Location History:
- Gunma-ken, JP (2007)
- Annaka, JP (2010 - 2015)
Company Filing History:
Years Active: 2007-2015
Title: Kaoru Katoh: Innovator in Semiconductor Technology
Introduction
Kaoru Katoh is a prominent inventor based in Annaka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on developing advanced materials and methods for semiconductor devices, which are crucial for modern electronics.
Latest Patents
Among his latest patents, Katoh has developed a set of resin compositions for preparing system-in-package type semiconductor devices. This composition set includes an underfill composition for the underfill part and an encapsulation resin composition for the resin encapsulation part. The underfill composition is notable for its cured product having a glass transition temperature (Tg) of ≥100°C, which is either the same as or differs from the Tg of the encapsulation resin composition by ≤20°C. Additionally, the total linear expansion coefficient of the cured product of the underfill composition at temperatures not exceeding (Tg−30)°C, along with the linear expansion coefficient of the encapsulation resin composition at similar temperatures, is ≤42 ppm/°C. Furthermore, the ratio of the linear expansion coefficient of the encapsulation resin composition to that of the underfill composition ranges from 0.3 to 1.0.
Another significant patent involves a method of manufacturing a semiconductor device, which includes applying an underfill composition to a silicon wafer surface, dicing the wafer into chips, positioning the chip, and bonding it to the substrate.
Career Highlights
Kaoru Katoh has worked with notable companies in the semiconductor industry, including Shin-Etsu Chemical Co., Ltd. and Shin-Etsu Chemical Co., Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and semiconductor manufacturing processes.
Collaborations
Throughout his career, Katoh has collaborated with esteemed colleagues such as Kazuaki Sumita and Tokue Kojima. These partnerships have contributed to the advancement of semiconductor technologies and innovations.
Conclusion
Kaoru Katoh's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced electronic devices.