Tech Exchange

Multi-Purpose Split-Duct System for Cables

The cable industry uses cylindrical one-piece ducting, but installing cables in such a duct is labor-intensive, difficult, time-consuming, and expensive. This split-duct system features a patented extrusion manufactured from highimpact ABS plastic. The duct sections are hinged together along a longitudinal edge with an integral hinge and “snap” closing system. The system is placed in a trench in a “double-U” configuration and the cables are then laid into the duct. Once the cables are laid, the other half of the ducting system snaps into place, locking the two halves firmly together. The ducting system can also be placed above ground or in ceilings, and comes in a standard length of 3 meters, including bends, tees, and offset sections. Get the complete report on this technology at: Email: nasatech@yet2.com Phone: 781-972-0600

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Cargo Drop Air Delivery System

The ADCA aerial delivery system reduces cargo loading time, is safe for fragile cargo, and allows loading and unloading to be performed by one person (no special training required). The drop container is designed with a tubular frame, padding materials, a shock-absorbing cushion, and side and bottom air bags to withstand impact as it drops to the ground so that the box remains intact and secure. All types of aerial drops (high/low velocity) are possible, and the system is compatible with existing ranges of parachutes. ADCA is very stable, and highly targeted aerial drops can be achieved due to a weighted-bottom feature. The ADCA system comes as a single unit with no parts to assemble and a single unit may be used repeatedly. Applications include humanitarian aid and relief efforts, and resupplying military troops in hostile territory.

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Non-Damaging Cell Wall Defrosting Method and Apparatus

A defrosting technology was developed to protect cell walls and the quality of frozen products during defrosting. Potential applications include the medical and pharmaceutical industries, cosmetic materials, and foods. The system seldom breaks cell walls because of its quick temperature rising and its high-level uniform heating. In the frozen food field, this system can prevent dripping, and loss of quality and nutrition.

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Embedded Antenna for Cellular Phones

900/ 1800/ 1900/ 2200 MHz & Bluetooth. Advanced, patented antenna technology for high-performance cellular phones. This miniaturized antenna is designed for embedding into mobile telephones to provide maximum reception and reliability. It allows packing high performance and reliability into a tiny package based on surface mount technology (SMT). Higher gain achieved through Leaky Wave optimization. Advantages include low profile, high sensitivity, omni- directional, wide bandwidth, lightweight, and miniature size.

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27MHz Embedded Antenna for RF Mouse

Tiny antenna with huge capabilities. Advanced, patented antenna technology easily embedded into a wide range of products including wireless mouse, RF keyboard, gamepads, etc. It allows packing high performance and reliability into a small package and higher gain achieved through Leaky Wave optimization.

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Opportunity to Collaborate in a New CNT Array Adhesion Tape

A US government funded company is seeking industry support for further testing and development of its carbon nanotube (CNT) adhesive. The time frame for testing is the 3th quarter of 2007.

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Reusable Adhesive Thermal Interface Material (TIM) To Improve the Contact Thermal Conductance

Current TIM technologies include thermal greases or pastes, phase change materials, solders and thermally conductive adhesive tapes. The thermal conductivity of the best thermal greases available in the market are on the order of 10^5 W/m^2 -K. However, thermal greases, which are single use applications, are oily so their utilization is messy, making them difficult to apply in a thin, uniform coat. This reusable technology employs vertically aligned carbon nanotubes (CNTs) to bridge the interfaces. By using a CNT array as dry interface material, his technology can perform as a thermally conductive tape that provides not only good thermal conducting ability but also strong mechanical bonding between the mating surfaces. It has been shown that a small fraction of CNTs as filling material could induce a 125% enhancement in thermal transport. This interface material can be directly applied to any interface that needs high thermal conductivity.

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