Hisami Motoura

Title: Hisami Motoura: Innovator in Silicon Wafer Evaluation

Introduction

Hisami Motoura is a prominent inventor based in Kanagawa, Japan. She has made significant contributions to the field of silicon wafer evaluation, holding a total of 5 patents. Her innovative methods have advanced the quality assessment processes in semiconductor manufacturing.

Latest Patents

Motoura's latest patents include a method of evaluating a silicon wafer, which involves several steps. This method includes dipping a mirror-polished silicon wafer in a dilute hydrofluoric acid, washing the surface, and subjecting it to heat treatment in an oxygen atmosphere to form a thermal oxidation film. Additionally, she has developed a method capable of predicting degradation of oxide film insulation quality on silicon wafers. This method utilizes selective etching and optical microscopy to assess the quality based on etch pit density.

Career Highlights

Motoura works at Komatsu Electronic Metals Co., Ltd., where she applies her expertise in silicon wafer technology. Her innovative approaches have led to improvements in production lines, particularly concerning low-quality silicon wafers.

Collaborations

Throughout her career, Motoura has collaborated with notable colleagues, including Eiichi Asano and Kouichirou Hayashida. These partnerships have fostered a collaborative environment that enhances innovation in their field.

Conclusion

Hisami Motoura's contributions to silicon wafer evaluation demonstrate her commitment to advancing technology in the semiconductor industry. Her innovative methods and collaborative efforts continue to impact the field positively.