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:
Mar. 31, 1998
Filed:
Aug. 12, 1996
Dae Hyun Kim, Ichon, KR;
Gyu Wan Kwon, Ichon, KR;
Hyundai Electronics Industries Co., Ltd., Kyungki-do, KR;
Abstract
The present invention relates to a flash memory device and, more particularly, to a flash memory device which is constructed to prevent over-erase and stress of a cell by preventing re-erase of a sector, which was confirmed as a pass, at the time of the re-erase operation due to an occurrence of a fail sector by storing the address of the sector, which was confirmed as a pass, at the time of the erase operation of a multi sector, so as to improve the reliability of the product and the life of the cell. The present invention generally applies to all the devices which utilize a multi sector erase performing algorithm among flash memory devices which utilize a stack memory cell.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile