Patent ID: 7645710
Filing Date: 2010-01-12
Classification: H01J,H01L

Abstract:
1. A method of forming a semiconductor device, comprising: forming a dielectric layer having a desired thickness on a surface of a substrate; disposing an amount of a first metal material within the dielectric layer to form a first concentration gradient through at least a portion of the thickness of the formed dielectric layer; disposing an amount of a second metal material different than the first metal material within the dielectric layer to form a second concentration gradient through at least a portion of the thickness of the formed dielectric layer; and depositing a third material over the dielectric layer, wherein the first material is disposed within the dielectric layer using a low energy sputtering process, wherein the low energy sputtering process comprises providing an RE energy at a first RE frequency and a first RF power to a processing region of a low energy sputtering chamber so that a first material of a target can be disposed within the dielectric layer.