Electronics Forum | Wed Nov 28 22:33:24 EST 2007 | davef
There is no specification for lead-free HASL. You can use any lead-free solderability protection that meets your customer requirements. Use IPC-9701 �Performance Test Methods and Qualification Requirements for Surface Mount Solder Attachments� to ass
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]. Because a finished electronic assembly can be rejected based on the IPC guidelines for macro or process voiding defects [4, 5], it is desirable to eliminate voiding, or least reduce the void density substantially
