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:
Jul. 11, 2017
Filed:
Jan. 27, 2016
Seiko Epson Corporation, Tokyo, JP;
Go Yamashita, Ina, JP;
Seiko Epson Corporation, , JP;
Abstract
A resonator element includes a quartz crystal substrate in which a plane including X and Z' axes is set as a main plane and a direction oriented along Y′ axis is a thickness direction. The quartz crystal substrate includes a first region that includes a side along the X axis and a side along the Z′ axis, a second region that has a thickness thinner than the first region. When Mx is a length of the first region along the X axis, Mz is a length of the first region along the Z′ axis, Z is a length of the quartz crystal substrate along the Z′ axis, and lz is a length of the second region along the Z′ axis interposed between the first region and an outer frame of the quartz crystal substrate, relations of 0.9<Mz/Mx<1.175 and 0.085<lz/Z<0.18 are satisfied.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile