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:
Feb. 27, 2018

Filed:

Jan. 20, 2017
Applicant:

The Research Foundation for the State University of New York, Binghamton, NY (US);

Inventors:

Ronald N. Miles, Newark Valley, NY (US);

Weili Cui, Vestal, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B81B 3/00 (2006.01); H04R 19/04 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); B81B 3/0027 (2013.01); B81B 2201/0257 (2013.01); B81B 2201/042 (2013.01); B81B 2203/0127 (2013.01); H04R 2201/003 (2013.01); H04R 2307/025 (2013.01);
Abstract

A method of forming a micromechanical structure comprising, forming a sacrificial layer on a surface and walls of a trench in a substrate; depositing a structural layer over the sacrificial layer, extending into the trench, selectively etching the structural layer to define a pattern having a boundary, at least a portion of the structural layer overlying a respective portion of the trench being removed and at least a portion of the structural layer extending into the trench being preserved at the boundary; and removing at least a portion of the sacrificial layer from underneath the structural layer, prior to removal of at least a portion of the sacrificial layer extending into the trench at the structural boundary. A micromechanical structure formed by the method is also provided.


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