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Frequency mixer having ferromagnetic film

United States Patent

9,300,251
March 29, 2016
View the Complete Patent at the US Patent & Trademark Office
A frequency conversion device, which may include a radiofrequency (RF) mixer device, includes a substrate and a ferromagnetic film disposed over a surface of the substrate. An insulator is disposed over the ferromagnetic film and at least one microstrip antenna is disposed over the insulator. The ferromagnetic film provides a non-linear response to the frequency conversion device. The frequency conversion device may be used for signal mixing and amplification. The frequency conversion device may also be used in data encryption applications.
Khitun; Alexander (Los Angeles, CA), Roshchin; Igor V. (San Diego, CA), Galatsis; Kosmas (Torrance, CA), Bao; Mingqiang (Los Angeles, CA), Wang; Kang L. (Santa Monica, CA)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (Oakland, CA)
12/ 049,040
20080224740
March 14, 2008
FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT This invention was made with government support under DE-FG03-87ER45332, awarded by the United States Department of Energy. The government has certain rights in the invention.