Patent · US Expired

Miniaturized transformer and inverter circuit and discharge tube glow circuit including such miniaturized transformer

US6031341A · kind A · utility

6Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 1997
Grant dateFeb 29, 2000
Priority date
Expiry dateApr 1, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B41/2822
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A miniaturized transformer including (a) a planer or rod-shaped magnetic core having a height of 3 mm or less and constituted by a laminate of thin ribbons each having a thickness of 30 .mu.m or less, each thin ribbon being made of a nanocrystalline soft magnetic alloy having a structure at least partly occupied by crystal grains having an average crystal grain size of 100 nm or less, or an amorphous soft magnetic alloy, (b) at least one primary winding provided around the magnetic core, and (c) at least one secondary winding provided around the magnetic core.

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