HEAT SINK STRUCTURE AND SEMICONDUCTOR PACKAGE AS WELL AS METHOD FOR CONFIGURING HEAT SINKS ON A SEMICONDUCTOR PACKAGE
First Claim
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1. A heat sink structure, comprising:
- a heat sink having a first surface, a second surface opposing to the first surface and a through opening extending from the first surface through to the second surface; and
a solder disposed in the through opening and on the second surface of the heat sink, wherein the portion of the solder in the through opening is connected with the portion of the solder on the second surface.
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Abstract
A heat sink structure according to the present invention is provided. The heat sink has a through opening extending from the upper surface through to the lower surface. A solder is disposed in the through opening and on the upper and lower surfaces of the heat sink, wherein the portion of the solder in the through opening is connected with the portions of the solder on the upper and lower surfaces.
13 Citations
18 Claims
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1. A heat sink structure, comprising:
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a heat sink having a first surface, a second surface opposing to the first surface and a through opening extending from the first surface through to the second surface; and a solder disposed in the through opening and on the second surface of the heat sink, wherein the portion of the solder in the through opening is connected with the portion of the solder on the second surface. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for configuring heat sinks on a semiconductor package, comprising the steps of:
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providing a substrate, the substrate having upper and lower surfaces; disposing a chip on the upper surface of the substrate; providing a first heat sink, the first heat sink having upper and lower surfaces, wherein the upper and lower surfaces of the first heat sink are pre-applied with a solder; disposing the first heat sink on the chip; disposing a second heat sink on the first heat sink; and performing a reflow process to have the portions of the solder on the upper and lower surfaces of the first heat sink affixed to the second heat sink and the chip, respectively. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A semiconductor package, comprising:
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a substrate having upper and lower surfaces; a chip disposed on the upper surface of the substrate; a first heat sink disposed on the chip, having an upper surface, a lower surface and a through opening extending from the upper surface through to the lower surface; and a solder affixed in the through opening of the first heat sink and between the chip and first heat sink. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification