Company Filing History:
Years Active: 1978-1980
Title: Norbert A. Stotko: Innovator in Silicon Refinery Technology
Introduction
Norbert A. Stotko is a prominent inventor based in Denver, Colorado, known for his significant contributions to silicon refinery technology. With a total of 2 patents, Stotko has developed innovative processes that enhance the production of electronic-grade silicon from industrial-grade silicon.
Latest Patents
Stotko's latest patents include a balanced, closed cycle silicon refinery system designed for producing electronic-grade silicon. This system effectively removes impurities, which comprise approximately 1% of the industrial-grade silicon, to yield purified silicon. The process involves reacting hydrogen chloride with impure silicon in a halide reactor, resulting in trichlorosilane and silicon tetrachloride. These compounds are then purified and reacted with hydrogen in a fluidized bed reactor to produce the desired purified silicon. The system is designed to recycle materials efficiently, returning unreacted compounds back to the silicon reactor and ensuring minimal waste.
Career Highlights
Norbert A. Stotko is currently employed at Texas Instruments Corporation, where he continues to innovate in the field of silicon refinement. His work has been instrumental in advancing the technology used in the production of high-purity silicon, which is essential for various electronic applications.
Collaborations
Stotko has collaborated with notable colleagues, including Francois A. Padovani and Michael Brant Miller, contributing to the development of cutting-edge technologies in silicon processing.
Conclusion
Norbert A. Stotko's contributions to silicon refinery technology exemplify the impact of innovative thinking in the field of electronics. His patents and ongoing work at Texas Instruments Corporation highlight his commitment to advancing the industry and improving production processes.