Location History:
- Takefu, JP (1992)
- Takehu, JP (1993)
- Nishishirakawa-gun, JP (2003)
- Fukushima, JP (2003 - 2009)
- Nishishirakawa, JP (1999 - 2016)
- Nishigo-mura, JP (2017 - 2023)
Company Filing History:
Years Active: 1992-2023
Title: **Innovative Contributions of Susumu Sonokawa in Crystal Manufacturing**
Introduction
Susumu Sonokawa, an accomplished inventor based in Nishishirakawa, Japan, has made significant strides in the field of crystal manufacturing. With an impressive portfolio of 19 patents, Sonokawa's work focuses primarily on improving the efficiency of single crystal production using the Czochralski method. His innovative designs aim to enhance the growth rate and quality of single crystals, which are crucial for various technological applications.
Latest Patents
Among Sonokawa's latest patents are two noteworthy apparatuses designed for single crystal manufacturing. The first patent details an apparatus for manufacturing a single crystal according to the Czochralski method. This sophisticated apparatus features a main chamber that houses crucibles for a raw-material melt and a heater. An innovative cooling system includes a cooling cylinder that surrounds the growing single crystal, along with an auxiliary cooling cylinder equipped with a slotted design to facilitate efficient cooling. This design significantly boosts the growth rate of the single crystal.
His second patent outlines an apparatus for producing silicon single crystals utilizing the Czochralski method. This apparatus incorporates advanced technology that measures the inlet temperature, outlet temperature, and flow rate of coolant in the chamber. By calculating the removed heat quantity based on these measurements, the apparatus effectively regulates the heater power, resulting in better control over crystal diameter and pulling rates. This technological advancement promises enhanced production consistency and efficiency.
Career Highlights
Sonokawa currently works at Shin-Etsu Handotai Co., Ltd., a leading company in the semiconductor industry. His extensive research and development efforts have positioned him as a valuable asset to the organization. With a strong focus on innovation, Sonokawa's work has contributed significantly to the advancement of materials that are essential for modern electronic devices.
Collaborations
Throughout his career, Sonokawa has collaborated with esteemed colleagues, including Ryoji Hoshi and Tomohiko Ohta. Their collective expertise and commitment to research have paved the way for groundbreaking developments in crystal growth technology. These collaborations demonstrate the importance of teamwork in fostering innovation within the industry.
Conclusion
Susumu Sonokawa's contributions to the field of single crystal manufacturing underscore his role as a prominent inventor. With his impressive portfolio of patents and collaborative spirit, he continues to drive advancements that are essential for the technological progress of our time. His work not only enhances production efficiency but also plays a crucial role in the development of cutting-edge materials used in various applications worldwide.