The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 09, 2010
Filed:
May. 30, 2007
Jeffrey Poltorak, Fountain Inn, SC (US);
Yongjian Qiu, Greenville, SC (US);
Christian Guerrero, Travelers Rest, SC (US);
Lance Paul Thornton, Simpsonville, SC (US);
Randy S. Hahn, Simpsonville, SC (US);
James C. Bates, Jr., Brownsville, TX (US);
John Prymak, Greer, SC (US);
Jeffrey Poltorak, Fountain Inn, SC (US);
Yongjian Qiu, Greenville, SC (US);
Christian Guerrero, Travelers Rest, SC (US);
Lance Paul Thornton, Simpsonville, SC (US);
Randy S. Hahn, Simpsonville, SC (US);
James C. Bates, Jr., Brownsville, TX (US);
John Prymak, Greer, SC (US);
Kemet Electronics Corporation, Greenville, SC (US);
Abstract
Porous sintered anode bodies for capacitors formed from valve metals are treated by electrolysis to form a dielectric layer and coated with cathode layers. When standard parallelpiped shapes are used, cathode coverage at the edges and corners is non-uniform and failures occur at those locations. Rectangular prisms, obround prisms and cylindrical prisms are formed with transition surfaces at edges and corners, such as chamfers and curves, to enhance cathode layer uniformity. The transition surface greatly enhances the application of polymer slurries.