Hi Sudhakar:
I am not an ESD expect, but I had some comments.
Are you sure you have to use IEC61000-4-2? I consider this a system test
standard, not a component test standard. Take a look at these web pages:
All Types of ESD Testing Are Not Created Equal, Part 1
http://www.ce-mag.com/archive/03/03/henry.html
All ESD Testing Standards Are Not Created Equal: A Rosetta Stone Analysis
http://www.ce-mag.com/archive/03/07/henry.html
ESD Association standards
http://www.esda.org/standardlistings.html
I see discussions of Human Body Model and Machine Model testing, and neither
one of those are the same as the IEC61000-4-2 test model.
Pat
_______Sudhakar Wasnik.wrote___________
> Hello all ESD experts,
>
>Per IEC 6100-4-2 Sec. 7.1.1
>EUT is isolated from HCP (Horizontal Coupling Plane) by insulating object of
0.5mm thick.
>
>Standard does not define this Insulating object. Based on the different
insulating materials the test results vary. Pass can be fail and fail can be
passing.
>This is more relevant in memory cards like SD, CF Micro SD etc.
>
>These cards need to be tested in non operating condition. Just keeping it on
the test table separated from the HCP with this IEC insulating object.
>
>Can some one really throw some light on this insulating object and intent of
this test from the standards view?
>
>Sudhakar Wasnik.
>408-542-2928 - ----------------------
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