发明申请
- 专利标题： Electrical connecting structure for piezoelectric element, piezoelectric actuator, head suspension, and electrical connecting structure for conductive part
- 专利标题（中）： 用于压电元件的电气连接结构，压电致动器，磁头悬架以及用于导电部件的电连接结构
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申请号： US12584627申请日： 2009-09-08
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公开(公告)号： US20100067151A1公开(公告)日： 2010-03-18
- 发明人: Osamu Okawara , Toshiki Ando , Naoki Moriya
- 申请人： Osamu Okawara , Toshiki Ando , Naoki Moriya
- 申请人地址： JP Yokohama-shi
- 专利权人： NHK SPRING CO., LTD.
- 当前专利权人： NHK SPRING CO., LTD.
- 当前专利权人地址： JP Yokohama-shi
- 优先权： JP2008-229284 20080908
- 主分类号： G11B5/56
- IPC分类号： G11B5/56 ; H01L41/047
摘要：
A piezoelectric element 13 has a common electrode 19 that receives electricity from a terminal 57. The terminal 57 has a through hole 67 and an electric insulating layer 61. The piezoelectric element 13 is arranged so that the common electrode 19 faces the electric insulating layer 61 of the terminal 57. A liquid stopper 69 is formed around the through hole 67 so as to come between the common electrode 19 and the terminal 57 when the common electrode 19 and terminal 57 are set to face each other. A liquid conductive adhesive 71 is injected into the through hole 67 to fill a gap defined by the liquid stopper 69 between the terminal 57 and the common electrode 19 and secure electric connection between the terminal 57 and the common electrode 19. This configuration improves the reliability of wiring to the piezoelectric element and prevents the piezoelectric element from being damaged.
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