1 22etch result

Electronics Forum: 22etch (1)

Question of delamination in PCB

Electronics Forum | Sat May 09 09:00:54 EDT 2009 | davef

For more on using tin as a resist during bare board fabrication, read "2.5.6 Introduction To Tin And Tin/Lead Plating" here: http://books.google.com/books?id=etfNcpiR5ZUC&pg=PT570&lpg=PT570&dq=%22circuit+board%22+%22etch+resist%22+%22acid+sulfate%22&

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burnt looking deposit because 20fall 22etch resist 2.pcb industry
burnt looking deposit because fails 22etch resist 2.pcb industry

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