HEAT DISSIPATION FOR A CHIP PROTECTED BY AN ANTI-TAMPER BACKGROUND
First Claim
Patent Images
1. An electronic device comprising:
- a circuit board having electronics mounted thereon;
a security shield covering one or more electronics on the circuit board and configured to sense tampering, the one or more electronics including a chip, the security shield defining an aperture; and
a heat sink extending through the aperture and thermally coupling with the chip, the heat sink extending outside of the security shield.
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Abstract
Systems and apparatus disclosed herein provide for heat dissipation from a chip protected by an anti-tamper material. An example electronic device includes a circuit board having electronics mounted thereon, and a security shield covering one or more electronics on the circuit board and configured to sense tampering, the one or more electronics including a chip, the security shield defining an aperture. The device also includes a heat sink extending through the aperture and thermally coupling with the chip, the heat sink extending outside of the security shield.
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Citations
20 Claims
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1. An electronic device comprising:
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a circuit board having electronics mounted thereon; a security shield covering one or more electronics on the circuit board and configured to sense tampering, the one or more electronics including a chip, the security shield defining an aperture; and a heat sink extending through the aperture and thermally coupling with the chip, the heat sink extending outside of the security shield. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of manufacturing an electronic device, the method comprising:
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forming a heat sink including a projection; attaching an anti-tamper material to the heat sink such that the anti-tamper material surrounds the projection and the projection extends through the anti-tamper material; and thermally coupling the projection of the heat sink to a chip on a circuit board. - View Dependent Claims (10, 11, 12)
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13. An electronic device comprising:
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a circuit board having a chip and other electronics mounted thereon; a heat sink thermally coupled to the chip, the heat sink have an inner surface opposite the chip; and an anti-tamper material attached to the inner surface of the heat sink, the anti-tamper material disposed to provide tamper protection for the chip, wherein the heat sink extends through the anti-tamper material to thermally couple with the chip. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification