Method for producing transparent type hologram
US6020090A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 4, 1997 |
| Grant date | Feb 1, 2000 |
| Priority date | — |
| Expiry date | Sep 4, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2223/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Method for producing a of a transparent type hologram screen of an wide visible range. A photosensitive member and a light source of a reference light are arranged on the same side of the light diffusing body. A light source of an object light is arranged on the opposite side of the light diffusing body, so that the light is transmitted through the light diffusing body to generate a object light. A light from a light source of a reference light is reflected at the light diffusing body or a member such as a half mirror or a transparent, reflective hologram element arranged at a front side of the light diffusing body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.