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Articles: Lighting

The beginning of the 21st century finds optoelectronics being one of the key disciplines on technological development. Substantial progress in computer technology, communication, imaging, illumination...

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Articles: Lighting

One of the most pervasive challenges in the world today is increasing energy efficiency. The consumer electronics industry is evolving towards higher efficiency due to newer and stricter energy...

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Briefs: Lighting

InfiniLED’s latest MicroLEDs (μLEDs) have produced record optical beam intensity. This new device is capable of producing up to 1mW of light from a single 20μm pixel at 405nm. This is...

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Articles: Electronics & Computers
Tobii Technology
Tobii REX
www.tobii.com

Users of the Tobii Technology REX, a USB-connected peripheral, may want to be careful about rolling their eyes. REX, a device that...

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Articles: Electronics & Computers
Grid-X Cloud and Smartphone Accelerator James Awrach
SeaFire Micros, Beverly, MA

Supercomputers are linked worldwide, creating ultra-highperformance cloud, utility, and...

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Articles: Lighting Technology

The solid-state lighting industry continues to develop LEDs with higher lumens per watt, in alignment with Haitz Law, which states that the cost per lumen falls by a factor of 10 every decade...

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Briefs: Materials
Electrochemical Ultracapacitors Using Graphitic Nanostacks

Electrochemical ultracapacitors (ECs) have been developed using graphitic nanostacks as the electrode material. The advantages of this technology will be the reduction of device size due to superior power densities and relative powers compared to traditional activated carbon electrodes....

Articles: Imaging

Auto-fluorescent proteins have become an indispensible tool for cell biology research over the past decade. Originating from sea creatures such as jellyfish and sea...

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Articles: Lighting

As lighting technologies transition from power-hungry incandescents to coldcathode fluorescent lamps (CCFLs), and now to light-emitting diodes (LEDs), it is clear that while end-users are...

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Application Briefs: Imaging

For five years, Michael Lunoe, President of Zorg Industries, had been in need of a camera system that could identify objects and provide accurate distance from the rear of a vehicle.

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Articles: Lighting

Glass and transparent plastics, especially acrylic resins, have long been used in the lighting industry for various aesthetic and functional purposes. As the industry has evolved,...

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Articles: Robotics, Automation & Control

Jet Propulsion Laboratory (JPL), a division of the California Institute of Technology, is a Federally Funded Research and Development Center (FFRDC) of NASA. The Laboratory has a wide-ranging charter for solar...

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Briefs: Materials
Optimized Li-Ion Electrolytes Containing Fluorinated Ester Co-Solvents

A number of experimental lithium-ion cells, consisting of MCMB (meso-carbon microbeads) carbon anodes and LiNi0.8Co0.2O2 cathodes, have been fabricated with increased safety and expanded capability. These cells serve to verify and demonstrate...

Application Briefs: Electronics & Computers

A lot has been written about Moore's Law and the potential limitations of semiconductor design and manufacturing in the future. Can we really continue to double the...

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Briefs: Electronics & Computers

A digital receiver in a 1.26-GHz spaceborne radar scatterometer now undergoing development includes a module for detecting radio-frequency interference (RFI) that could contam-inate...

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Articles: Imaging

With increased digitalization in the field of industrial image processing, the industry sometimes rashly writes off conventional technologies. In actuality, many...

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Briefs: Electronics & Computers
Compact Low-Loss Planar Magic-T

This design allows broadband power combining with high isolation between the H port and E port, and achieves a lower insertion loss than any other broadband planar magic-T. Passive micro wave/millimeter-wave signal power is combined both in-phase and out-of-phase at the ports, with the phase error being less than...

Articles: Electronics & Computers

In the electronics industry today there are two commonly used high-speed memory types: static RAM (SRAM) and dynamic RAM (DRAM). Traditionally, SRAM embedded memory has been the designer's choice for fast memory, but since a typical...

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Application Briefs: Photonics/Optics

As the volume of consumer electronics increases, semiconductor fabrication plants are manufacturing larger and larger wafers to handle the demand (e.g., 300 mm substrates). The escalating...

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Articles: Imaging

The multi-billion-dollar display market has grown to encompass everything from notebook PCs to desktop monitors, televisions, cell phone displays, and much more. As the...

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Articles: Electronics & Computers

The term embedded database was coined in the 1980s to mean a database management system (DBMS) that is embedded into an application, in contrast to large central...

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Briefs: Electronics & Computers

As high-end electronics become more and more pervasive, reliability and the need to minimize failure are top priorities for many manufacturers....

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Briefs: Photonics/Optics

There has long been a desire to deposit conductive paths directly on molded plastic structures, combining the electrical and mechanical functions in one...

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Briefs: Photonics/Optics

Specially formulated diffusion filter materials have successfully optimized the legibility of miniature display viewing areas, providing brighter and more enhanced images for a...

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Briefs: Materials

High-energy-density alkaline electrochemical capacitors based on electrodes made of transition-metal nitride nanoparticles are undergoing development. Transition-metal nitrides (in...

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Briefs: Electronics & Computers
Micromachined Photodiode/Bolometer Arrays

Micromachined planar arrays of detectors that could operate either as photodiodes or as bolometers have been proposed for use in detecting photons in applications in which broad spectral responses are required. The availability of either of the two modes would enable operation throughout the spectrum,...

Briefs: Electronics & Computers
Development of Circuitry for Wristband Radio Transponders

A document proposes the development of several alternative types of electronic circuits for wristband transponders for the system described in "Person-Locator System Based on Wristband Radio Transponders" (NPO-19280) NASA Tech Briefs, Vol. 19, No. 12 (December 1995), page 40. To...

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