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:
Nov. 27, 2018

Filed:

Aug. 22, 2017
Applicant:

United Microelectronic Corp., Hsin-Chu, TW;

Inventors:

Shu-Wei Yeh, Taichung, TW;

Tsung-Hsun Wu, Kaohsiung, TW;

Chih-Ming Su, Tainan, TW;

Zhi-Xian Chou, Pingtung County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); H01L 27/11 (2006.01); H01L 29/78 (2006.01); H01L 27/02 (2006.01); G11C 11/412 (2006.01); H01L 49/02 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1104 (2013.01); G11C 11/412 (2013.01); H01L 27/0207 (2013.01); H01L 28/00 (2013.01); H01L 29/785 (2013.01);
Abstract

A layout pattern of a static random access memory includes a pull-up device, a first pull-down device, a second pull-up device, a second pull-down device, a first pass gate device, a second pass gate device, a third pass gate device and a fourth pass gate device disposed on a substrate. A plurality of fin structures is disposed on the substrate, the fin structures including at least one first fin structure and at least one second fin structure. A step-shaped structure is disposed on the substrate, including a first part, a second part and a bridge part. A first extending contact feature crosses over the at least one first fin structure and the at least one second fin structure.


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