Shigeyuki Onizawa

Title: Shigeyuki Onizawa: Innovator in CVD Film Technology

Introduction

Shigeyuki Onizawa is a notable inventor based in Tama, Japan. He has made significant contributions to the field of chemical vapor deposition (CVD) technology, particularly in the formation of low-carbon films. With a total of 2 patents, Onizawa's work is recognized for its innovative approaches to enhancing film deposition processes.

Latest Patents

Onizawa's latest patents include a method for forming low-carbon CVD film for filling trenches. This method involves introducing a silicon-containing compound with three or fewer hydrocarbon units and a boiling temperature between 35°C and 220°C. By applying RF power to the gas, a film is deposited on a substrate with trenches, which is maintained at a temperature that allows components of the silicon-containing compound to partially liquidify, effectively filling the trenches.

Another significant patent is the method of tailoring the conformality of a silicon-containing film. This process includes depositing a film on a patterned surface using PEALD or pulsed PECVD, followed by etching the film in controlled pulses. The etching process is designed to enhance the conformality of the film, ensuring that the target film thickness is achieved through repeated cycles of deposition and etching.

Career Highlights

Shigeyuki Onizawa is currently employed at ASM Japan K.K., where he continues to develop advanced technologies in the semiconductor industry. His expertise in CVD processes has positioned him as a key player in the field, contributing to the advancement of materials used in various applications.

Collaborations

Onizawa has collaborated with notable colleagues, including Woo-Jin Lee and Hideaki Fukuda. These partnerships have fostered innovation and have been instrumental in the development of new techniques and methodologies in film deposition.

Conclusion

Shigeyuki Onizawa's contributions to CVD technology and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence advancements in semiconductor manufacturing and materials science.