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:
Mar. 17, 2009
Filed:
Sep. 15, 2005
Kenichi Yokoyama, Nagoya, JP;
Kenichi Yokoyama, Nagoya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A method for manufacturing a semiconductor physical quantity sensor including a support substrate, a movable electrode, a fixed electrode is provided. The method includes the steps of: preparing a multi-layered substrate; forming a compression stress layer on a part of a surface of the semiconductor layer; forming a trench in the semiconductor layer; and releasing the movable electrode from the substrate by removing the insulation film. In the step of releasing, the part of the semiconductor layer, on which the compression stress layer is disposed, is cambered by the compression stress toward a direction apart from the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile