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:
Feb. 24, 2015
Filed:
Dec. 05, 2012
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventors:
Takashi Ishiguro, Tokyo, JP;
Kenichi Shimomai, Hyogo, JP;
Kyoko Nakajima, Tokyo, JP;
Tetsuo Hironaka, Hiroshima, JP;
Kazuya Tanigawa, Hiroshima, JP;
Assignee:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 13/00 (2006.01); H01L 45/00 (2006.01); H01L 27/24 (2006.01);
U.S. Cl.
CPC ...
G11C 13/0069 (2013.01); G11C 13/0004 (2013.01); H01L 45/06 (2013.01); H01L 45/144 (2013.01); H01L 27/2436 (2013.01); H01L 27/2472 (2013.01); G11C 2213/79 (2013.01); G11C 2213/82 (2013.01); Y10S 977/754 (2013.01);
Abstract
A semiconductor device of this invention has an array of non-volatile memory cells, may operate immediately after power activation to write data on and read out the data without reading from an external portion. Further, this invention is free from the lithographic process of the phase-change layer on the manufacturing process.