Location History:
- Usui-gun, JP (1997)
- Gunma-ken, JP (1997 - 2013)
- Gunma, JP (2012 - 2013)
- Annaka, JP (1990 - 2014)
Company Filing History:
Years Active: 1990-2014
Title: Kouichi Tanaka: Innovator in Wafer Manufacturing Technology
Introduction
Kouichi Tanaka is a prominent inventor based in Gunma, Japan, known for his significant contributions to the field of wafer manufacturing technology. With a total of 17 patents to his name, Tanaka has developed innovative methods that enhance the efficiency and effectiveness of wafer production.
Latest Patents
Tanaka's latest patents include a method of manufacturing laminated wafers using a high-temperature laminating technique. This method involves forming a silicon film layer on an insulating substrate through a series of steps. These steps include applying a surface activation treatment to both the silicon wafer and the insulating substrate, laminating them at temperatures exceeding 50°C and lower than 300°C, and applying heat treatment to the laminated wafer at temperatures ranging from 200°C to 350°C. The process concludes with thinning the silicon wafer through grinding, etching, and polishing to create a silicon film layer. Another notable aspect of his patent is the ability to achieve strong coupling between wafers made of different materials, which addresses the challenges posed by varying thermal expansion coefficients without compromising the maximum heat treatment temperature.
Career Highlights
Throughout his career, Kouichi Tanaka has worked with esteemed companies, including Shin-Etsu Chemical Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in wafer technology.
Collaborations
Tanaka has collaborated with notable colleagues such as Shoji Akiyama and Yoshihiro Kubota, further enhancing his innovative capabilities and expanding his impact in the field.
Conclusion
Kouichi Tanaka's work in wafer manufacturing technology exemplifies the spirit of innovation and dedication to advancing the industry. His patents and collaborations reflect a commitment to excellence and a drive to push the boundaries of what is possible in wafer production.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.