Hironori Ochi

Title: Hironori Ochi: Innovator in Semiconductor Manufacturing

Introduction

Hironori Ochi is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 3 patents. His work focuses on improving the efficiency and effectiveness of semiconductor devices.

Latest Patents

One of Hironori Ochi's latest patents is a manufacturing method of a semiconductor device. This method includes several steps, such as preparing a semiconductor substrate with a silicon nitride film on the rear surface. It also involves forming an interlayer insulating film with a via hole on the main surface of the semiconductor substrate and selectively forming a via-fill within the via hole. Additionally, the method requires performing wafer rear surface cleaning to expose the silicon nitride film and forming a photoresist film made of chemical amplification type resist on the interlayer insulating film and the via-fill. This process is conducted in an atmosphere with an ammonium ion concentration of 1000 µg/m³ or less.

Career Highlights

Hironori Ochi is currently employed at Renesas Electronics Corporation, where he continues to innovate in semiconductor technology. His expertise and dedication to his work have made him a valuable asset to the company.

Collaborations

Hironori has collaborated with several talented individuals in his field, including Kiyoshi Maeshima and Kotaro Horikoshi. These collaborations have further enhanced his contributions to semiconductor manufacturing.

Conclusion

Hironori Ochi's work in semiconductor manufacturing showcases his innovative spirit and commitment to advancing technology. His patents reflect his expertise and the impact he has made in the industry.