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:
Jun. 14, 1983
Filed:
Jan. 19, 1981
Applicant:
Inventor:
Daniel C Vangheluwe, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310365 ; 310366 ; 310361 ;
Abstract
A piezoelectric resonator having a rectangular resonator body cut from a piezoelectric crystal in accordance with a rotated X-cut. One of the end faces bounding the major surfaces is intended for mounting, whereas in the vicinity of the other end face an electrode array is arranged. The electrode array in conjunction with the crystal cut have been selected so that a combined resonant mode is generated, comprising an XY' thickness-shear vibration and a thickness vibration in the X or Y' direction.