Metal fusion bonding – Process – With measuring – testing – indicating – inspecting – or...
Patent
1996-11-27
1999-04-20
Heinrich, Samuel M.
Metal fusion bonding
Process
With measuring, testing, indicating, inspecting, or...
2281805, 73827, H01L 2160
Patent
active
058949810
ABSTRACT:
An ultrasonic wire bonder including apparatus for testing a bond includes a bonding tool ultrasonically driven for welding a wire on an underlying substrate and a clamp for holding the wire to be bonded by the bonding tool. The same clamp or other pulling apparatus moves the wire that has been bonded with a pre-established force to determine whether the bond will withstand the force. The accompanying method for testing a bond includes holding the wire after the bond has been made with the same holder and pulling the wire with a pre-established force substantially along the direction of the wire's longitudinal axis to determine the strength of the bond.
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Bethel George F.
Bethel Patience K.
Heinrich Samuel M.
Orthodyne Electronics Corporation
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