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. 01, 2008
Filed:
Mar. 28, 2005
Maki Takizawa, Nishitokyo, JP;
Tohru Yanagisawa, Nishitokyo, JP;
Maki Takizawa, Nishitokyo, JP;
Tohru Yanagisawa, Nishitokyo, JP;
Citizen Holdings Co., Ltd., Tokyo, JP;
Abstract
A method for manufacturing a quartz oscillator having a stable temperature drift characteristic attributed to the quartz oscillating piece and a quartz oscillator are disclosed. The method comprises a quartz crystal etching step Sof processing a quartz oscillating piece into a predetermined shape by etching, an electrode membrane forming step Sof forming an electrode on the quartz oscillating piece, a quartz crystal mounting step Sof mounting the quartz oscillating piece in an oscillator package, a leakage oscillation adjusting step Sof driving the mounted quartz oscillating piece, detecting the leakage oscillation, and removing a part of the quartz oscillating piece depending on the detected leakage oscillation, and a re-etching step Sof re-etching the quartz oscillating piece subjected to the removal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile