Company Filing History:
Years Active: 1999-2000
Title: Tomoyuki Kawahara: Innovator in Ceramic Substrate Technology
Introduction
Tomoyuki Kawahara is a notable inventor based in Kadoma, Japan. He has made significant contributions to the field of materials science, particularly in the development of methods for plating independent conductor circuits on ceramic substrates. With a total of 2 patents, his work has implications for various applications in electronics and materials engineering.
Latest Patents
Kawahara's latest patents include innovative methods for coating copper films on ceramic substrates. One of his patents describes a method where an undercoat containing copper and bismuth or vanadium is formed on a ceramic substrate, such as Al₂O₃. The process involves heating the substrate in an oxidative atmosphere to create a fired undercoat that bonds copper oxide particles with a binder phase. The bismuth content in the fired undercoat is specified to be between 10 to 90 wt%, while the vanadium content ranges from 3 to 63 wt%. This meticulous approach allows for the reduction of copper oxide particles to obtain metallic copper particles, which are then coated to form a copper film on the ceramic substrate.
Career Highlights
Kawahara is currently associated with Matsushita Electric Works, Ltd., where he continues to innovate in the field of electronic materials. His work has been instrumental in advancing the technology used in various electronic devices, enhancing their performance and reliability.
Collaborations
Kawahara has collaborated with esteemed colleagues such as Izuru Yoshizawa and Hiroaki Takahashi. Their combined expertise has contributed to the successful development of his patented technologies.
Conclusion
Tomoyuki Kawahara's contributions to the field of ceramic substrate technology exemplify the importance of innovation in materials science. His patents reflect a commitment to advancing electronic materials, which will undoubtedly influence future developments in the industry.