METHOD FOR IMPROVING THE CORROSION RESISTANCE OF AN ELECTRONIC COMPONENT, PARTICULARLY OF CONDUCTORS OF A PRINTED CIRCUIT BOARD
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United States of America Patent
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app pub date -
Sep 22, 2009
filing date -
Sep 24, 2008
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Abstract
In a method for improving the corrosion resistance of an electronic component, particularly of conductors of a printed circuit board, wherein after the conductors are produced out of copper a further treatment follows, the conductors are subjected to a pretreatment prior to the further treatment, wherein ions or ion impurities present on the surface of the conductors are removed by a purifying treatment and/or treated with at least one complexing composition, whereby the production of conductors and/or printed circuit boards having improved corrosion resistance, particularly when used in surroundings having higher moisture and optionally higher temperatures, becomes possible.
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