Georgia Tech Professor of Electronics James Gole has an idea that may reduce the voltage consumption of biomedical sensors. He uses porous silicon and a unique metallization process for a new sensor that detects gaseous compounds. Unlike other sensors based on porous silicon, Gole and his collaborators reduce the resistance of the electrodes built into the silicon, allowing the sensor to operate between 1 and 10 millivolts. "It operates on a voltage much less than that of a watch battery," says Gole. "It is small enough to be taken into the field with a troop contingent or any other group concerned about the presence of harmful gases." The sensor is based on a silicon wafer and operates at room temperature. It is manufactured using integrated circuit production techniques. Gole says the sensor could be integrated into electronic equipment and used for making sensing arrays. For more information, call Gole at (404) 894-4029 or send e-mail to email@example.com.
A new method of modeling how they are created with chemical vapor deposition (CVD) could reduce the cost of carbon nanostructures used for for research and commercial applications, including advanced sensors and batteries.
BMW has already incorporated more than 10,000 3D-printed parts in the Rolls-Royce Phantom and intends to expand the use of 3D printing in its cars even more in the future. Meanwhile, Daimler has started using additive manufacturing for producing spare parts in Mercedes-Benz Trucks.
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