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:
Jul. 29, 2011
Applicants:
Takeshi Kijima, Chiba, JP;
Yuuji Honda, Chiba, JP;
Inventors:
Takeshi Kijima, Chiba, JP;
Yuuji Honda, Chiba, JP;
Assignee:
YOUTEC CO., LTD., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01); H01L 41/083 (2006.01); H01L 41/318 (2013.01); B05D 5/00 (2006.01); H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
B05D 5/00 (2013.01); H01L 41/0815 (2013.01); H01L 41/1873 (2013.01); H01L 41/1878 (2013.01); H01L 41/318 (2013.01); Y10T 428/26 (2015.01);
Abstract
To produce a ferroelectric film formed of a lead-free material. The ferroelectric film according to an aspect of the present invention includes a (KNa)NbOfilm or a BiFeOfilm having a perovskite structure and a crystalline oxide preferentially oriented to (001) formed on at least one of the upper side and lower side of the (KNa)NbOfilm or BiFeOfilm, and X satisfies the formula below0.3≦X≦0.7.