NASA Tech Briefs

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Articles in Dec 2000 issue of NASA Tech Briefs

• Overview of the materials and manufacturing directorate
• Manually operated weld-filler-wire feeder
  by Rybicki, Daniel J
• Design analysis test bed for high-frequency microelectromedchanical systems devices
  by Burns, Dan
• Graphitic foam research
  by Kearns, Kristen
• Transitions
• Laser hardened materials evaluation laboratory performs evaluation of advanced materials for aerospace systems
  by Eric, John
• Patents
• IPC: An extremely dynamic product, The
  by Niedbala, Yarek
• Finding known shapes in an image by pruning parameter space
  by Olson, Clark F
• Spin-offs
• Network wireless systems require new test equipment architecture
  by DeMott, John
• Small lidar altimeter would operate at low light levels
  by Degnan, John
• product of the month
• Overlapped subarray antenna demonstration
  by Davidovitz, Marat
• New engineering ceramics
  by Pechenik, Alexander
• SiGe/Si terahertz lasers and detectors for space-based communications and sensing
  by Soref, Richard
• Silicon carbide npnp thyristors
  by Palmour, John
• Solid edge version 9: A drafter's friend
  by Ross, Steven S
• Failure modeling tool used for shuttle wiring diagnostics
• Who's who at NASA: Kenneth Wagner, Aerospace Technologist, Goddard Space Flight Center
• Meet the chief scientist: Dr. Wade Adams
• Digital library of NACA reports
  by Nelson, Michael L
• RS forward error correction for variable-length frames
  by Duran, Steve
• Postioning VCSELs for better testing
• Multiple-DOS surface-acoustic-wave piezoelectric motors
  by Bar-Cohen, Yoseph
• Software for wafer-level testing of microfabricated devices
  by Evans, Christopher
• Materials degradation test facility evaluates erosion resistance
  by Pfleddereer, Lynne
• Join our reader panel
• Halon substitute protects aircrews and the ozone layer
  by Vitali, Juan
• High-performance photodetector circuit for doppler lidar
  by Cardell, Greg
• Generating electric power from alpha-particle sources
  by Patel, Jagdishbhai
• Patents
• A powerful logic for highly assured information systems
  by Rodriguez, Dilia E
• Military products from commercial lines
  by Kinsella, Mary E
• Electronics manufacturers use x-ray imaging systems for yield improvement
  by Kensen, Luke C
• Reader forum
• NASA technology helps firefighters
• New grain boundary effect in high-temperature superconducting material discovered
  by Barnes, Paul
• CCDs will help NASA map 40 million stars
• Breakthrough in computer chip materials advances security and reliability
  by Hunt, Ken
• Software for generating 100-by100-km images from SAR data
  by Alaei, Homayan; Jin, Michael; Nguyen, Quyen; Yang, Shelby
• Sequencing and job-control software for processing SAR Data
  by Chu, Eugene; Fineman, Daniel; Haw, Pearl; Ho, John; Et al
• Program for controlling digital instrumentation recorders
  by Sylvestor, Danny B; Welke, David M
• Electrohydrodynamic pumping enhances operation of heat pipe
  by Seyed-Yogoobi, J; Bryan, J E
• Program computers tone fan noise from a turbofan engine
  by Topol, David; Eversman, Walter
• Air Force opens new eyes: Deployable optics take shape, The
  by Huybrechts, Steven; Denoyer, Keith
• Auditory distance perception of speech: The influence of production level
  by Brungart, Douglas S; Scott, Kimberly R
• Second-generation spaceborne rainfall-profiling radar system
  by Durden, Stephen; Haddad, Ziad; Smith, Eric
• Improved system for locating lightning strikes within meters
  by Ihelfeld, Curtis M; Medelius, Pedro J; Simpson, Howard James; Starr, Stan
• KSC simulation system, The
  by Estes, Scott; Busto, Juan M; Dick, Mike; Grant, Kevin J; Et al
• Improved infrared imaging of bulk defects in CdZnTe wafers
  by Parker, Bradford; Van Sant, J Timothy; Mullinix, Richard; Stahle, C M; Et al
• Real-time optoelectronic particle-fallout monitors
  by Mogan, Paul A; Schwindt, Christian J; Hodge, Timothy R
• Image generators with compact optics
  by Handschy, Mark; Meadows, Michael R; Shenker, Martin; Weissman, Paul E
• Asymmetric dual-axis goniometer for positioning on a sphere
  by Oseas, Jeffrey M; Calvet, Robert J
• Comprehensive research yields essential plasma etching techniques
  by Ganguly, Biswa N; Turner, Sandra C
• Improvements in computed-tomography imaging spectrometry
  by Wilson, Daniel; Maker, Paul D; Muller, Richard; Descour, Michael; Dereniak, Eustace
• Laser effects test facility
  by Latham, William P; Shell, James R; Beraun, Jorge E; Grimes, Lawrence E
• Improved methods of testing cryogenic insulation materials
  by Fesmire, James E; Breakfield, Robert A; Ceballos, Dale J; Stroda, Philip D; Niehoff, James P Jr
• Flexible and survivable non-volatile memory data recorder
  by Smith, Steven; Coker, Norman
• GA synthesis of circuits using a linear representation
  by Lohn, Jason D; Colombano, Silvano P
• Visual crack measurement system uses temperature--sensitive paint
  by Banaszak, David; Dale, Gary A; Baust, Henry D
• Fast NRZLM encoding and decoding algorithm
  by Kizhner, Semion; Ray, Timothy
• Hand-Held instrument for imaging hydrogen fires
  by Barnes, Heidi L; Smith, Harvey S
• Program for displaying large, Coregistered images
  by Czikmantory, Akos; Martin, Michael; Godoy, Adrian; Hecox, David; Et al
• Software for processing RADARSAT scanSAR data into images
  by Jin, Michael; Nguyen, Ouygen; Schredder, Jeff; Tung, Wayne