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. 10, 2012
Filed:
Dec. 26, 2007
Akio Morii, Tokyo, JP;
Akio Morii, Tokyo, JP;
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Abstract
A mechanical quantity sensor includes: a first structure having a fixed portion with an opening, a displaceable portion disposed in the opening and displaceable relative to the fixed portion, and a connection portion connecting the fixed portion and the displaceable portion to each other; a second structure having a weight portion joined to the displaceable portion and a pedestal joined to the fixed portion, the second structure being stacked on the first structure; a first base having a first driving electrode which is disposed on a surface facing the displaceable portion and is made of a conductive material containing Al and Nd, the first base being stacked on the first structure while being connected to the fixed portion; and a second base having a second driving electrode which is disposed on a surface facing the weight portion and is made of the conductive material, the second base being stacked on the second structure while being connected to the pedestal.