Yukinori Hirose

Title: Innovations by Yukinori Hirose in Semiconductor Technology

Introduction

Yukinori Hirose is a prominent inventor based in Suita, Japan, known for his significant contributions to semiconductor technology. With a total of 2 patents, he has made strides in improving semiconductor devices and their manufacturing processes.

Latest Patents

Hirose's latest patents focus on semiconductor devices and their manufacturing methods. One of his notable inventions involves a semiconductor device featuring copper (Cu) wiring that includes a basic crystal structure designed to reduce surface voids. This innovation allows for a reduction of surface voids to 1/10 or less of the current practical level by specifying a barrier layer and a seed layer. Additionally, he has established a method for setting the proportion of occupation of a coincidence site lattice (CSL) boundary with a grain boundary Sigma value of 27 or less to all crystal grain boundaries of the Cu wiring to 60% or higher. Alternatively, a similar effect can be achieved by adjusting the proportion of occupation of a CSL boundary with a Sigma value of 3 to 40% or higher.

Career Highlights

Hirose is currently employed at Renesas Electronics Corporation, where he continues to develop innovative solutions in semiconductor technology. His work has been instrumental in advancing the efficiency and reliability of semiconductor devices.

Collaborations

Hirose collaborates with notable colleagues, including Takahiko Kato and Hiroshi Nakano, who contribute to his research and development efforts in the field.

Conclusion

Yukinori Hirose's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in semiconductor manufacturing and device performance.