Patent ID: 11878540
Assignee: ESKO-GRAPHICS IMAGING GMBH
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A finished flexo plate having a plate floor and comprising:
a plurality of printing dots, each printing dot having an elevation above the plate floor sufficient to transfer ink to a substrate in a printing step using the finished flexo plate;
non-printing indicia defining a pattern of alphanumeric characters, non-text graphics, or a combination thereof, the non-printing indicia configured for persistent readability relative to the plate floor but having a height relative to the plate floor insufficient to transfer ink to the substrate in the printing step, the non-printing indicia disposed on the plate floor in the form of areas of presence and absence of polymer defined by structures comprising a plurality of microdots on the plate floor, each microdot having an elevation relative to the plate floor lower than a printing height.