Piezoelectric crystal assembly including protective mounting and covering means
US4431937A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1981 |
| Grant date | Feb 14, 1984 |
| Priority date | — |
| Expiry date | Oct 26, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/19
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An improved construction for piezoelectric crystal assemblies has significant advantages both from the standpoint of operational attributes of the finished product and of adaptability to being mass produced in an expeditous and economical manner. A related, improved method of making piezoelectric crystal assemblies, including those of the aforementioned improved construction, is also provided, which similarly has significant advantages from the standpoints of speed and economy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.