Syuntaro Machida

Title: Syuntaro Machida: Innovator in Sound-Electricity Conversion Technology

Introduction

Syuntaro Machida is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of sound-electricity conversion technology. His innovative work aims to enhance the performance and reliability of ultrasonic diagnostic apparatuses.

Latest Patents

Machida holds a patent for a sound-electricity conversion device, an array-type ultrasonic transducer, and an ultrasonic diagnostic apparatus. The invention focuses on stabilizing the sound-electricity conversion characteristics of diaphragm-type devices while reducing noise levels in ultrasonic diagnostic equipment. The device features a capacitor cell with a lower electrode on a silicon substrate and an upper electrode, which together create a cavity. An electrode short-circuit prevention film is applied to the upper electrode, made from silicon nitride with a specific stoichiometric composition. This design minimizes electric conductivity, preventing charge accumulation and ensuring stable sound-electricity conversion characteristics.

Career Highlights

Syuntaro Machida is associated with Hitachi, Ltd., where he has been instrumental in advancing technologies related to sound-electricity conversion. His work has contributed to the development of more efficient and reliable ultrasonic diagnostic tools.

Collaborations

Machida has collaborated with notable colleagues, including Shinichiro Umemura and Takashi Azuma. Their combined expertise has furthered the innovation in sound-electricity conversion technologies.

Conclusion

Syuntaro Machida's contributions to sound-electricity conversion technology exemplify the impact of innovative thinking in the field of diagnostics. His patent reflects a commitment to improving medical technology and enhancing diagnostic capabilities.