This inventor holds 4 USPTO granted patents. Top assignees: Union Carbide Chemicals and Plastics Company, Inc., Advanced Silicon Materials LLC, Union Carbide Corporation. Active years: 1989-1992.
Company Filing History:
2 out of 138 
1 out of 14 
1 out of 2,922 
Years Active: 1989-1992
Title: The Innovations of Robert N Flagella
Introduction
Robert N Flagella is a notable inventor based in Ridgefield, WA (US). He has made significant contributions to the field of materials science, particularly in the production of polycrystalline silicon. With a total of 4 patents to his name, Flagella's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is for a fluidized bed for the production of polycrystalline silicon. This invention features an improved fluidized bed reactor and a method for utilizing it in the production of high purity polycrystalline silicon through the pyrolysis of silane containing gas. The reactor is characterized by an entrainment zone located above a lower reaction zone, which maintains a fluidization gas velocity sufficient to entrain silicon powder particles without entraining larger silicon particles. Another significant patent involves polycrystalline silicon capable of yielding long lifetime single crystals. This silicon rod can provide unicrystalline silicon with a resistivity of at least 10,000 ohm-cm and a lifetime of at least about 10,000 milliseconds, showcasing a copper X-ray diffraction pattern with specific characteristics.
Career Highlights
Throughout his career, Robert N Flagella has worked with prominent companies such as Union Carbide Chemicals and Plastics Company, Inc. and Advanced Silicon Materials LLC. His expertise in the field has allowed him to develop innovative solutions that address complex challenges in silicon production.
Collaborations
Flagella has collaborated with notable professionals in his field, including Howard J Dawson and William C Breneman. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Robert N Flagella's contributions to the field of polycrystalline silicon production demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of materials science and a commitment to improving industrial processes.