Compare your current land pattern (pad size) to the nominal, IPC-7095-recommended, and IPC-7095 minimum sizes. Most failures occur because designers use a pad that is too large (causing self-centering issues) or too small (causing head-in-pillow defects).
Developed by the IPC association , this standard provides comprehensive guidelines for designing, handling, assembling, inspecting, and repairing printed circuit boards (PCBs) that utilize BGA and Fine-Pitch BGA (FBGA) components. Because BGA solder joints sit directly underneath the chip and are hidden from the human eye, following a controlled process outlined by IPC-7095 is critical to prevent undetected failures. 🎯 Core Focus Areas of IPC-7095 ipc-7095 pdf