NASA Tech Briefs, October 2009Topics covered include: Light-Driven Polymeric Bimorph Actuators; Guaranteeing Failsafe Operation of Extended-Scene Shack-Hartmann Wavefront Sensor Algorithm; Cloud Water Content Sensor for Sounding Balloons and Small UAVs; Pixelized Device Control Actuators for Large Adaptive Optics; T-Slide Linear Actuators; G4FET Implementations of Some Logic Circuits; Electrically Variable or Programmable Nonvolatile Capacitors; System for Automated Calibration of Vector Modulators; Complementary Paired G4FETs as Voltage-Controlled NDR Device; Three MMIC Amplifiers for the 120-to-200 GHz Frequency Band; Low-Noise MMIC Amplifiers for 120 to 180 GHz; Using Ozone To Clean and Passivate Oxygen-Handling Hardware; Metal Standards for Waveguide Characterization of Materials; Two-Piece Screens for Decontaminating Granular Material; Mercuric Iodide Anticoincidence Shield for Gamma-Ray Spectrometer; Improved Method of Design for Folding Inflatable Shells; Ultra-Large Solar Sail; Cooperative Three-Robot System for Traversing Steep Slopes; Assemblies of Conformal Tanks; Microfluidic Pumps Containing Teflon[Trademark] AF Diaphragms; Transparent Conveyor of Dielectric Liquids or Particles; Multi-Cone Model for Estimating GPS Ionospheric Delays; High-Sensitivity GaN Microchemical Sensors; On the Divergence of the Velocity Vector in Real-Gas Flow; Progress Toward a Compact, Highly Stable Ion Clock; Instruments for Imaging from Far to Near; Reflectors Made from Membranes Stretched Between Beams; Integrated Risk and Knowledge Management Program -- IRKM-P; LDPC Codes with Minimum Distance Proportional to Block Size; Constructing LDPC Codes from Loop-Free Encoding Modules; MMICs with Radial Probe Transitions to Waveguides; Tests of Low-Noise MMIC Amplifier Module at 290 to 340 GHz; and Extending Newtonian Dynamics to Include Stochastic Processes.
IDRelationTitle20090035894WorkPixelized Device Control Actuators for Large Adaptive Optics20090035892WorkTests of Low-Noise MMIC Amplifier Module at 290 to 340 GHz20090035906WorkComplementary Paired G4FETs as Voltage-Controlled NDR Device20090035895WorkT-Slide Linear Actuators20090035889WorkIntegrated Risk and Knowledge Management Program -- IRKM-P20090035891WorkMMICs with Radial Probe Transitions to Waveguides20090035898WorkInstruments for Imaging from Far to Near20090035890WorkLow-Noise MMIC Amplifiers for 120 to 180 GHz20090035893WorkImproved Method of Design for Folding Inflatable Shells20090035900WorkConstructing LDPC Codes from Loop-Free Encoding Modules20090035902WorkProgress Toward a Compact, Highly Stable Ion Clock20090035878WorkAssemblies of Conformal Tanks20090035903WorkHigh-Sensitivity GaN Microchemical Sensors20090035879WorkReflectors Made from Membranes Stretched Between Beams20090035884WorkUltra-Large Solar Sail20090035883WorkExtending Newtonian Dynamics to Include Stochastic Processes20090035877WorkCooperative Three-Robot System for Traversing Steep Slopes20090035905WorkSystem for Automated Calibration of Vector Modulators20090035899WorkThree MMIC Amplifiers for the 120-to-200 GHz Frequency Band20090035886WorkGuaranteeing Failsafe Operation of Extended-Scene Shack-Hartmann Wavefront Sensor Algorithm20090035896WorkLDPC Codes with Minimum Distance Proportional to Block Size20090035904WorkMulti-Cone Model for Estimating GPS Ionospheric Delays20090035874WorkMercuric Iodide Anticoincidence Shield for Gamma-Ray Spectrometer20090035885WorkUsing Ozone To Clean and Passivate Oxygen-Handling Hardware20090035888WorkMicrofluidic Pumps Containing Teflon [Trademark] AF Diaphragms20090035880WorkTransparent Conveyor of Dielectric Liquids or Particles20090035876WorkLight-Driven Polymeric Bimorph Actuators20090035887WorkMetal Standards for Waveguide Characterization of Materials20090035882WorkOn the Divergence of the Velocity Vector in Real-Gas Flow20090035875WorkG(sup 4)FET Implementations of Some Logic Circuits20090035897WorkTwo-Piece Screens for Decontaminating Granular Material20090035881WorkElectrically Variable or Programmable Nonvolatile Capacitors20090035901WorkCloud Water Content Sensor for Sounding Balloons and Small UAVs