Location History:
- Amagasaki, JP (1992 - 1995)
- Hyogo, JP (1995)
- Montgomery, OH (US) (1995 - 1997)
Company Filing History:
6 out of 40 
3 out of 19 
3 out of 7 Years Active: 1992-1997
Title: Kaoru Kuramochi: Innovator in Single Crystal Production
Introduction
Kaoru Kuramochi is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of materials science, particularly in the production of single crystals. With a total of 9 patents to his name, Kuramochi's work has advanced the technology used in semiconductor manufacturing.
Latest Patents
Kuramochi's latest patents focus on innovative processes and apparatuses for producing single crystals. One notable patent is a process for producing single crystals with minimal OSF generation and excellent dielectric strength of gate oxide films. This process involves adjusting the temperature gradient of the silicon single crystal during the pulling process. The apparatus used includes a crucible containing the melt of the single crystal material, a heating element, a pulling shaft, and a protective gas inlet pipe. Additionally, it features a heat-resistant and insulating component that aids in maintaining the temperature gradient during the production process.
Another significant patent is an apparatus designed for producing silicon single crystals with exceptional dielectric strength. This invention allows for the adjustment of the temperature gradient of the pulled-up silicon single crystal without compromising the rate of pulling. The apparatus includes a heating element positioned outside the crucible, ensuring that the temperature gradient remains below 2.5°C/mm during the growth of the single crystal.
Career Highlights
Throughout his career, Kuramochi has worked with notable companies such as Sumitomo Sitix Corporation and Osaka Titanium Co., Ltd. His experience in these organizations has contributed to his expertise in the field of single crystal production.
Collaborations
Kuramochi has collaborated with esteemed colleagues, including Makoto Ito and Setsuo Okamoto. These partnerships have further enriched his research and development efforts in the field.
Conclusion
Kaoru Kuramochi's innovative work in the production of single crystals has made a significant impact on the semiconductor industry. His patents reflect a deep understanding of materials science and a commitment to advancing technology.