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Old 9th Feb 2020, 10:30 pm   #11
Ed_Dinning
Dekatron
 
Join Date: Jan 2004
Location: Newcastle upon Tyne, Tyne & Wear, UK.
Posts: 8,194
Default Re: Stripboard warning

Hi, I've also had this problem on custom, professional, PCB's for power supplies many years ago.
The raw board had been coated in low purity copper and had not etched evenly/ been properly inspected.
Known as "measles" in the trade, tiny copper spots and some conductivity across the laminate.

Ed
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