Chip shuttle track

Details Chip shuttle track Chip shuttle track

1980-12-19

1983-07-26

Love, John J.

Conveyors: fluid current

Having means for maintaining load in suspension along flow path

By load supporting jets

B65G 5102

Patent

active

043951651

ABSTRACT:
A transport system is disclosed, including an air film shuttle conveyor for conveying semiconductor chips from a loading to an unloading station, the conveyor comprising a base plate and upstanding side guide walls extending longitudinally of the base plate, the guide walls being spaced apart a distance slightly greater than the lateral dimension of said chips; further included are means providing a laminar air flow which surrounds the chips and forms an air film supporting them and propelling them downstream such that the slight spacing between the chips and the guide walls causes the flow resistance to be higher in the one region defined by said slight spacing than in the region defined by the spacing between the chips, whereby a continuous and flexible separation action occurs between the chips.

REFERENCES:
patent: 2805898 (1957-09-01), Willis
patent: 3180688 (1965-04-01), Futer
patent: 3350140 (1967-10-01), Sprydom
patent: 3614168 (1971-10-01), Range
patent: 3976330 (1976-08-01), Babinski et al.
patent: 4050729 (1977-09-01), Hupson
patent: 4081201 (1978-03-01), Hassan et al.
patent: 4165132 (1979-08-01), Hassan et al.
IBM Journal-Air Film System for Handling Semiconductor Waters-Parvanas 1979.
IBM Technical Disclosure-Self-Centering Air Lift Transport-Apgar et al. 12/1975.

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