Toru Ito

Title: Toru Ito: Innovator in Plasma Processing Technologies

Introduction

Toru Ito is a prominent inventor based in Kudamatsu, Japan. He has made significant contributions to the field of plasma processing, holding 2 patents that showcase his innovative approaches to etching methods.

Latest Patents

One of his latest patents is a plasma processing method designed to suppress sideetching and microloading when forming trenches with a mask that has a minimum opening width of 20 nm or less. This method includes steps for forming trenches through plasma etching, applying a nitride film on the sidewalls of the trenches using plasma, and creating an oxide film on the sidewalls and bottom surfaces of the trenches using plasma. Another notable patent is a dry etching method that achieves a good profile with minimal side etch, avoiding the micro loading effect. This method involves a two-step process where the etching rates differ between dense and isolated portions of the pattern.

Career Highlights

Toru Ito is associated with Hitachi High-Technologies Corporation, where he continues to develop advanced technologies in plasma processing. His work has been instrumental in enhancing the efficiency and precision of etching methods used in various applications.

Collaborations

He has collaborated with notable coworkers, including Hiroaki Ishimura and Akito Kouchi, contributing to the advancement of their shared field.

Conclusion

Toru Ito's innovative work in plasma processing technologies has made a significant impact on the industry. His patents reflect a commitment to improving etching methods, showcasing his expertise and dedication to advancing technology.