Control method for deposited alloy composition of electrplating of gold tin base alloy
專利匯可以提供Control method for deposited alloy composition of electrplating of gold tin base alloy專利檢索，專利查詢，專利分析的服務(wù)。并且PURPOSE: To enable to control deposited alloy compositon, by using the potentiostat as electrolytic power source at the electroplating of gold.tin base alloy.
CONSTITUTION: Potentiostat used for a constant electric potential electrolytic apparatus, is constructed by the control part composed of the potential set up part 1 and the direct current amplifier 2 and the operation part composed of the electric power amplifier 3. Terminal drawn out from the above apparatus, is connected with the anode 4, cathode 5 of the plating liquid 6 and the reference electrode 9. Calomel electrode is used for the electrode 9 normally and the electrode 9 is dipped in the saturated potassium chloride solution 8. The reference electrode is connected with the liquid 6 by the ion transmission solid body 7. When the cathode potential is set up as Es at the potential set up part, each part of control and operation is acted so as to be the potential E between the cathode 5 and the electrode 9 kept at Es. Accordingly, the cathode 5 is kept at a constant potential for the electrode 9 and also, current density is kept constant because the potential and current density are corresponded to 1:1. Consequently, deposited alloy composition is controlled by previously examining the relation between the potential and deposited alloy composition and determining the set up potential.
COPYRIGHT: (C)1980,JPO&Japio，下面是Control method for deposited alloy composition of electrplating of gold tin base alloy專利的具體信息內(nèi)容。
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