Company Filing History:
Years Active: 1984-1990
Title: Bernhard Freienstein: Innovator in Silicon Melting Technology
Introduction
Bernhard Freienstein is a notable inventor based in Munich, Germany. He has made significant contributions to the field of silicon melting technology, particularly in applications related to solar cell manufacturing. With a total of 3 patents, his work has been instrumental in advancing the efficiency and effectiveness of silicon processing.
Latest Patents
Freienstein's latest patents include an innovative arrangement for the continuous melting of granulated silicon. This invention features a melt reservoir in communication with a melt crucible, designed based on the principle of communicating vessels. The arrangement includes a thermally insulated, annular crucible with a centrally located rotary plate that can be centrifugally accelerated. This design allows for a continuously variable speed, ensuring a uniform delivery and melting of granulate particles, which is crucial for producing silicon bands with consistent layer thickness for solar cells. Another significant patent involves a method and device for the complete emptying of quartz tanks or crucibles filled with silicon melt. This apparatus includes an open outlet nozzle and a specially designed member that prevents the silicon melt from running out during the band drawing process, enhancing the efficiency of silicon production.
Career Highlights
Freienstein is currently associated with Siemens Aktiengesellschaft, a leading global technology company. His work at Siemens has allowed him to focus on innovative solutions in silicon processing, contributing to advancements in renewable energy technologies.
Collaborations
Freienstein has collaborated with esteemed colleagues such as Josef Grabmaier and Gerhard Hoyler. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of silicon technology.
Conclusion
Bernhard Freienstein's contributions to silicon melting technology have made a significant impact on the solar cell manufacturing industry. His innovative patents and collaborations highlight his commitment to advancing technology in this vital sector.