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. 20, 2024
Filed:
Sep. 08, 2020
Applicant:
Xaar Technology Limited, Cambridge, GB;
Inventors:
Peter Mardilovich, Cambridge, GB;
Susan Trolier-McKinstry, University Park, PA (US);
Assignee:
Xaar Technology Limited, Cambridge, GB;
Primary Examiner:
Int. Cl.
CPC ...
H10N 30/85 (2023.01); H10N 30/06 (2023.01); H10N 30/078 (2023.01); H10N 30/87 (2023.01); H10N 30/00 (2023.01); H10N 30/20 (2023.01); H10N 30/853 (2023.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
H10N 30/85 (2023.02); B41J 2/14233 (2013.01); H10N 30/06 (2023.02); H10N 30/078 (2023.02); H10N 30/1051 (2023.02); H10N 30/2047 (2023.02); H10N 30/8554 (2023.02); H10N 30/87 (2023.02); B41J 2002/14266 (2013.01);
Abstract
A piezoelectric thin film element having a first electrode, a second electrode and a piezoelectric thin film between the electrodes, wherein the thin film comprises a laminate having two or more piezoelectric thin film layers and wherein a first thin film layer is doped by one or more dopants and a second film layer is doped by one or more dopants and wherein at least one dopant of the second thin film layer is different from the dopant or dopants of the first thin film layer.