Patent ID: 9552986
Date: 2017-01-24
CPC Classifications: C23C,H01L,Y10S,Y10T

Claim:
1. A method of forming a memory device comprising: setting an initial base pressure of a process gas in a vacuum chamber; maintaining a pressure of the process gas at a value including or between 0.3 mTorr and 10 mTorr; applying a power level based at least in part on the maintained pressure to a single sputter target comprising a first concentration of silver equal to 66.7 atomic weight percent and a second concentration of selenide; and forming a film over a substrate based at least in part on the application of the power level and the maintenance of the pressure, wherein the film comprises a third concentration of silver between 66.7 atomic weight percent and 67.5 atomic weight percent and a fourth concentration of selenide.