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SMI Receives $750k Funding for New Class of Radio Frequency (RF) Filters for up to Ka Band

Oct 7 2008

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Structured Materials Industries, Inc. announced today that it had received Phase II funding from the Army Research Office to develop a new class of compact, efficient, voltage-tunable, radio frequency (RF) filters, for use up to the Ka band (26 to 40 GHz).

The filters are based on thin films of the tunable dielectric material barium-strontium-titanate BaxSr1-xTiO3 (BST). Functional grading of the Ba/Sr content in the films allows for maximum tunability and temperature stability of the BST films.

SMI is working with several university partners in this program, including the University of Connecticut, Drexel University and the University of Colorado at Colorado Springs. This team will develop both the computational tools for the filter design and the process technology for the filter fabrication. The tunable RF device technology resulting from this effort will enable compact, efficient and low-cost systems for military communications and radar. The technology will also benefit civilian communications and data systems.

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