Patent ID: 6620288
Filing Date: 2003-09-16
Classification: C23C,H01J,H01L

Abstract:
A substrate treatment apparatus comprising:at least first and second treatment chambers; and at least one buffer chamber comprising an exhaust system, wherein the buffer chamber is provided between the first and second treatment chambers, wherein a first connection tube comprising a first gas inlet is provided between the first treatment chamber and the buffer chamber, and a second connection tube comprising a second gas inlet is provided between the second treatment chamber and the buffer chamber, wherein a first composition of first gas introduced into the first connection tube from the first gas inlet is the same as a second composition of second gas which is necessary in the first treatment chamber, wherein a third composition of third gas introduced into the second connection tube from the second gas inlet is the same as a fourth composition of fourth gas which is necessary in the second treatment chamber, wherein the third composition is different from the first composition, and wherein the third gas and the fourth gas comprise oxygen.