以下是MIL-STD-883H中方法5005中,对可焊性的备注,可以参考。
Alldevicessubmittedforsolderabilitytestshallbeintheleadfinishthatwillbeontheshippedproductandwhichhas
beenthroughthetemperature/timeexposureofburn-inexceptfordeviceswhichhavebeenhotsolderdippedor
undergonetin-leadfusingafterburn-in.Thesamplesizenumberappliestothenumberofleadsinspectedexceptin
nocaseshalllessthanthreedevicesbeusedtoprovidethenumberofleadsrequired.
除了老炼后经浸热焊料或浸锡铅的器件外,用作可焊性试验的所有器件,应是经引线镀涂即将发运,并经受过老炼温度/时间处理的试验。所要求的引线数,最少应为3个器件中选出,样本大小适用于所检验的引线数。 |