Cleaning and liquid contact with solids – Apparatus – With movable means to cause fluid motion
Patent
1991-06-24
1993-04-20
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
With movable means to cause fluid motion
134902, 134151, 134122R, B08B 910
Patent
active
052037983
ABSTRACT:
A cleaning apparatus capable of substantially complete removal of contaminations generated during the manufacturing process of glass substrates, semiconductor wafers, magnetic disk substrates, magnetic head substrates or the like. The cleaning apparatus comprises a cleaning bath which is greater in cross section than the material to be cleaned and which has an opening portion for insertion of the material to be cleaned, and an ultrasonic transducer attached to the cleaning bath. The apparatus precludes various defects arising from contaminations, and enhances reliability and yield of the substrates manufactured.
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Hamano Megumi
Otake Mitsuyoshi
Watanabe Masahiro
Hitachi , Ltd.
Stinson Frankie L.
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