Yukio Hirokawa

Title: The Innovations of Yukio Hirokawa

Introduction

Yukio Hirokawa is a prominent inventor based in Tokyo, Japan. He is known for his contributions to the field of surface acoustic wave (SAW) devices. With a focus on enhancing the electric characteristics of these devices, Hirokawa has made significant strides in the realm of piezoelectric technology.

Latest Patents

Hirokawa holds a patent for a surface acoustic wave device. This innovative device comprises a single crystal piezoelectric substrate, which can be made from materials such as LiTaO or LiNbO. The device features an interdigital transducer (IDT) formed from a material primarily containing aluminum, which is strategically placed on the piezoelectric substrate. The substrate includes an additive, such as iron, manganese, copper, or titanium, and is oriented at a specific angle between 42° to 48° from the Y-axis toward the Z-axis about the X-axis. The IDT is designed with a normalized thickness ratio of 7% to 11%, optimizing the performance of the SAW device.

Career Highlights

Hirokawa is associated with TDK Corporation, a leading company in electronic components. His work has contributed to advancements in the field of acoustic wave technology, showcasing his expertise and innovative spirit.

Collaborations

Hirokawa has collaborated with notable colleagues, including Yoshikazu Kihara and Katsunori Osanai. Their combined efforts have furthered research and development in the field of surface acoustic wave devices.

Conclusion

Yukio Hirokawa's contributions to the field of surface acoustic wave devices highlight his innovative approach and dedication to advancing technology. His patent and collaborations reflect his significant impact on the industry.