Imaging element and method for making aluminum lithographic printing plates according to the silver salt diffusion transfer process
US5405730A · kind A · utility
4Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1994 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Jul 5, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/07
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides an imaging element comprising in the order given (i) a hydrophilic grained and anodized aluminum support, (ii) an image receiving layer containing physical development nuclei and (iii) a photosensitive layer containing a silver halide emulsion being in water permeable relationship with said image receiving layer characterized in that the sum of the surface areas of subsidences amounts to at least 50% of the total surface area area of the grained and anodized side of said support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.