Infrared hologram recording method
US4028104A · kind A · utility
4Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 1975 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Apr 21, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process is disclosed whereby infrared holograms can be recorded in photographic silver halide emulsions as positive images. High resolution holograms have been produced with 1.06 .mu.m radiation in photographic plates by utilizing the Herschel reversal effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.