Wave device having a reverse domain grating
US4155055A · kind A · utility
3Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1977 |
| Grant date | May 15, 1979 |
| Priority date | — |
| Expiry date | Dec 23, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/145
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
This invention relates to a wave device comprising a single domain lithium niobate substrate having thereon a grating wherein the grating comprises single domain regions of lithium niobate having their plus c-axis direction substantially opposite the plus c-axis direction of the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.