Location History:
- Hyogo, JP (2001 - 2003)
- Akashi, JP (2000 - 2004)
Company Filing History:
Years Active: 2000-2004
Title: The Innovative Contributions of Koji Matsukuma
Introduction
Koji Matsukuma is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of technology, particularly in the areas of etching masks and magnetic head devices. With a total of 8 patents to his name, Matsukuma's work has had a considerable impact on the industry.
Latest Patents
Matsukuma's latest patents include an etching mask and a method for manufacturing thin-film magnetic heads. The etching mask is crafted from a metal such as Permalloy (NiFe) and features a T-shaped cross-section. This design allows for selective removal of the workpiece surface through ion beam etching, ensuring that the pattern width remains consistent. The resulting pattern is rectangular in cross-section, which is crucial for precision in manufacturing.
The method of manufacturing a thin-film magnetic head involves several steps. It begins with the formation of a three-layer pole tip structure on a lower auxiliary pole. This structure includes a lower pole tip element, a recording gap layer, and an upper pole tip element. The process continues with the deposition of a lower insulating layer, followed by chemical-mechanical polishing to level the surface. A coil conductor is then formed on this layer, and an upper insulating layer is added to cover the conductor, culminating in the formation of an upper auxiliary pole.
Career Highlights
Matsukuma is currently employed at TDK Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of magnetic head devices, which are essential in various electronic applications.
Collaborations
Throughout his career, Matsukuma has collaborated with several talented individuals, including Yasufumi Uno and Tetsuya Mino. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Koji Matsukuma's contributions to the field of technology through his patents and innovative methods have established him as a prominent figure in the industry. His work continues to influence advancements in magnetic head devices and etching technologies.