Invention Grant
- Patent Title: Manufacturing method for vibration body and manufacturing method for vibration actuator
- Patent Title (中): 振动体的制造方法及振动执行机构的制造方法
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Application No.: US12884463Application Date: 2010-09-17
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Publication No.: US08549728B2Publication Date: 2013-10-08
- Inventor: Takahiro Sato
- Applicant: Takahiro Sato
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Ditthavong Mori & Steiner, P.C.
- Priority: JP2007-065126 20070314; JP2008-060499 20080311
- Main IPC: H04R31/00
- IPC: H04R31/00
Abstract:
To provide a vibration actuator, a lens barrel, a camera, a manufacturing method for a vibration body and a manufacturing method for a vibration actuator, which have a high driving efficiency and can lead to easy manufacture. A vibration actuator of the present invention is provided with an elastic body and an electromechanical transducer element sintered onto the elastic body in the state that the element is divided into a plurality of areas by a groove-shaped border portion.
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