This inventor holds 2 USPTO granted patents. Top assignee: Shin-Etsu Handotai Co., Ltd.. Active years: 1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Annaka, JP (1995)
- Gunma, JP (1995)
Company Filing History:
Years Active: 1995
Title: Hiroshi Kubota: Innovator in Silicon Crystal Technology
Introduction
Hiroshi Kubota is a prominent inventor based in Annaka, Japan. He has made significant contributions to the field of silicon crystal technology, particularly in the determination of carbon and oxygen concentrations in silicon single crystals. With a total of 2 patents, his work has advanced the understanding and measurement techniques in semiconductor materials.
Latest Patents
Hiroshi Kubota's latest patents include innovative methods for determining carbon concentration in silicon single crystals using FT-IR technology. This method involves analyzing the infrared absorbance spectrum of a sample against a reference silicon single crystal that is substantially carbon-free. The process calculates a subtraction factor from the spectra, allowing for accurate determination of carbon concentration based on the absorption peak distance in the subtraction spectrum.
Another notable patent focuses on a method and apparatus for determining interstitial oxygen concentration in silicon single crystals. This invention enables stable and accurate measurements of oxygen concentration, minimizing the impact of temperature changes on the sample being tested. These advancements are crucial for improving the quality and performance of silicon-based devices.
Career Highlights
Hiroshi Kubota is currently employed at Shin-Etsu Handotai Co., Ltd., a leading company in the semiconductor industry. His work at the company has been instrumental in developing advanced measurement techniques that enhance the production and quality of silicon materials.
Collaborations
Hiroshi has collaborated with notable colleagues, including Yutaka Kitagawara and Masaro Tamatsuka. Their combined expertise has contributed to the successful development of innovative technologies in the field.
Conclusion
Hiroshi Kubota's contributions to silicon crystal technology through his patents and collaborations have significantly impacted the semiconductor industry. His innovative methods for measuring carbon and oxygen concentrations are vital for advancing material science and improving device performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile