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. 15, 2011
Filed:
Feb. 11, 2009
Applicant:
Masato Iyoki, Chiba, JP;
Inventor:
Masato Iyoki, Chiba, JP;
Assignee:
SII NanoTechnology Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The cylindrical piezoelectric actuator which comprised a piezoelectric element which provided electrode in each of an inner peripheral face and an outer peripheral face which was cylindrical at least, and drive power supply to drive it. And the outer side electrode of the piezoelectric element covered the substantially circumferential outer face entirety and it was connected to a ground potential, and the electrode in the internal perimeter surface connected to drive power supply.