Imaging device with improved layout of reading circuit transistors
AssigneeSony Semiconductor Solutions Corporation
InventorShinichi Yoshida
Life of this patent
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Abstract
Provided is an imaging device in which the degree of freedom in the layout can be improved. The imaging device includes a first substrate part that includes a sensor pixel to perform photoelectric conversion, and a second substrate part that is disposed on one surface side of the first substrate part and that includes a reading circuit to output a pixel signal based on an electric charge outputted from the sensor pixel. The second substrate part includes a first semiconductor substrate on which a first transistor included in the reading circuit is disposed, and a second semiconductor substrate which is disposed on one surface side of the first semiconductor substrate and on which a second transistor included in the reading circuit is disposed.
Claims20
An imaging device, comprising:
- a first substrate part that includes a sensor pixel to perform photoelectric conversion;
- and
- a second substrate part that is disposed on one surface side of the first substrate part and includes a reading circuit to output a pixel signal based on an electric charge output from the sensor pixel,
- wherein the second substrate part includes:
- a first semiconductor substrate on which a first transistor included in the reading circuit is disposed;
- and
- a second semiconductor substrate that is disposed on one surface side of the first semiconductor substrate and on which a second transistor included in the reading circuit is disposed,
- wherein a layered body including the first substrate part and the second substrate part includes a line group that is electrically connected to the sensor pixel, and
- wherein in a plan view from a thickness direction of the layered body, at least part of the line group is disposed to have bilateral symmetry with an amplification transistor being interposed.
An imaging device, comprising:
- a first substrate part that includes a sensor pixel to perform photoelectric conversion;
- and
- a second substrate part that is disposed on one surface side of the first substrate part and includes a reading circuit to output a pixel signal based on an electric charge output from the sensor pixel,
- wherein the second substrate part includes:
- a semiconductor substrate on which a first transistor included in the reading circuit is disposed, and
- a semiconductor film that is disposed on one surface side of the semiconductor substrate and on which a second transistor included in the reading circuit is disposed,
- wherein a layered body including the first substrate part and the second substrate part includes a line group that is electrically connected to the sensor pixel, and
- wherein in a plan view from a thickness direction of the layered body, at least part of the line group is disposed to have bilateral symmetry with an amplification transistor being interposed.
Dependencies are inferred from the claim text.