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Electronic device for voltage switchable dielectric material having high aspect ratio particles

  • US 7,981,325 B2
  • Filed: 02/10/2010
  • Issued: 07/19/2011
  • Est. Priority Date: 07/29/2006
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a layer of voltage switchable dielectric (VSD) material formed by;

    (i) applying a mixture to a substrate, the mixture comprising a polymer binder, a first set of conductor and/or semi-conductor particles, and a second set of nanoscale high aspect ratio (HAR) particles other than said first set of conductor and/or semi-conductor particles; and

    ;

    (ii) curing the mixture on the substrate;

    wherein an amount of particles dispersed in the binder, including the first set of conductor and/or semiconductor particles and the second set of nanoscale HAR particles, is sufficiently low so that a percolation threshold of the VSD material is not reached.

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