Semiconductor package with multiple compartments
First Claim
1. A semiconductor device comprising:
- a first substrate comprising an upper surface, a lower surface, and an upper cavity in the upper surface;
a first electrical component residing in the upper cavity of the first substrate;
a lid covering the upper cavity, the lid comprising at least one port that permits fluid to flow between an environment external to the semiconductor device and the upper cavity;
a second substrate comprising an upper surface; and
a second electrical component mounted to the upper surface of the second substrate;
wherein the lower surface of the first substrate and the upper surface of the second substrate fluidically seal the second electrical component from the upper cavity.
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Abstract
A semiconductor device may include a first substrate, a first electrical component, a lid, a second substrate, and a second electrical component. The first substrate may include an upper surface, a lower surface, and an upper cavity in the upper surface. The first electrical component may reside in the upper cavity of the first substrate. The lid may cover the upper cavity and may include a port that permits fluid to flow between an environment external to the semiconductor device and the upper cavity. The second substrate may include the second electrical component mounted to an upper surface of the second substrate. The lower surface of the first substrate and the upper surface of the second substrate may fluidically seal the second electrical component from the upper cavity.
32 Citations
20 Claims
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1. A semiconductor device comprising:
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a first substrate comprising an upper surface, a lower surface, and an upper cavity in the upper surface; a first electrical component residing in the upper cavity of the first substrate; a lid covering the upper cavity, the lid comprising at least one port that permits fluid to flow between an environment external to the semiconductor device and the upper cavity; a second substrate comprising an upper surface; and a second electrical component mounted to the upper surface of the second substrate; wherein the lower surface of the first substrate and the upper surface of the second substrate fluidically seal the second electrical component from the upper cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A semiconductor device comprising:
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a first substrate comprising an upper surface, a lower surface, an upper cavity in the upper surface, and a lower cavity in the lower surface; an interposer assembly in the upper cavity of the first substrate, the interposer assembly comprising a first micro-electro mechanical systems (MEMS) device; a lid covering the upper cavity, the lid comprising a port that permits fluid to flow between an environment external to the semiconductor device and the upper cavity; a second substrate comprising an upper surface; and a second MEMS device mounted to the upper surface of the second substrate; wherein the lower cavity receives the second MEMS device; and wherein the lower surface of the first substrate and the upper surface of the second substrate seal the second MEMS device within the lower cavity. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of fabricating a semiconductor device, comprising:
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placing a first electrical component in an upper cavity of a first substrate comprising an upper surface, a lower surface, and the upper cavity in the upper surface; covering the upper cavity with a lid comprising at least one port that permits fluid to flow between an environment external to the semiconductor device and the upper cavity; mounting a second electrical component to an upper surface of a second substrate; and affixing the first substrate to the second substrate such that the lower surface of the first substrate and the upper surface of the second substrate fluidically seal the second electrical component from the upper cavity.
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Specification