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:
Sep. 18, 2007
Filed:
Sep. 28, 2005
Applicant:
Makoto Motoyoshi, Kanagawa, JP;
Inventor:
Makoto Motoyoshi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An TMR-type MRAM comprising a transistor for selection; a first connecting hole; a first wiring (write-in word line); a second insulating interlayer covering a first insulating interlayer and the first wiring; a TRM device formed on the second insulating interlayer; a second wiring (bit line) formed on a third insulating interlayer; and a second connecting hole formed through the second insulating interlayer and connected to the first connecting hole, in which an end face of an extending portion of the other end of the TRM device is in contact with the second connecting hole.