CollTech Edgebond materials has excellent reliability for large size BGA,
Minimize change product line and manufacturing process,
Low rework cost.
Assume below restrictions:
1. Assume 0.1% BGA failure rate,
2. Underfill rework successful rate is 60-70%, Edgebond rework successful rate is above 95%,
3. Per PCBA cost is 2000RMB,
4. Labour cost as 1000RMB/day,
5. Customer product shipments of per year is 25,000,000 pcs.
Currently process is UV EB process
Move to the Edgebond process with minimal changes to the product line.