Stories
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Briefs: Electronics & Computers
The High Altitude Airship (HAA) has various application potential and mission scenarios that require onboard energy harvesting and power distribution systems. The power...
Products: Green Design & Manufacturing
Data Device Corporation (Bohemia, NY) introduces a compact (6.3 in X 4.6 in), multi-channel Solid-State Power Controller card with the capability to distribute and control power to four independent 75 Amp...
News: Energy
Gallium nitride (GaN) material holds promise for emerging high-power devices that are more energy efficient than existing technologies – but these GaN devices...
Briefs: Electronics & Computers
SpaceCube 2.0: An Advanced Hybrid Onboard Data Processor
The SpaceCube 2.0 is a compact, high-performance, low-power onboard processing system that takes advantage of cutting-edge hybrid (CPU/FPGA/DSP) processing elements. The SpaceCube 2.0 design concept includes two commercial Virtex-5 field-programmable gate array (FPGA) parts protected by...
Research News: Lighting
Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea Georgia Institute of Technology, Atlanta, Georgia
Keon Jae Lee, a professor in KAIST's Department of Materials Science and...
Articles: Lighting Technology
Solid-state lighting (SSL) is rapidly emerging as a major segment of the lighting fixture industry. What was once a simple electrical device has now been...
Articles: Lighting
Solid-state lighting (SSL) has been identified as a technology innovation that can significantly impact the future of lighting solutions that will meet new U.S. energy efficiency standards for...
Briefs: Lighting
Sandia National Laboratories, Albuquerque, NM Rensselaer Polytechnic Institute, Troy, NY
This report summarizes results from a three-year Laboratory Directed Research and Development (LDRD) project. The...
Application Briefs: Lighting
The lighting needs at the 460,000-square foot headquarters facility of Maines Paper and Food Service, Inc., a food distributor serving customers in 35 states, were recently re-evaulated. Like...
Application Briefs: Lighting
A Manchester, NH T.J.Maxx shopping plaza parking lot has been retrofitted with BetaLED luminaires. CBT Development of Greenland, NH was incurring high costs for parking lot maintenance from frequent...
Techs for License: Lighting
The given technology involves a novel method in achieving high-efficiency group III-nitride light-emitting diodes (LEDs) and laser diodes emitting in the visible regime...
Techs for License: Lighting
Researchers at the University of Minnesota have developed a novel organic light-emitting diode (OLED) architecture that reduces the number of individual layers in the device without...
Products: Lighting
The Honeycomb™ LED Chip from Verticle, Inc. (Dublin, CA) is a vertically-structured LED chip developed for high-power LED applications. A wafer can yield 15% more hexagonal chips than square or rectangular chips of...
Products: Lighting
Sumitomo Electric Industries, Ltd. (Osaka, Japan) has developed 6-inch diameter GaN (gallium nitride) substrates to be used for white LEDs. The front face of the GaN substrates is a polarized c-plane. Polarity refers to a...
Products: Lighting
The K1 Kyropoulos Crystal Grower from Thermal Technology (Santa Rosa, CA) is suitable for LED substrate production. The 90 kg crystal grower features multiple, independently-controlled heating elements, weight sensors to...
Products: Lighting
Monocrystal (Stavropol, Russia) has introduced ultra-large 10-inch c-plane epi-ready sapphire substrates. The LED industry continues shifting to larger diameter substrates as it strives to achieve higher cost savings...
Products: Lighting
The UX4-LEDs projection exposure system from USHIO America, Inc. (Cypress, CA) is for manufacturing LED chips. The system allows full-field exposure of 6-inch wafers while preventing wafer warpage or distortion —...
Products: Lighting
Intematix (Fremont, CA) has introduced two LED phosphor families: green aluminate and red nitride materials that enable high-quality white illumination when applied to blue LEDs. The phosphor families...
Briefs: Electronics & Computers
High-Performance Wireless Telemetrye
Prior technology for machinery data acquisition used slip rings, FM radio communication, or non-real-time digital communication. Slip rings are often noisy, require much space that may not be available, and require access to the shaft, which may not be possible. FM radio is not accurate or stable, and is limited...
Briefs: Electronics & Computers
Telemetry-Based Ranging
A telemetry-based ranging scheme was developed in which the downlink ranging signal is eliminated, and the range is computed directly from the downlink telemetry signal. This is the first Deep Space Network (DSN) ranging technology that does not require the spacecraft to transmit a separate ranging signal. By contrast, the...
Briefs: Electronics & Computers
A complementary metal oxide/semiconductor (CMOS) image detector now undergoing development is designed to exhibit less cross-talk and greater full-well capacity than do prior CMOS...
Briefs: Software
JWST Wavefront Control Toolbox
A Matlab-based toolbox has been developed for the wavefront control and optimization of segmented optical surfaces to correct for possible misalignments of James Webb Space Telescope (JWST) using influence functions. The toolbox employs both iterative and non-iterative methods to converge to an optimal solution by...
Briefs: Software
Java Image I/O for VICAR, PDS, and ISIS
This library, written in Java, supports input and output of images and metadata (labels) in the VICAR, PDS image, and ISIS-2 and ISIS-3 file formats. Three levels of access exist.
Briefs: Software
X-Band Acquisition Aid Software
The X-band Acquisition Aid (AAP) software is a low-cost acquisition aid for the Deep Space Network (DSN) antennas, and is used while acquiring a spacecraft shortly after it has launched. When enabled, the acquisition aid provides corrections to the antenna-predicted trajectory of the spacecraft to compensate for the...
Application Briefs: Information Technology
Enterprise application and information technology services Science Applications International Corp. (SAIC) McLean, VA 703-676-4300 www.saic.com
SAIC was awarded the Enterprise...
Application Briefs: Information Technology
IT Services Support NASA Scientists and Engineers
Information technology services DB Consulting Group Silver Spring, MD 301-589-4020 www.dbconsultinggroup.com
DB Consulting Group provides NASA’s Glenn Research Center (GRC) in Cleveland, OH with a variety of professional, administrative, computational, and engineering services. These services are...
News: Energy
A cow's digestive system allows it to eat more than 150 pounds of plant matter every day. Now researchers report that they have found dozens of previously unknown microbial enzymes in the...
Products: Energy
Power Integrations (San Jose, CA) offers seven new members of its LinkSwitch-PH family of LED driver ICs. Optimized for industrial and commercial settings where high efficiency and system longevity are dominant requirements, the...
INSIDER Product: Electronics & Computers
Bitwise Systems (Goleta, CA) has announced their new Model QMUX16X2 Multiplexer designed to permit test and measuring equipment to connect to many signals. QMUX can measure two selected signals at the same time. The multiplexer...
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