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:
May. 13, 2003
Filed:
Jun. 06, 2001
Applicant:
Inventors:
Daniel Francis Persico, Simpsonville, SC (US);
Philip Michael Lessner, Simpsonville, SC (US);
Albert Kennedy Harrington, Mauldin, SC (US);
Lisa Ann Sayetta, Fountain Inn, SC (US);
Assignee:
Kemet Electronics Corporation, Greenville, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 5/140 ;
U.S. Cl.
CPC ...
H01L 5/140 ;
Abstract
Edges of a slit and cut to length foil having a dielectric oxide film on at least one surface are edge formed by comprising anodizing the foil in an aqueous oxalic acid electrolyte, further edge a forming the foil in an aqueous citrate electrolyte, preferably dibasic ammonium citrate electrolyte, depolarizing the foil, and then edge forming the foil in an aqueous phosphate electrolyte, preferably an ammonium dihydrogen phosphate.