Ipc4556 Pdf ((free)) Jun 2026

High pull strengths for gold, aluminum, and even copper wire bonding.

The core of IPC-4556 defines the precise thickness ranges for the three metal layers. These measurements are typically verified using X-ray fluorescence (XRF) on a standard 1.5 mm x 1.5 mm pad. IPC-4556 Specified Thickness ipc4556 pdf

However, none directly replace for plated, thick-film copper as a final finish. High pull strengths for gold, aluminum, and even