Image sensor device and method of forming same
First Claim
Patent Images
1. An image sensor device, comprising:
- a first substrate comprising;
a first region including a pixel array; and
a second region including a circuit;
an interconnect structure over the pixel array and the circuit, the interconnect structure electrically connecting the circuit to the pixel array;
a conductive layer on the interconnect structure; and
a conductive via passing through a second substrate and at least partially embedded in the conductive layer, the second substrate being over the conductive layer; and
a re-routing layer electrically connected to the conductive via at a location in the first region.
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Abstract
An image sensor device includes a first substrate, an interconnect structure, a conductive layer, a conductive via and a second substrate. The first substrate includes a first region including a pixel array and a second region including a circuit. The interconnect structure is over the pixel array or the circuit. The interconnect structure electrically connecting the circuit to the pixel array. The conductive layer is on the interconnect structure. The conductive via passes through the second substrate and at least partially embedded in the conductive layer. The second substrate is over the conductive layer.
145 Citations
20 Claims
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1. An image sensor device, comprising:
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a first substrate comprising; a first region including a pixel array; and a second region including a circuit; an interconnect structure over the pixel array and the circuit, the interconnect structure electrically connecting the circuit to the pixel array; a conductive layer on the interconnect structure; and a conductive via passing through a second substrate and at least partially embedded in the conductive layer, the second substrate being over the conductive layer; and a re-routing layer electrically connected to the conductive via at a location in the first region. - View Dependent Claims (2, 3, 4, 5, 6, 9)
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7. An image sensor device, comprising:
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a first substrate comprising; a first region including a pixel array; and a second region including a circuit; an interconnect structure over the pixel array and the circuit, the interconnect structure electrically connecting the circuit to the pixel array; a conductive layer on the interconnect structure; and a conductive via passing through a second substrate and at least partially embedded in the conductive layer, the second substrate being over the conductive layer; wherein the conductive layer comprises a portion in the first region, and configured as a pad. - View Dependent Claims (8)
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10. An image sensor device, comprising:
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a first substrate comprising a first region and a second region; a pixel array within the first region; a circuit within the second region; an interconnect structure over the first substrate, the interconnect structure electrically connecting the circuit to the pixel array; a conductive layer on the interconnect structure; a second substrate over the conductive layer; a conductive via in the first region, passing through the second substrate, and partially embedded in the conductive layer; and a re-routing layer electrically connected to the conductive via within the first region. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An image sensor device, comprising:
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a pixel array and a circuit disposed on a first substrate, the pixel array being in a first region of the first substrate and the circuit being in a second region of the first substrate; an interconnect structure disposed over the first substrate, the interconnect structure electrically connecting the circuit to the pixel array; a conductive layer over the interconnect structure; a second substrate bonded to the conductive layer, wherein an opening is disposed in the second substrate and over the first region of the first substrate; and a conductive material disposed in the opening to form a conductive via partially embedded in the conductive layer. - View Dependent Claims (19, 20)
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Specification