Patent · US Expired

Magnetic ferrite composition and process of production thereof

US6790379B2 · kind B2 · utility

30Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2003
Grant dateSep 14, 2004
Priority date
Expiry dateSep 12, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/96
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A magnetic ferrite composition including at least one of Mg, Ni, Cu, Zn, Mn, and Li and having a content of carbon within a predetermined range, for example, over 9.7 weight ppm to less than 96 weight ppm. The composition may be used as the magnetic core for an inductor, transformer, coil, etc. used for radios, televisions, communication devices, office automation equipment, switching power sources, and other electronic apparatuses or magnetic heads for video apparatuses or magnetic disk drives or other electronic components.

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