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. 05, 2019
Filed:
Apr. 16, 2014
Applicant:
Arkema France, Colombes, FR;
Inventors:
Fabrice Domingues Dos Santos, Lyons, FR;
Thierry Lannuzel, Villeurbanne, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/115 (2017.01); H01L 29/51 (2006.01); H01L 29/78 (2006.01); H01L 51/05 (2006.01); H01L 27/11507 (2017.01); H01G 4/14 (2006.01); H01L 21/28 (2006.01); H01L 29/66 (2006.01); H01L 27/10 (2006.01); H01L 29/861 (2006.01); H01L 27/28 (2006.01); H01L 49/02 (2006.01); C08F 214/22 (2006.01); H01G 4/33 (2006.01); H01G 7/06 (2006.01); H01G 4/18 (2006.01); H01L 51/00 (2006.01); H01L 27/1159 (2017.01); H01L 27/11502 (2017.01); H01L 27/11585 (2017.01);
U.S. Cl.
CPC ...
H01L 27/11507 (2013.01); C08F 214/22 (2013.01); H01G 4/14 (2013.01); H01G 4/18 (2013.01); H01G 4/33 (2013.01); H01G 7/06 (2013.01); H01L 21/28291 (2013.01); H01L 27/101 (2013.01); H01L 27/1159 (2013.01); H01L 27/285 (2013.01); H01L 28/40 (2013.01); H01L 29/516 (2013.01); H01L 29/6684 (2013.01); H01L 29/78391 (2014.09); H01L 29/861 (2013.01); H01L 51/0034 (2013.01); H01L 51/0043 (2013.01); H01L 51/0575 (2013.01); H01L 27/11502 (2013.01); H01L 27/11585 (2013.01); H01L 28/55 (2013.01); H01L 51/004 (2013.01);
Abstract
The invention relates to a ferroelectric memory device comprising at least one layer comprising a ferroelectric polymer, and at least two electrodes either side thereof, the ferroelectric polymer being of general formula P(VDF-X-Y), wherein VDF is vinylidene fluoride motifs, X is trifluoroethylene or tetrafluoroethylene motifs, and Y is motifs from a third monomer, the molar proportion of Y motifs in the polymer being less than or equal to 6.5%.