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:
Jul. 12, 2005
Filed:
Jan. 21, 2003
Fumihiko Hayashi, Tokyo, JP;
Fumihiko Hayashi, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
There are provided a semiconductor device which is operable with a small occupied area, high reliability, and low power consumption, a nonvolatile semiconductor storage apparatus using the device and a manufacture method of the device. A semiconductor device of the present invention comprises a first gate insulating film, floating gate, second gate insulating film, and control gate on a semiconductor substrate, and a source area and a drain area formed in the semiconductor substrate on opposite sides of the floating gate, the floating gate comprises a first floating gate and a second floating gate disposed to cover the first floating gate, and an isolating gate is formed on the second floating gate on the side of the semiconductor substrate, and parallel to the first floating gate via an isolating insulating film
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile