Patent · US Expired

Inductor energy loss reduction techniques

US7247922B2 · kind B2 · utility

3Cited by
8References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2004
Grant dateJul 24, 2007
Priority date
Expiry dateJun 21, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F2017/008
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An inductive device including an inductor coil located over a substrate, at least one electrically insulating layer interposing the inductor coil and the substrate, and a plurality of current interrupters each extending into the substrate, wherein a first aggregate outer boundary of the plurality of current interrupters substantially encompasses a second aggregate outer boundary of the inductor coil.

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