Daisuke Maruoka

Title: Daisuke Maruoka: Innovator in Silicon Epitaxial Wafer Production

Introduction

Daisuke Maruoka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of silicon epitaxial wafer production. With a total of 2 patents to his name, Maruoka's work focuses on enhancing the quality and efficiency of silicon wafers used in various applications.

Latest Patents

Maruoka's latest patents include innovative methods for producing silicon epitaxial wafers. One of his patents outlines a production method that effectively suppresses DIC defects. This method involves growing an epitaxial layer in a vapor phase on a principal plane of a silicon single crystal wafer. The principal plane is specified as a {110} plane or a plane with an off-angle of less than 1 degree from the {110} plane. The process requires setting the temperature of the silicon single crystal wafer between 1140° C. and 1165° C., with a growth rate of 0.5 μm/min to 1.7 μm/min. Another patent details a similar production method, with a temperature range of 1100° C. to 1135° C. and a growth rate of 2.0 μm/min to 3.0 μm/min.

Career Highlights

Daisuke Maruoka is currently employed at Sumco Corporation, a leading company in the semiconductor industry. His work at Sumco has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in silicon wafer technology.

Collaborations

Maruoka collaborates with notable colleagues, including Masayuki Ishibashi and Midori Yoshida. Their combined expertise fosters a productive environment for innovation and development in their field.

Conclusion

Daisuke Maruoka's contributions to silicon epitaxial wafer production demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the technical challenges in the semiconductor industry. Maruoka continues to be a key figure in advancing silicon wafer technology.