CN103160871A - 一种电子元件镀锡溶液 - Google Patents

一种电子元件镀锡溶液 Download PDF

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Publication number
CN103160871A
CN103160871A CN 201110423944 CN201110423944A CN103160871A CN 103160871 A CN103160871 A CN 103160871A CN 201110423944 CN201110423944 CN 201110423944 CN 201110423944 A CN201110423944 A CN 201110423944A CN 103160871 A CN103160871 A CN 103160871A
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CN
China
Prior art keywords
electronic element
tinning solution
tinning
solution
plating solution
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Pending
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CN 201110423944
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English (en)
Inventor
李平
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Individual
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Individual
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Priority to CN 201110423944 priority Critical patent/CN103160871A/zh
Publication of CN103160871A publication Critical patent/CN103160871A/zh
Pending legal-status Critical Current

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Abstract

本发明公开了一种电子元件镀锡溶液，由下述成分按质量配比，硫酸亚锡30-50g/L,硫酸150-200g/L，硫酸铋0.5-4g/L，甲醛2-10g/L，稳定剂10-15g/L，余量蒸馏水。本发明配方合理，镀液稳定性好，镀层为锡铋合金不易生长晶须，所生产的产品质量稳定。

Description

一种电子元件镀锡溶液
技术领域
本发明属电镀化学技术领域，具体涉及一种电子元件镀锡溶液。
背景技术
电子元件为了提高与电路板的焊接性能，在电子元件表面镀锡，目前的镀锡溶液存在稳定性差，镀液使用时间短需要频繁更换造成浪费，产品的镀层容易发黑和生长晶须影响产品质量。
发明内容
本发明的目的在于提供一种配方合理，镀液稳定性好，所生产的产品质量好，不易生长晶须的电子元件镀锡溶液。
本发明的技术解决方案是：
一种电子元件镀锡溶液，由下述成分按质量配比，硫酸亚锡30-50g/L,硫酸150-200g/L，硫酸铋0.5-4g/L，甲醛2-10g/L，稳定剂10-15g/L，余量蒸馏水。
本发明配方合理，镀液稳定性好，镀层为锡铋合金不易生长晶须，所生产的产品质量稳定。
 具体实施方式:
实施例1
一种电子元件镀锡溶液，由下述成分按质量配比，硫酸亚锡40g/L,硫酸180 g/L，硫酸铋3 g/L，甲醛5g/L，稳定剂10 g/L，余量蒸馏水，温度30°C，电流密度2A/dm2。

Claims (1)

1.一种电子元件镀锡溶液，由下述成分按质量配比，硫酸亚锡30-50g/L,硫酸150-200g/L，硫酸铋0.5-4g/L，甲醛2-10g/L，稳定剂10-15 g/L，余量蒸馏水。
CN 201110423944 2011-12-18 2011-12-18 一种电子元件镀锡溶液 Pending CN103160871A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110423944 CN103160871A (zh) 2011-12-18 2011-12-18 一种电子元件镀锡溶液

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110423944 CN103160871A (zh) 2011-12-18 2011-12-18 一种电子元件镀锡溶液

Publications (1)

Publication Number Publication Date
CN103160871A true CN103160871A (zh) 2013-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110423944 Pending CN103160871A (zh) 2011-12-18 2011-12-18 一种电子元件镀锡溶液

Country Status (1)

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CN (1) CN103160871A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188069A (zh) * 2019-12-31 2020-05-22 大连长丰实业总公司 一种镀锡铋合金溶液及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188069A (zh) * 2019-12-31 2020-05-22 大连长丰实业总公司 一种镀锡铋合金溶液及其制备方法

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Application publication date: 20130619