Balanced low mass miniature wire clamp

Details Balanced low mass miniature wire clamp Balanced low mass miniature wire clamp

1997-06-26

1999-05-11

Ryan, Patrick

Metal fusion bonding

With means to juxtapose and bond plural workpieces

Wire lead bonder

228 447, 2281805, 310323, H01L21/60

Patent

active

059018968

ABSTRACT:
An ultra low mass wire clamp for operating at a very high speed where acceleration and deceleration forces exceeding thirty times the forces of gravity includes a wire clamp body portion having a machined recess therein for mounting a first fixed jaw in an exact reference position. A cantilever arm connected to and extending from the body portion has a second machine recess therein for receiving and mounting a second movable jaw in an exact position juxtaposed the fixed jaw so that the faces of the jaws are in exact parallel when mounted in their respective recesses. There is further provided an adjustment screw which engages the movable jaw or the movable actuator so as to adjust the fail safe zero voltage clamping force between jaws which is designed to maintain a clamping force on a wire under power failure conditions.

REFERENCES:
patent: 3672556 (1972-06-01), Diepeveen
patent: 4653681 (1987-03-01), Dreibelbis et al.
patent: 5277355 (1994-01-01), Weaver et al.
patent: 5314175 (1994-05-01), Izumi et al.
patent: 5323948 (1994-06-01), Yamazaki et al.
patent: 5388751 (1995-02-01), Harada et al.
patent: 5435477 (1995-07-01), Torihata et al.
patent: 5746422 (1998-05-01), Harada et al.

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