Flipchip International LLC

Ted Tessier

Anthony Paul Curtis

Guy F Burgess

Michael R Johnson

Yuan Lu

An interconnect structure comprises a solder including nickel (Ni) in a range of 0.01 to 0.20 percent by weight. The interconnect structure further includes an intermetallic compound (IMC) layer in contact with the solder. The IMC layer comprises a compound of copper and nickel.

Wafer-level interconnect for high mechanical reliability applications

An interconnect structure comprises a solder including nickel (Ni) and tin (Sn), with the nickel in a range of 0.01 to 0.20 percent by weight. The interconnect structure further includes an intermetallic compound (IMC) layer in contact with the solder. The (IMC) layer comprises a compound of copper and nickel.

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Chandler, AZ, United States of America

Ted Tessier