发明公开
EP0789351A1 Conductive trace flexure for a magnetic head suspension assembly
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Biegungsvorrichtung mit LeiterbahnfüreineMagnetkopfaufhängungseinheit
- 专利标题: Conductive trace flexure for a magnetic head suspension assembly
- 专利标题(中): Biegungsvorrichtung mit LeiterbahnfüreineMagnetkopfaufhängungseinheit
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申请号: EP97101650.6申请日: 1997-02-03
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公开(公告)号: EP0789351A1公开(公告)日: 1997-08-13
- 发明人: Khan, Amanullah , Hanrahan, Kevin Patrick
- 申请人: READ-RITE CORPORATION
- 申请人地址: 345 Los Coches Street Milpitas California 95035 US
- 专利权人: READ-RITE CORPORATION
- 当前专利权人: READ-RITE CORPORATION
- 当前专利权人地址: 345 Los Coches Street Milpitas California 95035 US
- 代理机构: Körber, Wolfhart, Dr. rer.nat.
- 优先权: US600240 19960212
- 主分类号: G11B5/48
- IPC分类号: G11B5/48
摘要:
A magnetic head suspension assembly (10) for transducing data from and onto a surface of a rotating magnetic disk (4) includes a load beam (12) for supplying a directed force to a slider (16), so as to maintain the slider (16) at a desired height above the disk surface. A flexure (14) is secured to the load beam (12), and is formed of a flexible dielectric layer (55) on which a pattern of conductive traces (57-60) are formed. These conductive traces (57-60) are patterned for providing sufficient flexibility in various degrees of movement and stiffness to resist physical deformation, for imparting optimal mechanical and structural support to the slider (16) and to the load beam (12), and for electrically connecting the slider (16) to read/write electronic circuitry. In the preferred embodiment, the dielectric layer (55) is made of a polymeric resinous material, such as polyimide, and the conductive traces (57-60) are made of copper.
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