LITHO STRIP FOR ELECTROCHEMICAL ROUGHENING AND METHOD FOR ITS MANUFACTURE
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United States of America Patent
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Mar 22, 2017
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Oct 22, 2010
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The invention relates to a litho sheet for electrochemical roughening, consisting of a rolled aluminium alloy, wherein the sheet surface has a topography with a maximum peak height Rp or Sp of not more than 1.4 μm, preferably not more than 1.2 μm, in particular not more than 1.0 μm. The invention also relates to a method which is intended for producing a litho sheet and in the case of which a litho sheet consisting of an aluminium alloy is cold-rolled and in the case of which the litho sheet, following the final cold-rolling pass, is subjected to a degreasing treatment with a pickling step using an aqueous pickling medium.
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