Patent ID: 7105060
Filing Date: 2006-09-12
Classification: C23C,H01L

Abstract:
1. A film forming apparatus, comprising: a reactor evacuated from an evacuation port, said reactor accommodating therein a stage; an evacuation system connected to said evacuation port; a first source supply line supplying a first gas containing Ti to said reactor via a switching valve; a second source supply line supplying a second gas containing Si to said reactor; a third source supply line supplying a third gas containing N to said reactor; and a controller controlling said switching valve, such that first and second supplying steps are conducted alternately and repeatedly, said first supplying step supplying said first gas, said second gas and said third gas to said reactor, said second supplying step supplying said second gas and said third gas to said reactor, said controller interrupting supply of said first gas to said reactor intermittently and repeatedly.