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. 26, 2009
Filed:
Apr. 26, 2005
Akira Kurozuka, Fujiidera, JP;
Yoshihiro Mushika, Neyagawa, JP;
Osamu Kajino, Kadoma, JP;
Panasonic Corporation, Osaka, JP;
Abstract
There has been a trade-off between the rigidity and the mass of a movable section of a microactuator, and also between the rigidity of the movable section and the electrostatic force. A microactuatorincludes: a base; a first comb electrodesupported by the basea movable sectionhaving a second comb electrodeopposing the first comb electrodeand at least one reinforcement ribprotruding toward the baseand an elastic supporting memberfor supporting the movable sectionso as to allow the movable sectionto be displaced with respect to the baseThe height of the second comb electrodeis different from the height of the at least one reinforcement rib