IPC-A-610 Rev G Study Guide with Complete Solutions

IPC-A-610 Rev G Study Guide with Complete Solutions 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 GRACEAMELIA 2024/2025 ACADEMIC YEAR ©2024. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER, 2024 Page 2/10 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 GRACEAMELIA 2024/2025 ACADEMIC YEAR ©2024. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER, 2024 Page 3/10 - 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 GRACEAMELIA 2024/2025 ACADEMIC YEAR ©2024. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER, 2024 Page 4/10 - 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 - Entrapped material - Answer-Bridgin of adjacent -- voids or bubbles -- wetting or nonwetting --flaking discoloration or loss of transparency GRACEAMELIA 2024/2025 ACADEMIC YEAR ©2024. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER, 2024 Page 5/10 - Answer-THin coating is not a target attribute Elextrical - Answer-Exposed metal Note: The thickness requirements of 10.8.3 do not applu - Answer-Completely cured and uniform Entrapped foreign material does not violate Potting Material Note: Minor surface s - Answer-Encapsulation material is prent in areas not designated to be encapsulated or that inteferes wtih the electrical or physical funciton of the assembyl - Bubbles, blisters, breaks - Discoloration or loss of transparency 6-1 - Answer-soldering connection Swaged Hardware - Answer-Plating and solderability of swaged hardware should be consistent with appropriate plating and solderability specifications. S