Company Filing History:
Years Active: 2011-2019
Title: Innovations by Marcus Schaefer in Polycrystalline Silicon Processing
Introduction
Marcus Schaefer is a notable inventor based in Traunstein, Germany. He has made significant contributions to the field of polycrystalline silicon processing, holding a total of four patents. His work focuses on improving the efficiency and purity of silicon fragments used in various applications.
Latest Patents
One of his latest patents is a "Device and method for the flexible classification of polycrystalline silicon fragments." This invention allows for the sorting of polycrystalline silicon fragments into defined particle fractions in a flexible manner, independent of the initial particle size distribution and desired fraction size. The process involves a first mechanical screening into a fine fraction and a residual fraction, followed by optoelectronic sorting of the residual fraction. Another significant patent is the "Method and device for producing classified high-purity polycrystalline silicon fragments." This method involves crushing polysilicon rods from the Siemens process into fragments and further processing them to achieve very low metal contamination. The process is designed to be economical by using materials that would typically cause high metal contamination and removing this contamination through tailored cleaning baths.
Career Highlights
Marcus Schaefer has worked with prominent companies in the industry, including Wacker Chemie AG and Lanxess Deutschland GmbH. His experience in these organizations has contributed to his expertise in silicon processing technologies.
Collaborations
Throughout his career, Schaefer has collaborated with notable colleagues such as Reiner Pech and Matthaeus Schantz. These collaborations have likely enhanced his innovative capabilities and contributed to the development of his patents.
Conclusion
Marcus Schaefer's work in the field of polycrystalline silicon processing showcases his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to enhancing the efficiency and purity of silicon fragments, which are crucial for various technological applications.