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:
Jan. 15, 2019
Filed:
Mar. 31, 2016
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Akifumi Morishita, Komaki, JP;
Tomohiko Hibino, Inazawa, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01); H01L 41/187 (2006.01); C04B 35/472 (2006.01); H01L 41/43 (2013.01); B32B 18/00 (2006.01); C04B 35/493 (2006.01); C04B 35/499 (2006.01); C04B 35/626 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1876 (2013.01); B32B 18/00 (2013.01); C04B 35/472 (2013.01); C04B 35/493 (2013.01); C04B 35/499 (2013.01); C04B 35/62655 (2013.01); C04B 35/62675 (2013.01); H01L 41/43 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3284 (2013.01); C04B 2235/3296 (2013.01); C04B 2235/442 (2013.01); C04B 2235/449 (2013.01); C04B 2235/604 (2013.01); C04B 2235/6021 (2013.01); C04B 2235/6023 (2013.01); C04B 2235/6025 (2013.01); C04B 2237/346 (2013.01); C04B 2237/348 (2013.01);
Abstract
A piezoelectric/electrostrictive material is composed of Mn and a compound of Pb(Zn, Nb)O—Pb(Ni, Nb)O—Pb(Zr, Ti)O. A ratio of a molar amount of Mn relative to a sum of respective molar amounts of Ni, Zn, Ti, Zr, Nb and Mn is at least 0.001 to no more than 0.015. A ratio of a molar amount of Nb relative to a sum of respective molar amounts of Ni and Zn is at least 2.007 to no more than 2.125.