Method of preparing a hologram
US4826745A · kind A · utility
2Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1987 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | Dec 15, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H1/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Method of preparing a hologram which is of the silver halide in gelatin binder type, which method comprises exposing, developing and bleaching the holographic material, where a water-soluble halide and a ferric salt of an acetic acid derivative are used in the bleach bath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.