Electrical and mechanical characterization of an anisotropic conductive adhesive with a low melting point solder
- Authors
- Eom, Yong-Sung; Jang, Keonsoo; Moon, Jong-Tae; Nam, Jae-Do; Kim, Jong-Min
- Issue Date
- Nov-2008
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Anisotropic conductive adhesive; Low melting point solder; High reliability; Electrical resistance
- Citation
- MICROELECTRONIC ENGINEERING, v.85, no.11, pp 2202 - 2206
- Pages
- 5
- Journal Title
- MICROELECTRONIC ENGINEERING
- Volume
- 85
- Number
- 11
- Start Page
- 2202
- End Page
- 2206
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/23569
- DOI
- 10.1016/j.mee.2008.05.038
- ISSN
- 0167-9317
- Abstract
- For the highly reliable interconnection in a micro-packaging technology requiring an excellent electrical and mechanical performance, the new anisotropic conductive adhesive (ACA) system with a low melting point solder was designed and characterized. An optimum flip-chip bonding cycle considering the chemo-rheological properties of a polymer matrix and solder was proposed. The bonding mechanism of the new ACA system was experimentally observed by the optical microscope. The electrical properties such as electrical resistance of about 5.6 m Omega and current density of 10.000 A/cm(2) were measured by the 4-point probe test. The measured shear strength was 304 MPa after bonding process. Electrical and mechanical performances were measured and Compared before and after a pressure cooker test (PCT). Ill Order to get a more stable ACA system during processing, the polymer matrix mixed with a reductant and a low melting point solder powder will be continuously developed in the near future. (C) 2008 Elsevier B.V. All rights reserved.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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