Electronics Forum: ipc-4101/99 (Page 1 of 1)

Alternative PCB Material

Electronics Forum | Sat Jun 06 15:14:35 EDT 2009 | ysutariya

If the concern is the increased moisture absorption associated with lead-free capable materials, you probably have the most experience with phenolic materials like Isola IS410 or 370HR. The best move would be to switch to an IPC 4101/99 or /124 mate

BGA Pad Cratering

Electronics Forum | Sat Jun 06 15:11:17 EDT 2009 | ysutariya

Was this a lead-free capable material that fits into IPC 4101/126 or /129, like an Isola 370HR? I would not be surprised because from the picture I think I can see resin underneath the lifted copper, which is an interlaminate separate. This is a


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