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MAGNETIC RECORDING DISK DRIVE WITH INTEGRATED LEAD SUSPENSION HAVING MULTIPLE SEGMENTS FOR OPTIMAL CHARACTERISTIC IMPEDANCE
MAGNETIC RECORDING DISK DRIVE WITH INTEGRATED LEAD SUSPENSION HAVING MULTIPLE SEGMENTS FOR OPTIMAL CHARACTERISTIC IMPEDANCE
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机译:具有集成式铅垂悬式磁记录磁盘驱动器,具有多个段,可实现最佳特性阻抗
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摘要
An integrated lead suspension (ILS) in a magnetic recording disk drive has the transmission line portion of the ILS between the flex cable and the gimbal formed of multiple interconnected segments, each with its own characteristic impedance. At the interface between any two segments there is a change in the widths of the electrically conductive traces of the transmission line. The change in impedance of a fixed-length segment is a function of the change in its trace width. The number of segments and their characteristic impedance values are selected to produce the largest frequency bandwidth with a substantially flat group delay from the write driver to the write head.
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