It includes comprehensive descriptions of common assembly defects—such as component "floating," skewing, or twisting—and how to prevent them through proper land pattern design.
If you are a student or educator, check if your institution has an IPC academic license. ipc-7093a pdf
As electronic devices shrink, Bottom Termination Components (BTCs) have become indispensable due to their small footprint, low cost, and excellent thermal performance. However, because their connections are hidden underneath the component body, they present unique manufacturing challenges that IPC-7093A directly addresses: and excellent thermal performance. However
: Techniques for evaluating solder joints that are hidden beneath the package, specifically the use of Automated X-ray Inspection (AXI) . ipc-7093a pdf