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May 2009

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Subject:
From:
Mike Sewell <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Mike Sewell <[log in to unmask]>
Date:
Wed, 20 May 2009 14:50:00 -0500
Content-Type:
text/plain
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text/plain (113 lines)
I meant 1 Megohm...

Mike
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Mike Sewell
Sent: Wednesday, May 20, 2009 2:47 PM
To: [log in to unmask]
Subject: Re: [TN] ESD Heel Strap / Shoe Checker - low resistance

What is the low resistance check for the tester?  The wrist straps
should have a current limiting resistor (typ. 1 ohm) built in.

Mike

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of John Anselmo
Sent: Wednesday, May 20, 2009 2:31 PM
To: [log in to unmask]
Subject: Re: [TN] ESD Heel Strap / Shoe Checker - low resistance

Does he put the end of the strap inside the shoe (between his shoe and
his sock) or on the inside of his sock against his skin?

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Helena Pasquito
(Cobham DES SSA)
Sent: Wednesday, May 20, 2009 12:53 PM
To: [log in to unmask]
Subject: [TN] ESD Heel Strap / Shoe Checker - low resistance


Hello Tech Net,
Assemblers and techs check their shoes on an ESD Shoe checker, each day
before the start of their shift. We have one person that works in the
warehouse that always fails low (resistance). We have tried new heel
straps, walking for an hour or two in regular ESD shoes, even wearing
someone elses shoes that had just passed. Nothing seems to work. He has
also tried to apply lotion to the strap that sits inside his sock. Do
you know of any tricks we can try to employ? Have you seen issues like
this before? I think some of the steps we took may have helped for a
high resist fail but not a low resist. Even the wrist strap test fails
for him (multiple wrist straps).  Any suggestions would be much
appreciated.
Helena Pasquito
Training Specialist
Certified IPC Trainer
Cobham Electronic Systems
1001 Pawtucket Blvd., M/S 160
Lowell, MA 01853
978-442-5024
[log in to unmask]

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