The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1997
Filed:
Mar. 01, 1996
William P Hanson, Carlisle, PA (US);
Timothy E Wickard, Carlisle, PA (US);
Charles Jensik, Carlisle, PA (US);
Piezo Crystal Company, Carlisle, PA (US);
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.