×

Powdered iron core magnetic devices

  • US 4,601,765 A
  • Filed: 05/05/1983
  • Issued: 07/22/1986
  • Est. Priority Date: 05/05/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A magnetic core comprising densely packed iron particles having a coating of an alkali metal silicate insulating material and an overcoating of a polymer film selected from the group consisting of silicones, polyimides, fluorocarbons and acrylics, said coating and overcoating providing substantial insulation between particles.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×