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:
Jan. 15, 1991
Filed:
May. 27, 1988
Applicant:
Inventors:
Charles J Jensik, Carlisle, PA (US);
William P Hanson, Carlisle, PA (US);
Assignee:
Piezo Crystal Company, Division of PPA Industries, Inc., Carlisle, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310344 ; 310353 ;
Abstract
A crystal header package with a sapphire bottom plate and a method of making same. The package has a low profile design consisting of two components defining a cover and a platform that are joined together by cold welding. A KOVAR washer is used within a seal between the sapphire bottom plate and the platform.
Jensik, Charles. (1991). Crystal header package (U.S. Patent No. 4985655). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4985655
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile