: For products where the major requirement is the function of the completed assembly.
The primary goal of IPC-4562 is to establish a common language and quality benchmark between foil manufacturers, laminators, and PCB designers. It ensures that the metal foils—most commonly copper—have consistent electrical, mechanical, and surface properties essential for reliable circuitry.
: Primarily Copper (CU) , but also includes Nickel (NI) and other specialized metals.
: E for electrodeposited or W for wrought (rolled).
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