Book excerpt: Of the Standard NuBGA Packages -- Thinner Substrate and Nonuniform Heat Spreader NuBGA -- Thermal Performance of the New NuBGA Package -- Temperature Distribution -- Thermal Resistance -- Cooling Power -- Wind Tunnel Experimental Analysis -- Solder Joint Reliability of the New NuBGA Package -- Electrical Performance of the New NuBGA Package -- Capacitance -- Inductance -- Summary of the New NuBGA Package -- Solder-Bumped Flip Chip in PBGA Packages -- Intel's OLGA Package Technology -- OLGA Package Design -- OLGA Wafer Bumping -- OLGA Substrate Technology -- OLGA Package Assembly -- OLGA Package Reliability -- Mitsubishi's FC-BGA Package -- Wafer Bumping -- Mitsubishi's SBU Substrate -- PC-BGA Assembly Process -- Thermal Management -- Electrical Performance -- Qualification Tests and Results -- IBM's FC-PBGA Package -- CFD Analysis for Thermal Boundary Conditions -- Nonlinear Finite Element Stress Analysis -- Simulation Results -- Solder Joint Thermal Fatigue Life Prediction -- Motorola's FC-PBGA Packages -- Thermal Management of FC-PBGA Assemblies with E3 Bumps -- Solder Joint Reliability of FC-PBGA Assemblies with C4 Bumps -- Failure Analysis of Flip Chip on Low-Cost Substrates -- Failure Analysis of FCOB with Imperfect Underfills -- Test Chip -- Test Board -- Flip Chip Assembly -- Preconditions, Reflows, and Qualification Tests -- Failure Modes and Discussions -- Die Cracking -- Interfacial Shear Strength -- Interfacial Shear Strength Between Solder Mask and Underfill.