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:
Feb. 01, 2022
Filed:
Oct. 22, 2020
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Sung Lae Oh, Icheon-si, KR;
Ki Soo Kim, Icheon-si, KR;
Sang Woo Park, Icheon-si, KR;
Dong Hyuk Chae, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/10 (2006.01); H01L 25/065 (2006.01); H01L 27/11582 (2017.01); H01L 27/11573 (2017.01); H01L 23/00 (2006.01); G11C 16/16 (2006.01); G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
H01L 25/0657 (2013.01); G11C 16/0483 (2013.01); G11C 16/10 (2013.01); G11C 16/16 (2013.01); H01L 24/08 (2013.01); H01L 27/11573 (2013.01); H01L 27/11582 (2013.01); H01L 2224/08145 (2013.01); H01L 2924/1431 (2013.01); H01L 2924/14511 (2013.01);
Abstract
A memory device includes a first memory block defined in a first wafer; and a second memory block defined in a second wafer that is disposed in a vertical direction with respect to the first wafer. A size of the first memory block is smaller than a size of the second memory block.