한국재료학회지 (Korean Journal of Materials Research)

  • 제27권8호
  • /
  • Pages.397-402
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  • 2017
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  • 1225-0562(pISSN)
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  • 2287-7258(eISSN)
한국재료학회 (Materials Research Society of Korea)
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무전해 Ni 도금을 위한 양극 산화막위에 스크린 인쇄된 Ag 페이스트 패턴의 정밀도 개선

Accuracy Improvement of Screen Printed Ag Paste Patterns on Anodized Al for Electroless Ni Plating

  • 이연승 (한밭대학교 정보통신공학과) ;
  • 나사균 (한밭대학교 신소재공학과)
  • Lee, Youn-Seoung (Department of Information and Communication Engineering, Hanbat National University) ;
  • Rha, Sa-Kyun (Department of Advanced Materials Engineering, Hanbat National University)
  • 투고 : 2017.04.19
  • 심사 : 2017.06.19
  • 발행 : 2017.08.27
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초록

We used an etching process to control the line-width of screen printed Ag paste patterns. Ag paste was printed on anodized Al substrate to produce a high power LED. In general, Ag paste spreads or diffuses on anodized Al substrate in the process of screen printing; therefore, the line-width of the printed Ag paste pattern increases in contrast with the ideal line-width of the pattern. Smudges of Ag paste on anodized Al substrate were removed by neutral etching process without surface damage of the anodized Al substrate. Accordingly, the line-width of the printed Ag paste pattern was controlled as close as possible to the ideal line-width. When the etched Ag paste pattern was used as a seed layer for electroless Ni plating, the line width of the plated Ni film was similar to the line-width of the etched Ag paste pattern. Finally, in pattern formation by Ag paste screen printing, we found that the accuracy of the line-width of the pattern can be effectively improved by using an etching process before electroless Ni plating.

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참고문헌

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