Junichi Kushibiki

Title: Junichi Kushibiki: Innovator in Surface Acoustic Wave Technology

Introduction

Junichi Kushibiki, based in Sendai, Japan, is a notable inventor known for his contributions to the field of surface acoustic wave devices. With a total of two patents to his name, Kushibiki has developed groundbreaking technologies that enhance device performance and reliability.

Latest Patents

Kushibiki's latest innovations include a lithium tantalate single crystal substrate specifically designed for surface acoustic wave devices. This patent features a rotated Y-cut LiTaO3 substrate characterized by a Y-cut angle ranging from 36° to 49°. This innovative substrate exhibits a lithium concentration profile that enables a unique difference between the surface and the interior lithium levels, allowing for enhanced acoustic wave propagation. His work demonstrates an impressive acoustic velocity of 3140 m/s to 3200 m/s for shear vertical type elastic waves, which are vital for effective functioning within these devices.

Additionally, Kushibiki has developed an ultrasonic microscope which employs an impedance matching layer made from chalcogenide glass film on the spherical lens portion of an ultrasonic condensing lens. This advancement significantly improves interactions with the acoustic field medium, showcasing his unique approach to integrating material science with practical device applications.

Career Highlights

Throughout his career, Junichi Kushibiki has contributed his expertise to prominent companies, including Olympus Optical Company, Ltd. and Shin-Etsu Chemical Co., Ltd. His experience in these innovative environments has refined his skills in research and development, laying a solid foundation for his inventive work.

Collaborations

Kushibiki has collaborated with esteemed colleagues, including Isao Momii and Noriyoshi Chubachi, who have similarly focused on advancing technologies in their respective fields. Their teamwork reflects a common goal of pushing the boundaries of technical possibilities.

Conclusion

Junichi Kushibiki stands out as a significant figure in the field of surface acoustic wave technology. His two patents illustrate a profound understanding of materials and their applications in advanced devices. As he continues to innovate, the impact of his work will likely resonate throughout the tech industry, inspiring future advancements in acoustic wave technology.