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    • 2. 发明申请
    • Techniques for reducing flexure distortion and gimbal separation for thin-film PZT micro-actuators of head gimbal assemblies
    • 用于减少头万向节组件薄膜PZT微致动器的挠曲变形和万向节分离的技术
    • US20080144225A1
    • 2008-06-19
    • US11638565
    • 2006-12-14
    • MingGao YaoYiRu XieFengAn Huang
    • MingGao YaoYiRu XieFengAn Huang
    • G11B5/48G11B5/56
    • G11B5/4826G11B5/5552
    • Systems and methods for reducing flexure distortion and/or gimbal separation for thin-film piezoelectric transducer (PZT) micro-actuators for head gimbal assemblies (HGA) of disk drive devices are provided. In certain example embodiments, a head gimbal assembly may comprise a suspension including a suspension flexure. The suspension flexure may include a micro-actuator mounting region. A micro-actuator may be mounted to the micro-actuator mounting region of the suspension flexure. At least one support may be formed on the micro-actuator mounting region, such that the support increases the stiffness of the suspension flexure. The supports may be a single bar-shape, two separated bar-shapes, circle-shaped, rectangle-shaped, cross-shaped, etc. The supports may be made of metal, and they may be formed by chemical etching.
    • 提供了用于减少用于磁盘驱动器件的头万向节组件(HGA)的薄膜压电换能器(PZT)微致动器的挠曲变形和/或万向节分离的系统和方法。 在某些示例性实施例中,头部万向节组件可以包括悬架,其包括悬架弯曲部。 悬架挠曲可以包括微致动器安装区域。 微致动器可以安装到悬架弯曲的微致动器安装区域。 可以在微致动器安装区域上形成至少一个支撑件,使得支撑件增加悬架挠曲件的刚度。 支撑体可以是单个棒状,两个分开的棒状,圆形,矩形,十字形等。支撑件可以由金属制成,并且它们可以通过化学蚀刻形成。