BM (Armonk, N.Y.) and Georgia Tech (Atlanta) claimed that they have demonstrated the first silicon-based chip capable of operating at frequencies above 500-GHz by cryogenically “freezing” the circuit to 451 degrees below zero Fahrenheit (4.5 Kelvins). The chips used in the research are from a prototype fourth-generation SiGe technology fabricated by IBM on 200-mm wafers. At room temperature, the circuits operated at approximately 350-GHz.
“For the first time, Georgia Tech and IBM have demonstrated that speeds of half a trillion cycles per second can be achieved in a commercial silicon-based technology, using large wafers and silicon-compatible low-cost manufacturing techniques,” said John Cressler, Byers Professor in Georgia Tech’s School of Electrical and Computer Engineering, and a researcher in the Georgia Electronic Design Center (GEDC) at Georgia Tech, in a statement.
Ultra-high-frequency SiGe circuits have potential applications in commercial communications systems, defense electronics, space exploration and remote sensing. The research could make possible a new class of powerful, low-energy chips that will deliver futurist applications like HDTV and movie-quality video to cell phones, automobiles and other devices.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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