Understanding the Causes, Hazards, and Solutions for Circuit Board Warping and Bending

It is not surprising that the most common false is the bowing of printed circuit boards. Most new inspectors think that having a rigid, perfectly flat board as a standard is a fallacy. Understanding the reasons and causes for PCB twist and bow during the PCB Design phase can help resolve the issue.

What Is the Difference Between Bow and Twist?

Let's first discuss the differences between bow and twist. The board will lift off the panel if it has a bow issue, even if all four corners of the board are in contact. (Think of the shape and form of a bowed blade).

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