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:
Nov. 28, 2000
Filed:
Feb. 12, 1999
Hidekazu Takata, Nara, JP;
Sharp Kabushiki Kaisha, , JP;
Abstract
The semiconductor memory device of this invention includes a capacitor, a first transistor, and a second transistor, wherein the capacitor includes a first electrode, a second electrode opposing the first electrode, and a ferroelectric film sandwiched by the first and second electrodes, and stores and holds binary information utilizing a polarizing state of the ferroelectric film, the first transistor includes a first electrode, a second electrode, and a gate electrode, the second electrode being connected to the first electrode of the capacitor, and the second transistor includes a first electrode, a second electrode, and a gate electrode, the first electrode being connected to the second electrode of the capacitor.