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April 2006

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Subject:
From:
Jerry Dengler <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Jerry Dengler <[log in to unmask]>
Date:
Wed, 12 Apr 2006 14:46:06 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (106 lines)
You need the Sharpie INDUSTRIAL Super Permanent marker.

Jerry 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Schaefer, Chris
Sent: Wednesday, April 12, 2006 2:40 PM
To: [log in to unmask]
Subject: Re: [TN] Inspection Marking Materials and Methods

I just tried a standard black indelible marker and after one pass the
marking came off. Next...

Thanks. I thought it would work - I really did!

CAS

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Stadem, Richard D.
Sent: Wednesday, April 12, 2006 1:00 PM
To: [log in to unmask]
Subject: Re: [TN] Inspection Marking Materials and Methods


I have used standard black indelible markers to mark the side of FR-4 to
show the board passed test, and for other purposes. I have never seen
the stuff wash off no matter what you tried. You would have to sand it
off, as the FR-4 weave soaks the indelible marking in right up. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Chris Schaefer
Sent: Wednesday, April 12, 2006 11:25 AM
To: [log in to unmask]
Subject: [TN] Inspection Marking Materials and Methods

Does anyone know of anyway to mark board edges with a material that can
withstand some of the stronger aqueous inline cleaning chemistries? We
are using a Kyzen A4520 @ 15% 150F and our Uni-paint pen marks are
coming off at clean. Now we run the boards through the cleaning process
up to 5 times before the assembly is completed, so the material needs to
adhere well enough to handle multiple cleaning steps. We also don't want
to spend a great deal of time performing the marking step. We are
considering using labels now versus pen paint, but if possible would
like to stay with an ink or paint.

Any help would be appreciated.

Thank You.

Chris Schaefer
Suntron Corporation
Process Engineer
540 N. Rogers Road
Olathe, Kansas 66062
913.393.5878
[log in to unmask]

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