Wafer Bumping Products and Services:

Solder Bump SEM A) Conventional Flip Chip wafer bumping with lead or lead free solder alloys a. E-Ni/Au + Eutectic Solder
b. E-Ni/Au + High Lead Solder
c. E-Ni/Au + SnAgCu
RLC Solder B) WLCSP wafer bumping with lead and lead free solder alloys
a. E-Ni/Au + 250 µm Ball Drop
b. E-Ni/Au + 300 µm Ball Drop
c. E-Ni/Au + 500 µm Ball Drop
Wire-Bond C) I/O Resurfacing for wire bond enhancement & high temperature operations a. E-Ni/Au (1-5 µm)
Tall-Ni D) Tall Ni for ACA applications a. E-Ni/Au (5-35 µm)
Solder Bump on UBM E) Solder wafer bumping on customer UBM a. Supplied UBM + Eutectic Solder
b. Supplied UBM + High Lead Solder
c. Supplied UBM + SnAgCu
Cu Ni Au F) Reliability Modeling a. Solder Fatigue Modeling
Laser Mark G) Backside Laser Marking
a. White mark
b. Black mark
Flip Chip Assembly H) Specialized Flip Chip Assembly a. Flip Chip on 35mm reel to reel assembly
Back-End Services I) Back-End Services

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