KR970065777A - 전기접점용 주석-납 합금도금 제조방법 - Google Patents

전기접점용 주석-납 합금도금 제조방법 Download PDF

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Publication number
KR970065777A
KR970065777A KR1019960005792A KR19960005792A KR970065777A KR 970065777 A KR970065777 A KR 970065777A KR 1019960005792 A KR1019960005792 A KR 1019960005792A KR 19960005792 A KR19960005792 A KR 19960005792A KR 970065777 A KR970065777 A KR 970065777A
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KR
South Korea
Prior art keywords
tin
alloy plating
lead
manufacturing
electrical contacts
Prior art date
Application number
KR1019960005792A
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English (en)
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KR100223320B1 (ko
Inventor
김창하
김근영
Original Assignee
이준
한국전기통신공사
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 이준, 한국전기통신공사 filed Critical 이준
Priority to KR1019960005792A priority Critical patent/KR100223320B1/ko
Publication of KR970065777A publication Critical patent/KR970065777A/ko
Application granted granted Critical
Publication of KR100223320B1 publication Critical patent/KR100223320B1/ko

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Classifications

    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

본 발명은 전자 및 통신장비에 내장되어 있는 콘넥터의 접속성능을 향상시키기 위해 사용되는 전기접점용 주석-납 합금도금의 제조방법에 관한 것으로, 먼저 동판위 니켈을 도금하고나서 붕불화주석, 붕불화납, 유리붕불산을 함유한 도금욕에 펩톤, 젤라틴, 베타-나프톨, 하이드로퀴논을 첨가하고, 1.5-2.5A/d㎡의 전류밀도를 가하면서 5-10중량%의 납을 함유한 합금도금층을 제조하는 방법에 관한 것이다.

Description

전기접점용 주석-납 합금도금 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. a) 동판위에 니켈을 도금하는 단계, b) 40-70g/l의 붕불화주석, 3-18g/l의 붕불화납, 300-400g/l의 유리붕불산 및 25g/l의 유리붕산을 함유하는 도금욕에서, a) 단계를 거친 동판위에 직류전기를 가하는 단계로 이루어짐을 특징으로 하여 5-10중량%의 납을 함유하는 전기접점용 주석-납 합금도금의 제조 방법.
  2. 제1항에 있어서, b) 단계의 도금욕에 추가로 펩톤 4-5g/l, 젤라틴 2g/l, 베타-나프톨 1g/l, 하이드로퀴논 1g/l을 함유함을 특징으로 하는 방법.
  3. 제1항 또는 제2항에 있어서, 음극 전류밀도가 1.5 내지 2.5A/d㎡임을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960005792A 1996-03-06 1996-03-06 전기접점용 주석-납 합금도금 제조방법 KR100223320B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960005792A KR100223320B1 (ko) 1996-03-06 1996-03-06 전기접점용 주석-납 합금도금 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960005792A KR100223320B1 (ko) 1996-03-06 1996-03-06 전기접점용 주석-납 합금도금 제조방법

Publications (2)

Publication Number Publication Date
KR970065777A true KR970065777A (ko) 1997-10-13
KR100223320B1 KR100223320B1 (ko) 1999-10-15

Family

ID=19452478

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960005792A KR100223320B1 (ko) 1996-03-06 1996-03-06 전기접점용 주석-납 합금도금 제조방법

Country Status (1)

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KR (1) KR100223320B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100312593B1 (ko) * 1999-11-11 2001-11-05 조충환 이극식 납축전지용 경량 기판의 제조방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101595248B (zh) 2006-12-29 2011-04-27 日进素材产业株式会社 Sn-B电镀液以及使用该电镀液的电镀方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100312593B1 (ko) * 1999-11-11 2001-11-05 조충환 이극식 납축전지용 경량 기판의 제조방법

Also Published As

Publication number Publication date
KR100223320B1 (ko) 1999-10-15

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