Alex Usenko

Title: Alex Usenko: Innovator in Semiconductor Technology

Introduction: Alex Usenko is a notable inventor based in O'Fallon, MO (US). He has made significant contributions to the field of semiconductor technology, particularly in the development of semiconductor-on-insulator structures. His innovative approach has led to advancements that are crucial for the manufacturing of high-performance electronic devices.

Latest Patents: Alex Usenko holds a patent for a "Handle substrate for use in manufacture of semiconductor-on-insulator structure and method of manufacturing thereof." This patent describes a method for preparing a high resistivity silicon handle substrate that incorporates thermally stable charge carrier traps. These traps are strategically placed near the buried oxide layer of the final semiconductor-on-insulator structure. The manufacturing process involves hydrogen ions implantation at varying energies, followed by a two-step thermal treatment. The resulting defect structure is stable at annealing temperatures of at least 1180°C and features a three-dimensional network of nano-cavities interconnected by dislocations. This innovative wafer can be utilized as a handle wafer for fabricating silicon-on-insulator (SOI) wafers and for the production of radio frequency (RF) semiconductor devices.

Career Highlights: Alex Usenko is currently associated with SunEdison Semiconductor Limited, where he continues to push the boundaries of semiconductor technology. His work has been instrumental in enhancing the efficiency and performance of semiconductor devices, making him a valuable asset in the industry.

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Conclusion: Alex Usenko's contributions to semiconductor technology exemplify the impact of innovative thinking in the field of electronics. His patent and ongoing work at SunEdison Semiconductor Limited highlight his role as a key player in advancing semiconductor manufacturing techniques.