JPS57101689A - Electroplating method - Google Patents
Electroplating methodInfo
- Publication number
- JPS57101689A JPS57101689A JP17843180A JP17843180A JPS57101689A JP S57101689 A JPS57101689 A JP S57101689A JP 17843180 A JP17843180 A JP 17843180A JP 17843180 A JP17843180 A JP 17843180A JP S57101689 A JPS57101689 A JP S57101689A
- Authority
- JP
- Japan
- Prior art keywords
- anode
- electrode plate
- soluble
- adjusted
- area ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electroplating Methods And Accessories (AREA)
Abstract
PURPOSE: To obtain good plating by a method wherein, in strong acidic plating bath, a soluble and an insoluble electrode plates are simultaneously used as an anode while an area ratio therebetween is adjusted to keep a pH during electrolysis constant.
CONSTITUTION: When a soluble electrode plate is used as an anode in a strong acidic plating bath, pH is raised and, reversely, when an insoluble electrode plate is used as the anode, the pH is lowered rapidly. Then, both electrodes are used together as well as, in due consideration of anode current efficiency of the soluble electrode plate, an area ratio of both electrode plates is adjusted. For example, in a plating liquid comprising cobalt sulfate, ferrous sulfate, sodium boron fluoride, sodium saccharine, the area ratio of the soluble electrode plate (Co) and the insoluble electrode plate (C) in the anode is adjusted to about 1:1.2. Further, when electroplating is carried out under such a condition that a ratio of anode: cathode is about 1:1 and pH is about 2.0, pH is held at about 2.02 and is scarcely changed.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17843180A JPS57101689A (en) | 1980-12-17 | 1980-12-17 | Electroplating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17843180A JPS57101689A (en) | 1980-12-17 | 1980-12-17 | Electroplating method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57101689A true JPS57101689A (en) | 1982-06-24 |
Family
ID=16048384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17843180A Pending JPS57101689A (en) | 1980-12-17 | 1980-12-17 | Electroplating method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57101689A (en) |
-
1980
- 1980-12-17 JP JP17843180A patent/JPS57101689A/en active Pending
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