Apparatus and method for coating a functional layer
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United States of America Patent
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Jul 21, 2015
Grant Date -
Jan 17, 2013
app pub date -
Sep 14, 2012
filing date -
Feb 4, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method for coating a functional layer on a current collector with an active material layer thereon, the apparatus including a first roll and a second roll, the first roll and second roll being for advancing the current collector; a gravure roll, the gravure roll being configured to coat the functional layer on the active material layer; a thickness measurer, the thickness measurer being configured to measure at least one of a thickness of the active material layer and a sum thickness of the active material layer and the functional layer; and a controller, the controller being in communication with the thickness measurer and being configured to control a rotation speed of the gravure roll.
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