Tatsuya Tanifuji

Title: Tatsuya Tanifuji: Innovator in Magnetic Recording Technology

Introduction

Tatsuya Tanifuji is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic recording technology. With a total of 3 patents, his work focuses on enhancing the performance and quality of magnetic hard disk substrates.

Latest Patents

Tanifuji's latest patents include innovative methods for producing glass substrates for perpendicular magnetic recording disks. One of his notable inventions describes a glass substrate that achieves an average surface roughness of 2.0μ or less. This substrate also features surface height variations of 1μ or less, with specific wavelengths in both radial and circumferential directions. The production method involves rotating the glass substrate while applying a polishing slurry containing artificial diamond particles. A polishing tape is then pressed onto the surface, moving in the opposite direction of the substrate's rotation.

Another significant patent outlines a method of texturing the surface of a magnetic hard disk substrate. This process includes rotating the substrate, supplying polishing slurry, and pressing a polishing tape onto the surface. The polishing slurry consists of monocrystalline diamond particles that are cluster particles with diameters ranging from 1-10 nm. These particles are dispersed in a suitable dispersant, such as water or a water-based solution.

Career Highlights

Tanifuji is currently employed at Nihon Micro Coating Co., Ltd., where he continues to develop cutting-edge technologies in the field of magnetic recording. His expertise and innovative approaches have positioned him as a key figure in this industry.

Collaborations

Throughout his career, Tanifuji has collaborated with notable colleagues, including Yuji Horie and Hiromitsu Okuyama. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Tatsuya Tanifuji's contributions to magnetic recording technology through his patents and innovative methods have significantly impacted the industry. His work continues to pave the way for advancements in data storage solutions.