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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.

Patent No.:

US 9947627 B1

PDFFull Text
Date of Patent:
Apr. 17, 2018

Filed:

Jun. 20, 2016

Guard ring structure and method for forming the same

Applicant:

Mediatek Singapore Pte. Ltd., Singapore, SG;

Inventors:

Chiyuan Lu, San Jose, CA (US);

Chien-Chih Lin, Hsinchu, TW;

Cheng-Chou Hung, Hukou Township, Hsinchu County, TW;

Yu-Hua Huang, Hsinchu, TW;

Assignee:

MEDIATEK SINGAPORE PTE. LTD., Singapore, SG;

Attorney:

McClure, Qualey & Rodack, LLP

Primary Examiner:

Thinh T Nguyen

Int. Cl.
CPC ...
H01L 23/48 (2006.01); H01L 23/00 (2006.01); H01L 23/498 (2006.01); H01L 21/768 (2006.01); H01L 23/58 (2006.01); H01L 21/761 (2006.01); H01L 29/06 (2006.01); H01L 27/08 (2006.01); H01L 29/872 (2006.01);
U.S. Cl.
CPC ...
H01L 23/564 (2013.01); H01L 21/761 (2013.01); H01L 21/76802 (2013.01); H01L 23/498 (2013.01); H01L 23/585 (2013.01); H01L 29/0623 (2013.01); H01L 27/0814 (2013.01); H01L 29/872 (2013.01); H01L 2924/00 (2013.01); H01L 2924/0002 (2013.01);
Abstract

A guard ring structure having a semiconductor substrate with a circuit region encircled by a first ring and a second ring. At least one of the first and second ring includes: a plurality of separated doping regions formed in various top portions of the semiconductor substrate, providing P-N junction or N-P junction on bottom of the plurality of separated doping regions; and an interconnect element formed over the semiconductor substrate, covering at least portion of the plurality of separated doping regions.

Find Patent Forward Citations

Lu, Chiyuan. (2018). Guard ring structure and method for forming the same (U.S. Patent No. 9947627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9947627

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

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