Company Filing History:
Years Active: 2019-2020
Title: Wataru Iwazaki: Innovator in Ceramic-Aluminum Bonding Technologies
Introduction
Wataru Iwazaki is a notable inventor based in Kumagaya, Japan. He has made significant contributions to the field of materials science, particularly in the development of ceramic-aluminum bonded bodies and power module substrates. With a total of two patents to his name, Iwazaki's work is recognized for its innovative approaches and practical applications.
Latest Patents
Iwazaki's latest patents include a method for producing a ceramic-aluminum bonded body and a method for manufacturing a substrate for power modules with heat sinks. The first patent details a process that involves bonding a ceramic member to an aluminum member, which must have a purity of 99.0 mass % or higher and 99.9 mass % or lower. This method includes a heat treatment step at temperatures of 400°C or higher, followed by a bonding step using a brazing filler material that contains silicon. The second patent focuses on the manufacturing of a substrate for power modules, where one aluminum material is set to high purity and the other to low purity, ensuring a significant difference in the concentration of elements other than aluminum. This innovation allows for solid-phase diffusion bonding between the metal layer and the heat sink.
Career Highlights
Wataru Iwazaki is currently employed at Mitsubishi Materials Corporation, where he continues to advance his research and development efforts. His work has been instrumental in enhancing the performance and reliability of power modules, which are critical components in various electronic applications.
Collaborations
Iwazaki collaborates with talented colleagues such as Masahito Komasaki and Hiroya Ishiduka. Their combined expertise contributes to the innovative projects at Mitsubishi Materials Corporation.
Conclusion
Wataru Iwazaki's contributions to ceramic-aluminum bonding technologies exemplify the impact of innovative thinking in materials science. His patents reflect a commitment to advancing technology in the field, making significant strides in the development of efficient and reliable power modules.