If nodes are available on the surface you might be better off isolating the location using TDR.
Use a pulse generator with a rise time of 9pS if available use a flight time of 150 pS/ inch as a guide. Take the pulse transit time from injection point/ divide by 2 as the timing is here and back then divide the time in pS by 150 and that distance in inches can be worked out by reviewing the gerbers
		

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On Tue, Jun 5, 2018 at 8:44 AM -0700, <[log in to unmask]> wrote:










Hello Fellow TechNetters:

   I didn't get too many responses on my initial above inquiry.   Therefore, I will post once again.

Victor,

From: Hernandez, Victor G
Sent: Wednesday, May 16, 2018 1:24 PM
To: TechNet E-Mail Forum
Cc: Hernandez, Victor G
Subject: PCBA Short detection/isolation, Flir IR Thermacam SC2000, Thermal Imaging

Fellow TechNetters:

   Does anyone out there have experience that they can share on the above stated subject?    I can be contacted off line if so desired.

Victor,