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.

Date of Patent:
Jul. 20, 2021

Filed:

Dec. 06, 2019
Applicant:

Stmicroelectronics S.r.l., Agrate Brianza, IT;

Inventors:

Domenico Giusti, Caponago, IT;

Carlo Luigi Prelini, Seveso, IT;

Assignee:

STMicroelectronics S.r.l., Agrate Brianza, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/82 (2006.01); B81B 3/00 (2006.01); H04R 17/00 (2006.01); H01L 41/09 (2006.01);
U.S. Cl.
CPC ...
B81B 3/0037 (2013.01); H01L 41/0933 (2013.01); H01L 41/0953 (2013.01); H04R 17/00 (2013.01); B81B 2201/0257 (2013.01); B81B 2201/032 (2013.01); B81B 2203/0127 (2013.01); H04R 2201/003 (2013.01); H04R 2217/00 (2013.01);
Abstract

A micro-electro-mechanical (MEMS) actuator device includes a frame, and a first functional sub-structure positioned within the frame and mechanically coupled thereto by supporting elements. The first functional sub-structure is subdivided into first and second portions. The first portion is subdivided into first and second sub-portions separated from one another by a first through trench, and the second portion is subdivided into first and second sub-portions separated from one another by a second through trench. First and second piezo-electric structures are respectively carried by the first and second sub-portions of the first portion. Third and fourth piezo-electric structures are respectively carried by the first and second sub-portions of the second portion. A third through trench extends between the frame and the first functional sub-structure except for regions in which the supporting elements are present.


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