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. 14, 2012
Filed:
Sep. 14, 2009
Han Woong Yoo, Seoul, KR;
Seung-hwan Song, Suwon-si, KR;
Junjin Kong, Yongin-si, KR;
Jaehong Kim, Seoul, KR;
Han Woong Yoo, Seoul, KR;
Seung-Hwan Song, Suwon-si, KR;
Junjin Kong, Yongin-si, KR;
Jaehong Kim, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A distribution analyzing method for a nonvolatile memory device having memory cells exhibiting overlapping first and second threshold voltage distributions includes; detecting a degree of overlap between the first and second threshold voltage distributions by reading data stored in the memory cells and determining read index data from the read data, and estimating a distribution characteristic for at least one of the overlapping threshold voltage distributions using the read index data.