INSULATION OF COMPONENTS OF AN SMA ACTUATION ARRANGEMENT IN A MINIATURE CAMERA
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United States of America Patent
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Issued Date -
Mar 16, 2017
app pub date -
Mar 2, 2015
filing date -
Mar 4, 2014
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Abstract
Insulation of components of an SMA actuation arrangement in a miniature camera A miniature camera comprises an SMA actuator arrangement including at least one SMA actuator wire arranged to effect focus, zoom or optical image stabilization. At least one component of the SMA actuator arrangement that is not the SMA actuator wire is coated with an electrically insulating layer, thereby reducing the risk of short circuiting of the drive current of the SMA actuator wire. The SMA actuator wire may not be coated at all.
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