Cleaning and liquid contact with solids – Apparatus – Sequential work treating receptacles or stations with means...
Patent
1991-10-01
1994-09-20
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Sequential work treating receptacles or stations with means...
134122R, 134199, 134902, 198817, B08B 302
Patent
active
053480333
ABSTRACT:
A method and apparatus for translating parts along a path between processing stations. In a class of preferred embodiments, the parts are singulated electronic components, and the processing stations include nozzle arrays for directing jets of process fluid (such as water chemicals, gas or air) at the components. Each part rests on a pair of horizontally separated, endless belts. The top, bottom, and side surfaces of each part (and any leads protruding from the parts) are simultaneously exposed to treatment apparatus that may be positioned above and below the belts. If a downward-oriented nozzle array is disposed above the belts and an upward-oriented nozzle array is disposed below the belts, at the same position along the processing path, the top, bottom, and side surfaces of each part can be simultaneously exposed to process fluid jets from the nozzles. Preferably, a net downward fluid pressure is exerted on each part to maintain the part in its proper position at rest on the belts, while the part is exposed to the fluid jets.
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Protest Under 37 C.F.R. 1.2981(a) (Sep. 17, 1993) (with Declaration by Jawn Swan dated Sep. 15, 1993).
National Semiconductor Corporation
Stinson Frankie L.
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