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:
May. 19, 2015
Filed:
Mar. 13, 2014
Applicants:
Kouji Ohnishi, Hyogo, JP;
Takahiko Kuroda, Hyogo, JP;
Manabu Nishimura, Hyogo, JP;
Kaichi Ueno, Osaka, JP;
Inventors:
Kouji Ohnishi, Hyogo, JP;
Takahiko Kuroda, Hyogo, JP;
Manabu Nishimura, Hyogo, JP;
Kaichi Ueno, Osaka, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/045 (2006.01); H01L 41/047 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14201 (2013.01); H01L 41/0475 (2013.01); B41J 2/14233 (2013.01); B41J 2202/11 (2013.01); B41J 2202/18 (2013.01);
Abstract
An actuator element includes an electrode film; and an insulation film layered on the electrode film including a through hole for connecting a wiring which is formed on the insulation film to the electrode film. A shape of a rim of the through hole is either a closed curve free of corners or a polygon with vertex angles which are larger than 90 degrees.