Wire bonder with a downholder for pressing the fingers of a...

Metal fusion bonding – With means to juxtapose and bond plural workpieces – Wire lead bonder

Reexamination Certificate

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Details

C228S044700, C228S049500

Reexamination Certificate

active

07134589

ABSTRACT:
A Wire Bonder has a downholder for pressing the fingers of a system carrier onto a heating plate. The downholder can be raised and lowered. A downholder in accordance with the invention contains four guide elements for bearing a holding plate, whereby each guide element has a supporting surface and a bolt that can be moved by means of a drive. In the raised condition of the downholder, the holding plate rests on the supporting surfaces of the four guide elements. In the lowered condition of the downholder, the bolts of the four guide elements press the holding plate against the fingers of the system carrier presented on the heating plate. At least one of the four bolts can be moved separately so that the holding plate can temporarily anchor the system carrier without already pressing all fingers against the heating plate.

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