University of Hyderabad Conferred with Two Patents; Check Details Here

New Delhi: Two professors from the University of Hyderabad, KC James Raju and V Seshubai have acquired a patent for their invention “A method for preparing dielectric resonators of arbitrary shapes”. Apart from the professors, the team also included researchers and UoH School of Pysics students T Anil and Swarup Raju.

The newly invented method will realise 3D microwave radiating structures with low loss dielectrics without the constraint of geometry. Radiation patterns are governed by the laws of physics and present-day communication requirements demand all sorts of radiation patterns, the university said. Three-dimensional solid structures with appropriate dielectric materials can meet that requirement provided there is a means to shape such materials into some desired geometries which are often complex, it added.

This technique allows high temperature ceramics to be shaped into any 3D geometric structures through a gel casting route. They help in realising miniaturised antennas suitable for emerging communication applications.

The second patent was granted to an invention named ‘Laser-based method to crystalise ferroelectric thin film at 300ºC temperatures for tunable microwave devices”. This laser- based method was invented by KC James Raju and his team at CASEST, School of Physics.

By the invention, scientists and researchers can now reduce the crystallisation temperature of some functional thin film materials meant for microwave device applications from 700 to 300C, the university said.This makes the process compatible with a variety of hitherto restricted situations, which are very important to making important microwave devices for next-generation communication technologies, said a senior officer.

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