Patent ID: 8946095
Filing Date: 2015-02-03
Classification: H01L

Abstract:
1. A method of forming an interlayer dielectric film above a metal gate of a metal oxide semiconductor device, comprising: forming a metal gate above a semiconductor substrate; and forming the interlayer dielectric film above and contacting the metal gate by reacting a silicon-containing compound in vapor form as precursor and a reactant for oxidizing the silicon-containing compound, wherein the silicon-containing compound has a formula: wherein: x is in the range of from 1 to 9; y+z+m+n is in the range of from 4 to 20; and A, B, C, and D independently represent a functional group connecting with a silicon atom, and the functional group is selected from a group consisting of alkyl, alkenyl, alkynyl, aryl, alkylaryl, alkoxyl, alkylcarbonyl, carboxyl, alkylcarbonyloxy, amide, amino, alkylcarbonylamino, —NO when one of A, B, C and D is alkoxyl, at least two of A, B, C and D are different from each other.