Environmentally stable lithium niobate acoustic wave devices
US4484098A · kind A · utility
26Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1983 |
| Grant date | Nov 20, 1984 |
| Priority date | — |
| Expiry date | Dec 19, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/0222
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Acoustic Wave Devices comprise lithium niobate substrates 6, 22 having the principal plane cut at zero degrees and 128.degree., respectively, with respect to the Y crystallographic axis thereof, propagating in the X direction, with amorphous silicon dioxide surface layers of 0.42 and 1.24 wavelengths, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.