Copper wire bond improvement on aluminum interface for optimum high emperature storage reliability performance
Copper wire bonding has becoming popular as semiconductor packaging interconnect method due to its advantages over gold wire. Lower cost, better conductivity and lower resistivity are the main factors. Copper wires are harder than gold wire, therefore higher ultrasonic power and bond force require f...
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http://eprints.utem.edu.my/id/eprint/26955/1/Copper%20wire%20bond%20improvement%20on%20aluminum%20interface%20for%20optimum%20high%20emperature%20storage%20reliability%20performance.pdfhttp://eprints.utem.edu.my/id/eprint/26955/2/Copper%20wire%20bond%20improvement%20on%20aluminum%20interface%20for%20optimum%20high%20emperature%20storage%20reliability%20performance.pdf