High speed sorting apparatus for semiconductor device equipped w

Details High speed sorting apparatus for semiconductor device equipped w High speed sorting apparatus for semiconductor device equipped w

1995-03-21

1996-12-17

Bollinger, David H.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

209573, B07C 5344

Patent

active

055843956

ABSTRACT:
A sorting apparatus has a rotatable drum member having sorting through-holes selectively open and closed by associated shutter plates, and semiconductor devices examined by a testing system are sequentially stored in the sorting through-holes: when one of the sorting through-holes is aligned with a storage box for the decided grade, the shutter plate is opened, and the semiconductor device is thrown into the storage box.

REFERENCES:
patent: 3543925 (1970-12-01), Loughery, III
patent: 4128174 (1978-12-01), Frisbie et al.
patent: 4978913 (1990-12-01), Hamuro et al.

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