LOW PROFILE HEAT SPREADER AND METHODS
First Claim
Patent Images
1. A semiconductor chip assembly, comprising:
- a semiconductor die attached to a substrate;
a heat spreader located over the semiconductor chip, the heat spreader including;
a planar portion substantially covering the semiconductor die;
two or more structures extending from the planar portion and contacting the substrate;
an adhesive thermal interface layer forming heat conducting interfaces with both the semiconductor die and the heat spreader.
1 Assignment
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Accused Products
Abstract
Embodiments of semiconductor chip assemblies, and methods are shown that include adhesive thermal interface materials between a heat spreader and a semiconductor die. Assemblies and methods are shown where the heat spreader is not adhered to a substrate beneath the semiconductor die.
17 Citations
20 Claims
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1. A semiconductor chip assembly, comprising:
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a semiconductor die attached to a substrate; a heat spreader located over the semiconductor chip, the heat spreader including; a planar portion substantially covering the semiconductor die; two or more structures extending from the planar portion and contacting the substrate; an adhesive thermal interface layer forming heat conducting interfaces with both the semiconductor die and the heat spreader. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A tablet computer, comprising:
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a metallic chassis; a display screen coupled to the metallic chassis, with a space between the metallic chassis and the display screen containing a semiconductor chip assembly, including; a semiconductor die attached to a substrate; a heat spreader located over the semiconductor chip, the heat spreader including; a planar portion substantially covering the semiconductor die; two or more structures extending from the planar portion and contacting the substrate; an adhesive thermal interface layer forming heat conducting interfaces with both the semiconductor die and the heat spreader; and a second thermal interface material forming heat conducting interfaces with both the heat spreader and the metallic chassis. - View Dependent Claims (13, 14, 15)
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16. A method of assembling a semiconductor chip assembly, comprising:
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placing a planar portion of a heat spreader over a semiconductor die on a substrate; controlling a space between the planar portion of the heat spreader and the substrate using two or more structures extending from the planar portion; and adhering the planar portion of the heat spreader to the semiconductor die using an adhesive thermal interface material. - View Dependent Claims (17, 18, 19, 20)
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Specification