A sensor board, comprising: an insulating substrate; a pair of a positive sensing electrode and a negative sensing electrode which is located in the insulating substrate, the pair of sensing electrodes including at least a pair of a positive columnar electrode and a negative columnar electrode, each of the pair of columnar electrodes comprising a part exposed at a first face of the insulating substrate; and innerlayer wiring lines that are embedded within the insulating substrate and correspond to each of the pair of sensing electrodes, respectively, wherein the positive sensing electrode includes a first positive electrode and a second positive electrode which are located at a surface of the insulating substrate, and the negative sensing electrode includes a first negative electrode disposed adjacent to the first positive electrode in one direction (x) and a second negative electrode disposed adjacent to the second positive electrode in the one direction (x), wherein the first positive electrode, the first negative electrode, the second positive electrode, and the second negative electrode are juxtaposed in the one direction (x) in such a manner that a first electrode pitch which is a center-to-center spacing between the first positive electrode and the second positive electrode, is equal to a second electrode pitch which is a center-to-center spacing between the first negative electrode and the second negative electrode, and an electrode width of the first positive electrode and an electrode width of the first negative electrode are different from each other, or an electrode width of the first positive electrode and an electrode width of the second positive electrode are different from each other. an insulating substrate; a pair of a positive sensing electrode and a negative sensing electrode which is located in the insulating substrate, the pair of sensing electrodes including at least a pair of a positive columnar electrode and a negative columnar electrode, each of the pair of columnar electrodes comprising a part exposed at a first face of the insulating substrate; and innerlayer wiring lines that are embedded within the insulating substrate and correspond to each of the pair of sensing electrodes, respectively, wherein the positive sensing electrode includes a first positive electrode and a second positive electrode which are located at a surface of the insulating substrate, and the negative sensing electrode includes a first negative electrode disposed adjacent to the first positive electrode in one direction (x) and a second negative electrode disposed adjacent to the second positive electrode in the one direction (x), wherein the first positive electrode, the first negative electrode, the second positive electrode, and the second negative electrode are juxtaposed in the one direction (x) in such a manner that a first electrode pitch which is a center-to-center spacing between the first positive electrode and the second positive electrode, is equal to a second electrode pitch which is a center-to-center spacing between the first negative electrode and the second negative electrode, and an electrode width of the first positive electrode and an electrode width of the first negative electrode are different from each other, or an electrode width of the first positive electrode and an electrode width of the second positive electrode are different from each other.