Patent ID: 11913838
Assignee: SCREEN HOLDINGS CO., LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 13:
14. An inspection method of inspecting a printed image printed on a print surface of a transparent base material, the method comprising:
a) a process of, in a state where a background plate having a background surface that faces the print surface of the transparent base material is disposed on a print surface side of the transparent base material, imaging the transparent base material from another side opposite the print surface side of the transparent base material; and
b) a process of inspecting quality of the printed image based on a captured image obtained in the process a), wherein
in the process a), projected light in different colors depending on the printed image is emitted on a surface of the background plate on a transparent base material side.