Tubular ceramic dielectric capacitor electrode manufacturing method based on chemical nickel plating and tin electroplating
An electroless nickel plating and capacitor electrode technology, applied in fixed capacitor electrodes, liquid electroless plating, fixed capacitor dielectrics, etc., can solve the problems of not long enough storage time, affecting electroplating tin, uneconomical, etc., to meet product shelf life and The requirements of other performance parameters, the effect of improving production efficiency and saving production costs
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[0033] Examples:
[0034] A method for manufacturing tubular ceramic capacitor electrodes based on electroless nickel plating and tin electroplating includes the following steps:
[0035] Step 1. Coarse the fired porcelain tube after extrusion or dry pressing. The specific method is: immerse the fired porcelain tube after extrusion or dry pressing into hydrofluoric acid with a concentration of (5-10)% In the medium, the soaking time is (10-15) min, stirring and dipping from time to time to make the inner and outer surfaces of the porcelain tube uniformly rough, then the porcelain tube is taken out and washed, and then dehydrated and dried with alcohol to complete the roughening.
[0036] Step 2. Perform high-temperature activation on the roughened porcelain tube. The specific method is: immerse the roughened porcelain tube in the palladium slurry, stir and dip (1~5) min, so that the inner and outer surfaces of the porcelain tube are evenly impregnated with palladium The slurry is th...
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