To: drcuthb...@micron.com; george.stu...@watchguard.com;
michael.hopk...@thermo.com; emc-p...@majordomo.ieee.org
Subject: Re: Defining an ESD Threat
I am willing to let others set the risetime etc. I am mainly interested in
determining the total potential and charge associated with a human
; george.stu...@watchguard.com; michael.hopk...@thermo.com;
emc-p...@majordomo.ieee.org
Subject: Re: Defining an ESD Threat
I am willing to let others set the risetime etc. I am mainly interested in
determining the total potential and charge associated with a human discharge
in this particularly
To: drcuthbert; george.stu...@watchguard.com; michael.hopk...@thermo.com;
emc-p...@majordomo.ieee.org
Subject: Re: Defining an ESD Threat
I am willing to let others set the risetime etc. I am mainly interested in
determining the total potential and charge associated with a human discharge
@listserv.ieee.org
Date: Thu, 15 Apr 2004 09:04:01 -0600
To: george.stu...@watchguard.com, michael.hopk...@thermo.com,
ken.ja...@emccompliance.com, emc-p...@majordomo.ieee.org
Subject: RE: Defining an ESD Threat
You can charge someone up and discharge them into an ESD target. I did this
with myself (I
...@majordomo.ieee.org
Subject: RE: Defining an ESD Threat
http://esda.org/esdbasics1.htm and
ttp://www.rfcafe.com/references/electrical/triboelectric_series.htm give
further details of the effect of distance apart on the triboelectric series
chart.
From: owner-emc-p...@majordomo.ieee.org
Ken,
Do you mean human ESD or machine?
Dave Cuthbert
Micron Technology
From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org] On Behalf Of Ken Javor
Sent: Wednesday, April 14, 2004 10:04 AM
To: emc-p...@majordomo.ieee.org
Subject: Defining an ESD Threat
After looking at the triboelectric series, it seems that the only time a human
would charge negatively is after falling off an airplane! Otherwise, you are
likely to be positevily charged.
Hans Mellberg
[mailto:ken.ja...@emccompliance.com]
Sent: Wednesday, April 14, 2004 3:33 PM
To: Mike Hopkins; emc-p...@majordomo.ieee.org
Subject: Re: Defining an ESD Threat
That makes sense, but it only addresses half of the ESD environment question,
which is how high a potential can something be charged up
Subject: RE: Defining an ESD Threat
Simple thing to do is take an ESD simulator and try charging some objects in
that environment and see if they will hold a charge In high humidity, I'd
expect charges to bleed off very quickly on most objects, which is why the ESD
threat would be low
:
owner-emc-pstc@majordomo.iSubject:RE:
Defining an ESD Threat
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-Original Message-
From: Ken Javor [ mailto:ken.ja...@emccompliance.com]
Sent: Wednesday, April 14, 2004 12:04 PM
To: emc-p...@majordomo.ieee.org
Subject: Defining an ESD Threat
Esteemed List Members,
I am
Esteemed List Members,
I am working a problem where it would be helpful to define an ESD threat
level in a particular high humidity, metallic surroundings environment -
expectation is that ESD levels would be much lower than typical. I have a
very high level concept of how it might be done,
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