February 2011

PCB Manufacturing and Test Software

Siemens PLM Software (Plano, TX) announced the latest release of UniCam FX and Test Expert products from the High Tech and Electronics industry portfolio within Tecnomatix® software, Siemens PLM Software’s suite of digital manufacturing solutions. UniCam FX 9.1 and Test Expert 9.1 are high-performance,...

Multicore Optimization Technology

Synopsys, Inc. (Mountain View, CA) announced the availability of Platform Architect with Multicore Optimization Technology, a new solution for performance analysis and early definition of multicore system architectures in SystemC. Using Platform Architect with Multicore Optimization Technology, designers of...

Integrated Composites Solution

VISTAGY, Inc. (Waltham, MA) and ANSYS (Canonsburg, PA) introduce integrated ANSYS® 13.0 Composite PrepPost™ and FiberSIM® 2010 composites engineering software. This bi-directional integration, enabled by FiberSIM’s Analysis Interface, allows customers to exchange detailed layup information between design and...

Instrument Management Software Platform

Newport Corporation (Irvine, CA) introduces NSTRUCT™, an enhanced instrument management software platform created to simplify installation and to provide quicker and simpler instrument and experiment setup and use. Flexible and scalable, the instrument manager is designed with a set of features that...

News : Energy
February's Issue of Lighting Technology Now Available

Check out the February issue of Lighting Technology for more new feature articles, videos, application stories, tech briefs, products, and more - all on the latest advances in LEDs and solid-state lighting.

Briefs : Lighting
Nanoengineering for Solid-State Lighting

This report summarizes results from a three-year Laboratory Directed Research and Development (LDRD) project. The collaborative effort of researchers from Sandia National Laboratories and Rensselaer Polytechnic Institute was supported by Sandia’s National Institute for Nano-Engineering and focused on...

News : Energy
Constructing Solar Cells From Nanoparticles to Raise Efficiency

By using nanoparticles of germanium, silicon and other materials, an interdisciplinary team of UC Davis and UC Santa Cruz researchers hope to produce solar cells far more efficient than the current state of the art.

Question of the Week
If artificial intelligence outsmarts two live contestants, is that a bad sign for the humans?
This week's question addresses a robot and one of America's most well-known game shows. A supercomputer named Watson, designed by IBM and consisting of 90 IBM Power 750 Express servers, is set to face two human contestants on the US quiz show Jeopardy this...
Products : Electronics & Computers
14-Bit Analog-to-Digital Converter

The 14-bit ADS4149 from Texas Instruments (Dallas, TX) is a high-speed analog-to-digital converter (ADC) that delivers low power consumption and performance across wide signal bandwidths from DC up to 550 MHz. It features a maximum sample rate of 250 mega-samples per second (MSPS) and consumes as little as...

News : Energy
Aluminum to Replace Copper as Conductor in On-board Power Systems

Electric power and electronics play an increasing role in vehicles. Currently copper is the conductive material of choice but in comparison to aluminum, it is heavy and expensive. Before aluminum can replace copper in power supply systems, a number of technological challenges need...

Products : Energy
Optimized MOSFETs for Switch Mode Applications

Fairchild Semiconductor (San Jose, CA) has developed an optimized power MOSFET, the UniFET™ II MOSFET, which features an improved body diode, reduced switching losses, and the capability of withstanding double the current stress during diode recovery dv/dt mode.

Pockels Cell Driver

Analog Modules (Longwood, FL ) has announced the release of its Pockels Cell Driver, Model 823B. The Model 823B Pockels Cell/Shutter Driver is designed for continuous pulsed applications. The compact construction utilizes solid-state MOSFET technology, giving excellent trigger noise immunity and a smooth output waveform. This...

SSL Design Kit

Tyco Electronics (TE) (Harrisburg, PA) has introduced an innovative solid state lighting (SSL) solution - the NEVALO SSL system - designed to accelerate lighting manufacturersí transition from traditional light sources to new LED lighting fixtures. This comprehensive system combines the many new components and disciplines of SSL...

Fiber Optic Connector Cleaner

US Conec (Hickory, NC) has announced immediate availability of the IBC™ Brand Cleaner M250 for 2.5mm ferrule fiber optic connectors featuring the largest cleaning region commercially available. The M250 tool cleans SC, ST, FC and E2000 connectors and most hardened 2.5mm connectors used in harsh environment...

Optical/Electrical Converter

The Highland Technology (San Francisco, CA) PH200 is the first product in the 'PH' series of extreme-performance photonic instruments. The PH200 Nanowatt Photoreceiver, designed in collaboration with Phil Hobbs, is a free-space optical/electrical converter that provides near shot noise performance in a rugged,...

Ultra-Fast Framing Cameras

Specialised Imaging (Hertfordshire, UK) has recently supplied their renowned SIM-D Ultra Fast Framing Camera in a new multispectral imaging configuration. The versatile SIM-D has the capability of fitting up to 16 individual filters with wavelength from 400nm to 850nm within the optical system. This facility, coupled...

Products : Energy
Digital LED Driver ICs With Flicker-Free Dimming

iWatt, Inc. (Los Gatos, CA) released two primary-side-regulated, leading- and trailing-edge-dimmable, AC/DC Digital PWM Controllers targeting 100V/230VAC offline LED lighting applications.

Question of the Week
Is there another "Earth" out there, fit for life as we know it?
This week's question looks at an announcement from scientists operating NASA's Kepler satellite, who reported this week that they had identified 1,235 possible planets orbiting other stars, potentially three times the previously recorded number. Although no Earth-like planet has been...
Briefs : Electronics & Computers
Thermoelectric Energy Conversion Technology for High-Altitude Airships

The High Altitude Airship (HAA) has various application potential and mission scenarios that require onboard energy harvesting and power distribution systems. The power technology for HAA maneuverability and mission-oriented applications must come from its surroundings, e.g....

Products : Energy
High-Power Solid-State Power Controller

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 subsystems, and handle high current loads (up to 300 Amps) with channel paralleling.

Briefs : Physical Sciences
A²⁰¹Hg⁺ Comagnetometer for ¹⁹⁹Hg⁺ Trapped Ion Space Atomic Clocks

A method has been developed for unambiguously measuring the exact magnetic field experienced by trapped mercury ions contained within an atomic clock intended for space applications. In general, atomic clocks are insensitive to external perturbations that would change...

News : Energy
Technique Boosts High-Power Potential For Gallium Nitride Electronics

Gallium nitride (GaN) material holds promise for emerging high-power devices that are more energy efficient than existing technologies – but these GaN devices traditionally break down when exposed to high voltages. Now researchers at North Carolina State University have...

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...


PTC, Needham, MA, has announced Creo™ design software, which is scheduled for availability mid-year. The software is a suite of scalable, interoperable, open product design applications that includes AnyRole Apps™, providing the right tool for a particular user; AnyMode Modeling™, a multi-paradigm design platform that lets users...

Briefs : Physical Sciences
Multi-Segment Radius Measurement Using an Absolute Distance Meter Through a Null Assembly

This system was one of the test methods considered for measuring the radius of curvature of one or more of the 18 segmented mirrors that form the 6.5 m diameter primary mirror (PM) of the James Webb Space Telescope (JWST). The assembled telescope will be...

Briefs : Physical Sciences
Fiber-Optic Magnetic-Field-Strength Measurement System for Lightning Detection

A fiber-optic sensor system is designed to measure magnetic fields associated with a lightning stroke. Field vector magnitudes are detected and processed for multiple locations. Since physical limitations prevent the sensor elements from being located in close...

Briefs : Physical Sciences
Non-Contact Thermal Properties Measurement With Low-Power Laser and IR Camera System

As shown by the Phoenix Mars Lander’s Thermal and Electrical Conductivity Probe (TECP), contact measurements of thermal conductivity and diffusivity (using a modified flux-plate or line-source heat-pulse method) are constrained by a number of factors. Robotic...

Briefs : Physical Sciences
Photocatalytic Active Radiation Measurements and Use

Photocatalytic materials are being used to purify air, to kill microbes, and to keep surfaces clean. A wide variety of materials are being developed, many of which have different abilities to absorb various wavelengths of light. Material variability, combined with both spectral illumination...

Briefs : Physical Sciences
Computer Generated Hologram System for Wavefront Measurement System Calibration

Computer Generated Holograms (CGHs) have been used for some time to calibrate interferometers that require nulling optics. A typical scenario is the testing of aspheric surfaces with an interferometer placed near the paraxial center of curvature. Existing CGH...

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...

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,...

Briefs : Electronics & Computers
CMOS Imager Has Better Cross-Talk and Full-Well Performance

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 image detectors of the same type. Imagers of the type in question are designed to operate from low-voltage...

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...

Briefs : Manufacturing & Prototyping
Range 7 Scanner Integration With PaR Robot Scanning System

An interface bracket and coordinate transformation matrices were designed to allow the Range 7 scanner to be mounted on the PaR Robot detector arm for scanning the heat shield or other object placed in the test cell. A process was designed for using Rapid Form XOR to stitch data from...

Briefs : Manufacturing & Prototyping
High-Operating-Temperature Barrier Infrared Detector With Tailorable Cutoff Wavelength

A mid-wavelength infrared (MWIR) barrier photodetector is capable of operating at higher temperature than the prevailing MWIR detectors based on InSb. The standard high-operating-temperature barrier infrared detector

(HOT-BIRD) is made with an InAsSb...

Briefs : Manufacturing & Prototyping
Methods of Antimicrobial Coating of Diverse Materials

Methods of coating diverse substrate materials with antimicrobial agents have been developed. Originally intended to reduce health risks to astronauts posed by pathogenic microorganisms that can grow on surfaces in spacecraft, these methods could also be used on Earth — for example, to...

Briefs : Manufacturing & Prototyping
Antimicrobial-Coated Granules for Disinfecting Water

Methods of preparing antimicrobial-coated granules for disinfecting flowing potable water have been developed. Like the methods reported in the immediately preceding article, these methods involve chemical preparation of substrate surfaces (in this case, the surfaces of granules) to enable...

Briefs : Materials
A Model of Reduced Kinetics for Alkane Oxidation Using Constituents and Species for N-Heptane

The reduction of elementary or skeletal oxidation kinetics to a subgroup of tractable reactions for inclusion in turbulent combustion codes has been the subject of numerous studies. The skeletal mechanism is obtained from the elementary mechanism by...

Briefs : Materials
Thermally Conductive Tape Based on Carbon Nanotube Arrays

To increase contact conductance between two mating surfaces, a conductive “tape” has been developed by growing dense arrays of carbon nanotubes (CNTs, graphite layers folded into cylinders) on both sides of a thermally conductive metallic foil. When the two mating surfaces are brought...

Briefs : Materials
Lightweight, Ultra-High-Temperature, CMC-Lined Carbon/Carbon Structures

lished engineering material used extensively in aerospace. The beneficial properties of C/C include high strength, low density, and toughness. Its shortcoming is its limited usability at temperatures higher than the oxidation temperature of carbon — approximately 400 °C....

Briefs : Materials
Two Catalysts for Selective Oxidation of Contaminant Gases

Two catalysts for the selective oxidation of trace amounts of contaminant gases in air have been developed for use aboard the International Space Station. These catalysts might also be useful for reducing concentrations of fumes in terrestrial industrial facilities — especially...

Briefs : Materials
Nanoscale Metal Oxide Semiconductors for Gas Sensing

A report describes the fabrication and testing of nanoscale metal oxide semiconductors (MOSs) for gas and chemical sensing. This document examines the relationship between processing approaches and resulting sensor behavior. This is a core question related to a range of applications of...

Briefs : Mechanical & Fluid Systems
Sample Acquisition and Handling System From a Remote Platform

A system has been developed to acquire and handle samples from a suspended remote platform. The system includes a penetrator, a penetrator deployment mechanism, and a sample handler. A gravity-driven harpoon sampler was used for the system, but other solutions can be used to supply...

Briefs : Mechanical & Fluid Systems
Improved Rare-Earth Emitter Hollow Cathode

An improvement has been made to the design of the hollow cathode geometry that was created for the rare-earth electron emitter described in “Compact Rare Earth Emitter Hollow Cathode” (NPO-44923), NASA Tech Briefs, Vol. 34, No. 3 (March 2010), p. 52. The original interior assembly was made entirely...

Briefs : Mechanical & Fluid Systems
High-Temperature Smart Structures for Engine Noise Reduction and Performance Enhancement

One of key NASA goals is to develop and integrate noise reduction technology to enable unrestricted air transportation service to all communities. One of the technical priorities of this activity has been to account for and reduce noise via...

Briefs : Mechanical & Fluid Systems
Cryogenic Scan Mechanism for Fourier Transform Spectrometer

A compact and lightweight mechanism has been developed to accurately move a Fourier transform spectrometer (FTS) scan mirror (a cube corner) in a near-linear fashion with near constant speed at cryogenic temperatures.

This innovation includes a slide mechanism to restrict motion to...

Briefs : Mechanical & Fluid Systems
Piezoelectric Rotary Tube Motor

A custom rotary SQUIGGLE® motor has been developed that sets new benchmarks for small motor size, high position resolution, and high torque without gear reduction. Its capabilities cannot be achieved with conventional electromagnetic motors. It consists of piezoelectric plates mounted on a square flexible tube....

Briefs : Green Design & Manufacturing
Combustor Computations for CO₂-Neutral Aviation

Knowing the pure component Cp0 or mixture Cp0 as computed by a flexible code such as NIST-STRAPP or McBride-Gordon, one can, within reasonable accuracy, determine the thermophysical properties necessary to predict the combustion characteristics when...

Briefs : Physical Sciences
Cycle Time Reduction in Trapped Mercury Ion Atomic Frequency Standards

The use of the mercury ion isotope 201Hg+ was examined for an atomic clock. Taking advantage of the faster optical pumping time in 201Hg+ reduces both the state preparation and the state readout times, thereby decreasing the overall...

Briefs : Physical Sciences
Use of Dynamic Distortion to Predict and Alleviate Loss of Control

This research has developed and evaluated the specific concepts, termed “Smart-Cue” and “Smart-Gain,” to alleviate aircraft loss of control that results from unfavorable pilot/vehicle system interactions, including pilot-induced oscillations (PIOs). Unfavorable pilot/...

Articles : Test & Measurement
Diagnostic Models for Failure Analysis and Operations

The Constellation Program and the Exploration Technology Development Program (ETDP) funded the development of diagnostic models using the TEAMS (Testability Engineering and Maintenance System) tool for the Ares, Orion, and Ground Operations Projects to demonstrate operational uses for ground...

Application Briefs : Motion Control
Crew Test Module Provides Launch Escape System

New Shepard rocket-propelled vehicle

Blue Origin
Kent, WA
253-872-0411 www.blueorigin.com

Blue Origin has received funding from NASA’s Commercial Crew Development (CCDev) initiative to develop a composite crew test module and a launch escape system for its commercial...

Application Briefs : Information Technology
Enterprise Systems Help Consolidate NASA’s IT and Data Services
Enterprise application and information technology services
Science Applications International Corp. (SAIC)
McLean, VA

SAIC was awarded the Enterprise Applications Service Technologies (EAST) contract by NASA to provide a...

Application Briefs : Information Technology
IT Services Support NASA Scientists and Engineers
Information technology services
DB Consulting Group
Silver Spring, MD

DB Consulting Group provides NASA’s Glenn Research Center (GRC) in Cleveland, OH with a variety of professional, administrative, computational, and...

NASA Tech Needs
Cooling of a Self-Contained Portable HSDAS Unit

John C. Stennis Space Center (SSC) provides rocket engine propulsion testing for NASA’s space programs. There are occasions when it would be useful to have a portable, mobile data acquisition system that could easily be set up as needed within our facilities’ hydrogen environment, and that...

Who's Who
Dr. Jim Green, Director, Planetary Science Division, NASA Headquarters, Washington, DC

Dr. Jim Green began his NASA career in 1980 at Marshall Space Flight Center’s Magnetospheric Physics Branch where he developed and managed the Space Physics Analysis Network (SPAN), NASA’s precursor to the Internet. From 1985 to 1992 he served as Head of...

Dr. Jim Green, Director, Planetary Science Division, NASA Headquarters, Washington, DC

Dr. Jim Green began his NASA career in 1980 at Marshall Space Flight Center’s Magnetospheric Physics Branch where he developed and managed the Space Physics Analysis Network (SPAN), NASA’s precursor to the Internet. From 1985 to 1992 he served as Head of...

Articles : Motion Control
Synchronizing Hydraulic Axes in a Pultrusion Machine

Many hydraulically operated machines perform adequately with on/off “bang-bang” valves, but some need special controls to avoid maintenance problems and deliver quality production output. This is particularly true when multiple hydraulic axes need to be synchronized. In these cases,...

Application Briefs : Motion Control
Removing Digestive Tumors With a Therapeutic Endoscopy Teleoperation Robot

Endo Tools Therapeutics (ETT) is a medical device company based in Brussels, Belgium that was established in 2008. The company was formed after an innovative research project started in 2004 at Erasme Hospital (Université Libre de Bruxelles) and the faculty of...

Briefs : Mechanical & Fluid Systems
Crane Brake Release Tool

At the Rotation, Processing and Surge Facility (RPSF), the Solid Rocket Booster (SRB) segments are processed after they arrive by rail prior to a Shuttle launch. Using overhead bridge cranes capable of lifting up to 200 tons, the engineers remove the rail cover of the SRB segments, inspect the propellant grain and metal...

Briefs : Mechanical & Fluid Systems
Distributed Control of Long Slender Robotic Manipulators

Sample acquisition from small bodies is a key capability needed for proposed comet and asteroid sample return missions. This investigation determines how to utilize shape memory materials (SMMs) in sampling booms that result in improved sampling capability. By training an SMM wire to...

Articles : Electronics & Computers
Multicore Tools for Embedded Systems — Staying Ahead of the Game —

Building a multicore system means dealing with non-determinism. Interactions between tasks running on different cores can occur in a different order, and at a different rate from one run to the next. This makes it harder to reproduce, find, and fix bugs. It also lowers the...

Articles : Electronics & Computers
Redesigning COTS Servers for Military Applications

Military and ISR operations are inundated with vast amounts of data collected from an expanding network of sources, including sensor data from UAS, satellites, and remote monitoring stations. Critical information must be processed quickly and reliably, and delivered in real time to command...

Articles : Electronics & Computers
When the Going Gets Tough...

The theaters of operation for marine, air and land vehicles continue to redefine the term “rugged environment.” No longer bound by on-board human operators, autonomous and unmanned military vehicles are now free to operate within unparalleled temperature, vibration and shock regimes. The limitation on...

Products : Electronics & Computers
Chassis Mount Power Supplies

XP Power (Sunnyvale, CA) has announced the VCS series of chassis mount single output AC-DC power supplies aimed at cost sensitive industrial applications. The series comprises 50W, 70W and 100W models and are available with +5, +12, +15, +24 or +48 VDC outputs. A user accessible voltage trim control provides a +/-...

Products : Electronics & Computers
SDRAM Multi-Chip Modules

Aeroflex Colorado Springs (Colorado Springs, CO) announced the addition of two SDRAM members to its Quantified Commercial off the Shelf (QCOTS) memory family: the 2.5G and 3.0Gbit SDRAM multi-chip-modules (MCM), organized 64M × 40 (UT8SDMQ64M40) and 64M × 48 (UT8SDMQ64M48) respectively. They offer low power consumption...

Products : Electronics & Computers
ARM Cortex-A8 Computer Board

The SBC1651, an ARM Cortex-A8 computer board from Micro/sys (Montrose, CA), features the Freescale Semiconductor i.MX515 CPU at its core and consumes minimal power while operating at 800 MHz. The onboard Stackable USB I/O expansion with USB, I2C and SPI provides access to plug-and-play off-the-shelf I/O...

Products : Electronics & Computers
Front I/O Industrial Computers

DuroPC (Blairsville, PA) has unveiled a new line of front I/O bracket industrial rackmount computers. RAC183, RAC184, RAC185 & RAC186 merges the best of the DuroPC line of Intel® Core™ and Pentium™ systems with the ease of access provided by the units’ 2 front USB ports. and easy access to your expansion...

Products : Electronics & Computers
PCIe XMC Module

Innovative Integration (Simi Valley, CA) has introduced the X6-RX, a flexible receiver that integrates IF digitizing with signal processing on an XMC IO module. The module provides up to 24 configurable receiver channels with a Xilinx Virtex-6 FPGA signal processing core, and a high-performance PCI Express/PCI host interface. IF...

Products : Electronics & Computers
Flat Panel PC

WinSystems (Arlington, TX) has introduced the PPC3-G-6.5, a 6.5" open frame, color, flat panel PC based on a PC/104-Plus single board computer (SBC) that operates from -20°C to +70°C. It includes a resistive touch screen integrated into an aluminum, corrosion-resistant chassis about 2" thick; the open frame chassis (without a...

Products : Electronics & Computers
Optical Ethernet Transceivers

Marvell (Santa Clara, CA) offers the Alaska® family of secure optical Ethernet transceivers for datacenters and carrier networks. The four products cover applications at 10G, 1G, and 100Mb Ethernet speeds. The 88X2140M quadport and 88X2120M dual-port series of 10G transceivers feature XFI 10G serial and reduced...

Products : Electronics & Computers
16-bit Sensor Signal Conditioner

ZMDI (Dresden, Germany) has introduced a new 16-bit sensor signal conditioning IC (SSC). Developed for resistive bridge sensors, the ZSSC3017 combines high accuracy amplification, 16-bit precision analog-to-digital conversion, and an 18-bit DSP for linearization and calibration functions.

Products : Electronics & Computers
One-Part High-Strength Epoxy

Master Bond’s (Hackensack, NJ) new Polymer Adhesive Supreme 10AOHT-LO is a single component, no mix, thermally conductive compound featuring superior electrical insulation and toughness. It meets NASA low outgassing specifications and has superior durability and dimensional stability. It is formulated to cure at...

Drive and Controller

MICROMO (Clearwater, FL) offers the series 2232/2250 BX4 CSD/CCD compact drive and integrated motion controller from Faulhaber. The series incorporates the BX4 four-pole brushless technology with a single-axis motion controller. The drives are available with an RS-232 serial or CAN interface. Configuration of the drives is...

Electic Motors

NovaTorque (Sunnyvale, CA) offers Premium Plus+ electric motors in 2 and 3 HP @ 1800 RPM as a motor system paired with a variable frequency drive, or as standalone motors. The 2-HP version has a full-load rated efficiency of 91.5% at 1800 RPM and is available in a 143T frame, and the 3-HP version has a full-load rated efficiency...

Brushless Motor/Drives

Dunkermotoren USA (Elgin, IL) has introduced the BG75 series modular brushless permanent magnet motors driven by an integrated servo motor drive. The series is composed of 2.95" squared high-power-density motors in three stack lengths. The motor peak torque varies from 22.1 in-lb for the BG75×25, to 44.2 in-lb for the...

Application Briefs : Sensors/Data Acquisition
Motion Components Optimize Performance of Liquid Chromatography System

Pricing pressures, intense competition, and strict regulatory demands are challenging scientists and researchers in the fast-growing, highly-regulated pharmaceutical, life science, biochemical, industrial, and environmental industries to make important breakthroughs faster...

All-In-One Green Q-Switched DPSS Laser

Spectra-Physics® (Santa Clara, CA) has announced the world’s first 5 Watt, all-inone green Q-switched diode-pumped solid-state (DPSS) laser that combines the laser head and electronics into a single, compact package. The Explorer® XP 532-5 laser operates across a wide repetition rate range from single...

Articles : Photonics/Optics
Fiber Optic Technology: Shining New Light On An Old Concept

While it may appear state-of-the-art on the surface, fiber optic technology is a fairly simple method of conducting light that has been around for some time. The principle of guiding light by refraction was first demonstrated in the mid 19th century, and has been developing for use in...

Question of the Week
Do social networks make us less social?

This week's Question of the Week focuses on Web 2.0 interaction. A recent report from the University of Texas, Austin, says that networking sites like Facebook make users more sociable and "afford opportunities for new expressions of friendship, intimacy and community." A recent book by Sherry Turkle,...

News : Lighting
Flexible Ceramic Thin Film Nanogenerator
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 Engineering, and Zhong Lin Wang, a professor in the same department at Georgia...

Articles : Lighting
Lighting that Lasts: Building Solid-State Lighting Systems that Meet Industry Requirements

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 transformed into a complex electronic system. As light fixture manufacturers transition their existing...

Articles : Lighting
LED Optics — Shining a Light on Innovation

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 commercial, residential, and industrial applications. Progressive lighting original equipment manufacturers...

Briefs : Lighting
Nanoengineering for Solid-State 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 collaborative effort of researchers from Sandia National Laboratories and Rensselaer...

Application Briefs : Lighting
Warehouse Lighting-Related Energy Use Reduced by 87%

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 any large warehouse with 24x7 operations, this Conklin, NY facility bustles with activity across all...

Application Briefs : Lighting
Shopping Plaza Parking Lot Lighting-Retrofit

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 lamp replacement in high pressure sodium (HPS) and metal halide (MH) fixtures. While poor power quality...

Techs for License : Lighting
Staggered InGaN Quantum Wells for Improved Active Media for LEDs

The given technology involves a novel method in achieving high-efficiency group IIInitride light-emitting diodes (LEDs) and laser diodes emitting in the visible regime (wavelengths between 420nm and 650nm) for use in solid-state lighting and medical applications.

Techs for License : Lighting
Novel OLED Architecture Simplifies Device Manufacturing

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 sacrificing performance. With fewer layers, there are fewer deposition steps, leading to a simpler...

Products : Lighting
Hexagonal LED Chip

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 equivalent size. Hexagonal chips also aid in the current spreading, with the resulting higher light output than...

Products : Lighting
6-inch GaN Substrates

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 change in the electrical characteristics of a crystal caused by the preferred orientation of the...

Products : Lighting
Sapphire Crystal Grower

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 determine the crystal's growth rate, and computerized control and data logging. Sapphire crystals have...

Products : Lighting
10-inch Sapphire Substrates

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 and to increase production throughput of quality LED chips. Sapphire substrates are used for more than...

Products : Lighting
Projection Exposure System

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 — achieving a throughput enhancement of 300% compared with conventional stepper systems. It requires...

Products : Lighting
Green Aluminate and Red Nitride Materials

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 meet the material requirements for display backlighting and general lighting applications by offering an...

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