Patent · US Expired

Magnetic material

US5238507A · kind A · utility

23Cited by
12References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 1990
Grant dateAug 24, 1993
Priority date
Expiry dateJun 8, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2991
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A magnetic material is provided which includes a discrete phase including grains made of a first substance which comprises a magnetic metal; and a continuous phase including a thin coating film made of a second substance which comprises a dielectric or insulating substance. The thin coating film is formed on the surface of the grains and has a mean thickness smaller than the mean particle size of the grains. The grains are separated substantially from each other by the thin coating film.

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