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:
Aug. 27, 1985
Filed:
Sep. 04, 1984
Applicant:
Inventors:
Trung H Nguyen, Williamstown, MA (US);
Clinton E Hutchins, Pownal, VT (US);
Assignee:
Sprague Electric Company, North Adams, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 29 ; 204 33 ; 204 42 ; 204 58 ;
Abstract
In the production of low voltage aluminum foil capacitor electrodes, etched and clean foil is subjected to a thermal treatment at about 595.degree. to 650.degree. C. and then anodized in an adipate formation electrolyte. The electrolyte may contain a minor amount of a phosphate salt, or the final reanodization may be carried out in a phosphate electrolyte.