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:
Feb. 05, 2019
Filed:
May. 25, 2017
Varian Semiconductor Equipment Associates, Inc., Gloucester, MA (US);
Fletcher Ian Potter, Beverly, MA (US);
Philip Layne, Salem, MA (US);
Keith A. Fernlund, Newburyport, MA (US);
Michael Swears, Beverly, MA (US);
Richard Allen Sprenkle, South Hamilton, MA (US);
VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC., Gloucester, MA (US);
Abstract
Embodiments of the disclosure include a fixed position mask for workpiece edge treatment. In some embodiments, an apparatus includes a roplat having a rotatable assembly, and a platen coupled to the rotatable assembly, wherein the platen is configured to hold a workpiece. The apparatus further includes a bracket affixed to the rotatable assembly, and a mask directly coupled to the bracket, wherein the mask is positioned adjacent the workpiece. The mask covers an inner portion of the platen and the workpiece, leaving just an outer circumferential edge of the workpiece exposed to an ion treatment. In some embodiments, the platen is permitted to rotate relative to the bracket during an ion treatment. In some embodiments, the mask includes a solid plate section devoid of any openings, and a mounting portion extending from the plate section, wherein the mounting portion is directly coupled to an extension arm of the bracket.