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착화제를 이용한 치환동 도금층의 밀착력 향상에 관한 연구
구석본(Seokbon Koo),전준미(Jumi Jeon),허진영(Jinyoung Hur),이홍기(Hongkee Lee) 한국표면공학회 2015 한국표면공학회지 Vol.48 No.1
Amino-carboxyl acid as a complexing agent in acid copper sulfate solution was utilized to improve the adhesion of immersion copper layer for steel wire. According to the tape test results, regardless of alloy composition of the wire, the adhesion of immersion copper layer was improved with the addition of aminocarboxyl acid. The incorporation of H and Fe in the plating layer was analyzed by TOF-SIMS. The H and Fe were detected at the entire coating layer without any addition of amino-carboxyl acid. However, with addition of amino-carboxyl acid, the H and Fe were scarcely detected at the coating layer.