Design for manufacturability

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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:

• Design for manufacturability for integrated circuits.
• Design for Manufacturability for printed circuit boards .
• Design for Manufacturability for CNC machined parts.

As described above that DFM is a technical term and abbreviation of Design For Manufacture, which means that We are to check the given design (PCB) from every aspect and to verify that the given data is issue less. There are several checks that we run to find the issues if any, these checks are called DFM analysis checks. Given below are the main checks that we run prior to PCB fabrication.

1- Signal layers checks. 2- power/ground checks. 3- solder mask checks. 4- drill checks. There are so many other thuings in DFM we have to check manualy like thermal design, plane split width, isolated connections, reference plane for the impedance traces and so on.

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