Metal fusion bonding – With means to juxtapose and bond plural workpieces – Wire lead bonder
Patent
2000-03-02
2000-10-17
Ryan, Patrick
Metal fusion bonding
With means to juxtapose and bond plural workpieces
Wire lead bonder
2281805, 219 8518, 219 561, B23K 3700, B23K 100, B23K 119
Patent
active
061317926
ABSTRACT:
A method of bonding wire and the bonder which includes providing a wire bonder for bonding wire to a bonding location. The wire bonder has a first bonding head designed to form a stitch bond while travelling in a first predetermined direction, the first bonding head having a first major axis and a first minor axis normal to the first major axis, the first major axis being at an angle of from about 45 degrees to a finite angle greater than zero relative to the first predetermined direction and a second bonding head designed to form a stitch bond while travelling in a second predetermined direction, the second bonding head having a second major axis and a second minor axis normal to the second major axis, the second major axis being at an angle of from about 45 degrees to a finite angle greater than zero relative to the second predetermined direction. An area having bonding locations to which the bonder is to make wire bonds is divided into a plurality of regions. Then the first bonding head is caused to make wire bonds in a predetermined one of the plurality of regions and the second bonding head is caused to make wire bonds in a predetermined second one of the plurality of regions. The first major axis is preferably at an angle of about 45 degrees with respect to the first predetermined direction and the second major axis is preferably at an angle of about 45 degrees with respect to the second predetermined direction. The first predetermined direction is preferably substantially normal to the second predetermined direction.
REFERENCES:
patent: 5544840 (1996-08-01), Test et al.
Hortaleza Edgardo R.
Subido Willmar E.
Brady III Wade James
Cooke Colleen
Ryan Patrick
Telecky Jr. Frederick J.
Texas Instruments Incorporated
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