The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2012
Filed:
Dec. 23, 2010
Chung-pei Wang, Taipei Hsien, TW;
Chung-Pei Wang, Taipei Hsien, TW;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A coating method for forming a pattern on a workpiece is provided. The method includes the follow steps: providing a workpiece having a surface, forming a coating layer over the surface using a physical vapor deposition method; providing a mask having a shape conforming to a predetermined pattern; attaching the mask to the surface such that a portion of the coating layer is shielded. The coating layer consists of a shielded portion and an unwanted portion surrounding the shielded portion. Finally, removing the unwanted portion of the coating layer using a magnetic abrasive finishing method, and removing the mask to obtain the shielded portion having the predetermined pattern on the workpiece.