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:
Apr. 16, 2013
Filed:
May. 01, 2009
Koji Arita, Osaka, JP;
Takumi Mikawa, Shiga, JP;
Mitsuteru Iijima, Osaka, JP;
Takashi Okada, Osaka, JP;
Koji Arita, Osaka, JP;
Takumi Mikawa, Shiga, JP;
Mitsuteru Iijima, Osaka, JP;
Takashi Okada, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A memory element () arranged in matrix in a memory device and including a resistance variable element () which switches its electrical resistance value in response to a positive or negative electrical pulse applied thereto and retains the switched electrical resistance value; and a current control element () for controlling a current flowing when the electrical pulse is applied to the resistance variable element (); wherein the current control element () includes a first electrode; a second electrode; and a current control layer sandwiched between the first electrode and the second electrode; and wherein the current control layer comprises SiN, and at least one of the first electrode and the second electrode comprises α-tungsten.