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Company Filing History:
61 out of 2,636 
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4 out of 164,108 
Years Active: 1999-2016
Title: Innovations of Wen-Chien David Hsiao: A Visionary in Magnetic Recording Technology
Introduction: Wen-Chien David Hsiao is a prominent inventor based in San Jose, California, renowned for his contributions to magnetic recording technology. With an impressive portfolio of 92 patents, Hsiao has significantly influenced the field through his inventive methods and techniques.
Latest Patents: Among his latest patents are innovative methods for forming a magnetic head for perpendicular magnetic recording. One notable patent describes a process for forming a trench where a write pole is deposited, achieved with a single mask and multiple reactive ion etching (RIE) processes. This technique ensures straight side walls and a consistent bevel angle along the write pole's length. Such precision allows for uniformity in the angle at the Air Bearing Surface (ABS), enhancing performance consistency. Another remarkable patent focuses on creating a shield with uniform magnetic properties for a perpendicular magnetic recording head. This involves the use of an amorphous separation layer deposited between the write pole and the seed layer, improving the magnetic response while permitting better control over the crystallographic orientation of the shield. The materials for the amorphous separation layer may include metals like NiNb or NiTa, or insulative materials such as alumina or silicon dioxide.
Career Highlights: Throughout his career, Wen-Chien David Hsiao has worked with notable companies in the industry, including Hitachi Global Storage Technologies Netherlands B.V. and HGST Netherlands B.V. His focus on cutting-edge technology has made him a key figure in the development of innovative storage solutions.
Collaborations: Hsiao's work has included collaborations with esteemed colleagues such as Vladimir Nikitin and Aron Pentek. These partnerships have fostered an environment of innovation and excellence in magnetic recording technology.
Conclusion: Wen-Chien David Hsiao's contributions to the field of magnetic recording technology reflect his expertise and dedication as an inventor. With 92 patents to his name, his innovative methods continue to shape the industry's future, demonstrating the vital role of creativity and collaboration in technological advancement.
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