Company Filing History:
Years Active: 2013-2018
Title: Gregory Riou: Innovator in Composite Structures
Introduction
Gregory Riou is a notable inventor based in Crolles, France. He has made significant contributions to the field of composite structures, holding a total of 4 patents. His innovative methods focus on enhancing the bonding processes in composite materials, which are crucial for various applications in technology and manufacturing.
Latest Patents
One of Gregory Riou's latest patents is a method for producing a composite structure with metal/metal bonding. This method involves the direct bonding of at least one first wafer with a second wafer, incorporating a step to initiate the propagation of a bonding wave. The bonding interface between the wafers is designed to maintain a bonding energy of less than or equal to 0.7 J/m. The initiation of the bonding wave occurs under specific conditions, such as maintaining a pressure of less than 20 mbar or applying mechanical pressure between 0.1 MPa and 33.3 MPa. Additionally, the method includes determining the stress level induced during the bonding process, which is calculated using a specific formula.
Another significant patent involves temporary substrates and production methods. These temporary substrates are designed with a bonding surface prepared to receive an additional substrate for transferring a thin layer. The substrates consist of a principal part or support with a surface layer that contains inserts made from materials with differing coefficients of thermal expansion. This innovation is essential for improving the efficiency of substrate transfer processes.
Career Highlights
Gregory Riou is currently employed at Soitec, a company known for its advancements in semiconductor materials and technologies. His work at Soitec has allowed him to focus on developing innovative methods that enhance the performance and reliability of composite structures.
Collaborations
Throughout his career, Gregory has collaborated with notable colleagues, including Didier Landru and Ionut Radu. These collaborations have contributed to the advancement of technologies in the field of composite materials.
Conclusion
Gregory Riou's contributions to the field of composite structures through his innovative patents and work at Soitec highlight his role as a significant inventor. His methods for improving bonding processes are paving the way for advancements in various technological applications.