Patent ID: 6684889
Filing Date: 2004-02-03
Classification: H01L,Y10S

Abstract:
A device for treating a substrate comprising an upper face and a lower face, to remove, by at least a jet of a treatment liquid, unwanted particles borne by said lower face of said substrate, the device comprising:means, operable to be releasably applied on said upper face, for holding said upper face of said substrate such that said lower face to be treated is directed downward; a working surface operable to be directed upward and placed under said lower face of said substrate, facing said lower face; means, mechanically connected to said working surface, for spraying said treatment liquid and directing the at least one jet of treatment liquid upwardly onto said lower face to be treated; and at least one ultrasound transducer, mechanically connected to said working surface, that applies ultrasound waves to said treatment liquid for transmission up to said lower face of said substrate.