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Briefs: Manufacturing & Prototyping
The Flexible Array Concentrator Technology (FACT) is a lightweight, high-performance reflective concentrator blanket assembly that can be used on flexible solar array blankets. The FACT concentrator replaces every...
Articles: Lighting
It’s common knowledge that one of the easiest ways to save energy is to shut off lights when they are not in use. Even so, the lighting controls market accounts for a fraction of the overall lighting...
Briefs: Electronics & Computers
Capacitance Probe Resonator for Multichannel Electrometer
A multichannel electrometer voltmeter has been developed that employs a mechanical resonator with voltage-sensing capacitance-probe electrodes that enable high-impedance, high-voltage, radiation-hardened measurement of an Internal Electrostatic Discharge Monitor (IESDM) sensor. The IESDM is...
Briefs: Physical Sciences
Fuel Cell/ Electrochemical Cell Voltage Monitor
A concept has been developed for a new fuel cell individual-cell-voltage monitor that can be directly connected to a multi-cell fuel cell stack for direct substack power provisioning. It can also provide voltage isolation for applications in high-voltage fuel cell stacks. The technology consists of...
Products: Lighting
TE Circuit Protection (Menlo Park, CA), a business unit of TE Connectivity, has announced AC-rated and DC-rated Reflowable Thermal Protection (RTP) devices, which feature a temperature open (Topen) value of 140°C....
Briefs: Energy
Optimal Dynamic Sub-Threshold Technique for Extreme Low Power Consumption for VLSI
For miniaturization of electronics systems, power consumption plays a key role in the realm of constraints. Considering the very large scale integration (VLSI) design aspect, as transistor feature size is decreased to 50 nm and below, there is sizable increase in the...
Briefs: Physical Sciences
Method to Remove Particulate Matter From Dusty Gases at Low Pressures
Future human exploration of Mars will rely on local Martian resources to reduce the mass, cost, and risk of space exploration launched from Earth. NASA’s In Situ Resource Utilization (ISRU) Project seeks to produce mission consumables from local Martian resources, such as...
Briefs: Electronics & Computers
High-Voltage, Low-Power BNC Feedthrough Terminator
This innovation is a high-voltage, lowpower BNC (Bayonet Neill–Concelman) feedthrough that enables the user to terminate an instrumentation cable properly while connected to a high voltage, without the use of a voltage divider. This feedthrough is low power, which will not load the source, and...
Briefs: Physical Sciences
Gas Composition Sensing Using Carbon Nanotube Arrays
This innovation is a lightweight, small sensor for inert gases that consumes a relatively small amount of power and provides measurements that are as accurate as conventional approaches. The sensing approach is based on generating an electrical discharge and measuring the specific gas breakdown...
Products: Lighting
TDK-EPC, a group company of the TDK Corporation (Uniondale, NY), has extended its range of EPCOS MKP film capacitors with the B32671L8 and B32672L9 series. The high-voltage (2000 VDC) capacitors are available with reduced lead...
Briefs: Electronics & Computers
Programmable Digital Controller
An existing three-channel analog servo loop controller has been redesigned for piezoelectric-transducer-based (PZTbased) etalon control applications to a digital servo loop controller. This change offers several improvements over the previous analog controller, including software control over...
Briefs: Physical Sciences
Electrospray Collection of Lunar Dust
A report describes ElectroSpray Ionization based Electrostatic Precipitation (ESIEP) for collecting lunar dust particles. While some HEPA filtration processes may remove a higher fraction (>99.9 percent) of the particles, the high efficiency may not be appropriate from an overall system standpoint,...
Briefs: Electronics & Computers
Rad-Hard, Miniaturized, Scalable, High-Voltage Switching Module for Power Applications
A paper discusses the successful development of a miniaturized radiation hardened high-voltage switching module operating at 2.5 kV suitable for space application. The high-voltage architecture was designed, fabricated, and tested using a commercial process that...
Application Briefs: Photonics/Optics
We have known for decades that the sun radiates enough energy to meet the world’s needs for power, both now and in the future. As in any energy conversion from original source to a...
Briefs: Mechanical & Fluid Systems
Monolithic, High-Speed Fiber-Optic Switching Array for Lidar
Current fiber switch technologies use mechanical means to redirect light beams, resulting in slow switch time, as well as poor reliability due to moving parts wearing out quickly at high speeds. A non-mechanical ability to switch laser output into one of multiple fibers within a fiber...
Briefs: Semiconductors & ICs
A proposed integrated circuit would translate (1) a pair of input signals having a low differential potential and a possibly high common-mode potential into (2) a pair of output signals...
Articles: Imaging
Ultra-high-speed framing cameras have long been the workhorse for acquiring elusive data in scientific fields where very fast phenomena are studied, such as high-voltage discharge, crack...
Briefs: Electronics & Computers
Power-Combined GaN Amplifier With 2.28-W Output Power at 87 GHz
Future remote sensing instruments will require focal plane spectrometer arrays with higher resolution at high frequencies. One of the major components of spectrometers are the local oscillator (LO) signal sources that are used to drive mixers to down-convert received radio-frequency...
Articles: Electronics & Computers
Automated industrial control systems are an integral part of today’s manufacturing facilities. As these systems’ capabilities advance, the engineer shifts from someone who oversees...
Briefs: Physical Sciences
Conventional thermal conductivity gauges (e.g. Pirani gauges) lend themselves to applications such as leak detectors, or in gas chromatographs for identifying various gas species. However, these...
Articles: Energy
Optimized Power Devices Enable Energy Efficient Solar Inverters and Micro-Converters
As the demand for greener appliances and consumer products soars across the globe, and energy savings becomes a global phenomenon (and necessity) in residential and commercial environments, solar and wind power technologies have begun to proliferate in cities and...
Briefs: Energy
In recent years, better stabilizer formulations for ethylene vinyl-acetate have been developed, giving more confidence in the long-term stability of PV packaging materials. Because of this, some manufacturers have stopped using Ce-doped glass. National Renewable Energy Laboratory researchers studied Ce-free glass.
Briefs: Mechanical & Fluid Systems
Orbital Winch for High-Strength, Space-Survivable Tethers
An Orbital Winch mechanism enables high-load, multi-line tethers to be deployed and retracted without rotating the spool on which the tether is wound. To minimize damage to the tether and the wound package during retraction or deployment under load, it can incorporate a Tension Management...
Application Briefs: Imaging
MEMS-based deformable mirrors Boston Micromachines Corp. Cambridge, MA 617-868-4178 www.bostonmicromachines.com
Boston Micromachines has been selected by NASA's Small Business...
Articles: Lighting
Industry and consumers are increasingly aware of the benefits of efficacious use of metered power, as costs and cost trends increase. Making the right choices...
Articles: Lighting
Understanding how LEDs work and what materials are used for ideal operation in various spectral ranges will aid in selecting the right color and ideal wavelengths for a variety of...
Briefs: Electronics & Computers
The L-3 Communications Electron Technologies, Inc. Model 999HA traveling-wave tube (TWT), was developed for use as a high-power microwave amplifier for high-rate transmission of data and video signals from...
Products: Lighting
Alpha & Omega Semiconductor, Sunnyvale, CA, has expanded its EZBoost™ family with a white LED backlight driver, the AOZ1950. The AOZ1950 provides backlighting solutions for portable devices using medium-sized...
Briefs: Manufacturing & Prototyping
Electrostatic Separator for Beneficiation of Lunar Soil
A charge separator has been constructed for use in a lunar environment that will allow for separation of minerals from lunar soil. Any future lunar base and habitat must be constructed from strong, dense materials to provide for thermal and radiation protection. It has been proposed that lunar...
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The Over-Engineering Trap: Aligning Custom Equipment Specs with...
