Exam (elaborations)
IPC-A-610 Rev G Exam Questions and Answers
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IPC-A-610 Rev G Exam Questions and Answers
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IPC-A-610 Rev G Exam Questions andAnswers
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 -
, Marking - Lables - Readability | Acceptable - Class 1,2,3 - Answer -Spots or voids on
printed surfaces or machine is readable code as permiss
Defect- Class 1,2,3 - Answer -Machine readable code
- Answer -Or barcode
- Answer -More than 10% of the label area is peeling
Marking - Radio Frequency Identification (RFID) Tags | Target - Class 1,2,3 - Answer --
The RFID tag is located within the specified distance from the tag reader such that the
reader can access teh RF signal
- The RFID tag is attached to the object in a manner that will not preclude transmission
of the RF signal
- Answer -- The free-air path between the RFID tag contains
The RF signal is distorted to the extent that the data cannot be clearly discerned using
the reader
- Answer -cleaning information
Cleanliness - Foreign Object Debris (FOD) - Answer -Acceptable`
Cleanliness - Chlorides, Carbonates and White Residues | Defects - Class 1,2,3 -
Answer -Metallic areas exhibit crystalline white deposit
- Answer -- Flux residue does not inhibit visual inspection
- Flux residue does not inhibit access to test points of the assembly
- Answer -Wet, tacky or excessive residues that
- Answer -No-clean flux residue on any electrical
- Answer -Colored residues or rusty appearance on metallic surfaces or hardware
- Answer -Additional information
- Answer -Blisters, scratches, voids that do not expose conductors and do not pridge
adjacent conductors, conductor surfaces or create a hazordous condition which
wouldallow loos
- Answer -Blisters/flaking expose base conductor material
- Answer -- Coating blisters/scratches/voids bridge adjacent non
- Coating blisters/scratches/voids have permitted solder bridges
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