct thermal imaging, wherein said recording material comprises in the order given: PA1 (i) a transparent polymeric support, PA1 (ii) a heat-sensitive imaging layer, and PA1 (iii) a protective layer characterized in that said protective layer is an opaque layer containing uniformly distributed in an organic hydrophilic polymeric binder at least one opacifying pigment in the form of particulate material some of which protrudes from the surface of said binder and has anti-stick properties with regard to a thermal print head, and wherein the opacity of layer (iii) corresponds with an absorption and/or scattering of at least 80% of the light of the visible wavelength range (400 to 700 nm), wherein said opaque layer has been coated from an aqueous dispersion of said opacifying pigment particles or precursors thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.