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Design for manufacturability (DFM) is the general engineering art of designing products in such a way that they are easy to manufacture. The basic idea exists in almost all engineering disciplines, but of course the details differ widely depending on the manufacturing technology. Here are examples:

As described above that DFM is a technical term and abbreviation of Design For Manufacture, which means that a given design (PCB) is checked for every aspect and verified that the given data has no issues.

DFM is intended to prevent:
-product designs that simplify assembly operations but require more complex and expensive components
-designs that simplify component manufacture while complicating the manufature process
-and designs that are simple and inexpensive but are difficult or expensive to service and support.

There are several checks that are run to find the issues if any, these checks are called DFM analysis checks. Given below are the main checks that are run prior to PCB fabrication.

1- Signal layers checks.
2- Power/ground checks.
3- Solder mask checks.
4- Drill checks.

There may be many other aspects in DFM that need to be validated manually, e.g. thermal design, plane split width, isolated connections, reference plane for the impedance traces.


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