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:
May. 01, 2018

Filed:

May. 20, 2014
Applicant:

Globalfoundries Inc., Grand Cayman, KY;

Inventors:

Guillaume Bouche, Albany, NY (US);

Andy Chih-Hung Wei, Queensbury, NY (US);

Assignee:

GLOBALFOUNDRIES INC., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/44 (2006.01); H01L 29/66 (2006.01); H01L 29/78 (2006.01); H01L 29/08 (2006.01); H01L 29/40 (2006.01); H01L 21/768 (2006.01);
U.S. Cl.
CPC ...
H01L 29/66795 (2013.01); H01L 21/76804 (2013.01); H01L 21/76895 (2013.01); H01L 21/76897 (2013.01); H01L 29/0847 (2013.01); H01L 29/401 (2013.01); H01L 29/66 (2013.01); H01L 29/785 (2013.01);
Abstract

Provided are approaches for forming merged gate and source/drain (S/D) contacts in a semiconductor device. Specifically, one approach provides a dielectric layer over a set of gate structures formed over a substrate; a set of source/drain (S/D) openings patterned in the dielectric layer between the gate structures; a fill material formed over the gate structures, including within the S/D openings; and a set of gate openings patterned over the gate structures, wherein a portion of the dielectric layer directly adjacent the fill material formed within one of the S/D openings is removed. The fill material is then removed, selective to the dielectric layer, and a metal material is deposited over the semiconductor device to form a set of gate contacts within the gate openings, and a set of S/D contacts within the S/D openings, wherein one of the gate contacts and one of the S/D contacts are merged.


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