Patent ID: 6324715
Filing Date: 2001-12-04
Classification: A46B,B08B,H01L,Y10S

Abstract:
A scrubber for performing a chemical mechanical scrubbing process for cleaning of a semiconductor substrate comprising:an input to receive the semiconductor substrate;a first brush assembly coupled to the input and comprisinga first chemical mechanical semiconductor scrubbing brush having an interior portion and an exterior portion, anda first solution delivery system coupled to the first brush to deliver a first cleaning solution to the interior portion of the first brush for application through the first brush to the exterior portion of the first brush and the semiconductor substrate; anda second brush assembly coupled to an output of the first brush assembly and comprisinga second chemical mechanical semiconductor scrubbing brush having an interior portion and an exterior portion, anda second solution delivery system coupled to the second brush to deliver a second cleaning solution to the interior portion of the second brush for application through the second brush to the exterior portion of the second brush and the semiconductor substrate;wherein at least one of the first and second cleaning solutions comprises and SC1 cleaning solution.