Chip supplying apparatus performing stable blue-film-expansion o

Details Chip supplying apparatus performing stable blue-film-expansion o Chip supplying apparatus performing stable blue-film-expansion o

1997-10-21

2000-10-17

Werner, Frank E.

Material or article handling

Device for emptying portable receptacle

With jarring means

156384, 29413, 294266, 225103, 414403, 192 82R, B65G 6900

Patent

active

061321613

ABSTRACT:
A chip supplying apparatus for picking chips from a wafer positioned on an elastic film is disclosed. The chip supplying apparatus includes a shifting device, a clutch device, a film-expanding device, and a chip-picking device. In the present chip supplying apparatus, the input torque provided by the clutching device for driving the film-expanding device to perform a film-expanding operation is orthogonal to the resulting rotation torque of the film-expanding device. Therefore, when the film-expanding operation is performed, the film-expanding device will not shake. In other words, the present chip supplying apparatus can perform stable film-expanding operation.

REFERENCES:
patent: 3537603 (1970-11-01), Willis et al.
patent: 4850780 (1989-07-01), Safabakhsh et al.
patent: 4936944 (1990-06-01), Fuke et al.

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