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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Guo, B.N. Variam, N. Jeong, U. Mehta, S. Posselt, M. Lebedev, A. |
| Copyright Year | 2002 |
| Abstract | As device geometries scale, there is an increasing trend for high energy CMOS well implants to migrate to small incidence angles (near zero degree), and therefore avoid the well spacing limitations caused by shadowing and encroachments of the ion beam by the photoresist mask. However, this transition results in the replacement of traditional de-channeling profiles by channeled dopant profiles. From a device engineering perspective, accurate models of channeled profiles are becoming more important. The degree of channeling is dependent on the acceptance angle, incident angle, dopant species, energy, dose and extent of damage induced in the crystal. This paper discusses both experimental and simulation results that shed light on the contribution of these factors. In addition, the control requirements on ion implantation parameters from a channeling perspective are also discussed. |
| Sponsorship | IEEE Circuits & Syst. Soc |
| Starting Page | 131 |
| Ending Page | 134 |
| File Size | 564858 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780371550 |
| DOI | 10.1109/IIT.2002.1257956 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-09-22 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Implants Semiconductor process modeling Semiconductor device modeling Shadow mapping Ion beams Resists Computational modeling Crystallization Energy loss Geometry |
| Content Type | Text |
| Resource Type | Article |
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