Sylvain Ballandras

Title: Sylvain Ballandras: Innovator in Acoustic Wave Technology

Introduction

Sylvain Ballandras is a prominent inventor based in Besançon, France. He has made significant contributions to the field of acoustic wave technology, holding a total of 10 patents. His innovative work focuses on developing advanced sensor devices and filter structures that utilize surface acoustic waves.

Latest Patents

Among his latest patents, Ballandras has developed a differential acoustic wave sensor. This device comprises an interdigitated transducer, with a first reflection structure on one side and a second reflection structure on the other. It features two resonance cavities, each with distinct upper surfaces, allowing for enhanced sensitivity and performance. Another notable patent is the resonant cavity surface acoustic wave (SAW) filter. This filter structure employs a guided surface acoustic wave and includes input and output transducer structures with inter-digitated comb electrodes. The design incorporates reflecting structures and can utilize a composite substrate, enhancing its functionality.

Career Highlights

Throughout his career, Sylvain Ballandras has worked with notable companies such as Soitec and Frec'n'sys. His experience in these organizations has allowed him to refine his expertise in acoustic wave technologies and contribute to various innovative projects.

Collaborations

Ballandras has collaborated with several professionals in his field, including Thierry LaRoche and Eric Michoulier. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Sylvain Ballandras is a distinguished inventor whose work in acoustic wave technology has led to significant advancements in sensor and filter design. His contributions continue to influence the field and inspire future innovations.