Patent ID: 11944995
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC B  H  Y | IPC B

Claim 3:
4. The coating system according to claim 1, wherein the at least one second coating region is disposed at an edge of an outer periphery of the at least one first coating region along a width direction of the substrate, wherein the surface of the substrate further comprises at least one blank region located at a side of the at least one second coating region facing away from the at least one first coating region, the surface of the first roller body is provided with at least one first blank-leaving region adjacent to the at least one first engraving region and corresponding to the at least one blank region of the substrate, the at least one first blank-leaving region has a smooth surface, a width of the at least one first blank-leaving region is greater than a width of the corresponding blank region.