IPC-4562A-WAM1 covers metal foils supported by carrier films and unsupported foils suitable for subsequent use in printed boards. The Amendment 1 that has been inserted into the base document added back the light cold rolled-wrought copper foil (/6 [Cu-W6] that [...]

The IPC-9121 handbook is an essential resource for anyone involved in manufacturing or purchasing PCBs. Hundreds of real-world, full-color photos spotlight more than 650 PCB process defects, with causes and corrective actions for each. IPC-9121 supersedes the PCB sections of IPC-PE-740A. Number of [...]