Metal fusion bonding – Process – Using a compliant cushioning medium
Patent
1983-08-11
1986-08-26
Ramsey, Kenneth J.
Metal fusion bonding
Process
Using a compliant cushioning medium
2281802, 228212, 228240, 228234, B23K 1900
Patent
active
046077790
ABSTRACT:
A non-impact form of thermocompression gang bonding of metal lead fingers to integrated circuit chip pads is disclosed. The method produces a plurality of simultaneously bonded chips using conventional heating means and totally avoids mechanical and thermal shock. The result is highly reliable bonding that results in exceptionally high bond strength.
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Jordan M.
National Semiconductor Corporation
Ramsey Kenneth J.
Winters Paul J.
Woodward Gail W.
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