RING
BGA Stiffener Ring, also commonly referred to as a BGA Reinforcement Ring or PCB Stiffener, is a structural component mechanically attached to a printed circuit board (PCB) around a Ball Grid Array (BGA) package. Its primary function is not electrical, but mechanical: to prevent PCB warpage, enhance solder joint reliability, and provide physical support during the component's lifecycle.
products detail
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Product Features:
Eliminates Warpage: Significantly reduces PCB flexing during solder reflow, ensuring coplanarity and promoting uniform solder ball formation.Distributes Mechanical Stress: Absorbs and distributes loads from heatsink mounting, board flexure, and connector mating, shielding the BGA solder joints from point stresses.Improves Solder Joint Reliability: By stabilizing the PCB, it dramatically reduces fatigue and cracking of solder balls during thermal cycling and mechanical shock/vibration, directly enhancing product lifespan.Provides a Secure Heatsink Foundation: Offers a strong, stable mounting platform for large heatsinks or cold plates, ensuring optimal thermal contact pressure without bending the PCB.Aids in Rework: Can help maintain board flatness during BGA rework processes.
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Material:
C1100, C1020, C1010, 6061, 6065, 5052, MoCu, WCu, etcPlating: Ni.Au.Ag.Sn,etcPlating thickness: Ni: 1.5~6um, Au: 0.05~0.15um, Ag: 0.4~2um, Sn:1.5~3.5um
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Application:
High-Performance Computing: Server motherboards, workstation GPUs, and CPU sockets.Networking & Telecommunications: High-speed switches and routers with large ASICs/FPGAs.Military/Aerospace Avionics: Where extreme reliability under vibration and thermal stress is paramount.Any design featuring large, heavy, or high-power BGA packages on relatively thin (e.g., < 2.4mm) or large-format PCBs.