Zobrazeno 21 - 30
of 33
pro vyhledávání: '"77"'
Publikováno v:
SPIE Proceedings.
We have fabricated YBa2Cu3O7-(delta ) (YBCO) superconducting line resonator and tunable line resonator on ferroelectric Sr0.5Ba0.5TiO3 (SBTO) buffered MgO(100) substrate and discussed the frequency shift mechanism of superconductor as a function of t
Autor:
Imelda Groves, G. Pollack, M. Song, George A. Brown, Chih-Chia Lin, Jason C. S. Woo, C. Hwang, K.P. MacWilliams, Larry C. Dawson, Arvind I. D'Souza, K. Green
Publikováno v:
SPIE Proceedings.
Results are presented of a process-development effort to achieve a 1-Mrad silicon (Si) radiation-hardening capability at temperatures down to 40 K, using Texas Instruments high volume, 1-micrometer commercial process. The one-micrometer process was c
Autor:
Michael J. Gerver, Ralph C. Fenn
Publikováno v:
SPIE Proceedings.
Magnetostrictive Terfenol-D transducers are an attractive alternative to viscoelastic dampers, and electrodynamic and piezoelectric actuators for damping and self-sensing. These advantages include high stiffness and primary load carrying capability,
Publikováno v:
SPIE Proceedings.
A Charge Injection Device Technologies 512 X 512 CID array has been tested at liquid nitrogen temperature to assess its suitability for use in low light applications. The CID-38 chip used was installed in a SICam dewar/electronics from CIDTEC. For th
Autor:
Steve Rohlfing, Roger J. Forse
Publikováno v:
SPIE Proceedings.
A receiver with an rf band of 34.6 GHz to 35.4 GHz, an integral local oscillator with a frequency of 36.5 GHz, and an IF frequency of 1.1 GHz to 1.9 GHz was designed and fabricated. The rf filter was a three pole distributed design fabricated with Hi
Autor:
Marc C. Foote, R. F. Leonard, Kul B. Bhasin, Brian D. Hunt, Richard P. Vasquez, Javier J. Bautista, Robert R. Romanofsky, B. H. Fujiwara, Hamid Javadi, Wilbert Chew, Jeff B. Barner, A. J. Guern, C.M. Chorey, Gerry G. Ortiz, Paul D. Wamhof, Daniel L. Rascoe, J. G. Bowen
Publikováno v:
SPIE Proceedings.
A low-noise microwave receiver downconverter utilizing thin-film high-critical-temperature superconducting (HTS) passive circuitry and semiconductor active devices has been developed for use in space. It consists of an HTS pre-select filter, a cryoge
Autor:
Si R. Teigland
Publikováno v:
SPIE Proceedings.
The use of FT-IR spectrometers for on-line monitoring and process control has recently been gaining in popularity. Many of these FT-IR systems use LN2 cooled detectors. This paper discusses the use of stirling cycle cryogenic coolers for the cooling
Autor:
Albert M. Fowler, Julie B. Heynssens
Publikováno v:
SPIE Proceedings.
This array was developed for use in future NASA space infrared instrumentation and was funded by Craig McCreight at NASA Ames Research Center. The multiplexer was designed at Valley Oakes Semiconductor and fabricated using TRW's radiation hard 1.2 mi
Publikováno v:
SPIE Proceedings.
Microwave stripline resonator measurements are presented of Rs on large-area YBCO (Y1Ba2Cu3O7-x) films sputter deposited on cleaved MgO substrates. Dependence of Rs on temperature, frequency, and applied input power was determined. The films exhibite
Autor:
Randy W. Simon
Publikováno v:
SPIE Proceedings.
Superconductive electronics is well known to offer substantial performance advantages over conventional technologies with respect to high-speed, low-power dissipation and high- frequency operation. Before the discovery of high-temperature superconduc