发明授权
- 专利标题: Driving device
- 专利标题(中): 驱动装置
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申请号: US11890564申请日: 2007-08-07
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公开(公告)号: US07705520B2公开(公告)日: 2010-04-27
- 发明人: Akira Wada , Yasuhiro Okamoto , Taketo Namikawa
- 申请人: Akira Wada , Yasuhiro Okamoto , Taketo Namikawa
- 申请人地址: JP Hachioji-shi
- 专利权人: Konica Minolta Opto, Inc.
- 当前专利权人: Konica Minolta Opto, Inc.
- 当前专利权人地址: JP Hachioji-shi
- 代理机构: Sidley Austin LLP
- 优先权: JP2006-219254 20060811
- 主分类号: H01L41/04
- IPC分类号: H01L41/04
摘要:
There is provided a driving device 1 in which an electromechanical transducer is used and which has a high drive efficiency, having an electromechanical transducer 4 that is extended and contracted by application thereto of voltages, a drive shaft 6 having one end fixed by adhesive 5 to the electromechanical transducer 4, and a movable member 7 that is frictionally engaged on the driving shaft 6, an expression 8≧E/t≧0.48 where t (μm) is a thickness of the adhesive and E (GPa) is a modulus of longitudinal elasticity of the adhesive is satisfied by mixing into the adhesive 3, 5 particulates 10 that have diameters not smaller than 1 μm and not larger than 5 μm.
公开/授权文献
- US20080315721A1 Driving device 公开/授权日:2008-12-25