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.:

US 8664029 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 04, 2014

Filed:

Oct. 19, 2009
Applicant:

Ming-ching Wu, Taipei County, TW;

Inventor:

Ming-Ching Wu, Taipei County, TW;

Assignee:

Domintech Co., Ltd., Taipei County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for fabricating a capacitance type tri-axial accelerometer comprises of preparing a wafer having an upper layer, an intermediate layer and a lower layer, etching the lower layer of the wafer to form an isolated proof mass having a core and four segments extending from the core, etching the upper layer of the wafer to form a suspension and four separating plates, etching away a portion of the intermediate layer located between the four segments of the proof mass and the plates of the upper layer, and disposing an electrical conducting means to pass through the intermediate layer from the suspension to the core of the proof mass.


Find Patent Forward Citations

Wu, Ming-Ching. (2014). Process for fabricating a capacitance type tri-axial accelerometer (U.S. Patent No. 8664029). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8664029

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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