A QA Director! Wow!
Sue, wished the Q's left their offices and went down to have daily
walk on the floor. Q's use to have immense lots of useful knowhow,
but the 'workers' or operators don't get many grains of this heavenly
manna. Q's oght take the black belt off and speak about the daily 'trivia'.....OK..I'm a grumpy old fashioned sort...and you are a vivid
and loved QA, of course.
Will send a copy offline..
Ingemar Hernefjord
Ericsson Microwave Systems
-----Original Message-----
From: Suzanne Foulkes [mailto:[log in to unmask]]
Sent: den 18 augusti 2004 15:02
To: TechNet E-Mail Forum; Ingemar Hernefjord (KC/EMW)
Subject: RE: [TN] Most common PCB failure modes
Please send copy to [log in to unmask]
Much Appreciated
Sue Foulkes
QA Director
-----Original Message-----
From: Ingemar Hernefjord (KC/EMW)
[mailto:[log in to unmask]]
Sent: Wednesday, August 18, 2004 8:58 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Lost counting, Barry,
did you get a copy,
if not, once again./Ingemar
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Barry Gallegos
Sent: den 18 augusti 2004 14:41
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Ditto that Ingmar,
Barry
-----Original Message-----
From: Maxine Greenwood [mailto:[log in to unmask]]
Sent: Wednesday, August 18, 2004 6:38 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Ingemar,
I would like a copy of the PCB fishbone diagram also please
Max (o:
-----Original Message-----
From: Victor G. Hernandez [SMTP:[log in to unmask]]
Sent: Wednesday, August 18, 2004 6:33 AM
To: [log in to unmask]
Subject: Re: [TN] Most common PCB failure modes
Ingemar,
I would like a copy of the PCB fishbone diagram
Victor,
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ingemar Hernefjord
(KC/EMW)
Sent: Wednesday, 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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