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:
May. 29, 2018
Filed:
Oct. 30, 2015
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Joon-sung Yang, Seongnam-si, KR;
Hyunseung Han, Seoul, KR;
Research & Business Foundation Sungkyunkwan University, Suwon-si, KR;
Abstract
An error check and correction method of a 3D memory include a) storing check bits, which is used for error check and correction of an upper memory among the plurality of the memory layers, in one or more of spare cell arrays of a lower memory layer stacked below the upper memory layer and the upper memory layer; and b) performing error check and correction of the upper memory layer by using the stored check bits, wherein in the 3D memory, there are stacked a plurality of memory layers comprising a memory cell array with a matrix structure consisting of memory cells and a spare cell array with a matrix structure consisting of spare memory cells for replacing a fault memory cell, in which a fault occurs, and the 3D memory comprises a master layer for controlling the plurality of the memory layers.