Patent ID: 8557717
Filing Date: 2013-10-15
Classification: C23C,H01L

Abstract:
1. A method for manufacturing a semiconductor device, comprising: exposing a silicon layer to a first atmosphere to form a nitride layer on the silicon layer, the first atmosphere containing a nitriding gas nitriding the silicon layer and a first diluent gas not actually reacting with the silicon layer during production, the ratio of the sum of the partial pressure of the first diluent gas and the partial pressure of the nitriding gas to the partial pressure of the nitriding gas being 5 or higher, and the total pressure of the first atmosphere being 3 Torr or higher but 40 Torr or lower; and exposing the silicon layer having the nitride layer to a second atmosphere, the second atmosphere containing an oxidizing gas and a second diluent gas not actually reacting with the silicon layer during production.