Optical diffraction gratings and methods for manufacturing same
US8792169B2 · kind B2 · utility
15Cited by
0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2012 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | May 6, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/0808
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Described herein are diffraction gratings and methods for the manufacture thereof. One method comprises applying a force to a substrate to strain the substrate, disposing a thin film on at least a portion of the substrate, and reducing the force applied to the substrate, thereby causing the thin film to buckle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.