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:
Aug. 15, 1989
Filed:
Dec. 22, 1988
Applicant:
Inventor:
Robert T McSweeney, Wakefield, MA (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G / ; C04S / ;
U.S. Cl.
CPC ...
361321 ; 501135 ;
Abstract
An improved nonlinear dielectric element for use in ferroelectric ceramic capacitors is disclosed which exhibits higher operating temperatures and lower coercive field levels than the compositions presently in use. This new composition is based upon Pb(Mg.sub.0.33 Nb.sub.0.67)O.sub.3 as described by the general formula