Alignment ledge for automatic and repeatable theta registration

Details Alignment ledge for automatic and repeatable theta registration Alignment ledge for automatic and repeatable theta registration

1998-08-10

1999-08-17

Pitts, Andrea L.

Chucks or sockets

Vacuum

269 21, 269 58, 279156, 294 641, B23B 522

Patent

active

059382112

ABSTRACT:
A system for positioning an article at a predetermined angular orientation with respect to a vacuum collet comprising a vacuum collet having an article pickup surface; and an alignment ledge overhanging the pickup surface, wherein the alignment ledge is at a predetermined angular orientation with respect to the vacuum collet.

REFERENCES:
patent: 4389064 (1983-06-01), Laverriere
patent: 4603867 (1986-08-01), Babb et al.
patent: 5375895 (1994-12-01), Volkert

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