Patent ID: 9611544
Date: 2017-04-04
CPC Classifications: C23C,H01L

Claim:
1. A method of depositing a nitrogen and/or carbon doped dielectric film stack on a substrate surface in a reaction chamber, the method comprising: depositing a first dielectric portion of the dielectric film stack by a process comprising two or more cycles of dielectric deposition, each cycle comprising: forming a first nitrogen and/or carbon rich portion of the dielectric film stack after depositing the first dielectric portion, by a process comprising: depositing a second dielectric portion of the dielectric film stack after forming the first nitrogen and/or carbon rich portion, by a process comprising two or more cycles of dielectric deposition, each cycle comprising (a)-(c); and forming a second nitrogen and/or carbon rich portion of the dielectric film stack after depositing the second dielectric portion, by a process comprising (d); wherein after deposition of the dielectric film stack, the nitrogen and/or carbon concentration in any of the first or second nitrogen and/or carbon rich portions of the stack is greater than the nitrogen and/or carbon concentration in any of the first or second dielectric portions of the stack and wherein nitrogen and/or carbon is present in each of the first and second dielectric portions of the stack.