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. 08, 2016
Filed:
Dec. 05, 2014
Applicant:
Hgst, Inc., San Jose, CA (US);
Inventors:
Daniel R. Shepard, North Hampton, NH (US);
Mac D. Apodaca, San Jose, CA (US);
Assignee:
HGST, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 45/00 (2006.01); G11C 13/00 (2006.01); H01L 27/24 (2006.01);
U.S. Cl.
CPC ...
H01L 45/1253 (2013.01); G11C 13/0004 (2013.01); G11C 13/0069 (2013.01); H01L 27/2409 (2013.01); H01L 27/2427 (2013.01); H01L 45/06 (2013.01); H01L 45/124 (2013.01); H01L 45/1246 (2013.01); H01L 45/144 (2013.01); H01L 45/1675 (2013.01); G11C 2013/0078 (2013.01);
Abstract
In various embodiments, a memory cell for storing two or more bits of information includes two series-connected memory storage elements composed of programmable materials having different melting points, enabling independent programming of the storage elements via different current pulses.