1998 Publications

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  • First Proposal for MEMS-Based RF Channel-Selection [1998]
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  • First Mixer-Filter: Winner of the 1998 IEEE Int. Electron Devices Meeting Roger A. Haken Best Paper Award [1998]
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  • Geometric-Stress Compensation for Reduced Temperature Dependence of a Nickel Micromechanical Resonator [1998]
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The year 1998 set the stage for growth of the RF MEMS field over the next decades to come, yielding the first plenary presentation introducing this new field and producing the first publication outlining one of the major drivers for vibrating RF MEMS research: RF channel-selection and its potential to lower power consumption while raising robustness of communications. This year also marked one of the first attempts to suppress micromechanical resonator temperature dependence (via geometric stress compensation) and introduced the micromechanical mixer-filter (a.k.a. mixler) for the first time, as well as communication architectures that use it. The first “mixer first” communication front-end architecture proposal actually derived from a patent using a mixler.

C. T.-C. Nguyen, “Micromechanical devices for wireless communications (invited plenary),” Proceedings, 1998 IEEE International Workshop on Micro Electro Mechanical Systems, Heidelberg, Germany, Jan. 25-29, 1998,  pp. 1-7.

C. T.-C. Nguyen, “Frequency-selective MEMS for miniaturized communication devices (invited),” Proceedings, 1998 IEEE Aerospace Conference, vol. 1, Snowmass, Colorado, March 21-28, 1998, pp. 445-460.

S. Pacheco, C. T.-C. Nguyen, and L. P. B. Katehi, “Micromechanical electrostatic K-band switches,” Proceedings, IEEE MTT-S International Microwave Symposium, Baltimore, Maryland, June 7-12, 1998, pp. 1569-1572. (Judges’ award winner—one of several)

L. P.B. Katehi, G. M. Rebeiz, and C. T.-C. Nguyen, “MEMS and Si-micromachined components for low-power, high-frequency communications systems (invited),” Proceedings, IEEE MTT-S International Micro­wave Symposium, Baltimore, Maryland, June 7-12, 1998, pp. 331-333.

C. T.-C. Nguyen, “Communications applications of microelectromechanical systems (invited),” Proceedings, 1998 Sensors Expo, San Jose, California, May 20, 1998, pp. 447-455.

C. T.-C. Nguyen, L. P.B. Katehi, and G. M. Rebeiz, “Micromachined devices for wireless communications (invited),” Proc. IEEE, vol. 86, no. 8, pp. 1756-1768, Aug. 1998. (13 pages)

C. T.-C. Nguyen, “Micromachining technologies for miniaturized communication devices (invited plenary),” Proceedings of SPIE: Micromachining and Microfabrication, Santa Clara, California, Sept. 20-22, 1998, pp. 24-38.

Wan-Thai Hsu and C. T.-C. Nguyen, “Geometric stress compensation for enhanced thermal stability in micromechanical resonators,” Proceedings, 1998 IEEE International Ultrasonics Symposium, Sendai, Japan, Oct. 5-8, 1998, pp. 945-948.

A.-C. Wong, H. Ding, and C. T.-C. Nguyen, “Micromechanical mixer+filters,” Technical Digest, IEEE International Electron Devices Meeting, San Francisco, California, , Dec. 6-9, 1998, pp. 471-474. (best paper award winner)