SUSPENSION WITH HIGH CONDUCTIVITY GROUND LAYER
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Nov 22, 2011
filing date -
Nov 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A suspension is configured to support a magnetic head slider having a recording head element for recording data signals to a magnetic recording medium and a microwave generating element that applies a high-frequency magnetic field to the magnetic recording medium when recording is conducted by the recording head element. The suspension includes a flexure that supports the magnetic head slider and a microwave signal transmission line. The microwave signal transmission line is connected to the microwave generating element and configured to transmit microwave signals for generating the high-frequency magnetic field. A portion that supports the microwave signal transmission line of the flexure includes a lamination structure, a ground layer with the thickness of 0.1 μm or greater and less than 2 μm and having higher conductivity than that of the flexure main plate, and an insulating layer that supports the microwave signal transmission line.
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