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Frequency-Selective Topological Wave Switches Using Anti-Resonance Control
This technology is a materials-based method of controlling acoustic wave propagation using anti-resonance control. By integrating phase-change inclusions into acoustic metamaterials, this technology provides a material that allows bidirectional signal transport at certain frequencies and only unidirectional transport at other specific anti-resonance...
Published: 4/15/2026
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Updated: 2/2/2026
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Inventor(s): Samarjith Biswas, Pierre Deymier, Keith Runge, Pierre Lucas
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics
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Topological Acoustics based Radio Frequency Surface Acoustic Wave Devices
This invention proposes a sound-acoustic wave (SAW) device that integrates topological acoustics and phase change materials to enable a new generation of reconfigurable SAW devices. The purpose of these devices is to enhance the high quality factor using the footprints of existing devices, but without sacrificing transmittivity. This invention integrates...
Published: 8/25/2025
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Updated: 8/25/2025
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Inventor(s): Pierre Deymier, Farrukh Najmi, Keith Runge, Zafer Mutlu, Krishna Muralidharan, Pierre Lucas, Howard Yawit, Andrea Alu
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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Systems and Methods for Producing Reconfigurable Non-Volatile Acoustic Devices
This innovation introduces a new class of fully reconfigurable, non-volatile acoustic devices that utilize phase change materials (PCMs) to create tunable patterns for controlling acoustic wave propagation. Unlike traditional acoustic components, which are fixed in function due to static material properties, this technology enables endless reconfiguration...
Published: 8/25/2025
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Updated: 8/25/2025
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Inventor(s): Pierre Lucas, Pierre Deymier
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Fullerene Assemblies with Tunable Shapes and Electrical and Ionic Conductivity for use as Battery Electrolytes and Other Applications
This technology is a self-assembling manufacturing process for post manufacture fullerene processing. This method is used to control the shape (rods or flower/fractal) and conductivity. Such materials can be used solid-state electrolytes and components of electrodes and can be doped with alkali metals and has the potential to replace Li diffusion film...
Published: 8/1/2024
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Updated: 12/6/2017
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Inventor(s): Krishna Muralidharan, Srini Raghavan, Palash Gangopadhyay, Pierre Lucas
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Energy Collection, Storage & Battery, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing
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