Fumiya Matsukura

Title: Fumiya Matsukura: Innovator in Acoustic Wave Technology

Introduction

Fumiya Matsukura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of acoustic wave technology, holding a total of four patents. His work focuses on the development of advanced acoustic wave devices that have various applications in electronics.

Latest Patents

Matsukura's latest patents include an acoustic wave resonator, filter, and multiplexer. The acoustic wave resonator features an interdigital transducer (IDT) located on a piezoelectric substrate. This resonator includes comb-shaped electrodes that face each other, with electrode fingers and a bus bar connecting them. A first silicon oxide film is positioned on the electrode fingers in an overlap region, with specific film thicknesses in the edge and center regions. Additionally, a second silicon oxide film is applied, which contains an element that slows acoustic velocity when added to the silicon oxide film. This film has a greater concentration of the element than the first silicon oxide film and a varying thickness across the edge and center regions.

Another significant patent is the method of fabricating an acoustic wave device. This method involves forming a comb-shaped electrode and a wiring layer on a piezoelectric substrate. A first dielectric film is then created, covering the electrode and wiring layer, made of silicon oxide that may be doped or undoped. A second dielectric film is formed with an aperture above the wiring layer, allowing for selective etching of the first dielectric film while preserving the coverage of the wiring layer and comb-shaped electrode.

Career Highlights

Fumiya Matsukura is currently employed at Taiyo Yuden Co., Ltd., where he continues to innovate in the field of acoustic wave technology. His work has been instrumental in advancing the capabilities of acoustic wave devices, which are essential in various electronic applications.

Collaborations

Matsukura collaborates with notable colleagues, including Kentaro Nakamura and Takashi Matsuda. Their combined expertise contributes to the development of cutting-edge technologies in their field.

Conclusion

Fumiya Matsukura is a key figure in the innovation of acoustic wave technology, with several patents that showcase his expertise and contributions. His work at Taiyo Yuden Co., Ltd. continues to influence the electronics industry significantly.