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:
Sep. 10, 1985
Filed:
Oct. 19, 1984
Applicant:
Inventors:
Sidney D Ross, Williamstown, MA (US);
Manuel Finkelstein, North Adams, MA (US);
Assignee:
Sprague Electric Company, North Adams, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G / ;
U.S. Cl.
CPC ...
361433 ; 252 622 ;
Abstract
An aluminum electrolytic capacitor has a capacitor section of two aluminum electrode foils, at least one of which bears a barrier layer anodic oxide, wound with interleaved spacer material in contact with an electrolyte containing a phosphate salt, the cation of which is compatible with the cation of the electrolyte solute to prevent precipitation of a phosphate.