IPC-A-610 Rev G Exam Questions and
Answers
Flexible and Rigid-Flex Printed Circuitry - Solder Wicking -> Defect Class 1, 2, 3 -
Answer -Spacing as a result of solder wicking or plating migration violate minimum
electrical clearance
Attachment -> Acceptable Class 1 - Answer -Side overhang of flex 10-27
Attachment -> Acceptable Class 2,3 - Answer -Side overhang10-27
Attachme - Answer -Wetted solder is visible in 10-27
Marking - Answer -Provides both product identification and traceability
Marking - Etched - Acceptable Class 1,2,3 - Answer -Lines of a number or letter may be
broken provided the breaks do not make the marking illegible
Marking Etched (including hand printing) - Defect Class 1.2.3 - Answer -Lines forming a
character are missing or broken to the extent that the character is not legible or is likely
to be confused with another character
Marking - Screened | Process Indicator - Class 1,2,3 - Answer -Lines of a number or
letter may be broken (or the ink thin over a portion of
Marking - Screened | Defect - Class 1,2,3 - Answer -Open areas of characters are filled
and are not legible, or are likely to be confused with another number or letter
Marking - Stamped | Acceptable - Class 1, Process Indicator - Class 2,3 - Answer --
Marking that has been smeared or blurred but is still legible
- Multiple stamped markings are acceptable provided the general intent can be
determined
Marking - Laser | Acceptable - Class 1, Process Indicator - Class 2,3 - Answer --
Multiple image is still legible
- Missing marking is not more than 10% of the character
kjlkj - Answer -
