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:
Oct. 12, 1999
Filed:
Feb. 18, 1999
Hiroyuki Kobatake, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A flash EEPROM includes a an array of nonvolatile memory cells each having a cell transistor of a double gate structure and a program area for the floating gate of the cell transistor. The flash EEPROM is subjected to programming, flash erasing and read mode, each of a byte by byte mode. The flash EEPROM includes first through third selection transistors, for disconnecting the source, drain and control gate of the selected cell transistor from those of the unselected cell transistors in a byte for suppressing a disturbance between cell transistors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile