Roland Queriaud

Title: Roland Queriaud: Innovator in Power Electronics Bonding Methods

Introduction

Roland Queriaud is a notable inventor based in Brétigny-sur-Orge, France. He has made significant contributions to the field of power electronics through his innovative methods. His work focuses on enhancing the efficiency and reliability of electronic components.

Latest Patents

Queriaud holds a patent for a method of bonding copper to a heat-conducting and electrically insulating power electronics substrate. This substrate is made of a non-oxide ceramic selected from materials such as AlN, SiC, and BN. The patented method involves oxidizing the surface of the substrate and then directly bonding copper to this oxidized surface. The oxidation process is achieved by irradiating the surface with a laser beam to a thickness ranging from 0.1 µm to 3 µm.

Career Highlights

Queriaud is associated with the company Société Anonyme Dite Alcatel Alsthom Compagnie Générale d'Électricité, where he has contributed to various projects in the field of power electronics. His expertise in bonding techniques has positioned him as a valuable asset in the industry.

Collaborations

Queriaud has worked alongside his coworker Alain Petitbon, collaborating on projects that aim to advance the technology in power electronics. Their combined efforts have led to innovative solutions that enhance the performance of electronic devices.

Conclusion

Roland Queriaud's contributions to the field of power electronics through his patented bonding method demonstrate his commitment to innovation. His work continues to influence the development of efficient electronic components.