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Input device including a layer of particles

  • US 20050237309A1
  • Filed: 04/26/2004
  • Published: 10/27/2005
  • Est. Priority Date: 04/26/2004
  • Status: Active Grant
First Claim
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1. An input device, comprising:

  • a plurality of MRAM cells, each including a sense layer having a magnetic orientation; and

    a layer of particles including at least one particle located near at least one cell of the plurality of MRAM cells, wherein the at least one particle affects an orientation of the magnetic field of the sense layer of the at least one cell.

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