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:
Jul. 15, 2014
Filed:
Jan. 28, 2011
Applicants:
Chul-woo Park, Yongin-si, KR;
Hong-sun Hwang, Suwon-si, KR;
Sang-beom Kang, Hwaseong-si, KR;
Won-seok Lee, Suwon-si, KR;
Inventors:
Chul-Woo Park, Yongin-si, KR;
Hong-Sun Hwang, Suwon-si, KR;
Sang-Beom Kang, Hwaseong-si, KR;
Won-Seok Lee, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A stacked semiconductor memory device comprises memory cell array layers that are stacked in an inverted wedge shape and have different redundancy sizes from each other. The stacked semiconductor memory device has space for vertical connection between layers, a relatively small size, and a relatively high yield.