Teppei Okumura

Title: Teppei Okumura: Innovator in Etching Technology

Introduction

Teppei Okumura is a notable inventor based in Nirasaki, Japan. He has made significant contributions to the field of etching technology, holding 2 patents that showcase his innovative approaches.

Latest Patents

His latest patents include an etching method and etching apparatus. This etching method involves providing a substrate with a three-layered film composed of a first silicon oxide-based film, a silicon nitride-based film, and a second silicon oxide-based film. The method collectively etches the three-layered film using a HF—NH-based gas while adjusting the gas ratio in each layer. Another significant patent is a substrate processing method for removing boron-doped silicon. This method allows for the effective etching of boron-doped silicon by exposing a wafer made of this material to fluorine and ammonia gases while heating the wafer mounted on a stage.

Career Highlights

Teppei Okumura is currently employed at Tokyo Electron Limited, a leading company in the semiconductor industry. His work focuses on advancing etching technologies that are crucial for semiconductor manufacturing.

Collaborations

He collaborates with talented coworkers, including Reiko Sasahara and Tsuhung Huang, who contribute to the innovative projects at Tokyo Electron Limited.

Conclusion

Teppei Okumura's contributions to etching technology through his patents and work at Tokyo Electron Limited highlight his role as a key innovator in the semiconductor field. His advancements continue to influence the industry significantly.