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IPC-9691

User Guide for the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF) Resistance and Other Internal Electrochemical Migration Testing

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Organization: IPC
Publication Date: 1 June 2016
Status: active
Page Count: 48
scope:

This document is the product of the IPC Electrochemical Migration (ECM) Task Group. It was drafted to provide guidance regarding implementation of the User Guide for the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF) Resistance and Other Internal Electrochemical Migration Testing to evaluate the effects of mechanical stress, laminate material fracturing, ionic contamination, moisture content prior to press lamination, and other material processing characteristics on formation of conductive paths within laminate material such as conductive anodic filaments (CAF), one specific type of ECM failure mode. This internal ECM test method provides a proven standard for determining the risk of through-hole bias and other internal conductor orientations that result in significant reduction of insulation resistance internally, rather than on the surface of printed boards.

PURPOSE

This user guide addresses test issues regarding determining pass/fail criteria based on knowledge of three product goals:

a) What are the long term reliability requirements?

b) What is the closest spacing required for a given voltage?

c) Evaluate the internal ECM Failure risk.

Document History

IPC-9691
June 1, 2016
User Guide for the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF) Resistance and Other Internal Electrochemical Migration Testing
This document is the product of the IPC Electrochemical Migration (ECM) Task Group. It was drafted to provide guidance regarding implementation of the User Guide for the IPC-TM-650, Method 2.6.25,...
August 1, 2007
User Guide for the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF) Resistance Test (Electrochemical Migration Testing)
This document is the product of the IPC Electrochemical Migration (ECM) Task Group. It was drafted to provide guidance regarding how the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF)...
October 1, 2005
User Guide for the IPC-TM-650, Method 2.6.25, Conductive Anodic Filament (CAF) Resistance Test (Electrochemical Migration Testing)
A description is not available for this item.

References

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