JP2006283184A - 電気錫メッキ方法 - Google Patents
電気錫メッキ方法 Download PDFInfo
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- JP2006283184A JP2006283184A JP2005108818A JP2005108818A JP2006283184A JP 2006283184 A JP2006283184 A JP 2006283184A JP 2005108818 A JP2005108818 A JP 2005108818A JP 2005108818 A JP2005108818 A JP 2005108818A JP 2006283184 A JP2006283184 A JP 2006283184A
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Abstract
【解決手段】金属錫溶解槽とメッキ液循環槽との間のメッキ液循環ラインにおいて、メッキ液循環槽へ供給するメッキ液流量Faを制御する際に、メッキ液循環槽から金属錫溶解槽への流量Fbと金属錫溶解槽内流量Fcと金属錫溶解槽の自己循環流量Fdとを、Fb=Fa、Fc=Fa+Fdとなるようにする。
【選択図】図1
Description
Sn+1/2O2→SnO
これにメッキ液中のH+ が反応し、錫イオンSn2+が生成する。
SnO+2H+ →Sn2++H2O
SnO+1/2O2→SnO2
(錫スラッジ生成速度)∝(酸素吹込み量)2
(錫イオン生成速度) ∝(酸素吹込み量)
故に、(錫スラッジ生成速度)∝(錫イオン生成速度)2 となる。
Fb=Fa、
Fc=Fa+Fd
となるようにメッキ液循環槽4から金属錫溶解槽1への流量Fbおよび金属錫溶解槽1の自己循環流量Fdを制御する。ここで、金属錫溶解槽1内流量Fcは、金属錫溶解槽1に固有の錫溶解に最適な流量である。さらに詳しく説明する。
2 金属錫供給装置
3 金属錫粒子
4 メッキ液循環槽
5 電解メッキ槽
6 ポンプ
7 開閉弁(常時は閉)
8 第1の循環ライン
9 不溶性電極
10 ストリップ
11 酸素吹込みパイプ
12 金属錫溶解槽1の自己循環ライン
13 レベル計
14 沈殿槽
15 制御器
16 流量計
17 流量調整弁
18 錫イオン濃度計
19 第2の循環ライン
Claims (1)
- 金属錫溶解槽とメッキ液循環槽との間の第1のメッキ液循環ラインで酸素を溶存させたメッキ液にて金属錫を溶解し、メッキ液循環槽と電解メッキ槽との間の第2のメッキ液循環ラインで不溶性電極を用いて電気錫メッキする電気錫メッキ方法であって、
金属錫溶解槽とメッキ液循環槽との間のメッキ液循環ラインのメッキ液循環槽へ供給するメッキ液流量Faを制御する際に、
メッキ液循環槽から金属錫溶解槽への流量Fbと金属錫溶解槽内流量Fcと金属錫溶解槽の自己循環流量Fdとの関係が、
Fb=Fa
Fc=Fa+Fd
となるようにメッキ液循環槽から金属錫溶解槽への流量Fbおよび金属錫溶解槽の自己循環流量Fdを制御することを特徴とする電気錫メッキ方法。
Priority Applications (1)
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JP2005108818A JP4718879B2 (ja) | 2005-04-05 | 2005-04-05 | 電気錫メッキ方法 |
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JP2005108818A JP4718879B2 (ja) | 2005-04-05 | 2005-04-05 | 電気錫メッキ方法 |
Publications (2)
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JP2006283184A true JP2006283184A (ja) | 2006-10-19 |
JP4718879B2 JP4718879B2 (ja) | 2011-07-06 |
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JP2005108818A Active JP4718879B2 (ja) | 2005-04-05 | 2005-04-05 | 電気錫メッキ方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008266761A (ja) * | 2007-04-25 | 2008-11-06 | Nippon Steel Corp | めっき液供給設備 |
JP2010202941A (ja) * | 2009-03-04 | 2010-09-16 | Mitsubishi Materials Corp | Sn合金めっき装置及びそのSn成分補給方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006089774A (ja) * | 2004-09-21 | 2006-04-06 | Nippon Steel Corp | 電気錫メッキ方法 |
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2005
- 2005-04-05 JP JP2005108818A patent/JP4718879B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006089774A (ja) * | 2004-09-21 | 2006-04-06 | Nippon Steel Corp | 電気錫メッキ方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008266761A (ja) * | 2007-04-25 | 2008-11-06 | Nippon Steel Corp | めっき液供給設備 |
JP2010202941A (ja) * | 2009-03-04 | 2010-09-16 | Mitsubishi Materials Corp | Sn合金めっき装置及びそのSn成分補給方法 |
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JP4718879B2 (ja) | 2011-07-06 |
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