Mr. Ingemar..
If you do not mind, pls also make a copy yr fishbone.
Pls send to [log in to unmask]
Thank's for it.
****************************************************
Regards...
Marsal GM Tampubolon.
Richard Brennan
<[log in to unmask] To: [log in to unmask]
CO.UK> cc:
Sent by: TechNet Subject: Re: [TN] Most common PCB failure modes
<[log in to unmask]>
18/08/2004 03:10
PM
Please respond to
TechNet E-Mail
Forum; Please
respond to
Richard Brennan
Ingemar
I would be grateful for a copy of your fishbone diagram. If
possible please
forward to [log in to unmask]
Many thanks in advance
Richard
-----Original Message-----
From: Ingemar Hernefjord (KC/EMW)
[mailto:[log in to unmask]]
Sent: Wednesday, August 18, 2004 7:35 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Got a very useful fishbone diagram including all common problems
(or rather
problem groups) in SMT. Place a copy on your desktop.
Can send you a copy offline if you want.
/Ingemar
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Kristopher J.
Keating
Sent: den 17 augusti 2004 20:17
To: [log in to unmask]
Subject: [TN] Most common PCB failure modes
Hello,
Could some of you share what are the most common PCB defects that
escape to
your customers?
Thanks
Kristopher J. Keating
Circuit-Wise, Inc.
400 Sackett Point Rd.
North Haven, CT 06473
tel. (203) 281-6511 x 410
fax (203) 287-8409
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ingemar
Hernefjord
(KC/EMW)
Sent: Tuesday, August 17, 2004 3:16 AM
To: [log in to unmask]
Subject: Re: [TN] thin film
Seal Science say they have it all:
http://www.sealscience.com/html/products/VacuumCupsPdfs/15about.pdf
ultrahighvacuum guys use pure gold gaskets:
http://www.sisweb.com/catalog/F39.pdf
ourselves, we use as simple as butyl rubber:
http://www.allstategasket.com/materials.asp (not Ultravacuum, of
course)
Butyl rubber group includes ordinary rubber used in your
mountainbike tire,
can keep vacuum or pressure for very long time.
/Ingemar
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Crepeau, Phil
Sent: den 17 augusti 2004 02:25
To: [log in to unmask]
Subject: Re: [TN] thin film
hi,
i believe you should be able to use a gasket material such as
viton.
phil
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Douglas O.
Pauls
Sent: Monday, August 16, 2004 2:02 PM
To: [log in to unmask]
Subject: [TN] thin film
Good day all,
I am in need of a recommendation for a thin film sealant material.
I need
it to be 15-20 mils thick, cuttable, and preferrably non silicone.
We have
considered the Sil-Pad technology, but as this will be used in a
vacuum seal
operation, I am concerned about silicone outgassing or cross
contamination.
Are there any thin gasket materials from the engineered rubbers
that anyone
would recommend?
Doug Pauls
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