Process for making holograms and holography device
US5898511A · kind A · utility
112Cited by
19References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1995 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Feb 6, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2001/2247
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A plurality of hologram elements are simultaneously exposed to a constructing light while they are arranged in the form of a stack, so that the incident beam can be uniform within the exposure area. The plurality of hologram elements should be transparent to the constructing light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.