Company Filing History:
Years Active: 2024-2025
Title: Andrei Mihaila: Innovator in Wide Bandgap Materials
Introduction
Andrei Mihaila is a notable inventor based in Rieden, Switzerland. He has made significant contributions to the field of power devices, particularly focusing on wide bandgap materials. With a total of three patents to his name, Mihaila's work is at the forefront of technological advancements in this area.
Latest Patents
Mihaila's latest patents include an insulated gate structure and a wide bandgap material power device, along with the manufacturing method thereof. The insulated gate structure features a wide bandgap material layer with a channel region of a first conductivity type. It includes a gate insulating layer that has a first nitride layer arranged directly on the channel region. Notably, the gate insulating layer maintains a concentration of carbon atoms that is less than 10 atoms/cm at a distance of 3 nm from the interface between the wide bandgap material layer and the first nitride layer.
Another significant patent is for a vertical silicon carbide power MOSFET and IGBT. This invention utilizes a 4H-SiC substrate of n+-type as the drain, with a 4H-SiC epilayer of n−-type acting as the drift region. The design incorporates a source region of p++-type, a well region of p-type, and a channel region of p-type, along with a contact region of n++-type implanted into the drift region. A metal gate is insulated from the source and drift region by a gate-oxide, enhancing the device's performance.
Career Highlights
Throughout his career, Mihaila has worked with prominent companies such as Hitachi Energy Ltd and Hitachi Energy Switzerland AG. His experience in these organizations has allowed him to refine his expertise in power devices and materials science.
Collaborations
Mihaila has collaborated with various professionals in his field, including his coworker Stephan Wirths. These collaborations have contributed to the development of innovative technologies and advancements in power device applications.
Conclusion
Andrei Mihaila's contributions to the field of wide bandgap materials and power devices are noteworthy. His patents reflect a commitment to innovation and excellence in technology. His work continues to influence advancements in the industry, showcasing the importance of research and development in creating efficient power solutions.