Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 21, 2011
Patent Application Number
12714491
Date Filed
February 27, 2010
Patent Primary Examiner
Patent abstract
To solve a problem that it becomes difficult to lower contact resistance between nickel-based metal silicide and metal for contact as the result of the miniaturization of the hole. One invention of the present application is a method of manufacturing a semiconductor integrated circuit device having a MISFET subjected to silicidation of a source/drain region and the like by nickel-based metal silicide, the method performing a heat treatment for the upper surface of a silicide film in a non-plasma reducing vapor phase atmosphere containing a gas having a nitrogen-hydrogen bond as one of main gas components, before forming a barrier metal at a contact hole provided at a pre-metal insulating film.
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