Patent ID: 9378942
Filing Date: 2016-06-28
CPC Classification: C23C,H01J,H01L

Claim Text:
1. A method of depositing an insulating film on a substrate, the method comprising: providing a deposition apparatus including a processing container that defines a processing space in which plasma is generated, a gas supply unit configured to supply gas into the processing space, and a plasma generating unit configured to generate plasma by supplying microwave into the processing container; depositing an insulating film that includes SiN on the substrate by supplying a mixed gas formed by adding H after the depositing of the insulating film including SiN, substituting SiH remaining within the insulating film with SiN by supplying a gas including N repeating the depositing and the substituting plural times, wherein, during the depositing of the insulating film, a pressure within the processing container is controlled to be 400 mTorr or more, and the pressure within the processing container during the depositing of the insulating film is higher than a pressure within the processing container during the substituting of the insulating film, and a processing time for the substituting of the insulating film ranges from 10 seconds to 20 seconds.