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:
Jun. 27, 2017
Filed:
Aug. 04, 2014
SK Hynix Inc., Icheon-si, Gyeonggi-do, KR;
Eun Seok Choi, Seongnam-si, KR;
Jung Seok Oh, Seoul, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
The semiconductor memory device includes a memory cell array including a first plurality of normal memory cells and a second plurality of dummy memory cells in a stacked configuration over a substrate, a first plurality of normal word lines electrically coupled to the first plurality of normal memory cells, and a second plurality of dummy word lines electrically coupled to the second plurality of dummy memory cells, wherein the first plurality of normal memory cells includes at least one bad memory cell and each of the at least one bad memory cells are is replaced with a dummy memory cell from among the second plurality of dummy memory cells.