Patent · US Active

Method for manufacturing magnetic body and coil component containing magnetic body

US11848151B2 · kind B2 · utility

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1References
8Claims
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Assignee

Inventors

Key dates

Filing dateSep 22, 2022
Grant dateDec 19, 2023
Priority date
Expiry dateSep 22, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/95
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

When manufacturing a magnetic body which is made of a ferrite material containing Fe, Ni, and Zn, and whose Mn content is 0.1288 percent by mass or higher, or a magnetic body which is made of a ferrite material containing Fe, Ni, Zn, and Cu, and whose Mn content is 0.1178 percent by mass or higher, an iron oxide powder whose Mn content is 0.20 percent by mass or higher is used as a raw material powder.

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