Semi-transparent reflective layer for a phase hologram
US5513019A · kind A · utility
52Cited by
32References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1993 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Oct 26, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2250/36
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A phase hologram is embossed in a mylar web having a reflective layer which is made from tin tungsten oxide, zinc sulfide, or a mixture thereof. The embossed microtexture produces a hologram that is semi-transparent, thereby allowing the visualization of indicia underlying the hologram.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.