Induction type nanometer diaphragm

Abstract

The invention discloses an induction type nanometer diaphragm. The induction type nanometer diaphragm at least comprises a metal net, a nanometer net and a conducting rod, one end of the conducting rod is connected with the metal net, the other end of the conducting rod is close to an electroplating cathode, the metal net is arranged close to the anode to form an induction cathode, and negative ions of a gloss agent are prevented from passing through the principle that like poles repel each other. The conducting rod extends out of the metal net to be close to the electroplating cathode so as to form an induction anode, meanwhile, the nanometer net at least covers the metal net from one side face, and the nanometer net has the effect of isolating gas, especially decomposed oxygen ions, so that it is difficult for the oxygen ions to penetrate through, the physical isolation effect is achieved, and the loss of brighteners is reduced.

Description

technical field [0001] The invention belongs to the technical field of electroplating, and in particular relates to an inductive nano-diaphragm used in an electroplating tank, which can effectively reduce the loss of brightener in the electroplating process. Background technique [0002] During the electroplating process, a brightener needs to be added to the electroplating solution. The brightener forms an almost complete adsorption monolayer on the surface of the plated part. Micropores that form and disappear continuously appear on the adsorption surface, and metal will form deposits in these micropores. Since the micropores are distributed randomly, the metal deposition is evenly distributed, resulting in a bright coating. At the same time, the geometric flattening effect can be used to continuously eliminate the existing small crystal faces to achieve the purpose of brightness. [0003] Theoretically speaking, the brightener is just an auxiliary reagent, which can be c...

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Problems solved by technology

[0003] Theoretically speaking, the brightener is just an auxiliary reagent, which can be consumed synchronously according to the designed ratio in actual production

However, in the actual electroplating process, especially when an insoluble anode is used for electroplating, water molecules will be electrolyzed near the anode to form oxygen ions, which will oxidize the brightener, resulting in additional loss of the brightener. This requires frequent replacement of the electroplating solution and other preparations, which affects the quality of electroplating, increases the cost of electroplating, and affects the efficiency of electroplating

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