Company Filing History:
Years Active: 1992
Title: Hwan-cheol No: Innovator in Dispenser Cathode Technology
Introduction
Hwan-cheol No is a notable inventor based in Suwon, South Korea. He has made significant contributions to the field of electron emission technology, particularly through his innovative work on dispenser cathodes. With a total of 2 patents to his name, No continues to push the boundaries of technology in his field.
Latest Patents
Hwan-cheol No's latest patents focus on advancements in dispenser cathodes. The first patent describes a dispenser cathode that comprises an electron emissive material including at least one selected from the group consisting of Ba and Ba oxide. This design features a porous metal base body with multiple diffusing cavities positioned on the electron emissive material, along with an alloy thin film layer made of scandium tungstate and tungsten. This configuration significantly reduces the activation aging time compared to conventional dispenser cathodes, while also preventing damage to Sc from ion bombardment, thus ensuring stable thermoelectron emission.
The second patent also pertains to a dispenser cathode, which includes an electron emissive material containing BaAl.sub.4 and Ni, a porous metal base body, and a sleeve. Similar to the first patent, this invention greatly shortens the activation aging time, leading to increased productivity in manufacturing processes.
Career Highlights
Hwan-cheol No is currently employed at Samsung Electron Devices Co., Ltd., where he applies his expertise in developing cutting-edge technologies. His work has been instrumental in enhancing the performance and reliability of electron emission devices.
Collaborations
Throughout his career, Hwan-cheol No has collaborated with talented individuals such as Jong-in Jeong and Jong-seo Choi. These partnerships have contributed to the successful development of innovative technologies in the field.
Conclusion
Hwan-cheol No is a prominent inventor whose work on dispenser cathodes has the potential to revolutionize electron emission technology. His contributions continue to influence advancements in the industry, showcasing the importance of innovation in driving technological progress.