Patent ID: 6532976
Filing Date: 2003-03-18
Classification: B08B,H01L,Y10S

Abstract:
A semiconductor wafer cleaning apparatus comprising:an outer tank; a cleaning tank provided within said outer tank; a wafer carrier provided within said cleaning tank; a plurality of jet nozzles directed toward said wafer carrier, each of said plurality of jet nozzles including a plurality ofjet nozzle holes formed lengthwise therethrough, wherein a first of the plurality of jet nozzles is located at a bottom center of the cleaning tank with the plurality of jet nozzle holes facing upward and a second of the plurality of jet nozzles is located at both sides of the cleaning tank with the plurality ofjet nozzle holes facing a center of the wafer carrier at an oblique angle; a main pipe connected to said jet nozzles; a circulating pump connected to said main pipe and said outer tank for circulating a cleansing solution from said outer tank, through said main pipe, said jet nozzles, and said cleaning tank, and back to said outer tank, the cleansing solution being directly sprayed from said jet nozzles onto left, right, and bottom sides of the wafer; and a filter for filtering said circulated cleansing solution.