High-density inter-die interconnect structure
First Claim
Patent Images
14. An integrated circuit device comprising:
- a first integrated circuit including a plurality of discretely operable photo sensors, wherein an operational parameter of each of the plurality of photo sensors is related to the light incident on said first integrated circuit, and wherein said first integrated circuit further comprises a plurality of conductive interconnect elements each one in electrical communication with one or more of said plurality of photo sensors; and
a second integrated circuit having a plurality of connection pads formed on a surface thereof and in electrical communication with said plurality of conductive interconnect elements.
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Abstract
An interconnect architecture for connecting a plurality of closely-spaced electrical elements on a first integrated circuit fabricated structure with operative circuits on a second integrated circuit fabricated structure. In one embodiment, the first integrated circuit fabricated structure comprises a plurality of photo sensors. Conductive interconnect elements on the first integrated circuit fabricated structure provide electrical connection between individual photo sensors and the operative circuitry on the second integrated circuit fabricated structure.
35 Citations
32 Claims
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14. An integrated circuit device comprising:
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a first integrated circuit including a plurality of discretely operable photo sensors, wherein an operational parameter of each of the plurality of photo sensors is related to the light incident on said first integrated circuit, and wherein said first integrated circuit further comprises a plurality of conductive interconnect elements each one in electrical communication with one or more of said plurality of photo sensors; and
a second integrated circuit having a plurality of connection pads formed on a surface thereof and in electrical communication with said plurality of conductive interconnect elements. - View Dependent Claims (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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17-1. The integrated circuit device of claim 14 wherein the plurality of conductive interconnect elements is equal in number to the plurality of photo sensors.
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18-2. The integrated circuit device of claim 14 wherein each one of the plurality of conductive interconnect elements comprises a conductive surface extending above a surface of the first integrated circuit.
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26. A method for fabricating an integrated circuit device comprising:
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fabricating a first integrated circuit including a plurality of discretely operable electrical elements;
fabricating a plurality of conductive interconnect elements in electrical communication with one or more of said plurality of discretely operable electrical elements;
fabricating a second integrated circuit having a plurality of connection pads formed on a surface thereof; and
positioning each one of the plurality of conductive interconnect elements in electrical communication with one of the plurality of connection pads. - View Dependent Claims (27, 28, 29, 30, 31, 32)
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Specification