Patent ID: 6607963
Filing Date: 2003-08-19
Classification: H01L

Abstract:
A method of forming a capacitor of a semiconductor device, comprising:providing a semiconductor substrate; forming a nitride film on the semiconductor substrate, said forming comprising a plasma treatment; forming an Ru film on the nitride film; forming an amorphous TaON film on the Ru film; crystallizing the amorphous TaON film, said crystallizing comprising a thermal treatment; and forming an upper electrode on the crystallized TaON film; wherein forming the nitride film comprises maintaining NH3 gas at a flow rate ranging from 2 sccm to less than 1,000 sccm, an RF power ranging from 2 W to less than 1,000 W, a pressure ranging from 0.1 Torr to 2 Torr, and a processing time ranging from 2 seconds to less than 1,000 seconds.