Yuki Haraguchi

Title: Yuki Haraguchi: Innovator in Semiconductor Technology

Introduction

Yuki Haraguchi is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. Her work focuses on the development of advanced semiconductor devices and manufacturing methods.

Latest Patents

Among her latest patents, one notable invention is a semiconductor device and method of manufacturing a semiconductor device. This device includes a semiconductor substrate, a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a diode trench gate, and an electrode layer. The first semiconductor layer is positioned as a surface layer on the upper surface of the semiconductor substrate, while the second semiconductor layer is located below it. The diode trench gate features a diode trench insulation film formed along the inner wall of the trench, with a diode trench electrode provided inside the trench. The electrode layer covers the upper side wall of the trench, ensuring that the first semiconductor layer is in contact with the electrode layer.

Another significant patent involves a semiconductor device that includes a first conductivity-type silicon substrate, which consists of a cell part and a termination part surrounding the cell part. This device features a first conductivity-type emitter layer on the front surface of the silicon substrate in the cell part, a second conductivity-type collector layer on the back surface, and a first conductivity-type drift layer between the emitter and collector layers. A trench gate reaches the drift layer from the front surface of the emitter layer, while a second conductivity-type well layer is provided on the front surface of the silicon substrate in the termination part. Notably, the vacancies included in a crystal defect in the cell part are fewer than those in the termination part.

Career Highlights

Yuki Haraguchi is currently employed at Mitsubishi Electric Corporation, where she continues to innovate in semiconductor technology. Her work has garnered attention for its potential applications in various electronic devices.

Collaborations

Throughout her career, Yuki has collaborated with notable colleagues, including Fumihito Masuoka and Kenji Suzuki. These collaborations have further enhanced her contributions to the field.

Conclusion

Yuki Haraguchi is a trailblazer in semiconductor technology, with a strong portfolio of patents that reflect her innovative spirit. Her work at Mitsubishi Electric Corporation and collaborations with esteemed colleagues underscore her impact on the