Sorter for integrated circuit devices

Details Sorter for integrated circuit devices Sorter for integrated circuit devices

1994-06-06

1995-03-07

Gastineau, Cheryl L.

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

By conveying randomly faced items and turning items to...

198403, 198410, 193 46, B65G 4724

Patent

active

053949730

ABSTRACT:
A sorter for orienting integrated circuit devices comprises first, second, and third sections. The first section receives the devices and sorts them into those with a leads down orientation and those with a leads up orientation. The first section comprises two opposing faces, each having a pair of lead channels. The first face lead channels receive leads of devices having a leads down orientation, and the second face lead channels receive leads of devices having a leads up orientation. The second section comprises a first channel for receiving devices from the first section having a leads down orientation, and a second channel for receiving devices from the first section having a leads up orientation. The second section further comprises an inverter integral to the second channel for inverting devices passing therethrough to a leads down orientation. The third section comprises a sensor for determining whether the device has a pin one up or a pin one down orientation, a third channel for receiving devices having a pin one up orientation, and a fourth channel for receiving devices having a pin one down orientation. A rotator integral to the fourth channel rotates devices passing therethrough to a pin one up orientation.

REFERENCES:
patent: 2379564 (1945-07-01), Cole
patent: 2967497 (1961-01-01), Braun et al.
patent: 3221857 (1965-12-01), Keller
patent: 3695411 (1972-10-01), Tobey et al.
patent: 4995157 (1991-02-01), Hall
patent: 5009305 (1991-04-01), Auld et al.
patent: 5117963 (1992-06-01), Thayer et al.
patent: 5226361 (1993-07-01), Grant et al.

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