Patent ID: 8535508

Claim:
A coating method for forming a pattern on a workpiece, the method comprising: providing a workpiece having a workpiece surface; providing a mask having a shape conforming to a predetermined pattern; attaching the mask onto the workpiece, the workpiece surface including a first portion exposed outside and a second portion shielded by the mask; forming a shielding layer on the exposed first portion of the workpiece surface; removing the mask from the workpiece to expose the second portion; forming a coating layer over the shielding layer and the exposed second portion using a physical phase deposition method, the coating layer consisting of a first part overlaying the shielding layer and a second part overlaying the second portion, a thickness of the second part being substantially equal to the sum of the thicknesses of the shielding layer and the thickness of the first part on the shielding layer; attaching the mask onto the coating layer, the mask being aligned with the second portion of the workpiece surface; removing the first part of the coating layer; removing the shielding layer; and removing the mask.