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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhang Yanlie Shi Xunqing Zhou, W. |
| Copyright Year | 2004 |
| Description | Author affiliation: Sch. of MPE, Nanyang Technol. Univ., Singapore, Singapore (Zhang Yanlie) |
| Abstract | Layered packages are prone to multi-mode damage and failure when they are subjected to complicated and coupled environmental loading. As a result, fracture toughness is usually used as a fracture criterion to evaluate the reliability of the polymer/inorganic interface. In this study, an in-situ/real-time micro-digital image speckle correlation (/spl mu/-DiSC) system was established and employed to determine the fracture toughness of the underfill/chip interface involved in flip chip assembly. The tests were carried out over a wide range of temperatures and at various loading angles. In order to verify the findings of the /spl mu/-DiSC technique, an interface fracture mechanics based FEM is implemented into ANSYS to calculate the values of CTOD of the underfill/chip joint under different loading configurations. The results obtained from the simulation are found to be in good agreement with those measured by the /spl mu/-DiSC system, indicating that the system can be used as an accurate and effective experimental tool for electronic packages. The fractographs with respect to different temperatures and loading angles are further discussed. |
| Starting Page | 140 |
| Ending Page | 147 |
| File Size | 947857 |
| Page Count | 8 |
| File Format | |
| ISBN | 0780383656 |
| DOI | 10.1109/ECTC.2004.1319327 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-06-04 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Digital images Speckle Packaging Polymers Real time systems Flip chip Assembly systems Testing Temperature distribution Semiconductor device measurement |
| Content Type | Text |
| Resource Type | Article |
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