This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1981-1983.
Company Filing History:
Years Active: 1981-1983
Title: Kazuyoshi Ueki: Innovator in Dry-Etching Technology
Introduction
Kazuyoshi Ueki is a notable inventor based in Ohme, Japan. He has made significant contributions to the field of dry-etching technology, holding a total of 4 patents. His work primarily focuses on methods that enhance the efficiency and effectiveness of etching processes used in various materials.
Latest Patents
Ueki's latest patents include a method for dry-etching that allows for the processing of materials such as SiO₂, phospho-silicate glass, and various metals. This innovative method utilizes glow discharge plasma to introduce gases like He, Ar, N₂, and O₂ into a reaction chamber. The process effectively liberates reactive gases from high molecular resin materials containing fluorine atoms, eliminating the need for expensive fluorocarbon gases while maintaining a sufficient etching rate and selectivity. Another significant patent involves a method for preventing corrosion of aluminum and its alloys processed by the dry-etching method. This method includes sputtering aluminum in an ammonia-containing atmosphere and subsequently washing it with an alkaline solution, effectively preventing corrosion caused by halogen elements.
Career Highlights
Kazuyoshi Ueki is associated with Hitachi, Ltd., where he has been instrumental in advancing dry-etching technologies. His innovative approaches have contributed to the company's reputation as a leader in the semiconductor manufacturing industry.
Collaborations
Ueki has collaborated with notable colleagues such as Shinya Iida and Hideo Komatsu, further enhancing the impact of his work in the field.
Conclusion
Kazuyoshi Ueki's contributions to dry-etching technology exemplify his innovative spirit and dedication to advancing industrial processes. His patents reflect a commitment to improving efficiency and reducing costs in semiconductor manufacturing.