Company Filing History:
Years Active: 1995-1996
Title: The Innovations of Yoshifumi Yatsurugi
Introduction
Yoshifumi Yatsurugi is a notable inventor based in Moses Lake, WA (US). He has made significant contributions to the field of semiconductor technology, particularly in the production of high-purity polycrystalline silicon rods. With a total of 2 patents, his work has advanced the efficiency and quality of silicon production for various applications.
Latest Patents
Yatsurugi's latest patents focus on the production of high-purity polycrystalline silicon rods for semiconductor applications. The disclosed processes and reactors are designed to rapidly produce large diameter, high-purity silicon rods by depositing silicon from a gas containing a silane compound. The innovative equipment includes a reactor vessel that encloses a powder catcher with a cooled surface. Additionally, a cylindrical water jacket defines multiple reaction chambers within the vessel. The silicon powder generated in this process adheres to the coolest surfaces, which are those of the powder catcher, allowing for efficient collection. Minimal powder adheres to the walls of the reaction chambers, enhancing the overall yield. In some embodiments, a fan is included to increase gas circulation, further optimizing the process.
Career Highlights
Throughout his career, Yatsurugi has worked with companies such as Advanced Silicon Materials LLC and Advanced Silicon Materials, Inc. His expertise in semiconductor technology has positioned him as a key player in the industry, contributing to advancements that benefit various sectors.
Collaborations
Yatsurugi has collaborated with notable professionals in his field, including David W. Keck and Kenichi Nagai. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Yoshifumi Yatsurugi's contributions to the semiconductor industry through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the production of high-purity silicon, paving the way for advancements in technology.