Patent ID: 8486241
Filing Date: 2013-07-16
Classification: B01F,C23C,H01J

Abstract:
1. A sputtering apparatus, comprising: a sputtering chamber; and a gas supply system for supplying mixed gas into the sputtering chamber, the gas supply system comprising: a plurality of first input lines for supplying gas; a plurality of second input lines; a plurality of third input lines; a first mixing tank communicating with the second input lines and the sputtering chamber; a second mixing tank communicating with the third input lines and the sputtering chamber; a first output line communicating with the first mixing tank, a second output line communicating with the second mixing tank, and a third output line connected to a joining portion between the first output line and the second output line, wherein the third output line communicates with the sputtering chamber; and a plurality of three-way valves, each three-way valve communicating with a respective one of the first input lines, a respective one of the second input lines and a respective one of the third input lines such that gas in the first input lines can be alternately introduced into the first mixing tank or the second mixing tank.