Semi-transparent reflective layer for a phase hologram
US5351142A · kind A · utility
70Cited by
32References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1993 |
| Grant date | Sep 27, 1994 |
| Priority date | — |
| Expiry date | Apr 16, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A phase hologram is embossed in a mylar web having a tin tungsten oxide reflective layer deposited upon. 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.