Techs for License: Lighting
High Extraction Efficiency GaN LED

Photonic crystals have received an increasing amount of interest for use as light extractors in light-emitting diodes (LEDs), but their implementation on the surface of LEDs has thus far produced little improvement in extraction efficiency.

Techs for License: Lighting
Relaxed SiGe Films By Surfactant Mediation

Relaxed silicon-germanium (SiGe) has become an important material in the fabrication of high-quality films for various applications. Strain-relaxed SiGe buffers have been produced by at least three known methods. However, these techniques present several disadvantages, such as long growth times, thick...

Products: Lighting
LED Power Supplies

ERG Lighting (Endicott, NY) has introduced eDriver LED power supplies, available in a broad range of constant voltage and constant current drivers. The driver modules are 90% efficient and fully isolated, with universal...

Products: Lighting
Six-Channel LED Driver IC

The HV9957 from Supertex (Sunnyvale, CA) combines a switch-mode boost converter and six low-dropout, linear current regulators to deliver high efficiency and precise current control in an LED driver. The IC can...

Products: Lighting
Poke-In Wire SSL Connector

TE Connectivity (Harrisburg, PA) has extended its line of poke-in connectors to include the new micro poke-in wire SSL connector — a low-profile printed circuit board connector specifically designed for LED...

Products: Lighting
LED Control IC

The IRS2548D switched-mode power supply control IC from International Rectifier (El Segundo, CA) is for high-power LED illumination including LED street lighting, stadium lighting, and theatrical lighting. The device achieves...

Two new series of connectors for LED lighting systems from AVX Corporation (Greenville, SC) maintain the same luminosity and light intensity as florescent strip lights. The standard length of fluorescent...

Hirose (Simi Valley, CA) has developed a 2-mm pitch, multi-functional connector system that provides wire-to-board, board-to-board joint and short-circuit sockets in a single connector design. The DF59...

Products: Energy
Efficient IGBTs

Powerex (Youngwood, PA) has introduced IGBTs from 300A/1200V - 800A/1200V in conventional packages, allowing users an easy upgrade path for increased system ratings and/or improved reliability due to the increased allowable...

Articles: Manufacturing & Prototyping
YouTube and NASA Want Student Experiments

NASA has partnered with Space Adventures to support the YouTube Space Lab competition that invites students to envision and design their own experiment with the ultimate prize -- flying it on the International Space Station.

The contest opened on October 11, and will continue to accept submissions...

News
iPhone to spiPhone?

Georgia Tech researchers have discovered how to use a mobile phone to track what is being typed on a nearby computer keyboard. They used a smartphone accelerometer — the internal device that detects when and how the phone is tilted — to sense keyboard vibrations and decipher complete sentences with up to 80 percent...

News
Touchscreen Technology Distinguishes Taps by Different Parts of Finger

Smartphone and tablet computer owners have become adept at using finger taps and and drags to control their touchscreens. Carnegie Mellon University researchers have found that this interaction can be enhanced by taking greater advantage of the finger's anatomy and dexterity....

News
Reassembling the World's Largest Medieval Library

Under Jewish law, religious texts cannot simply be thrown away once they're worn out. While many texts were buried, many synagogues also operated genizahs, or storerooms, to store disused holy texts. The Cairo Genizah is one of the most valuable sources of primary documents for medieval...

Products
Advanced Driver Assistance System

dSPACE (Wixom, MI) has added the ADASIS v2 Horizon Reconstructor Blockset (ADASIS v2 HR Blockset) to its range of products for developing advanced driver assistance systems. The Simulink blockset provides access to data on the road ahead. Such data, for example, comes from a navigation system or a special ECU,...

Products
Model-Based and Trace-Based Timing Analysis

Symtavision (Braunschweig, Germany) has launched SymTA/S 3.0 and TraceAnalyzer 3.0, the first fully integrated versions of these system-level tools for model-based design and trace-based verification. Targeted at automotive, aerospace, automation, and other performance- and safety-critical systems, the...

News
Designing a More Energy-Efficient Grocery Display Case

Open-front refrigerated display cases, which make up roughly 60 percent of the refrigerated cases in grocery stores, provide quick access to chilled products – but they’re hardly energy-efficient. Engineers at the University of Washington and Kettering University are working to cut the...

News
Super-Stretchy Sensor Holds Promise for Prosthetics, Displays

Using carbon nanotubes bent to act like springs, Stanford researchers have developed a stretchable, transparent skin-like sensor that can be stretched to more than twice its original length and bounce back perfectly to its original shape. It can sense pressure from a firm pinch to...

News
New Concept Gives Rechargeable Batteries a Surge in Storage Capacity

Researchers at Karlsruhe Institute of Technology have developed a new concept for rechargeable batteries, based on a fluoride shuttle – the transfer of fluoride anions between electrodes – which could allow high energy densities up to ten times as high as those of...

News
Designing With Vision

A new system, dubbed “Designing With Vision,” incorporates eye-tracking technology that could help release constraints on creativity imposed by computer-aided design (CAD) tools. Developed by researchers at The Open University and the University of Leeds, the system is devised to break down rigid distinctions between...

Products
Automotive Support Package

MathWorks (Natick, MA) introduces AUTOSAR Target Production Package, a flexible support package available to automotive engineers requiring advanced AUTOSAR capabilities with Simulink and Embedded Coder. The AUTOSAR Target Production Package helps engineers use more features of the AUTOSAR standard with simplified...

Products
Optical Design and Analysis Software

Synopsys, Inc. (Mountain View, CA) offers enhancements to its CODE V® optical design and analysis software, acquired as part of Synopsys' acquisition of Optical Research Associates. CODE V 10.4 delivers enhancements to its Beam Synthesis Propagation (BSP) tool that enable optical designers to model and...

Products
Mask‐Wafer Double Simulation Platform

D2S, Inc. (San Jose, CA) has introduced TrueMaskTM DS, the industry’s first mask‐wafer double simulation accelerated workstation for R&D exploration, bit‐cell design, hot‐spot analysis, and mask‐defect categorization that comprehends overlapping eBeam shots and dose modulation. TrueMask DS is an...

Products
Computer-Aided Engineering Software Suite

Altair Engineering, Inc. (Troy, MI) has released the HyperWorks 11.0 Student Edition, a personal academic version of the popular suite of computer-aided engineering (CAE) software used by manufacturers around the world. The Student Edition offers affordable opportunities for engineering and design...

Polcak is a civil engineer by training and acoustical/noise control engineer by practice. He deals with transportation noise analysis and mitigation. Polcak's...

The AutoTram® is as long as a streetcar and as maneuverable as a bus. It doesn’t need rails or overhead lines because it rolls on rubber tires and simply follows white lines...

Blog
Meet Our Readers: Keeping the Noise Down

Noise barriers are often used to shield sensitive community areas from roadway, railway, and industrial racket. These structures are built based on the careful measurement of noise levels and environmental conditions.

Did you know that there are over 100 miles of barrier in the state of...

Products: Transportation
Automotive-Qualified IGBTs Optimized for Electric and Hybrid Vehicle Applications

International Rectifier (El Segundo, CA) has released automotive-qualified 600 V IGBTs optimized for variable speed motor control and power supply applications used in electric and hybrid vehicles. The new devices cover a broad current range and offer a...

Question of the Week
Will autonomous vehicles increase efficiency and make us safer?
This week's Question: Google has been testing its autonomous cars on public roads. The search giant's fleet of robotic Toyota Priuses has now logged more than 190,000 miles, driving in city traffic, busy highways, and mountainous roads, with only occasional human intervention. The...

A University of California, San Diego technology that significantly reduces the amount of energy wasted by chips in electronic devices has recently passed the trillion watt-hour milestone...

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