Thanks Ed,
looks good now, bones on at least 3 webforums.
Yours is very interesting, will add something for
you later. Not fish this time.
Ingemar
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Ed Hare
Sent: den 18 augusti 2004 18:02
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Hi technetters,
You are all welcome to use my failure analysis forum (focused on
microelectronics) for postings and file uploads that you can send links to
...
http://www.cmsboard.com/SEMBoard/
Ed Hare
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Roach, David
Sent: Wednesday, August 18, 2004 8:23 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Can someone post it on the web somewhere and provide a link? That would
probably be easier than sending copies to dozens of people. I would like to
see it, too.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Bill Coleman
Sent: Wednesday, August 18, 2004 10:14 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Hi Ingemar
Ditto on the fish-bone diagram; appreciate if you could email me a copy.
Thanks much.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Kevin Jaworenko
Sent: Wednesday, August 18, 2004 8:45 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
I'd love to have a copy of the now fmaous fish-bone diagram as well.
Thanks Ingemar.
-----Original Message-----
From: Ingemar Hernefjord (KC/EMW) [mailto:[log in to unmask]]
Sent: August 18, 2004 1:35 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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