This inventor holds 1 USPTO granted patent. Top assignee: Vg Instruments Group Limited. Active years: 1991.
Company Filing History:
Years Active: 1991
Title: Innovations of John J Parmenter in Vacuum Evaporation and Deposition
Introduction
John J Parmenter is a notable inventor based in Crawley, GB. He has made significant contributions to the field of material deposition, particularly through his innovative patent related to vacuum evaporation and deposition methods. His work has implications for various applications, especially in molecular beam epitaxy.
Latest Patents
John J Parmenter holds a patent for a method and apparatus for the deposition of material onto a substrate. This method involves evaporating material from a source and controlling the dosage of material at the substrate by moving a shutter between an open and closed position. The closing step of the shutter includes a deceleration phase before reaching the closed position, which helps to reduce contamination compared to prior methods. This innovation is particularly advantageous in molecular beam epitaxy.
Career Highlights
Throughout his career, John J Parmenter has been associated with Vg Instruments Group Limited, where he has applied his expertise in material deposition technologies. His work has contributed to advancements in the field, enhancing the efficiency and effectiveness of deposition processes.
Collaborations
John has collaborated with notable colleagues, including Robert B Phillips and Paul R Stonestreet. These collaborations have fostered a productive environment for innovation and development in their respective fields.
Conclusion
John J Parmenter's contributions to vacuum evaporation and deposition methods highlight his role as an influential inventor. His innovative approaches continue to impact the field of material science and engineering.