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Topic Area: Sensors

Displaying records 41 to 50 of 517 records.
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41. Surface Micromachining for Transition-Edge Detectors
Topic: Sensors
Published: 6/1/2003
Authors: Gene C Hilton, James A Beall, Steven Deiker, Joern Beyer, Leila R Vale, Joel Nathan Ullom, Kent D Irwin
Abstract: We are developing arrays of high performance detectors based on superconducting transition-edge sensors (TES) for application in x-ray materials analysis as well as x-ray and sub-mm astronomy. In order to obtain the desired thermal time constants, as ...

42. T^dc^ Suppression in Superconducting Films for use in Transition Edge Sensors
Topic: Sensors
Published: 6/1/2003
Authors: Steven Deiker, Gene C Hilton, Kent D Irwin, William H Rippard, Steve Ruggiero, Leila R Vale, B. Young
Abstract: Transition edge sensor (TES) microcalorimeters have proved their value as photon detectors in several wavelength regimes. The central elecement of a TES is a superconducting film with a transition temperature designed to be at a specific temperature, ...

43. Time-Division SQUID Multiplexers for Transition-Edge Sensors
Topic: Sensors
Published: 1/14/2003
Authors: Kent D Irwin, James A Beall, Joern Beyer, Steven Deiker, William Bertrand Doriese, S. Lisa Ferreira, Gene C Hilton, Sae Woo Nam, Carl D Reintsema, Joel Nathan Ullom, Leila R Vale
Abstract: Microcalorimeters and bolometers based on superconducting transition-edge sensors (TES) are important tools for the detection of photons from millimeter waves through gamma rays, and for applications ranging from materials analysis to astronomy. Ther ...

44. A Well Dressed Microscope: Practical Experience with Microcalorimeter and Silicon Drift Detector Systems
Topic: Sensors
Published: 12/31/2002
Authors: John A Small, Dale E Newbury, John Henry J. Scott, L. King, Sae Woo Nam, Kent D Irwin, Steven Deiker, Shaul Barkan, Jan Iwanczyk
Abstract: NIST, Gaithersburg has recently installed a first generation silicon drift detector (SDD) from Photon Imaging and the NIST Boulder microcalorimeter energy dispersive x-ray spectrometer ({mu}cal-EDS) on a JEOL 840 SEM, as shown in Fig. 1. [1,2] The in ...

45. The Development of Microcalorimeter EDS Arrays
Topic: Sensors
Published: 11/1/2002
Authors: Kent D Irwin, James A Beall, Steven Deiker, Gene C Hilton, L. King, Sae Woo Nam, Dale E Newbury, Carl D Reintsema, John A Small, Leila R Vale
Abstract: High-energy-resolution cryogenic microcalorimeters are a powerful new tool for x-ray microanalysis. With demonstrated energy resolution ~20 times better than with conventional semiconductor EDS, microcalorimeters are useful in applications such as na ...

46. Advances in Weld Hydrogen Sensors
Topic: Sensors
Published: 6/1/2002
Authors: David Olson, B. Mishra, R D Smith, S. Niyomsoan, P. Termsuksawad, Y D Park, V I Kaydanov, Z Gavra, Ronald B Goldfarb
Abstract: Through the application of modern physics concepts, advanced hydrogen sensors are being developed for rapid determination of weld hydrogen content and distribution. Electronic, optical, and magnetic property measurements have demonstrated the ability ...

47. Present Results and Future Goals of the Cryogenic Dark Matter Search
Topic: Sensors
Published: 1/1/2002
Authors: T. A. Perera, D. Abrams, D. S. Akerib, D. Bruce Bauer, A. Bolozdynya, P. Brink, R. Bunker, B. Cabrera, D. O. Caldwell, J. P. Castle, Fengbo Hang, R. M. Clarke, M. B. Crisler, R. Dixon, D. Driscoll, S. Eichblatt, R. J. Gaitskell, S. R. Golwala, E. E. Haller, J. Hellmig, D. Holmgren, Martin Huber, S. Kamat, C. Maloney, V. Mandic, John M. Martinis, P. Meunier, Sae Woo Nam, Harold E Nelson, M. Perillo-Issac, R. R. Ross, T. Saab, B. Sadoulet, J. Sander, R. W. Schnee, T. Shutt, Amy Smith, A. H. Sonnenschein, A. L. Spadafora, G. Wang
Abstract: The Cryogenic Dark Matter Search (CDMS) uses Ge and Si detectors to search for Weakly Interacting Massive Particles (WIMPs) via their elastic-scattering interaction with atomic nuclei. The present results from CDMS give limits on the spin-independent ...

48. High-resolution EDS Analysis of Ultra-Thin TaSiN Diffusion Barriers for Cu Metallization using Microcalorimetry
Topic: Sensors
Published: 12/31/2001
Authors: Robert E. Geer, D. Wu, David A Wollman
Abstract: The advent of microcalorimetry for x-ray detectors holds the promise for high-resolution compositional microanalysis applicable to nanometer-scale devices and structures. To demonstrate this capability, microcalorimeter-based energy dispersive x-ray ...

49. Resonance Damping in Tightly Coupled d.c. SQUIDs via Intra-Coil Resistors
Topic: Sensors
Published: 12/31/2001
Authors: Martin Huber, A. H. Steinbach, Ronald H. Ono

50. Jim Zimmerman and the SQUID
Topic: Sensors
Published: 3/1/2001
Author: Richard Lloyd Kautz
Abstract: The career of Jim Zimmerman, beginning with a solid foundation in electronics and cryogenics, reached a turning point in 1965 when he became coinventor of the rf SQUID (Superconducting Quantum Interference Device), while working at the Scientific Lab ...

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