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:
Jan. 28, 2025

Filed:

Sep. 23, 2021
Applicant:

Kyocera Technologies Oy, Espoo, FI;

Inventors:

Aarne Oja, Espoo, FI;

Antti Jaakkola, Espoo, FI;

Panu Koppinen, Espoo, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 3/007 (2006.01); H03H 9/15 (2006.01); H03H 9/17 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02448 (2013.01); H03H 9/173 (2013.01); H03H 3/0076 (2013.01); H03H 2009/155 (2013.01);
Abstract

A MEMS (microelectromechanical system) resonator with a material layer of single-crystalline silicon, at least one layer made of material with low thermal diffusivity to reduce thermoelastic dissipations in the MEMS resonator, a layer of piezoelectric material, and a layer made of electrically conducting material. The layer with low thermal diffusivity is between the single-crystalline silicon layer and the piezoelectric layer, or between the piezoelectric layer and the electrically conducting layer. The use of a material layer of low thermal diffusivity.


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