Radiographic elements with selected contrast relationships
US4994355A · kind A · utility
36Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1990 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Mar 29, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A double coated radiographic element is disclosed which exhibits a crossover of less than 5 percent and which is provided with a first silver halide emulsion layer unit on one side of its transparent film support that exhibits an average contrast of less than 2.0 and a second silver halide emulsion layer unit on the opposite side of the silm support that exhibits an average contrast of at least 2.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.