Electronics Forum: ipc-tm-650 2.4.21 (7)

force between the pad and laminate material

Electronics Forum | Wed Jun 12 08:13:29 EDT 2002 | davef

Don't sound proper. There is no specification. Pad peel strength test methods are: * IPC-TM-650, Method 2.4.21 for multiple solderings * IPC-TM-650, Method 2.4.8 for copper peel with a Instron machine. Typical requirement for Cu is: 6 lbf/in [1

Pull Test

Electronics Forum | Wed Aug 15 16:08:02 EDT 2001 | davef

A properly formed solder connection is stronger than the underlying copper to laminate bond. Measuring pad peal strength: IPC-TM-650, Method 2.4.21 for multiple solderings, use Method 2.4.8 for copper peal using an Instron machine. Typical requiremen

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