Location History:
- Hitachinaka, JP (2014)
- Tokyo, JP (2018)
Company Filing History:
Years Active: 2014-2018
Title: Boklae Cho: Innovator in Electron Source Technology
Introduction
Boklae Cho is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electron source technology, holding a total of 2 patents. His work focuses on improving the manufacturing processes of electron sources, which are crucial in various applications, including electron microscopy and semiconductor fabrication.
Latest Patents
Cho's latest patents include a method for manufacturing an electron source and a field-emission electron gun with a control method. The first patent addresses the limitations of conventional methods in processing tips for electron sources. It highlights the importance of controlling the voltage applied during the tip processing to achieve a desired diameter, ranging from 0.1 μm to 2.0 μm. This innovation allows for the production of sharpened tips made from tungsten monocrystal thin wire, enhancing the performance of electron sources. The second patent describes a charged particle beam apparatus that includes a field-emission electron source made of single crystal tungsten. It features a vacuum chamber, an exhausting system, and a controlling unit that regulates the current flow through the filament based on the total current emitted from the electron source.
Career Highlights
Boklae Cho is currently employed at Hitachi High-Technologies Corporation, where he continues to advance his research and development in electron source technologies. His work has been instrumental in enhancing the efficiency and precision of electron sources used in various high-tech applications.
Collaborations
Throughout his career, Cho has collaborated with notable colleagues, including Hisaya Murakoshi and Hisao Nitta. These collaborations have contributed to the successful development of innovative technologies in the field.
Conclusion
Boklae Cho's contributions to electron source technology through his patents and work at Hitachi High-Technologies Corporation highlight his role as a leading inventor in this specialized field. His innovations continue to impact the industry positively.