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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gengxin Tian Jun Li Yi He Zhihua Li Liqiang Cao Dongkai Shangguan Lixi Wan |
| Copyright Year | 2015 |
| Description | Author affiliation: Microsyst. Packaging Res. Center, Inst. of Microelectron., Beijing, China (Gengxin Tian; Jun Li; Yi He; Zhihua Li; Liqiang Cao; Dongkai Shangguan; Lixi Wan) |
| Abstract | Electromagnetic interference (EMI) has become a remarkable and negligible problem in SiP module. As package tend to higher density and smaller size, the electromagnetic environment become complex and severe. The shortening distance between different devices in SiP enhances the EMI between different devices. Shielding methods in SiP, especially in 3D package, are worth researching. In this paper, a conformal shielding structure with conductive adhesive is researched. The conductive adhesive is coated on the flip-chip dies and connected to ground plane on the top of the substrate. In order to research the shielding effectiveness of this shielding structure, we construct two models in the 3D full wave electromagnetic simulator HFSS, one with shielding structure, and the other without shielding structure. After simulation, we obtain the distribution and the value of the radiation field at 1mm above the flip-chip die. After analysis and calculation, we get the shielding effectiveness of 16-36dB at 1GHz and 20-48dB at 3GHz. |
| Starting Page | 802 |
| Ending Page | 805 |
| File Size | 1237241 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781467379991 |
| DOI | 10.1109/ICEPT.2015.7236703 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-08-11 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Three-dimensional displays Solid modeling Electromagnetics Conductive adhesives Packaging conformal shielding structure 3D package EMI shielding effectiveness HFSS |
| Content Type | Text |
| Resource Type | Article |
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