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:
Feb. 12, 2019
Filed:
Nov. 16, 2017
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
Hiroaki Kaida, Nagaokakyo, JP;
Kazuyuki Noto, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo-Shi, Kyoto-Fu, JP;
Abstract
A piezoelectric resonator unit that includes a piezoelectric resonator, a substrate including a protruding portion, and a cap joined to the protruding portion. The piezoelectric resonator unit has a first relation of (W+T)≤w<(W+2T), where, in a long-side sectional view, wis a width of an inside of an opening in the cap, Tis a width of the protruding portion, and Wis a width of the upper surface of the substrate between parts of the protruding portion; and has a second relation of (W+T)≤w<(W+2T), where, in a short-side sectional view, wis a width of the inside of the opening in the cap, Tis a width of the protruding portion, and Wis a width of the upper surface of the substrate between parts of the protruding portion.