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:
May. 05, 2026

Filed:

Apr. 26, 2022
Applicant:

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

Inventors:

Roberto Carminati, Piancogno, IT;

Nicolo' Boni, Mountain View, CA (US);

Irene Martini, Bergamo, IT;

Massimiliano Merli, Stradella, IT;

Laura Oggioni, Milan, IT;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B81B 7/02 (2006.01); B81C 1/00 (2006.01); G02B 26/08 (2006.01); H10H 20/84 (2025.01); H10N 30/20 (2023.01);
U.S. Cl.
CPC ...
G02B 26/0858 (2013.01); B81B 7/02 (2013.01); B81C 1/00428 (2013.01); B81C 1/00492 (2013.01); H10H 20/84 (2025.01); H10N 30/2042 (2023.02); B81B 2201/032 (2013.01); B81B 2201/042 (2013.01); B81C 2201/0198 (2013.01);
Abstract

A process for manufacturing a microelectromechanical mirror device includes, in a semiconductor wafer, defining a support frame, a plate connected to the support frame so as to be orientable around at least one rotation axis, and cantilever structures extending from the support frame and coupled to the plate so that bending of the cantilever structures causes rotations of the plate around the at least one rotation axis. The process further includes forming piezoelectric actuators on the cantilever structures, forming pads on the support frame, and forming spacer structures protruding from the support frame more than both the pads and the stacks of layers forming the piezoelectric actuators.


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