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FLEXURE BASED SHOCK AND VIBRATION SENSOR FOR HEAD SUSPENSION IN HARD DISK DRIVE
FLEXURE BASED SHOCK AND VIBRATION SENSOR FOR HEAD SUSPENSION IN HARD DISK DRIVE
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机译:基于挠性的硬盘驱动器磁头悬浮振动传感器
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摘要
PROBLEM TO BE SOLVED: To provide a system and a method for flexure based shock and vibration sensor for head suspensions in hard disk drives.;SOLUTION: Specifically, this invention deals with operational shock and vibration management within a hard disk drive. In one implementation, the assembly includes a circuit embedded optical waveguide sensor that includes a flexible electrical circuit board with a configuration of either a single or multi layers of conductor traces, a thin flexure gimbal for carrying and flying a HDD slider, a consecutive sensing layer constructed by an optical core and by clad construction with a configuration of either a single core array or a plural core array, an optical loop formed by light input and an output core, optical grating disposed on the consecutive sensing layer forming an optical grating waveguide sensor, a light emitter for injecting light into the optical core, and a receiver receiving the output light from the optical core.;COPYRIGHT: (C)2009,JPO&INPIT
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