Company Filing History:
8 out of 2,692 
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1 out of 3 Years Active: 1979-1994
Title: Arvind Shroff: Innovator in Cathode Manufacturing
Introduction
Arvind Shroff is a notable inventor based in Paris, France. He has made significant contributions to the field of electron tube technology, particularly in the manufacturing of impregnated cathodes. With a total of 10 patents to his name, Shroff's work has streamlined processes and improved the efficiency of cathode production.
Latest Patents
One of Shroff's latest patents is a process for the manufacture of an impregnated cathode. This invention relates to a manufacturing process that involves mixing a powder containing emissive elements, such as barium and calcium aluminates, with a powder of at least one refractory metal, typically tungsten. The mixture is then pressed into a pellet and sintered at high temperatures in hydrogen, approximately 2000°C. This innovative method reduces the number of steps required in the traditional manufacturing process, making it more efficient. Another significant patent involves a method for the fabrication of an impregnated cathode using a sol-gel method. This technique allows the emissive material to partially fill the pores of the cathode body, facilitating material migration towards the surface and ultimately increasing the cathode's lifespan.
Career Highlights
Throughout his career, Arvind Shroff has worked with prominent companies in the industry, including Thomson-CSF and Thomson-Brandt. His experience in these organizations has contributed to his expertise in cathode technology and innovation.
Collaborations
Shroff has collaborated with notable colleagues, including Didier Grauleau and Pierre Palluel. These partnerships have likely enriched his work and led to further advancements in his field.
Conclusion
Arvind Shroff's contributions to the field of cathode manufacturing have been significant and impactful. His innovative patents and career achievements reflect his dedication to advancing technology in electron tubes. His work continues to influence the industry and improve manufacturing processes.