On Tue, 12 Mar 2019 17:47:32 -0400, Dennis Fritz <[log in to unmask]> wrote:
>Fischer has a range of non-destructive instruments that can measure copper
>plating in vias. The principle is the use of eddy currents. See this
>link and then go to a description of the instruments -
Thanks. Our lab now has an eddy current tester!