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首页> 外国专利> CLEANING METHOD FOR SILVER-COATED METAL POWDER, PRODUCING METHOD FOR SILVER-COATED METAL POWDER, SILVER-COATED COPPER POWDER, SILVER-COATED COPPER ALLOY POWDER, CONDUCTIVE PASTE AND PRODUCTION METHOD FOR CONDUCTIVE FILM, ELECTRONIC COMPONENT, AND ELECTRONIC APPARATUS

CLEANING METHOD FOR SILVER-COATED METAL POWDER, PRODUCING METHOD FOR SILVER-COATED METAL POWDER, SILVER-COATED COPPER POWDER, SILVER-COATED COPPER ALLOY POWDER, CONDUCTIVE PASTE AND PRODUCTION METHOD FOR CONDUCTIVE FILM, ELECTRONIC COMPONENT, AND ELECTRONIC APPARATUS

机译：镀银金属粉末的清洁方法，镀银金属粉末的生产方法，镀银铜粉末，镀银铜合金粉末，导电膜及导电膜，电子元件和电子的生产方法

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摘要

To provide a method for making a silver-coated copper (alloy) powder more excellent in electric conductivity, and a silver-coated copper (alloy) powder excellent in electric conductivity like the same.SOLUTION: A cleaning method for a silver-coated metal powder has a cleaning step 1 that cleans a silver-coated metal powder having a silver-coated layer copper on a particle surface of a metal powder that is a copper powder consisting of copper and inevitable impurities or a copper alloy powder consisting of copper, nickel, zinc and inevitable impurities with a solution containing at least one complexing compound selected from a group consisting of ammonia, amine-based compound and cyanide compound, and a cleaning step 2 that cleans the silver-coated metal powder cleaned in the cleaning step 1 with a solution containing a reductant.SELECTED DRAWING: None
机译：提供一种制备导电性更优异的银包铜（合金）粉末的方法和与之相同的导电性优异的银包铜（合金）粉末的方法。解决方案：涂银金属的清洁方法粉末具有清洁步骤1，该清洁步骤1清洁在金属粉末的颗粒表面上具有银涂层的铜的银涂层金属粉末，该金属粉末是由铜和不可避免的杂质组成的铜粉末或由铜，镍组成的铜合金粉末含有至少一种选自氨，胺基化合物和氰化物的络合化合物的溶液，锌和不可避免的杂质，以及清洗步骤2，该清洗步骤用以下步骤清洗在清洗步骤1中清洗的镀银金属粉末：含有还原剂的溶液。

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