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| Ask the Experts Index | |||||||||
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Jul 21, 2025 IPC-A-610 Class 3 - IPC-A-600 Class 2 If the PCB Assembly inspection requirement is IPC-A-610 Class 3, does it mean that the PCB inspection IPC-A-600 ... S.R. Organic Flux Residue Concerns What short-term and long-term concerns should we have with product reliability if we skip cleaning after rework Our ... D. B. Production Floor Temperature and Humidity Loggers Early this month we had a customer audit. One of the findings regards the environment measurements in our ... M.R. BGA Solder Ball Collapse Do lead free solder balls collapse the same amount as tin-lead solder balls? ... N.Z. Depaneling circuit board that contain BGA components Are there any special requirements for depaneling or V-scoring to separate paneled circuit board if they contain BGA ... A.A. Confused About IPC-A-610 Class 2 vs. Class 3 My company is confused about IPC-A-610 Class 2 and Class 3. Some believe that Class 3 is for ... T.G. Baking After Cleaning Hand Placed Parts Is baking required after in-line cleaning an assembly with moisture sensitive parts that were hand placed instead of ... R.M. 0201 Pick & Place Nozzle Plugging We are assembling PCBA's containing 0201 passive components. We have a problem with solder paste getting in the ... C.T. What is the IPC Definition of Uncommonly Harsh? IPC-A-610 and other documents define class 3 to include products where "the end use environment may be uncommonly ... S.M. Very Low Temp PCBs We have a requirement for PCBs to be used at temperatures as low as -200 degree C. Are ... J.V. |
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