JP5048003B2 - スズめっき - Google Patents
スズめっき Download PDFInfo
- Publication number
- JP5048003B2 JP5048003B2 JP2009039323A JP2009039323A JP5048003B2 JP 5048003 B2 JP5048003 B2 JP 5048003B2 JP 2009039323 A JP2009039323 A JP 2009039323A JP 2009039323 A JP2009039323 A JP 2009039323A JP 5048003 B2 JP5048003 B2 JP 5048003B2
- Authority
- JP
- Japan
- Prior art keywords
- tin
- electroplating
- compounds
- substrate
- alloy
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
- C25D3/32—Electroplating: Baths therefor from solutions of tin characterised by the organic bath constituents used
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/60—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of tin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/934—Electrical process
- Y10S428/935—Electroplating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12715—Next to Group IB metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12722—Next to Group VIII metal-base component
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
- Lead Frames For Integrated Circuits (AREA)
Description
スズ‐銅合金めっき浴は、メタンスルホン酸スズ(II)としての50g/Lスズ;メタンスルホン酸銅(II)としての1g/L銅;160g/Lの遊離のメタンスルホン酸、27.4g/Lのエトキシル化ベータナフトール;7.4g/Lのエトキシル化ビスフェノールA、0.2g/Lの第一の光沢剤;0.7g/Lの第二の光沢剤、3.0g/Lのメタクリル酸;0.76g/Lのグレインリファイナー及び50,000ダルトンの分子量及び80%カルボキシメチル化度を有する、トリロンES93000の商品名で販売されるカルボキシメチル化ポリエチレンイミン5.0g/Lを配合することにより調製された。
純スズめっき浴は、メタンスルホン酸スズ(II)としての50g/Lスズ;160g/Lの遊離のメタンスルホン酸、27.4g/Lのエトキシル化ベータナフトール;7.4g/Lのエトキシル化ビスフェノールA、0.2g/Lの第一光沢剤;0.7g/Lの第二光沢剤、3.0g/Lのメタクリル酸;0.76g/Lのグレインリファイナー及び50,000ダルトンの分子量及び80%カルボキシメチル化度を有する、トリロンES93000の商品名で販売されるカルボキシメチル化ポリエチレンイミン5.0g/Lを配合することにより調製された。
カルボキシアルキル化ポリアルキレンイミンを使用せず、エトキシル化ベータナフトール及びエトキシル化ビスフェノールAの量をそれぞれ15.6g/L及び16.8g/Lに変更した点を除き、実施例1のめっき浴が調製された。
カルボキシルアルキル化ポリアルキレンイミンを使用しなかった点を除き、実施例2のめっき浴が調製された。
ニッケルめっきされた真鍮のHull Cellパネルは、5アンペアのセル電流で実施例1〜3の浴中でめっきされた。パネルを横切る有効電流密度は、徐々に0.3未満から25ASDより大にまで変化するようにした。
銅主体の合金(オーリン194)から製造されたエッチングされたリードフレームの試料が、スズ又はスズ合金で電気めっきされた。スズ又はスズ合金析出物は3又は10μmいずれかの厚さであった。バリヤー層又はアンダーコートは使用されなかった。比較試料の3つの組は、エッチングされたリードフレーム上に艶消しスズ(比較例1)、96%スズ及び4%銅を有する艶消しスズ‐銅合金(比較例2)又は光沢スズ(比較例3)を析出させることにより調製された。比較試料を調製するために使用される電気めっき浴は、従来の酸性スズ又はスズ‐銅電気めっき浴であり、従来のめっき条件で行われた。一組の対照試料は、従来の酸性スズ‐鉛めっき浴を使用し、標準めっき条件を使用してエッチングされたリードフレーム上に90%スズ及び10%銅を有する艶消しスズ‐鉛合金層を析出させることにより調製された。一組の試料(試料1)は実施例1のめっき浴を使用して98%スズ及び2%銅を有する光沢スズ‐銅合金を析出させることにより調製され、一組の試料(試料2)は実施例2のめっき浴を使用して光沢スズ層を析出させることにより調製された。
Claims (10)
- 1以上のスズ化合物、1以上の酸性電解質及び1以上のカルボキシアルキル化ポリアルキレンイミン化合物を含み、該カルボキシアルキル化ポリアルキレンイミン化合物は、20%以上のカルボキシアルキル化、及び1000から200,000ダルトンの分子量を有する、スズ又はスズ合金を基体上に析出させるための電解質組成物。
- 該スズ化合物がスズハライド、硫酸スズ、アルカンスルホン酸スズ、アリールスルホン酸スズ又はアルカノールスルホン酸スズから選択される請求項1に記載の電解質組成物。
- 該酸性電解質がアルカンスルホン酸、アリールスルホン酸、硫酸、スルファミン酸、塩化水素酸,臭化水素酸及びフルオロホウ酸から選択される請求項1から2のいずれか一つに記載の電解質組成物。
- 該カルボキシアルキル化ポリアルキレンイミン化合物がカルボキシメチル化ポリエチレンイミンである請求項1から3のいずれか一つに記載の電解質組成物。
- 更に1以上の合金性金属を含む請求項1から4のいずれか一つに記載の電解質組成物。
- 基体を請求項1から5のいずれか一つに記載の電解質組成物と接触させ、電解質組成物に十分な電流密度を適用させて基体にスズ又はスズ合金を析出させる工程を含む基体にスズ又はスズ合金を析出させる方法。
- 請求項6の方法に従いその上にスズ又はスズ合金を析出させた基体。
- スズ又はスズ合金を析出させる前に、ニッケル又はニッケル合金の層を基体上に析出させる請求項6に記載の方法。
- 請求項6記載の方法により基体上に析出させたスズ又はスズ合金であって、52℃及び98%の相対湿度において4ヶ月の貯蔵の後、ウィスカーの無い光沢スズ又は光沢無鉛スズ合金。
- a)電気めっきセルを含む高速電気めっき装置;該セルに近接するオーバーフロー貯水槽;該貯水槽から該電気めっきセルに溶液を戻す手段;該セルの一端における入口点から該セルの第二端における出口へめっきされる基体を向かわせる手段を利用して;b)1以上のスズ化合物、1以上の酸性電解質及び1以上のカルボキシアルキル化ポリアルキレンイミン化合物(ここで、該カルボキシアルキル化ポリアルキレンイミン化合物は、20%以上のカルボキシアルキル化、及び1000から200,000ダルトンの分子量を有する)の基本溶液を含む電解質を導入して;及びc)該基体が該セル内の電気めっき溶液を通過するとき、高速電気めっき用に十分な電流密度(10から150ASDの電流密度)及び十分な温度においてスズ又はスズ合金で連続的に基体を電気めっきする工程を含む、スズ又はスズ合金の高速電気めっき方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0112599A GB0112599D0 (en) | 2001-05-24 | 2001-05-24 | Tin plating |
GB0112599.6 | 2001-05-24 | ||
GB0112769A GB0112769D0 (en) | 2001-05-25 | 2001-05-25 | Tin plating |
GB0112769.5 | 2001-05-25 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002147865A Division JP2003082493A (ja) | 2001-05-24 | 2002-05-22 | スズめっき |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009114548A JP2009114548A (ja) | 2009-05-28 |
JP5048003B2 true JP5048003B2 (ja) | 2012-10-17 |
Family
ID=26246112
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002147865A Pending JP2003082493A (ja) | 2001-05-24 | 2002-05-22 | スズめっき |
JP2009039323A Expired - Lifetime JP5048003B2 (ja) | 2001-05-24 | 2009-02-23 | スズめっき |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002147865A Pending JP2003082493A (ja) | 2001-05-24 | 2002-05-22 | スズめっき |
Country Status (7)
Country | Link |
---|---|
US (3) | US6797142B2 (ja) |
EP (1) | EP1260614B1 (ja) |
JP (2) | JP2003082493A (ja) |
KR (1) | KR100885648B1 (ja) |
CN (1) | CN1296521C (ja) |
DE (1) | DE60226196T2 (ja) |
TW (1) | TW593785B (ja) |
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-
2002
- 2002-02-04 EP EP02250859A patent/EP1260614B1/en not_active Expired - Lifetime
- 2002-02-04 DE DE60226196T patent/DE60226196T2/de not_active Expired - Lifetime
- 2002-05-06 US US10/139,562 patent/US6797142B2/en not_active Expired - Lifetime
- 2002-05-09 TW TW091109657A patent/TW593785B/zh not_active IP Right Cessation
- 2002-05-15 KR KR1020020026648A patent/KR100885648B1/ko active IP Right Grant
- 2002-05-22 JP JP2002147865A patent/JP2003082493A/ja active Pending
- 2002-05-23 CN CNB021203776A patent/CN1296521C/zh not_active Expired - Lifetime
-
2004
- 2004-06-21 US US10/872,799 patent/US20040232000A1/en not_active Abandoned
-
2005
- 2005-10-31 US US11/263,486 patent/US7160629B2/en not_active Expired - Lifetime
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2009
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Also Published As
Publication number | Publication date |
---|---|
JP2009114548A (ja) | 2009-05-28 |
EP1260614A1 (en) | 2002-11-27 |
JP2003082493A (ja) | 2003-03-19 |
DE60226196T2 (de) | 2009-05-14 |
US20040232000A1 (en) | 2004-11-25 |
CN1390985A (zh) | 2003-01-15 |
US20020187355A1 (en) | 2002-12-12 |
KR20020090128A (ko) | 2002-11-30 |
US20060051610A1 (en) | 2006-03-09 |
KR100885648B1 (ko) | 2009-02-25 |
TW593785B (en) | 2004-06-21 |
EP1260614B1 (en) | 2008-04-23 |
US6797142B2 (en) | 2004-09-28 |
DE60226196D1 (de) | 2008-06-05 |
CN1296521C (zh) | 2007-01-24 |
US7160629B2 (en) | 2007-01-09 |
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