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:
Aug. 09, 2016

Filed:

Sep. 16, 2015
Applicants:

Globalfoundries Inc., Grand Cayman, KY;

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Ruilong Xie, Niskayuna, NY (US);

Michael Wedlake, Albany, NY (US);

Xiuyu Cai, Niskayuna, NY (US);

Ali Khakifirooz, Mountain View, CA (US);

Kangguo Cheng, Schenectady, NY (US);

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 27/088 (2006.01); H01L 21/8234 (2006.01); H01L 29/66 (2006.01); H01L 21/28 (2006.01); H01L 21/321 (2006.01);
U.S. Cl.
CPC ...
H01L 27/088 (2013.01); H01L 21/28017 (2013.01); H01L 21/3212 (2013.01); H01L 21/823437 (2013.01); H01L 21/823481 (2013.01); H01L 29/66545 (2013.01); H01L 29/7831 (2013.01); H01L 29/7833 (2013.01);
Abstract

One illustrative device disclosed includes, among other things, first and second active regions that are separated by an isolation region, first and second replacement gate structures positioned above the first and second active regions, respectively, and a gate registration structure positioned above the isolation region, wherein the gate registration structure comprises a layer of insulating material positioned above the isolation region and a polish-stop layer and wherein a first end surface of the first replacement gate structure abuts and engages a first side surface of the gate registration structure and a second end surface of the second replacement gate structure abuts and engages a second side surface of the gate registration structure.


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