Patent ID: 6148833
Filing Date: 2000-11-21
Classification: B08B,H01L,Y10S

Abstract:
A sonic cleaning tank for cleaning a thin disk comprising:at least two upwardly angled walls;a first transducer array comprising at least one transducer operatively coupled to a first one of the upwardly angled walls, and extending a distance at least equal to the length of a thin disk to be cleaned thereby; anda second transducer array comprising at least one transducer operatively coupled to a second one of the upwardly angled walls, and extending a distance at least equal to the length of a thin disk to be cleaned thereby;a first wall positioned to receive direct energy from the first transducer array and to reflect in a non-interfering manner the energy received from the first transducer array; anda second wall positioned to receive direct energy from the second transducer array and to reflect in a non-interfering manner the energy received from the second transducer array.