LTCC 보호층 형성에 따른 박막 전극패턴에 관한 연구
(주)코리아스칼라
- 최초 등록일
- 2016.04.02
- 최종 저작일
- 2009.07
- 7페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국재료학회
ㆍ수록지정보 : 한국재료학회지 / 19권 / 7호
ㆍ저자명 : 김용석, 유원희, 장병규, 박정환, 유제광, 오용수
영어 초록
Metal thin film patterns on a LTCC substrate, which was connected through inner via and metal paste for electrical signals, were formed by a screen printing process that used electric paste, such as silver and copper, in a conventional method. This method brought about many problems, such as non uniform thickness in printing, large line spaces, and non-clearance. As a result of these problems, it was very difficult to perform fine and high resolution for high frequency signals. In this study, the electric signal patterns were formed with the sputtered metal thin films (Ti, Cu) on an LTCC substrate that was coated with protective oxide layers, such as TiO2 and SiO2. These electric signal patterns' morphology, surface bonding strength, and effect on electro plating were also investigated. After putting a sold ball on the sputtered metal thin films, their adhesion strength on the LTCC substrate was also evaluated. The protective oxide layers were found to play important roles in creating a strong design for electric components and integrating circuit modules in high frequency ranges.
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