Nikolai N Chubun

Title: Innovations of Inventor Nikolai N Chubun

Introduction

Nikolai N Chubun is a prominent inventor based in San Jose, CA (US). He holds a total of 7 patents that showcase his contributions to the field of electron sources and e-beam devices. His work has significantly advanced the technology used in various applications.

Latest Patents

One of his latest patents is titled "Electron source with magnetic suppressor electrode." This invention discloses an electron source that includes an electron emitter designed to generate one or more electron beams. The electron source features a magnetic suppressor electrode that surrounds part of the electron emitter, formed from magnetic materials. This suppressor is configured to shield the electron emitter from an axial magnetic field. Additionally, the design includes an extractor electrode positioned adjacent to the tip of the electron emitter.

Another notable patent is "Cold-field-emitter electron gun with self-cleaning extractor using reversed e-beam current." This e-beam device incorporates a cold-field emission source to emit electrons and an extractor electrode that is positively biased to extract these electrons. The extractor electrode has a first opening for the electrons, while a mirror electrode with a second opening can be biased positively or negatively during different operational modes. The device also includes an anode that is positively biased with respect to both the extractor electrode and the cold-field emission source.

Career Highlights

Throughout his career, Nikolai N Chubun has worked with notable companies such as Kla Corporation and KLA-Tencor Technologies Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Nikolai has collaborated with several professionals in his field, including Xinrong Jiang and Christopher Sears. Their teamwork has likely fostered advancements in the technologies they have worked on together.

Conclusion

Nikolai N Chubun's contributions to the field of electron sources and e-beam devices are significant. His innovative patents and collaborations reflect his dedication to advancing technology in this area.