IPC A 610 FINAL EXAM ACTUAL EXAM 2 VERSIONS (VERSION A
AND B) COMPLETE 250 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+
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
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
Solder Mask Coating - Discoloration | - ANSWER: Burned or charred solder mask
material
Conformal Coating - ANSWER: Additional information on conformal coating is
available in IPC-CC-830
- ANSWER: No bridging
- loss of
AND B) COMPLETE 250 QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)/ALREADY GRADED A+
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
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
Solder Mask Coating - Discoloration | - ANSWER: Burned or charred solder mask
material
Conformal Coating - ANSWER: Additional information on conformal coating is
available in IPC-CC-830
- ANSWER: No bridging
- loss of
