To provide a sheet body used in manufacturing a laminated component and composed so as to allow the depth of a bottomed hole formed therein to be accurately measured, and to provide an inspection device and an inspection method capable of efficiently inspecting the shape of the bottomed hole thereof with high reliability.

This sheet body with a green sheet formed in a carrier film used in manufacturing a laminated electronic component has the bottomed holes penetrating the green sheet and prevented from penetrating the carrier film, and characterized by that the optical concentration of the carrier film is in the range of 0.5-2.0 as specified by JIS K7605.