Company Filing History:
1 out of 1 
1 out of 37 Years Active: 1979-1981
Title: The Innovations of Jean Vasseux
Introduction
Jean Vasseux is a notable inventor based in Paris, France. He has made significant contributions to the field of electronics, particularly in the development of tantalum solid electrolyte capacitors. With a total of 2 patents, Vasseux has demonstrated his expertise and innovative spirit in his work.
Latest Patents
Vasseux's latest patents include a process for the manufacture of tantalum solid electrolyte capacitors. This process involves accelerated aging of solid electrolyte tantalum capacitors in batches by immersing the capacitors in a semiconducting powder contained in a conductive receptacle. This receptacle is connected to one terminal of a direct current voltage source, with the other terminal connected to the anode leads of the capacitors. The voltage of the source is maintained between 1.2 and 1.8 times the capacitor's rated voltage, and the receptacle is kept at temperatures between 25°C and 180°C for a minimum of two hours. Another significant patent involves the surface treatment of the anodes for tantalum capacitors. This process includes anodization of sintered anodes in two successive steps, separated by a cleaning step in an acid bath. The capacitors produced from these anodes exhibit a substantially lower direct leakage current compared to those made with prior art anodes, and they are also less sensitive to temperature variations.
Career Highlights
Throughout his career, Vasseux has worked with several companies, including Société Lignes Télégraphiques et Téléphoniques. His work has been instrumental in advancing the technology behind tantalum capacitors, making them more efficient and reliable.
Collaborations
Vasseux has collaborated with notable individuals in his field, including Balint Escher and Dominique Prince. These collaborations have contributed to the innovative processes and technologies he has developed.
Conclusion
Jean Vasseux is a distinguished inventor whose work in tantalum solid electrolyte capacitors has made a significant impact in the electronics industry. His innovative patents and career achievements highlight his dedication to advancing technology.