Adhesion enhancement for metal foil
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United States of America Patent
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Jul 11, 2000
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N/A
app pub date -
Jul 30, 1998
filing date -
Aug 6, 1997
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Abstract
In one embodiment, the present invention relates to a method of treating metal foil including sequentially contacting the metal foil with a metal foil oxidizer solution containing water and at least about 7 ppm dissolved oxygen, contacting the metal foil with a chromium containing electrolytic bath and electrolyzing the bath, wherein the bath contains about 0.1 to about 5 g/l of a chromium compound, and contacting the metal foil with a silane solution containing from about 0.1 to about 10% v/v of a silane compound.
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