Typical thickness of standard HASL PCB surface finish
In fact many PCB guys do’t know this thickness.
So we should shared more about typical thickness to let more people learn standard HASL surface finish.
HTD Group HASL expert told Jim,
Typical thickness:70 micro inch – 200 micro inch,but this thickness data also depend on each PCB technology.
So we should shared more about typical thickness to let more people learn standard HASL surface finish.
HTD Group HASL expert told Jim,
Typical thickness:70 micro inch – 200 micro inch,but this thickness data also depend on each PCB technology.
Complete coverage of copper pads of HASL finish
Raw materials can seriously affect the quality and reliability of PCB’s. IPC have produced a range of documents that enable companies to evaluate what is suitable for their requirements.
However IPC spec calls for only complete coverage of copper pads.
More IPC spec:https://www.ipc.org/4.0_Knowledge/4.1_Standards/SpecTree.pdf
However IPC spec calls for only complete coverage of copper pads.
More IPC spec:https://www.ipc.org/4.0_Knowledge/4.1_Standards/SpecTree.pdf
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