Electronics assembly and electronics package carrier therefor
First Claim
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1. An electronics assembly comprising:
- a substrate;
at least one electronics package connected to the substrate, said electronics package comprising electrical circuitry and first and second sides;
a heat sink device positioned in thermal communication with the first side surface of the electronics package; and
a carrier disposed between the substrate and the heat sink device, said carrier comprising a resilient wall for biasing the electronics package towards the heat sink device such that a controlled bond line is provided between the first side of the electronics package and the heat sink device, wherein the carrier further comprises a plurality of fingers formed in the resilient wall that bias the electronics package towards the heat sink device.
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Abstract
An electronics assembly is provided having a carrier that provides a controlled height variability between electronics packages and a heat sink device. The electronics assembly includes a substrate and electronics packages connected to the substrate. The assembly also includes a heat sink device positioned in thermal communication with a first side of the electronics packages. The assembly further includes a carrier disposed between the substrate and the heat sink device. The carrier has a resilient wall that biases the electronics packages towards the heat sink device such that a controlled bond line is provided between the first side of the electronics packages and the heat sink device.
28 Citations
18 Claims
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1. An electronics assembly comprising:
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a substrate; at least one electronics package connected to the substrate, said electronics package comprising electrical circuitry and first and second sides; a heat sink device positioned in thermal communication with the first side surface of the electronics package; and a carrier disposed between the substrate and the heat sink device, said carrier comprising a resilient wall for biasing the electronics package towards the heat sink device such that a controlled bond line is provided between the first side of the electronics package and the heat sink device, wherein the carrier further comprises a plurality of fingers formed in the resilient wall that bias the electronics package towards the heat sink device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An electronics package carrier for use in an electronics assembly, said carrier comprising:
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a frame generally defining at least one area for receiving an electronics package, wherein the electronics package connects to a substrate on a first side and is in thermal communication with a heat sink device on the opposite second side; a resilient wall formed at the at least one area for biasing the electronics package towards a heat sink device; connecting members adapted to engage a member of the electronics assembly to hold the electronics package in a desired orientation relative to the heat sink device such as to provide a controlled bond line; and wherein the connecting members comprising a plurality of upstanding fingers formed on the resilient wall to contact the electronics package. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification