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.

Date of Patent:
Oct. 18, 2016

Filed:

Jun. 16, 2014
Applicant:

Micron Technology, Inc., Boise, ID (US);

Inventors:

Durai Vishak Nirmal Ramaswamy, Boise, ID (US);

Wayne Kinney, Emmett, ID (US);

Marco Domenico Tiburzi, Avezzano, IT;

Assignee:

Micron Technology, Inc., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/22 (2006.01); H01L 27/115 (2006.01);
U.S. Cl.
CPC ...
H01L 27/11514 (2013.01); H01L 27/11507 (2013.01);
Abstract

A memory cell includes a first electrode and a second electrode. A select device and a programmable device are in series with each other between the first and second electrodes. The select device is proximate and electrically coupled to the first electrode. The programmable device is proximate and electrically coupled to the second electrode. The programmable device includes a radially inner electrode having radially outer sidewalls. Ferroelectric material is radially outward of the outer sidewalls of the inner electrode. A radially outer electrode is radially outward of the ferroelectric material. One of the outer electrode or the inner electrode is electrically coupled to the select device. The other of the outer electrode and the inner electrode is electrically coupled to the second electrode. Arrays of memory cells are disclosed.


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