Patent ID: 6635583
Filing Date: 2003-10-21
Classification: C23C,C30B,H01L,Y10S

Abstract:
A method of processing a substrate, comprising:depositing a silicon carbide barrier layer adjacent the substrate, wherein the silicon carbide barrier layer is deposited by: introducing silicon, carbon, and a noble gas into a chamber; initiating a plasma in the chamber; and reacting the silicon and the carbon in the presence of the plasma to deposit silicon carbide material, wherein the silicon carbide barrier layer has a low dielectric constant and is anti-reflective at ultraviolet wavelengths; depositing a dielectric layer adjacent the silicon carbide barrier layer; depositing an etch stop adjacent the dielectric layer, wherein the etch stop comprises silicon carbide deposited by: introducing silicon, carbon, and a noble gas into a chamber; initiating a plasma in the chamber; and reacting the silicon and the carbon in the presence of the plasma to deposit silicon carbide material; and depositing a photoresist layer adjacent the etch stop.