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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wen Huang Xin Yu Comberiate, T. Cheng-Wei Qiu Schutt-Aine, J.E. Xiuling Li |
| Copyright Year | 2013 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of Illinois, Urbana, IL, USA (Wen Huang; Xin Yu; Comberiate, T.; Schutt-Aine, J.E.; Xiuling Li) || Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore (Cheng-Wei Qiu) |
| Abstract | On-chip lumped passive devices are very important radio frequency integrated circuits (RFICs) components that are used to guide and manipulate signal generated by active devices. Current on-chip lumped passive devices are designed based on standard two-dimensional (2D) planar fabrication process, which limits the design of lumped passive devices in a 2D plane. This limitation makes lumped passive devices huge compared to the active devices and occupy most of the chip area and fabrication cost. In addition, 2D structures usually have large overlap area with the substrate, which inevitably introduces serious substrate parasitic effect that significantly increases energy loss and limit applicable maximum frequency. Recently, we have proposed a novel on chip platform for lumped passive devices based on self-rolled-up $SiN_{x}$ nanomembrane tubes, aiming to solve the problems addressed $above.^{2}$ Compared to traditional methods that use planar semiconductor substrates as mechanical support for RFICs, multiple-turn $SiN_{x}$ tube provides a three-dimensional (3D) mechanical support with super small on-chip footprint. This 3D structure provides better confinement of the electromagnetic (EM) field. With pre-patterned and rolled-up conductive layers inside the tube, the electrical performance of one tube cell is calculated to be strongly inductive rather than capacitive. As shown in Figure 1, by adjusting the distance between adjacent cells, serially connected cells can be an inductor or a transformer. To be an inductor, adjacent cells need to be separated from each other far enough to eliminate the cancelling mutual inductance. To be a transformer, adjacent cells need to be close to each other to exploit the EM coupling between each other. |
| Starting Page | 227 |
| Ending Page | 228 |
| File Size | 2202969 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781479908110 |
| ISSN | 15483770 |
| e-ISBN | 9781479908141 |
| DOI | 10.1109/DRC.2013.6633876 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-06-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electron tubes Inductors System-on-chip Couplings Gold Substrates Inductance |
| Content Type | Text |
| Resource Type | Article |
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