Bio-sensing and temperature-sensing integrated circuit
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorsTung-Tsun Chen, Yi-Shao Liu, Jui-Cheng Huang, Chin-Hua Wen, Felix Ying-Kit Tsui, Yung-Chow Peng
Life of this patent
Estimating the term…
Abstract
An integrated circuit includes a plurality of sensing pixels, each sensing pixel including a sensing film portion, a bio-sensing device configured to generate a first signal responsive to an electrical characteristic of the sensing film portion, a first switching device coupled between the bio-sensing device and a first signal path, a temperature-sensing device configured to generate a second signal responsive to a temperature of the sensing film portion, and a second switching device coupled between the temperature-sensing device and a second signal path.
Claims20
An integrated circuit, comprising:
- a plurality of sensing pixels, each sensing pixel of the plurality of sensing pixels comprising:
- a sensing film portion;
- a bio-sensing device positioned adjacent to the sensing film portion and configured to generate a first signal responsive to an electrical characteristic of the sensing film portion;
- a first switching device coupled between a first end of the bio-sensing device and a first signal path;
- a temperature-sensing device positioned adjacent to the sensing film portion and configured to generate a second signal responsive to a temperature of the sensing film portion;
- and
- a second switching device coupled between a first end of the temperature-sensing device and a second signal path,
- wherein second ends of the bio-sensing and temperature-sensing devices are coupled together and configured to receive a reference voltage.
An integrated circuit, comprising:
- a plurality of sensing pixels, each sensing pixel of the plurality of sensing pixels comprising:
- a sensing film portion;
- a bio-sensing device and a first switching device coupled in series between a reference voltage node and a first signal path;
- and
- a temperature-sensing device and a second switching device coupled in series between the reference voltage node and a second signal path,
- wherein
- the bio-sensing device is positioned adjacent to the sensing film portion and configured to generate a bio-sensing signal responsive to an electrical characteristic of the sensing film portion, and
- the temperature-sensing device is positioned adjacent to the sensing film portion and configured to generate a temperature-sensing signal responsive to a temperature of the sensing film portion.
An integrated circuit, comprising:
- a plurality of sensing pixels, each sensing pixel of the plurality of sensing pixels comprising:
- a sensing film portion positioned adjacent to a silicon layer;
- a bio-sensing device and a first switching device coupled in series between a reference voltage node and a first signal path;
- and
- a temperature-sensing device and a second switching device coupled in series between the reference voltage node and a second signal path,
- wherein
- each of the bio-sensing device, the temperature-sensing device and the first and second switching devices is positioned within the silicon layer,
- the bio-sensing device is configured to generate a bio-sensing signal responsive to an electrical characteristic of the sensing film portion, and
- the temperature-sensing device is configured to generate a temperature-sensing signal responsive to a temperature of the sensing film portion.
Dependencies are inferred from the claim text.