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:
Jun. 07, 2016
Filed:
Sep. 06, 2013
Kabushiki Kaisha Toshiba, Tokyo, JP;
Seiji Inumiya, Yokkaichi, JP;
Yoshio Ozawa, Yokohama, JP;
Koji Yamakawa, Tokyo, JP;
Atsuko Sakata, Yokkaichi, JP;
Masayuki Tanaka, Yokkaichi, JP;
Junichi Wada, Yokkaichi, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
According to one embodiment, a ferroelectric memory includes a semiconductor layer, an interfacial insulating film formed on the semiconductor layer, a ferroelectric film formed on the interfacial insulating film, and a gate electrode formed on the ferroelectric film, wherein the ferroelectric film is a film which includes a metal that is hafnium (Hf) or zirconium (Zr) and oxygen as the main components and to which an element selected from the group consisting of silicon (Si), magnesium (Mg), aluminum (Al).