Koji Kagawa

Title: The Innovative Contributions of Koji Kagawa

Introduction

Koji Kagawa is a prominent inventor based in Koshi, Japan, known for his significant contributions to substrate processing technology. With a total of 12 patents to his name, Kagawa has made remarkable advancements in the field, particularly in the development of etching liquids and substrate processing methods.

Latest Patents

Kagawa's latest patents include a substrate processing device and an etching liquid. The substrate processing method he developed involves holding a substrate and supplying an etching liquid that contains an etching agent designed to etch a metal-based first material and a silicon-based second material. This innovative etching liquid is unique as it contains fluorine atoms and an organic solvent while substantially lacking water. Additionally, Kagawa's substrate processing method includes a process for preparing a substrate with a zirconium oxide film as a mask, followed by a mask removing process using a liquid containing sulfuric acid.

Career Highlights

Throughout his career, Kagawa has been associated with Tokyo Electron Limited, a leading company in the semiconductor manufacturing equipment industry. His work has significantly impacted the efficiency and effectiveness of substrate processing techniques, making him a key figure in the field.

Collaborations

Kagawa has collaborated with notable coworkers such as Meitoku Aibara and Koukichi Hiroshiro, contributing to various innovative projects and advancements in substrate processing technology.

Conclusion

Koji Kagawa's contributions to substrate processing and etching technology have established him as a leading inventor in his field. His innovative patents and career achievements continue to influence the semiconductor industry and inspire future advancements.