公开(公告)号：US11243198B2

公开(公告)日：2022-02-08

申请号：US16879340

申请日：2020-05-20

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Yu-Ying Lin ,  Ying-Che Lo ,  Chung-Yi Hsu ,  Po-Jen Su

IPC: G01N33/00 ,  G01N27/12

Abstract: A gas sensing device is adapted to detect a concentration of a target gas. The gas sensing device comprises a dielectric layer, a reference sensing portion, a target sensing portion, and a controller. The dielectric layer is disposed on a surface. The reference sensing portion and the target sensing portion are respectively disposed on a supporting side of the dielectric layer, with said supporting side facing away from the surface. The reference sensing portion includes a first conductive layer and a first sensing layer with low sensitivity to the target gas. The target sensing portion includes a second conductive layer and a second sensing layer with high sensitivity to the target gas. The controller obtains the immittance values of the first conductive layer and the second conductive layer, and calculates a concentration value of the target gas according to the immittance values and a correlation function.

公开(公告)号：US11913925B2

公开(公告)日：2024-02-27

申请号：US17125968

申请日：2020-12-17

Applicant: Industrial Technology Research Institute

Inventor： Ying-Che Lo ,  Yu-Sheng Lin ,  Po-Jen Su ,  Ting-Hao Hsiao

IPC: G01L27/00 ,  G01L9/12 ,  G01N33/00 ,  G01N27/12 ,  G01K7/16

CPC classification number: G01N33/0006 ,  G01K7/16 ,  G01L9/125 ,  G01L27/002 ,  G01N27/121

Abstract: A sensing device is provided. The sensing device includes a processing circuit and a multi-sensor integrated single chip. The multi-sensor integrated single chip includes a substrate and a temperature sensor, a pressure sensor, and an environmental sensor disposed on the substrate. The temperature sensor senses temperature. The pressure sensor senses pressure. The environmental sensor senses an environmental state. The processing circuit obtains a first sensed temperature value from the temperature sensor when the environmental sensor does not operate, and it obtains a second sensed temperature value from the temperature sensor when the environmental sensor operates. The processing circuit obtains a sensed pressure value from the pressure sensor. The processing circuit obtains at least one temperature calibration reference of the pressure sensor according to the first and second sensed temperature values and calibrates the sensed pressure value according to the temperature calibration reference.