Kenichi Tokioka

Title: Kenichi Tokioka: Innovator in Semiconductor Technology

Introduction

Kenichi Tokioka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding 2 patents that showcase his innovative approach to solving complex problems in the industry.

Latest Patents

One of his latest patents is focused on a preparation process for semiconductor devices. This invention addresses the challenge of effectively removing residues generated after selectively removing a low-dielectric-constant film, such as SiOC, without damaging the insulating or metal films. Specifically, the residues generated after forming an interconnect trench in an SiOC film are removed using a fluoride-free weak alkaline amine stripper. Following this removal step, the wafer is rinsed with isopropyl alcohol and then dried without using pure water. Another notable patent involves a stripping composition that comprises at least one alcohol with an ether bond in its molecular structure as component (a), along with an anticorrosive as component (b). Furfuryl alcohol or tetrahydrofurfuryl alcohol is preferred as component (a).

Career Highlights

Throughout his career, Kenichi Tokioka has worked with notable companies, including NEC Electronics Corporation and Sumitomo Chemical Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to advancements in semiconductor technology.

Collaborations

Kenichi has collaborated with esteemed colleagues such as Tatsuya Koito and Keiji Hirano. These partnerships have further enriched his work and led to innovative solutions in the semiconductor field.

Conclusion

Kenichi Tokioka is a distinguished inventor whose work in semiconductor technology has made a lasting impact. His innovative patents and collaborations highlight his commitment to advancing the industry.