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Heat dissipation for a chip protected by an anti-tamper background

  • US 9,066,447 B2
  • Filed: 11/03/2011
  • Issued: 06/23/2015
  • Est. Priority Date: 11/03/2011
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a circuit board having one or more electronics mounted thereon;

    a housing surrounding the circuit board, the housing comprising at least a first part attached to a second part, wherein the circuit board is mounted to the second part;

    a security shield integrated into the first part of the housing and covering the one or more electronics on the circuit board, wherein the one or more electronics are coupled to the security shield, wherein the one or more electronics sense tampering by detecting a change in the security shield, wherein the one or more electronics zeroize data stored in a memory device covered by the security shield in response to such tampering, wherein the one or more electronics include a chip, and the security shield defines an aperture; and

    a heat sink extending through the aperture and thermally conductively coupling with the chip, the heat sink extending outside of the security shield.

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