LOW-COST PACKAGE FOR INTEGRATED MEMS SENSORS
First Claim
Patent Images
1. A package comprising:
- a sensor chip with a top surface and a bottom surface;
a substrate with electrical inter-connects, wherein the bottom surface is attached to the substrate; and
a lid coupled to the top surface with adhesive material.
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Abstract
An integrated MEMS sensor package is disclosed. The package comprises a sensor chip with a top surface and a bottom surface. The top surface comprises an opening. The bottom surface is attached to a substrate with electrical inter-connects. A lid is coupled to the top surface with an adhesive material. The lid may have an opening to expose the sensor chip to ambient environment.
32 Citations
22 Claims
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1. A package comprising:
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a sensor chip with a top surface and a bottom surface; a substrate with electrical inter-connects, wherein the bottom surface is attached to the substrate; and a lid coupled to the top surface with adhesive material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A package of integrated sensor comprising:
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a sensor chip; a substrate with electrical inter-connects; a first side of the sensor chip bonded to the substrate; and a lid with no sidewalls bonded to a second side of the sensor chip;
wherein the lid has an opening to expose to ambient environment.
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17. A method of packaging an integrated MEMS device, the method comprising:
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attaching a sensor chip to a substrate;
the sensor chip having an opening in atop surface;connecting sensor chip to the substrate with wire bonds to make electrical connection; and bonding a lid to the top surface of the sensor chip such that the lid covers the sensor chip with a vertical gap between the lid and the substrate. - View Dependent Claims (18)
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19. A method of packaging an integrated MEMS device, the method comprising:
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attaching a first surface of a sensor chip to a substrate using adhesive material; connecting the sensor chip to the substrate with wire bonds to make electrical connection; protecting the wire bonds with low stress material on sensor chip; bonding a lid to a second surface of the sensor chip surface such that a vertical gap between the lid and the substrate. - View Dependent Claims (20, 21)
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22. A package comprising:
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a MEMS die with a top surface and a bottom surface;
wherein the MEMS die has an opening located on the top surface;a CMOS die with a top surface and a bottom surface; a substrate with electrical inter-connects, wherein the MEMS die and the CMOS die are attached to the substrate in a side by side fashion, wherein the bottom surfaces of the MEMS die and the CMOS die are attached to the substrate;
wherein a path from the ambient environment to the opening of the MEMS die is provided.
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Specification