This inventor holds 1 USPTO granted patent. Top assignee: Thomson-Csf. Active years: 2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2001
Title: Sylvain Ballandras: Inventor of a Low-Loss Surface Acoustic Wave Filter
Introduction
Sylvain Ballandras is an inventor associated with Avanne-Aveney, France. His work includes a patent for a surface acoustic wave filter designed to reduce signal loss.
Latest Patents
The provided information lists 1 patent for Ballandras: “Low-Loss Surface Acoustic Wave Filter on Quartz Substrate with Optimized Cut.” The invention defines a range of quartz-substrate cutting angles and wave-propagation directions that can produce high reflection coefficients in the filter’s electrodes. These parameters are key to the filter’s design.
Career Highlights
Ballandras is associated with Thomson-CSF. His patented work focuses on optimizing quartz substrate characteristics for surface acoustic wave filter performance.
Collaborations
His listed coworkers include Emmanuelle Briot and Marc Solal.
Conclusion
Sylvain Ballandras’s patent describes how carefully selected quartz cuts and wave-propagation directions can support a low-loss surface acoustic wave filter.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile