Object lens drive unit and optical pickup using the same
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United States of America Patent
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Oct 28, 2014
Grant Date -
Dec 13, 2012
app pub date -
Mar 27, 2012
filing date -
Jun 13, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In the object lens drive unit including a lens holder with an object lens attached to, a plurality of driving coils attached to the lens holder, connection substrates attached to both sides of the lens holder, and a plurality of suspension wires with end parts thereof connected to the connection substrates for operatively supporting the lens holder, a plurality of sets of wire connection electrodes for connecting the suspension wires and coil connection electrodes electrically connected to the wire connection electrodes for connecting terminal wires of the coils are arranged in line in an optic axis direction of the object lens and the wire connection electrodes and the coil connection electrodes are formed in a symmetric shape to a central axis parallel to the optic axis direction on the connection substrates.
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