Crystal package
US5696422A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1996 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Mar 1, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/1014
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The invention provides for a package for holding a crystal. The package preferably includes a ceramic base, ceramic top member and a plurality of metallization bands. The ceramic base and the ceramic top member may be cofired to seal the first portion of each of the metallization bands therein. The package additionally includes a seal ring engageable with the ceramic top member and a housing engageable with the seal ring to define a sealed crystal chamber. A plurality of ribbon bands are provided within the crystal chamber to electrically couple the metallization bands with the crystal. The crystal package may include an integrated circuit chip for providing an oscillator and a heating element for maintaining constant temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.