1998 Conf Pubs
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Must Read Papers:

1.51-GHz with Q >10,000 Even in Air!
A result of purposely impedance-mismatching a polydiamond disk with its polysilicon stem.


1.2-GHz with Q = 14,600!

Who says diamond is needed to get Q >10,000 at GHz frequencies? With the right "hollow-disk" ring design, polysilicon can do even better than diamond.



60-MHz Wine-Glass Disk Oscillator Makes the GSM Reference Oscillator Spec!
Higher power handling and a Q >50,000 crucial in making the spec.



Arraying for Impedance <480W at 72MHz!
Mechanically coupled resonator arrays automatically align resonator frequencies to allow output summation for low impedance and higher power handling.



First Proposal for MEMS-Based RF Channel-Selection (1998)


The Latest Award Winning Papers:

Solid-Gap Vibrating Micromechanical Resonator Wins Best Paper Award at the 2005 IEEE Int. Frequency Control Symposium!
Congratulations to Yu-Wei Lin for winning the Best Frequency Control Paper Award at the 2005 IEEE  Int. Frequency Control Symposium.


Chip-Scale Atomic Clock Overview Paper Wins the Jack Raper Award at the 2005 IEEE Int. Solid-State Circuits Conference!
Congratulations to all those in the CSAC program (which Prof. Nguyen ran while at DARPA), especially John Kitching from NIST, who co-authored this paper.


Vibrating RF MEMS Wins Best Invited Paper Award at the 2004 IEEE Custom Integrated Circuits Conference!
Read this for an overview on vibrating RF MEMS.


Resonator Array Oscillator Wins 2004 UFFC Symposium Best Frequency Control Paper Award!
Congratulations to Seungbae Lee for winning the Best Frequency Control Paper Award at the 2004 IEEE Ultrasonics, Ferroelectrics, and Frequency Control 50th Anniv. Joint Conf.


Ext. Wine-Glass Resonator Work Wins 2003 IEDM Best Paper Award!
Congratulations to Yuan Xie for winning the 2003 Int. Electron Devices Meeting Roger A. Haken Best Student Paper Award.



First Mixer-Filter: Winner of the 1998 IEEE Int. Electron Devices Meeting Roger A. Haken Best Paper Award (1998)


Geometric-Stress Compensation for Reduced Temperature 

Dependence of a Nickel Micromechanical Resonator (1998)

  1998 Conference Publications:

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)

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.

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.

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


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.

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).

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.

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






Last Updated Tuesday, Aug. 7, 2012.

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To report errors, please email: ctnguyen@eecs.berkeley.edu