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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Siew, G. Soh, S. Tong Yan Tee Haoyang Chen In Soo Kang Jong Heon Kim |
| Copyright Year | 2011 |
| Description | Author affiliation: R&D Team, Nepes Pte Ltd, 12, Ang Mo Kio Street 65, Singapore 569060 (Siew, G.; Soh, S.; Tong Yan Tee; Haoyang Chen; In Soo Kang; Jong Heon Kim) |
| Abstract | This work focuses on the development of Integrated Passive Devices (IPD) from electrical design, modeling and simulation till final fabrication and device technology qualification stage. Passivation layer of Polyimide (PI) type was used as inter-metal dielectric materials together with semi-additive copper plated redistribution layer (RDL) as conductive material that carries signal traces through the devices. It also applies multilayer thin film technology used in Wafer-level Packaging (WLP) processes. The thin film setup was designed at 6-layers, which comprises three Polyimide layers and three RDL. Passive devices are designed for Radio Frequency Integrated Circuit (RFIC) applications that work mainly at frequencies of 2.4GHz and 5GHz. For IPD, inductors cover the range of InH and 23nH, and capacitors are within range of 0.03pF to 2.5pF. Several coplanar waveguide (CPW) transmission line structures were also included in the test vehicle prototype to characterize the copper RDL quality in transmitting high-frequency signals at Gigahertz range. Substrate material of low resistivity silicon wafers at 25 Ohm.cm was used for these structures which influences the quality factor of coils and capacitors. Integrated inductors and capacitors structures with stack-up of passivation and copper RDL were designed at realistic Wafer-level thin film thickness, which allows robust integration into WLP platform. Structures correlation of high-frequency measurements and simulation showed maximum of 5% deviation at high-frequency bandwidth. Fabricated structures perform well in time-zero failure analysis and reliability test of High Temperature Storage (HTS 500hr). |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 4708095 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781457717703 |
| e-ISBN | 9781457717697 |
| e-ISBN | 9781457717680 |
| DOI | 10.1109/ICEPT.2011.6066918 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-08-08 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Coils Integrated circuit modeling Inductors Transmission line measurements Temperature measurement Coplanar waveguides Q factor |
| Content Type | Text |
| Resource Type | Article |
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