IPC-5704, Cleanliness Requirements for Unpopulated Printed Boards defines recommended requirements unpopulated single, double-sided and multilayer printed circuit boards. Provides specifications and requirements for maximum limits of ionic contamination using ion chromatography testing. Delivers guidance on cleanliness testing for both product acceptance and process control, verifying equipment and chemistries are stable.
IPC, www.ipc.org/ipc-5704