Michael S McDonald is a notable inventor based in Springfield, VA (US). He has made significant contributions to the field of cathode technology, holding a total of 6 patents. His work focuses on methods and apparatuses that enhance the efficiency and functionality of hollow cathodes.

Latest Patents

Among his latest patents is the "Annular Hollow Cathode," which features a cathode emitter assembly that includes a cathode tube with a gas feed portion and a plasma outflow portion. This innovative design incorporates an outer annular cathode insert and an inner cathode insert, creating an annular plasma emission portion that optimizes plasma flow. Another significant patent is for "Methods and Apparatuses for Emitting Electrons from a Hollow Cathode." This invention includes a plasma holding region, a gas supply source, and an orifice plate with multiple openings designed to receive electrons from the plasma, effectively decoupling gas conductance and electrical conductance.

Career Highlights

Michael has worked with the USA as represented by the Secretary of the Navy, contributing his expertise to various projects. His innovative designs and patents have played a crucial role in advancing cathode technology.

Collaborations

Throughout his career, Michael has collaborated with notable professionals, including Marcel Georgin and Kevin Jensen. These partnerships have fostered a creative environment that has led to groundbreaking advancements in his field.

Conclusion

Michael S McDonald is a distinguished inventor whose work in cathode technology has resulted in multiple patents and significant advancements. His contributions continue to influence the industry and inspire future innovations.

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