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High Field Superconducting Magnets
Active Response Gravity Offload and Method
Strat-X
Sonar Inspection Robot System
Lightweight Internal Device to Measure Tension in Hollow- Braided Cordage
System, Apparatus, and Method for Pedal Control
Dust Tolerant Connectors
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Event Alert

NASA Tech Briefs and the Voice of the Customer Institute Announce National Seminar Series for June 2007 NASA Tech Briefs and the Voice of the Customer Institute recently announced a joint agreement to conduct a series of national seminars on the Voice of the Customer. This discipline helps businesses identify and prioritize customer needs, while training employees to conduct exercises to obtain this information independently. The results include streamlined product development, improved communication, and increased customer service & retention. The seminar series will be held in six markets throughout the month of June in Boston, Cleveland, Houston, Los Angeles, Denver, and NYC. To view a complete list of dates and cities and to register, please click here.

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White Paper

The Thermal Management Imperative in Avionics and Defense Electronics Still using duct tape and cardboard to predict thermal gotchas? Got a PhD thermal specialist stashed in the backroom? That ain't gonna cut it anymore. Read this eight-page report and learn to build thermal management into your corporate DNA.

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Current Attractions

Measure Foundry(R) 5.0 test and measurement software from Data Translation, (Marlboro, MA) was named NTB's Product of the Month for May. The software offers open support of all system standards, including VISA, SCPI, GPIB, USB, PCI, LXI, PXI/VXI, and RS-232. The application builder software enables users to graphically combine various test and measurement instruments without writing code to create process control and data analysis applications. The software uses drag-and-drop components such as oscilloscopes and chart recorders that are placed on a form and then configured with their property pages.

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Tech Needs of the Week

A high-birefringence optical material is needed suitable for implementation in optical systems. The material also should feature high hardness making it amenable to standard polishing and manufacturing processes, low CTE (coefficient of thermal expansion), low CTRI (coefficient of thermal refractive index), low absorption at 1.55 micrometers, and reasonable bulk density. To respond to this Tech Need, click here.

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Laser System



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Integrated Radial Probe Transition From MMIC to Waveguide

Packaging based on wire bonding would be supplanted by monolithic integration. A radial probe transition between a monolithic microwave integrated circuit (MMIC) and a waveguide has been designed for operation at frequency of 340 GHz and to be fabricated as part of a monolithic unit that includes the MMIC. Integrated radial probe transitions like this one are expected to be essential components of future MMIC amplifiers operating at frequencies above 200 GHz. While MMIC amplifiers for this frequency range have not yet been widely used because they have only recently been developed, there are numerous potential applications for them — especially in scientific instruments, test equipment, radar, and millimeter- wave imaging systems for detecting hidden weapons.

Posted in: Briefs, TSP, Semiconductors & ICs

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MMIC Amplifier Produces Gain of 10 dB at 235 GHz

This is the fastest MMIC amplifier reported to date. The first solid-state amplifier capable of producing gain at a frequency >215 GHz has been demonstrated. This amplifier is an intermediate product of a continuing effort to develop amplifiers having the frequency and gain characteristics needed for a forthcoming generation of remote-sensing instruments for detecting water vapor and possibly other atmospheric constituents. There are also other potential uses for such amplifiers in wide-band communications, automotive radar, and millimeter- wave imaging for inspecting contents of opaque containers.

Posted in: Briefs, TSP, Semiconductors & ICs

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