Multi-substrate image sensor having a dual detection function
AssigneeSiliconfile Technologies Inc.
InventorDo Young Lee
Life of this patent
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Abstract
The present invention relates to an image sensor in which substrates are stacked, wherein a substrate-stacked image sensor according to the present invention is configured such that a first photodiode is formed on a first substrate, a second photodiode is formed on a second substrate, the two substrates are aligned with and bonded to each other to electrically couple the two photodiodes to each other, thereby forming a complete photodiode within one pixel.
Claims20
A multi-substrate image sensor having a dual detection function, the senor comprising:
- a first photodiode formed on a first substrate;
- and
- a second photodiode formed on a second substrate,
- wherein the first photodiode and the second photodiode are in electric contact with each other.
A multi-substrate image sensor having a dual detection function, the senor comprising:
- a first photodiode and a first pad formed on a first substrate;
- and
- a second photodiode and a second pad formed on a second substrate,
- wherein the first photodiode and the second photodiode are electrically coupled to each other by contact of the first pad and the second pad.
A multi-substrate image sensor having a dual detection function, the senor comprising:
- a first photodiode and a first transfer transistor formed on a first substrate;
- and
- a second photodiode and a second transfer transistor formed on a second substrate,
- wherein the first photodiode, the second photodiode, the first transfer transistor, and the second transfer transistor are in electric contact with each other.
A multi-substrate image sensor having a dual detection function, the senor comprising:
- a first photodiode and a first transfer transistor formed on a first substrate;
- and
- a second photodiode formed on a second substrate,
- wherein the first photodiode and the second photodiode are in electric contact with each other.
A multi-substrate image sensor having a dual detection function, the senor comprising:
- a first photodiode formed on a first substrate;
- and
- a second photodiode and a second transfer transistor formed on a second substrate,
- wherein the first photodiode and the second photodiode are in electric contact with each other.
Dependencies are inferred from the claim text.