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.:
Date of Patent:
Jan. 27, 2015
Filed:
Jun. 11, 2013
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Cheong-Sik Yu, Seoul, KR;
Choel-Hwyi Bae, Gunpo-si, KR;
Ju-Youn Kim, Suwon-si, KR;
Chang-Min Hong, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/11 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1104 (2013.01);
Abstract
There is provided a semiconductor device comprising, at least one SRAM cell, wherein the SRAM cell includes a pull-up transistor, a pull-down transistor, and a pass-gate transistor, and an inversion-layer thickness (Tinv) of a gate stack of the pass-gate transistor is different from Tinv of a gate stack of the pull-up transistor and Tinv of a gate stack of the pull-down transistor.