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Sensor assembly having embedded wires within a powder metal core and a method therefor

  • US 5,315,245 A
  • Filed: 11/25/1992
  • Issued: 05/24/1994
  • Est. Priority Date: 02/27/1992
  • Status: Expired due to Fees
First Claim
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1. A sensor comprising:

  • a magnetic body having a first portion and a second portion, said second portion defining a first surface of said magnetic body, said first portion of said magnetic body comprising compacted particles of a high coercivity magnetic material which are substantially individually coated with an electrically insulative coating, said second portion of said magnetic body comprising compacted particles of a ferromagnetic material which are substantially individually coated with an electrically insulative coating, said compacted particles of said ferromagnetic material being disposed adjacent said first surface of said magnetic body; and

    at least one electrically conductive wire substantially embedded within said magnetic body, said at least one electrically conductive wire being coated with an electrically insulative material, said at least one electrically conductive wire having a terminal end which terminates substantially at said first surface of said magnetic body;

    whereby the presence of said terminal and of said at least one electrically conductive wire at said first surface of said magnetic body facilitates the subsequent electrical connection of said at least one electrically conductive wire to a sensing element subsequently disposed on said first surface of said magnetic body.

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