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Conductive adhesive for use in a circuit board

  • US 5,432,303 A
  • Filed: 08/25/1994
  • Issued: 07/11/1995
  • Est. Priority Date: 07/19/1991
  • Status: Expired due to Fees
First Claim
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1. An electrically conductive adhesive, comprising in combination:

  • (a) a silicone polymer selected from the group consisting of a phenyl-based silicone polymer and a vinyl-based polysiloxane elastomeric polymer and mixtures thereof;

    (b) a polysiloxane coupling agent;

    (c) a heat stabilizer;

    (d) an anti-oxidizer;

    (e) a peroxide catalyst;

    (f) an adhesive promotor comprising an organofunctional silane and a zirconate coupling agent; and

    (g) a conductive filler selected from the group consisting of silver, silver graphite and silver aluminum.

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