"Star Trek" Medicine

Engineers at the University of Washington are working with doctors at the Harborview Medical Center to create a Star Trek-like "tricorder" device using high-intensity focused ultrasound rays to seal punctured lungs. A lung is essentially a collection of air sacs, and air blocks transmission of ultrasound. But experiments...

Innovate and Win!

Your unique invention could win you $20,000 or other great prizes. Enter your design idea in the 2007 Create the Future Design Contest, presented by SolidWorks Corp. and NASA Tech Briefs. Entries are being accepted in six categories: Machinery, Equipment, and Component Technology; Consumer Products; Medical; Safety and...

New ET Advertisers

This monthly review lets you "meet" the new advertisers appearing in Embedded Technology. Here's a sneak peek at the products, services, and offers available from September's first-time advertiser:

Quadros Systems (Houston, TX) offers a suite of RTOS-agnostic stacks, class drivers, and device drivers for USB development...

Current Attractions

Embedded Technology (ET) magazine features board-level electronics and COTS solutions for design engineers, as well as a variety of product offerings.

In medical imaging, data samples are taken from devices such as magnetic resonance imaging (MRI) or computer tomography (CT) scanners and translated into 2D, 3D, or 4D...

Techs of the Week

This innersole/liner increases foot stability and comfort, and decreases certain sport-specific injuries including plantar fasciitis, calcaneal apophysitis, and inversion - lateral/ankle - sprains. It decreases pronation and is designed to be included with and enhance an athletic shoe.

Click here to respond to this Tech...

Energy-Saving Roof

A new roof and attic system being developed by the Department of Energy's Oak Ridge National Laboratory (ORNL) could reduce homeowners' utility bills by eight percent or more. Active thermal mass components, reflective pigments and coatings, subventing, radiant barriers, and other techniques are all being tested by ORNL's...

Products : Electronics & Computers
Low Power 65nm FPGA

Altera Corporation (San Jose, CA) announced the shipment of the EP3C120, the largest member of its new low-cost 65nm Cyclone® III FPGA family. Leveraging Taiwan Semiconductor Manufacturing Company's (TSMC's) 65-nm low-power (LP) process, Cyclone III FPGAs offer low power, a rich supply of logic (5K to 120K logic elements),...

Phantom® V7.3

Vision Research, Wayne, NJ, has introduced an upgraded version of the Phantom® V7.3 digital high-speed camera that allows users to capture 500,000 pictures per second. The camera has two operating modes. In standard mode, users can capture images between 6,700 frames per second (fps) and 190,000 fps, and can adjust exposure...

Who's Who
Douglas A. Comstock, Director, NASA's Innovative Partnerships Program (IPP)

NASA's IPP provides leveraged technology for NASA's mission directorates, programs, and projects through investments and technology partnerships with industry, academia, government agencies, and national laboratories. As IPP Director, Doug Comstock also is responsible...

Techs for License
Diagnostic Pattern Recognition Using Mid-IR Spectroscopy

By applying mid-infrared spectroscopy to bodily fluids, this suite of technologies offers the potential for quick, accurate, and inexpensive diagnostic support for a variety of diseases in humans or animals. Every disease or condition results in quantitative imbalances in the “normally...

Techs for License
Precision Feedback-Controlled Laser Drilling for Fluid Flow Apertures

This technology provides a method of laserdrilling any component under the control of real-time feedback to provide for predictable, calibrated fluid flow through one or an array of holes formed in the component. The technique can improve flow control through a machined part...

NASA Tech Needs
Solar-Based Hydrogen Generation Technology

A company seeks to increase the efficiency of solar-based hydrogen generation systems by device technologies that can help to develop a new module with at least 16% solar energy utilization efficiency. Examples include the Z-scheme method and tandem type, which has achieved a Solar Energy Utilization...

NASA Tech Needs
Making Metal Packaging Lighter

Because of increasing cost pressures on high-volume metal packaging, a manufacturer needs to make each unit weight of metal (steel and aluminum) go further. Technologies are sought that make metal packaging lighter and enhance the physical performance (like tensile strength, stiffness, etc). This could include, for...

Application Briefs : Sensors/Data Acquisition
New Testing Equipment Helps NASA Prepare for Telescope Launch
National Instruments
Austin, TX

NASA’s next-generation successor to the Hubble Space Telescope, the James Webb Space Telescope (JWST), features the Near Infrared Spectrograph (NIRSpec), which is equipped with more...

Application Briefs : Sensors/Data Acquisition
Spectroscopy of Planetary Systems Made Possible by Focal Plane Detector
NIRSpec STM Focal Plane Detector
ITT Corp.
White Plains, NY

The James Webb Space Telescope (JWST) is scheduled for launch in 2013 with the goal of discovering the first galaxies that formed in the early Universe. On...

Articles : RF & Microwave Electronics
GPS Receiver RF Front-End Enables Use of a Laptop PC for Soft Baseband Processing

Software techniques for use in the global positioning system (GPS)1,2 have recently captured the growing interest of communication and navigation engineers. Thanks to very-largescale integration (VLSI) development, powerful CPUs and DSPs are now capable...

Briefs : Materials
Coating Thermoelectric Devices To Suppress Sublimation

A technique for suppressing sublimation of key elements from skutterudite compounds in advanced thermoelectric devices has been demonstrated. The essence of the technique is to cover what would otherwise be the exposed skutterudite surface of such a device with a thin, continuous film of a...

Briefs : Materials
Rapid Fabrication of Carbide Matrix/Carbon Fiber Composites

Composites of zirconium carbide matrix material reinforced with carbon fibers can be fabricated relatively rapidly in a process that includes a melt infiltration step. Heretofore, these and other ceramic matrix composites have been made in a chemical vapor infiltration (CVI) process...

Briefs : Materials
Ultrahigh-Temperature Ceramics

Figure 1. Examples of UHTC Components areshown that have been tested in the NASA AmesArc Jet facility to evaluate the materialsresponse in a simulated reentry environment.The cone and wedge models are representativeof the scale and geometries anticipated for useon UHTC sharp leading-edge vehicles.Ultrahigh...

Briefs : Materials
Improved C/SiC Ceramic Composites Made Using PIP

Improved carbon-fiber- reinforced SiC ceramic-matrix composite (C/SiC CMC) materials, suitable for fabrication of thick-section structural components, are producible by use of a combination of raw materials and processing conditions different from such combinations used in the prior art. In...

Briefs : Materials
Coating Carbon Fibers With Platinum

A process for coating carbon fibers with platinum has been developed. The process may also be adaptable to coating carbon fibers with other noble and refractory metals, including rhenium and iridium. The coated carbon fibers would be used as ingredients of matrix/fiber composite materials that would resist...

Briefs : Materials
Nanorod-Based Fast-Response Pressure-Sensitive Paints

A proposed program of research and development would be devoted to exploitation of nanomaterials in pressuresensitive paints (PSPs), which are used on wind-tunnel models for mapping surface pressures associated with flow fields. Heretofore, some success has been achieved in measuring...

Briefs : Semiconductors & ICs
Microrectenna: A Terahertz Antenna and Rectifier on a Chip

A microrectenna that would operate at a frequency of 2.5 THz has been designed and partially fabricated. The circuit is intended to be a prototype of an extremely compact device that could be used to convert radio-beamed power to DC to drive microdevices (see Figure 1).

Briefs : Electronics & Computers
MCM Polarimetric Radiometers for Planar Arrays

A polarimetric radiometer that operates at a frequency of 40 GHz has been designed and built as a prototype of multiple identical units that could be arranged in a planar array for scientific measurements. Such an array is planned for use in studying the cosmic microwave background (CMB).

Briefs : Electronics & Computers
Two-Band, Low-Loss Microwave Window

A window for a high-sensitivity microwave receiving system allows microwave radiation to pass through to a cryogenically cooled microwave feed system in a vacuum chamber, while keeping ambient air out of the chamber and helping to keep the interior of the chamber cold. The microwave feed system comprises a...

Briefs : Electronics & Computers
WGM-Based Photonic Local Oscillators and Modulators

Photonic local oscillators and modulators that include whispering-gallery- mode (WGM) optical resonators have been proposed as power-efficient devices for generating and detecting radiation at frequencies of the order of a terahertz. These devices are intended especially to satisfy anticipated...

Briefs : Electronics & Computers
Aperture-Coupled Thin-Membrane L-Band Antenna

The upper part of the figure depicts an aperture-coupled L-band antenna comprising patterned metal conductor films supported on two thin polyimide membranes separated by an air gap. In this antenna, power is coupled from a microstrip line on the lower surface of the lower membrane, through a slot in...

Briefs : Electronics & Computers
Focal-Plane Arrays of Quantum-Dot Infrared Photodetectors

Focal-plane arrays of semiconductor quantum-dot infrared photodetectors (QDIPs) are being developed as superior alternatives to prior infrared imagers, including imagers based on HgCdTe devices and, especially, those based on quantum-well infrared photodetectors (QWIPs). HgCdTe devices...

Briefs : Electronics & Computers
Laser Range and Bearing Finder With No Moving Parts

A proposed laser-based instrument would quickly measure the approximate distance and approximate direction to the closest target within its field of view. The instrument would not contain any moving parts and its mode of operation would not entail scanning over of its field of view. Typically,...

Briefs : Electronics & Computers
Miniature L-Band Radar Transceiver

A miniature L-band transceiver that operates at a carrier frequency of 1.25 GHz has been developed as part of a generic radar electronics module (REM) that would constitute one unit in an array of many identical units in a very-large-aperture phased-array antenna. NASA and the Department of Defense are...


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