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For a complete reliability program, these two standards are used together: characterization

Complete Guide to PCB Strain Gage Testing for BGA Reliability - PCBSync ipc-9704 pdf

: Vacuum and probe pressure often cause significant board flex. Depanelization : Mechanical routing or V-score breaking. For a complete reliability program, these two standards

Complete Guide to PCB Strain Gage Testing for BGA Reliability As electronics got smaller and solder shifted to

The story took a major turn with the release of . As electronics got smaller and solder shifted to lead-free (which is more brittle), the industry needed more precision. The updated guideline introduced more rigorous methods for calculating strain rates , ensuring that even the fastest "snap" of a board is caught and analyzed. Why it Matters

IPC-9704: Guidelines for Printed Circuit Board Assembly and Testing for Aerospace and Defense Applications