CN103173748A - 一种化学镀锡溶液 - Google Patents

一种化学镀锡溶液 Download PDF

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Publication number
CN103173748A
CN103173748A CN 201110438179 CN201110438179A CN103173748A CN 103173748 A CN103173748 A CN 103173748A CN 201110438179 CN201110438179 CN 201110438179 CN 201110438179 A CN201110438179 A CN 201110438179A CN 103173748 A CN103173748 A CN 103173748A
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China
Prior art keywords
plating solution
tin plating
chemical tin
thiocarbamide
catechol
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Pending
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CN 201110438179
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English (en)
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李振萍
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Individual
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Individual
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Priority to CN 201110438179 priority Critical patent/CN103173748A/zh
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Abstract

本发明公开了一种化学镀锡溶液，也就是其配方为，甲磺酸亚锡5～20g/L；烷基磺酸50～250g/L；硫脲50～250g/L；聚乙氧基胺0.1～20g/L；儿茶酚0.1～5g/L；甲烷磺酸盐100～300g/L；烯丙基苯甲醛0.5～3g/L，余量蒸馏水。本发明配方合理，镀层厚度用X射线测量可达2.0μm，无晶须生长具有良好的可焊性，适合小型电子元器件与电路板焊接，镀液中不含有害物质铅，废液处理较容易对环境污染小。

Description

一种化学镀锡溶液
技术领域
本发明属于金属表面镀锡技术领域，具体涉及一种化学镀锡溶液。
背景技术
金属件镀锡后具有耐腐蚀、焊接性能好，表面光亮，广泛用于电子元器件与电路板的连接，镀锡有浸锡、电镀和化学镀几种，电子元器件对镀层要求较高普遍采用化学镀锡，但镀层薄影响焊接性能和耐腐性，而且目前的镀锡溶液催化活性低，稳定性差。
发明内容
本发明的目的在于提供一种配方合理，所生产的产品可焊性好镀层厚，镀液稳定性好的化学镀锡溶液。
本发明的技术解决方案是：
一种化学镀锡溶液，其特征是：也就是其配方为，甲磺酸亚锡5～20g/L；烷基磺酸50～250g/L；硫脲50～250g/L；聚乙氧基胺0.1～20g/L；儿茶酚0.1～5g/L；甲烷磺酸盐100～300g/L；烯丙基苯甲醛0.5～3g/L，余量蒸馏水。
本发明配方合理，镀层厚度用X射线测量可达2.0μm，无晶须生长具有良好的可焊性，适合小型电子元器件与电路板焊接，镀液中不含有害物质铅，废液处理较容易对环境污染小。
具体实施方式：
实施例1
一种化学镀锡溶液，也就是其配方为，甲磺酸亚锡10g/L；烷基磺酸150g/L；硫脲100g/L；聚乙氧基胺5g/L；儿茶酚2g/L；甲烷磺酸盐100g/L；烯丙基苯甲醛1g/L，与余量蒸馏水充分搅拌混合即成。

Claims (1)

1.一种化学镀锡溶液，其特征是：也就是其配方为，甲磺酸亚锡5～20g/L；烷基磺酸50～250g/L；硫脲50～250g/L；聚乙氧基胺0.1～20g/L；儿茶酚0.1～5g/L；甲烷磺酸盐100～300g/L；烯丙基苯甲醛0.5～3g/L，余量蒸馏水。
CN 201110438179 2011-12-23 2011-12-23 一种化学镀锡溶液 Pending CN103173748A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110438179 CN103173748A (zh) 2011-12-23 2011-12-23 一种化学镀锡溶液

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110438179 CN103173748A (zh) 2011-12-23 2011-12-23 一种化学镀锡溶液

Publications (1)

Publication Number Publication Date
CN103173748A true CN103173748A (zh) 2013-06-26

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CN 201110438179 Pending CN103173748A (zh) 2011-12-23 2011-12-23 一种化学镀锡溶液

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CN (1) CN103173748A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111926314A (zh) * 2020-08-17 2020-11-13 广州三孚新材料科技股份有限公司 一种晶硅异质结太阳能电池用化学镀锡工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111926314A (zh) * 2020-08-17 2020-11-13 广州三孚新材料科技股份有限公司 一种晶硅异质结太阳能电池用化学镀锡工艺
CN111926314B (zh) * 2020-08-17 2021-10-26 广州三孚新材料科技股份有限公司 一种晶硅异质结太阳能电池用化学镀锡工艺

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Application publication date: 20130626