This inventor holds 2 USPTO granted patents. Top assignee: Union Carbide Corporation. Active years: 1989.
Location History:
- Vancouver, WA (US) (1989)
- Circleville, OH (US) (1989)
Company Filing History:
Years Active: 1989
Title: Innovations by David W Hagan
Introduction
David W Hagan is a notable inventor based in Vancouver, WA (US). He has made significant contributions to the field of materials science, particularly in the production of high-purity polycrystalline silicon. With a total of 2 patents to his name, Hagan's work has implications for various technological applications.
Latest Patents
Hagan's latest patents include a process for the production of ultra high purity polycrystalline silicon. This invention focuses on an improved method that enhances production capacity and electrical power efficiency. The process involves recycling exhaust gases from the silane pyrolysis reactor, which are cooled and filtered to reduce silicon powder formation. Another significant patent relates to a reactor system and method for forming uniformly large-diameter polycrystalline silicon rods. This invention aims to improve the pyrolysis of monosilane, resulting in high-quality rods produced at high rates.
Career Highlights
David W Hagan is associated with Union Carbide Corporation, where he has contributed to advancements in silicon production technologies. His work has been instrumental in enhancing the efficiency and quality of silicon materials used in various industries.
Collaborations
Hagan has collaborated with notable colleagues such as William D Burke and Thomas R Thoman. These partnerships have fostered innovation and development in the field of materials science.
Conclusion
David W Hagan's contributions to the field of polycrystalline silicon production highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving efficiency and quality in materials science.