Patent · US Expired

Process for manufacturing dielectric member

US4209365A · kind A · utility

2Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1978
Grant dateJun 24, 1980
Priority date
Expiry dateDec 29, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B19/04
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A process for manufacturing a dielectric member from aluminum or aluminum alloy which includes the steps of subjecting the aluminum or aluminum alloy to anodic oxidation in a nonaqueous electrolytic solution containing an organic solvent and dehydrated boric acid to form an oxide layer thereon, and buffing the oxide layer with a composition containing insulative abrasive grains and insulative binding material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.