Stability of channels at a scalloplike Cu6Sn5 layer in solder interconnections
- Authors
- Lee, JH; Park, JH; Lee, YH; Kim, YS; Shin, DH
- Issue Date
- May-2001
- Publisher
- CAMBRIDGE UNIV PRESS
- Citation
- JOURNAL OF MATERIALS RESEARCH, v.16, no.5, pp.1227 - 1230
- Journal Title
- JOURNAL OF MATERIALS RESEARCH
- Volume
- 16
- Number
- 5
- Start Page
- 1227
- End Page
- 1230
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/27216
- DOI
- 10.1557/JMR.2001.0169
- ISSN
- 0884-2914
- Abstract
- The thermodynamic stability of the solder channels at a scalloplike Cu6Sn5 layer formed between Sn-containing solders and Cu substrate was evaluated by studying the penetration behavior of the liquid solders into the grain boundaries of a Cu6Sn5 substrate. The orientational relationship between the grains of the Cu6Sn5 layer formed during reflow soldering was also analyzed using the electron backscattered diffraction technique. The results showed that liquid solders penetrate into the grain boundaries at an order of faster speed than the growth rate of the layer, which provided a direct evidence of thermodynamic stability of the channel.
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Collections - College of Engineering > Materials Science and Engineering Major > 1. Journal Articles
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