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:
Oct. 03, 2017
Filed:
Jan. 28, 2013
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Eric Andrew Patterson, Corvallis, OR (US);
David Cann, Corvallis, OR (US);
Peter Mardilovich, Corvallis, OR (US);
Assignees:
OREGON STATE UNIVERSITY OFFICE OF TECHNOLOGY TRANSFER, Corvallis, OR (US);
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01); C04B 35/462 (2006.01); C04B 35/475 (2006.01); C04B 35/465 (2006.01); C04B 35/495 (2006.01); H01L 41/09 (2006.01); B41J 2/14 (2006.01); C04B 35/468 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1878 (2013.01); B41J 2/14233 (2013.01); C04B 35/462 (2013.01); C04B 35/465 (2013.01); C04B 35/4682 (2013.01); C04B 35/475 (2013.01); C04B 35/495 (2013.01); H01L 41/0973 (2013.01); H01L 41/1873 (2013.01); B41J 2202/03 (2013.01); C04B 2235/3201 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3234 (2013.01); C04B 2235/3251 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/3298 (2013.01);
Abstract
A lead-free piezoelectric ceramic material has the general chemical formula xBiCoO3-y(Bi0.5Na0.5)TiO3-z(Bi0.5K0.5)TiO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zNaN-bO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zKNbO3, xBiCoO3-yBi(Mg0.5Ti0.5)O3-z(Bi0.5Na0.5)TiO3, xBiCoO3-yBa-TiO3-z(Bi0.5Na0.5)TiO3, or xBiCoO3-yNaNbO3-zKNbO3; wherein x+y+z=1, and x, y, z≠0.