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Briefs: Mechanical & Fluid Systems
A design concept for a beam for a specific application permits variations and options for satisfying competing requirements to minimize certain deflections under load and to minimize the...
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Products: Electronics & Computers
Lantronix (Irvine, CA) has introduced the DeviceLinx™ XChip™ family of fully turnkey, networking coprocessor system-on-chip (SoC) solutions. The SoC family enables original equipment...
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Briefs: Mechanical & Fluid Systems
Figure 1 depicts an experimental inchworm- type linear microactuator. This microactuator is a successor to the one described in "MEMS-Based Piezoelectric/ Electrostatic Inchworm Actuator" (NPO- 30672), NASA...
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Products: Electronics & Computers
Amtel® Corporation (San Jose, CA) offers the CryptoMemory® family of EEPROMs with a 64-bit embedded hardware encryption engine, four sets of non-readable 64-bit authentication keys, and four sets of non-readable 64-bit...
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Briefs: Medical
When Spinal USA, a manufacturer and distributor of advanced surgical spinal products, designed a new series of spinal implants called vertebral body replacement...
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Products: Electronics & Computers
MEN Micro Inc. (Boston, MA) has expanded its series of intercompatible CompactPCI/-Express single board computers (SBCs) with a new 64-bit board based on the Intel® Core™2 Duo Processor T7500 combined with...
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Briefs: Physical Sciences
An improved thermal modulator has been invented for use in a variant of gas chromatography (GC). The variant in question — denoted as two-dimensional gas chromatography (2DGC) or GC-GC...
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Briefs: Physical Sciences
An experimental nuclear-spin gyroscope is based on an alkali-metal/noblegas co-magnetometer, which automatically cancels the effects of magnetic fields. Whereas the performances of prior...
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Briefs: Physical Sciences
A method is being developed for utilizing readings of an ion-mobility spectrometer (IMS) to estimate molecular masses of ions that have passed through the spectrometer. The method...
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Briefs: Information Technology
Algorithm Optimally Orders Forward-Chaining Inference Rules
People typically develop knowledge bases in a somewhat ad hoc manner by incrementally adding rules with no specific organization. This often results in a very inefficient execution of those rules since they are so often order sensitive. This is relevant to tasks like Deep Space Network in...
Briefs: Information Technology
Project Integration Architecture
The Project Integration Architecture (PIA) is a distributed, object- oriented, conceptual, software framework for the generation, organization, publication, integration, and consumption of all information involved in any complex technological process in a manner that is intelligible to both computers and humans. As...
Books & Reports: Physical Sciences
Multiple-Cone Sunshade for a Spaceborne Telescope
A document describes a sunshade assembly for the spaceborne telescope of the Terrestrial Planet Finder Coronagraph mission. During operation, the telescope is aimed at target stars in the semi-hemisphere away from the Earth's Sun. The observatory rotates about its pointing axis during a single star...
Books & Reports: Electronics & Computers
High Power Amplifier and Power Supply
A document discusses the creation of a high-voltage power supply (HVPS) that is able to contain voltages up to –20 kV, keep electrical field strengths to below 200 V/mil (≈7.87 kV/mm), and can provide a 200- nanosecond rise/fall time focus modulator swinging between cathode potential of 16.3 kV and –19.3...
Books & Reports: Physical Sciences
Estimating Mixing Heights Using Microwave Temperature Profiler
A paper describes the Microwave Temperature Profiler (MTP) for making measurements of the planetary boundary layer thermal structure — data necessary for air quality forecasting as the Mixing Layer (ML) height determines the volume in which daytime pollution is primarily concentrated....
Briefs: Photonics/Optics
Assemblies containing curved piezoceramic fiber composite actuators have been invented as means of stretching optical fibers by amounts that depend on applied drive voltages....
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Articles: Photonics/Optics
Broad-area laser diodes are the most efficient coherent light sources and are widely used today. The extraordinary efficiency, modulation...
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Application Briefs: Photonics/Optics
Light beam homogenizer designs used for decades are largely based upon lenticular lens arrays that date back to the 1940s and 1950s. A more recent design is from the late 1980s that comprises a pair of...
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Briefs: Photonics/Optics
Optical Displacement Sensor for Sub-Hertz Applications
A document discusses a sensor made from off-the-shelf electro-optical photo-diodes and electronics that achieves 20 nm/(Hz)1/2 displacement sensitivity at 1 mHz. This innovation was created using a fiber-coupled laser diode (or Nd:YAG) through a collimator and an aperture as the illumination...
Briefs: Photonics/Optics
Since their market introduction in 1995, fiber Bragg gratings (FBGs) [wherein “fiber” signifies optical fiber] have emerged as excellent means of measuring such parameters as strain and...
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Briefs: Photonics/Optics
The use of piezoelectric devices has become widespread since Pierre and Jacques Curie discovered the piezoelectric effect in 1880. Examples of current applications of piezoelectric devices...
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Briefs: Photonics/Optics
The figure schematically depicts two versions of an opto-electronic system, undergoing development at the time of reporting the information for this article, that is expected to be...
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Briefs: Photonics/Optics
The figure depicts a breadboard version of an optical beam combiner that makes it possible to use the outputs of any or all of four multimode laser diodes to pump a non-planar ring...
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Briefs: Photonics/Optics
Web-Enabled Optoelectronic Particle-Fallout Monitor
A Web-enabled optoelectronic particle-fallout monitor has been developed as a prototype of future such instruments that (l) would be installed in multiple locations for which assurance of cleanliness is required and (2) could be interrogated and controlled in nearly real time by multiple remote...
Products: Photonics/Optics
View these and other new products on display by exhibitors at Photonics West, January 22-24, in San Jose, CA. Visit Photonics Tech Briefs at Booth 1437.Visit http://spie.org/x2584.xml for more information.
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News: Aerospace
This year, NASA celebrates its 50th anniversary, which will be observed on October 1. All year, NASA Tech Briefs will join in the celebration, highlighting technology innovations and epic moments in NASA...
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Articles: Software
CAD software has come a long way in terms of ease of use, interoperability, speed, and capabilities. But there is still a long way to go. We spoke to executives at leading CAD software companies to find...
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Application Briefs: Sensors/Data Acquisition
Remote Voltage Sensor Quasar Federal Systems San Diego, CA 858-228-3386 www.quasarusa.com Electrostatic charges impact the safety of both workers and...
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Application Briefs: Sensors/Data Acquisition
RTAX-S field-programmable gate arrays (FPGAs) Actel Mountain View, CA 650-318-4200 www.actel.com Actel’s RTAX-S field-programmable gate arrays (FPGAs) are aboard...
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Ask the Expert

Ralph Bright on the Power of Power Cords
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Understanding power system components and how to connect them correctly is critical to meeting regulatory requirements and designing successful electrical products for worldwide markets. Interpower’s Ralph Bright defines these requirements and explains how to know which cord to select for your application.

Inside Story

Inside Story: Trends in Packaging and Sterilization
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Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.