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:
Jan. 30, 2007
Filed:
Aug. 30, 2005
Hiroshi Iwata, Nara-ken, JP;
Yoshifumi Yaoi, Nara-ken, JP;
Akihide Shibata, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Characteristic fluctuation of a reference cell due to read disturb is prevented. A memory celland a reference cellrespectively have memory function bodies that are formed on both sides of a gate electrode and have a function to retain electric charge or polarization. The memory cellcan store independent information pieces in memory function bodiesandlocated on both sides of the gate electrode and the independent information pieces are read therefrom. On the other hand, in the reference cell, only the information piece stored in a memory function bodylocated on one side of the gate electrode is referred to in a sense amplifier