Bruce Wessels wants to increase the data transmission connection on your computer. The Northwestern University professor of material science and engineering patented a device and material for integrated optic circuits. He says his thin-film electro-optical modulator provides a faster way to transmit information. Wessels uses a metal-organic molecular beam epitaxy apparatus for the thin-film deposition. In addition to the modulators, Wessels and associate professor Seng-Tiong Ho developed wave guides and optical amplifiers using ferroelectric material. They point out that bulk crystals used in optical circuits now have limits and their thin film is superior because it enables high-speed operations with low voltage for less expense. The researchers demonstrated that their thin-film modulators work at frequencies up to 20 gigahertz. SVT Associates is working with Wessels to develop and commercialize the technology. For more information, go to www.northwestern.edu.
Researchers at the University of Maryland have achieved a first in lithium-ion battery science: the development of a successful lithium-based battery using one material for all three core components of a battery -- anode, cathode, and electrolyte.
The online Bar Steel Fatigue Database for automotive design engineers has been updated for the fifth time and now contains 134 iterations, or grade/process combinations. It provides better predictability for designing parts with long-term reliability and durability.
FPGAs use programmable fabric to create custom logic, but this flexibility comes at a cost -- usually around 10 times more silicon real estate and 10 times the power dissipation. Can we really claim any FPGA is low power?
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