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:
Apr. 25, 2023

Filed:

Oct. 28, 2019
Applicant:

Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;

Inventors:

Yuan-Chih Hsieh, Hsinchu, TW;

Hung-Hua Lin, Taipei, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B81B 7/00 (2006.01); B81C 1/00 (2006.01); B81B 7/02 (2006.01);
U.S. Cl.
CPC ...
B81B 7/0038 (2013.01); B81B 7/02 (2013.01); B81C 1/00269 (2013.01); B81C 1/00285 (2013.01); B81C 2203/0109 (2013.01);
Abstract

The present disclosure provides a micro electro mechanical system (MEMS) structure, including a device substrate having a first region and a second region different from the first region, a capping substrate bonded over the device substrate, a first cavity in the first region and between the device substrate and capping substrate, wherein the first cavity has a first cavity pressure, a second cavity in the second region and between the device substrate and capping substrate, wherein the second cavity has a second cavity pressure lower than the first cavity pressure, a passivation layer in the first cavity, an outgassing material over the passivation layer, wherein the outgassing material comprises a top surface and a sidewall exposed to the first cavity.


Find Patent Forward Citations

Hsieh, Yuan-Chih. (2023). Mems using outgassing material to adjust the pressure level in a cavity (U.S. Patent No. 11634318). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11634318

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

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