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Ball Grid Array (BGA) Packaging - Intel
www.intel.comBall Grid Array (BGA) Packaging 14-4 2000 Packaging Databook Figure 14-2. HL-PBGA Die Down Cross-Section Figure 14-3. FC-Style, H-PBGA Die Up Cross-Section A5765-01 Copper Slug/Heatspreader Encapsulant Die Down Design Solder Balls BT PCB Laminate A7428-01 BT Lamintate C4 Bumps Die-up Design Underfill Solder balls