PCB warpage standard during acceptance

- Nov 09, 2019-

PCB warpage standard during acceptance

Generally, according to the IPC standard, IPC Class one and Class 2 requirements are 0.75% or less; Class three is less than or equal to 0.5%; of course, this is the acceptance standard of IPC, and some customers do not recognize IPC, they have their own Standards, so in the end, if the customer has requirements, the customer's requirements will prevail. For example, some customers' boards are controlled according to the secondary standard, and the board is also controlled by 0.5%.


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