This document describes the target@ acceptable@ and nonconforming conditions that are either externally or internally observable on printed boards. It represents the visual interpretation of minimum requirements set forth in various printed board specifications@ e.g.; IPC-6010 series@ J-STD-003@ etc. PURPOSE The visual illustrations in this document portray specific criteria of the requirements of current IPC specifications. In order to properly apply and use the content of this document@ the printed board should comply with the design requirements of the applicable IPC-2220 series document and the performance requirements of the applicable IPC-6010 series document. In the event the printed board does not comply with these or equivalent requirements@ then the acceptance criteria should be as agreed between user and supplier (AABUS).