PCB Chat

RM 57: A Conversation with CAF Expert Graham Naisbitt

December 11, 2020

Conductive anodic filament (CAF) is a form of electrochemical migration (ECM). Unlike surface-level ECM, CAF exists beneath the surface of the circuit assembly. Graham and Mike Konrad discuss the causes of CAF and methods to test for and mitigate CAF.

Graham has an extensive history working in the electrical and electronic manufacturing industry. Graham was the IEC 1906 Lord Kelvin Award Winner. IEC TC91 WG2, 3 and 10 Maintenance Leader of 4 Standards. He is vice chair of the IPC 5-30 Cleaning and Coating Sub-Committee overseeing 15 IPC Standards Development Committees. He has received 14 IPC Standards Awards and is a BSI British Standards Institution (EPL501) Member.

Graham is a Specialist in Insulation Resistance Testing, Ionic Contamination Control, Solderability, Conformal Coating materials and application systems, including Cleaning, Inspection and Test.


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