Method and device for producing metal foils
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United States of America Patent
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Aug 21, 2012
Grant Date -
Feb 19, 2009
app pub date -
Apr 26, 2005
filing date -
Apr 26, 2004
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Abstract
A method and device for producing metal foils using the foil-casting principle includes the steps of filling a casting frame with liquid metal, moving a substrate through the bottom of the casting frame, with the substrate belt being at a lower temperature than the melting point of the liquid metal in the bottom of the casting frame, so that a bottom layer of the liquid metal crystallizes on the substrate and a metal foil is formed on the substrate on one side of the casting frame. The method further includes the steps of measuring at least one of a thickness and weight of the metal foil, and adjusting the contact surface area between the liquid metal and the substrate as a function of the measured value for the thickness and/or weight of the foils produced.
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