|
                    
|
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.
|
|
1.5-GHz
Diamond Disk Resonator With Q >10,000 in Both Air and Vacuum -- at 500 MHz,
holds the record on-chip frequency-Q product! (2004)
|
|
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.
|
|
|
Vibrating
RF MEMS Wins Best Invited Paper Award at the 2004 IEEE Custom Integrated
Circuits Conference (2004) |
Resonator
Array Oscillator Wins 2004 UFFC Symposium Best Frequency Control Paper Award
(2004)
|
60-MHz
Wine-Glass Disk Oscillator Nearly Makes
the
GSM Reference Oscillator Phase Noise Spec (2004)
|
1.2-GHz
Polysilicon Micromechanical "Hollow Disk" Resonator
Using
Isolating Supports To Achieve Q=14,600 (2004)
|
|
| |
2004
Conference Publications: |
|
|
M.
A. Abdelmoneum, M. U.
Demirci, S.-S. Li,
and C. T.-C. Nguyen, Post-fabrication
laser trimming of micromechanical
filters, Technical Digest, IEEE Int. Electron Devices
Mtg., San Francisco, California, Dec. 13-15, 2004,
pp. 39-42.
|
|
|
C.
T.-C. Nguyen, Vibrating
RF MEMS for next generation wireless applications, Proceedings,
2004 IEEE Custom Integrated Circuits Conf., Orlando, Florida, Oct.
3-6, 2004, pp. 257-264. (best paper award winner)
|
|
|
S.
Lee and C. T.-C. Nguyen, Mechanically-coupled
micromechanical arrays for improved phase noise, Proceedings,
IEEE Int. Ultrasonics, Ferroelectrics, and Frequency Control 50th
Anniv. Joint Conf., Montreal, Canada,
Aug. 24-27, 2004, pp. 280-286. (best paper award winner)
|
|
|
M.
A. Abdelmoneum, M. U.
Demirci, Y.-W. Lin,
and C. T.-C. Nguyen, Location-dependent
tuning of vibrating micromechanical resonators via laser trimming, Proceedings,
IEEE Int. Ultrasonics, Ferroelectrics, and Frequency Control 50th
Anniv. Joint Conf., Montreal,
Canada, Aug. 24-27, 2004, pp. 272-279.
|
|
|
S.-S.
Li, M.
U. Demirci, Y.-W. Lin,
Z. Ren, and C. T.-C. Nguyen, Bridged
micromechanical filters,
Proceedings, IEEE Int. Ultrasonics, Ferroelectrics, and Frequency
Control 50th Anniv. Joint Conf., Montreal,
Canada, Aug. 24-27, 2004, pp. 144-150.
|
|
|
S.
Lee and C. T.-C. Nguyen, Phase
noise amplitude dependence in self-limiting wine-glass disk
oscillators,
Tech. Digest, 2002 Solid-State Sensor, Actuator, and Microsystems
Workshop, Hilton Head, South Carolina, June 6-10, 2004,
pp. 33-36.
|
|
|
Y.-W.
Lin, S. Lee, S.-S. Li, Y. Xie, Z. Ren, and C. T.-C. Nguyen, 60-MHz
wine glass micromechanical disk reference oscillator, Digest of
Technical Papers, 2004 IEEE International Solid-State Circuits
Conference,
San Francisco, California, Feb. 15-19, 2004
, pp. 322-323.
|
|
|
J.
Wang, J. E. Butler, T. Feygelson, and C. T.-C. Nguyen, 1.51-GHz
polydiamond micromechanical disk resonator with impedance-mismatched
isolating support, Proceedings, 17th Int. IEEE Micro
Electro Mechanical Systems Conf., Maastricht,
The Netherlands,
Jan. 25-29, 2004
, pp. 641-644.
|
|
|
S.-S.
Li, Y.-W. Lin, Y. Xie, Z. Ren, and
Clark
T.-C. Nguyen, Micromechanical
Hollow-Disk Ring Resonators, Proceedings, 17th Int.
IEEE Micro Electro Mechanical Systems Conf., Maastricht,
The Netherlands,
Jan. 25-29, 2004, pp. 821-824.
|
|
|
