Tatsuo Araki

Title: Innovations of Tatsuo Araki

Introduction

Tatsuo Araki is a notable inventor based in Ohtsu, Japan. He has made significant contributions to the field of information recording technology. With a total of 6 patents to his name, Araki's work has advanced the capabilities of optical and magnetic recording media.

Latest Patents

Araki's latest patents include a substrate for information recording disks, a mold and stamper for injection molding substrates, and a method for making stampers. His innovative approach involves coarsely polishing a cavity surface-forming plate of a mold for injection-molding a plastic substrate. He applies electroless Ni–P plating to define the cavity surface, achieving a surface roughness of Ra ≤ 2.0 nm and Rmax ≤ 22 nm. This results in a plastic substrate that has smoothness equivalent to the polished plating surface. Additionally, he has developed a magneto-optical recording medium that comprises a reflective layer, dielectric layers, and a recording layer, which enhances the performance of optical recording devices.

Career Highlights

Throughout his career, Tatsuo Araki has worked with prominent companies such as Hitachi Maxell, Limited and Hitachi Maxwell, Ltd. His expertise in the field has led to the development of advanced technologies that are widely used in the industry.

Collaborations

Araki has collaborated with notable individuals in his field, including Osamu Ishizaki and Tsuyoshi Maro. These collaborations have contributed to the success of his innovative projects.

Conclusion

Tatsuo Araki's contributions to the field of information recording technology are significant and impactful. His patents reflect a deep understanding of the complexities involved in optical and magnetic recording systems. His work continues to influence advancements in this vital area of technology.