Retrofitted self-developing film assemblages and methods of making the same
US6517989B2 · kind B2 · utility
0Cited by
19References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2002 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Mar 1, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/32
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is an improved film assemblage of the self developing type that allows separation of both the pod and trap portions of the film frame, but sealing of the ends of the separated film portions including pod, trap, and image area. The present invention also provides such a film assemblage of the foregoing type whereby further ensuring uniform flow of the processing fluid during the spreading process. A method of manufacturing said film is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.