Cu 필라 솔더 범프의 리플로우 전후 형상변화 및 모델링

A Cu pillar bump was fabricated by consecutive plating of Cu and Sn. Here, we investigated the change in shape of Sn, and the formation of intermetallic compound during the reflow process. At first, we made a cylindrical shape of Sn in various thickness and then, the Sn was changed into a truncated...

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Published in대한금속·재료학회지, 53(7) Vol. 53; no. 7; pp. 495 - 499
Main Authors 김상혁, Sang Hyuk Kim, 신한균, Han Kyun Shin, 박채민, Chae Min Park, 김동욱, Dong Uk Kim, 차필령, Pil Ryung Cha, 이의형, Ui Hyoung Lee, 이효종, Hyo Jong Lee
Format Journal Article
LanguageKorean
Published 대한금속재료학회 31.07.2015
대한금속·재료학회
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Online AccessGet full text
ISSN1738-8228
2288-8241
DOI10.3365/KJMM.2015.53.7.495

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Abstract A Cu pillar bump was fabricated by consecutive plating of Cu and Sn. Here, we investigated the change in shape of Sn, and the formation of intermetallic compound during the reflow process. At first, we made a cylindrical shape of Sn in various thickness and then, the Sn was changed into a truncated sphere (Sn bump) on a Cu pillar through the reflow process. When the Sn thickness was a third of the Cu pillar diameter, the reflowed bump radius had a minimum value and the bump-height change at that time had a maximum value. Such results were well understood based on the truncated sphere model.
AbstractList A Cu pillar bump was fabricated by consecutive plating of Cu and Sn. Here, we investigated the change in shape of Sn, and the formation of intermetallic compound during the reflow process. At first, we made a cylindrical shape of Sn in various thickness and then, the Sn was changed into a truncated sphere (Sn bump) on a Cu pillar through the reflow process. When the Sn thickness was a third of the Cu pillar diameter, the reflowed bump radius had a minimum value and the bump-height change at that time had a maximum value. Such results were well understood based on the truncated sphere model.
A Cu pillar bump was fabricated by consecutive plating of Cu and Sn. Here, we investigated the change in shape of Sn, and the formation of intermetallic compound during the reflow process. At first, we made a cylindrical shape of Sn in various thickness and then, the Sn was changed into a truncated sphere (Sn bump) on a Cu pillar through the reflow process. When the Sn thickness was a third of the Cu pillar diameter, the reflowed bump radius had a minimum value and the bump-height change at that time had a maximum value. Such results were well understood based on the truncated sphere model. KCI Citation Count: 12
Author Hyo Jong Lee
Sang Hyuk Kim
Chae Min Park
차필령
김상혁
Han Kyun Shin
Ui Hyoung Lee
Pil Ryung Cha
신한균
이의형
박채민
이효종
김동욱
Dong Uk Kim
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Shape Change of Cu Pillar Solder Bump During Reflow Process and Its Modeling
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Snippet A Cu pillar bump was fabricated by consecutive plating of Cu and Sn. Here, we investigated the change in shape of Sn, and the formation of intermetallic...
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SubjectTerms EBSD
electron backscattering diffraction
electroplating
soldering
wetting
재료공학
Title Cu 필라 솔더 범프의 리플로우 전후 형상변화 및 모델링
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