Company Filing History:
Years Active: 2004
Title: Innovations of Bu-Chul Sin in Electron-Emission Technology
Introduction
Bu-Chul Sin is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of electron-emission devices, particularly through his innovative patents. With a total of 2 patents, his work focuses on enhancing the performance and longevity of metal cathodes used in various electronic applications.
Latest Patents
Bu-Chul Sin's latest patents include a metal cathode and an indirectly heated cathode assembly. The first patent describes a metal cathode designed for electron-emission devices. This cathode is formed from a quaternary alloy that includes 0.1-20% by weight barium (Ba) and a metallic mobilizer to facilitate Ba diffusion. The design incorporates a metal with a significant difference in atomic radius from platinum (Pt) or palladium (Pd), ensuring a low operating temperature and improved current emission capability. This innovation allows for a longer lifespan at high current density, making it suitable for electron-beam devices like Braun tubes and picture tubes.
The second patent focuses on an indirectly heated metal cathode for electron tubes. This design features a metal sleeve made of molybdenum (Mo) and a metal emitter primarily composed of Pt or Pd. A buffer layer is included to prevent Mo from diffusing into the emitter, which helps maintain electron-emitting performance over time. This advancement meets the long lifespan requirements for large-scale and high-definition electron tubes.
Career Highlights
Bu-Chul Sin is currently employed at Samsung SDI Co., Inc., where he continues to develop innovative technologies in the field of electron-emission devices. His work has been instrumental in advancing the capabilities of electronic components, contributing to the overall improvement of device performance.
Collaborations
Throughout his career, Bu-Chul Sin has collaborated with notable colleagues, including Kyu-Nam Joo and Dong-Kyun Seo. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Bu-Chul Sin's contributions to the field of electron-emission technology highlight his role as a leading inventor. His innovative patents not only enhance the performance of electronic devices but also pave the way for future advancements in the industry.