Of course, redunancy is a good thing. I've contacted Steve on another adress, but SMT is also OK, I'll send offline to Daan.
Ingemar
-----Original Message-----
From: Fineline Circuits, Inc. [mailto:[log in to unmask]]
Sent: den 18 augusti 2004 17:43
To: TechNet E-Mail Forum; Ingemar Hernefjord (KC/EMW); Daan Terstegge
Subject: Re: [TN] Most common PCB failure modes
Ingemar:
May be Daan can put it on his website www.smtinfo.net. Looks like steve in
not online. I would like a copy too.
Sona Sitapara
Fineline Circuits Inc.
[log in to unmask]
----- Original Message -----
From: "Ingemar Hernefjord (KC/EMW)" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, August 18, 2004 8:14 AM
Subject: Re: [TN] Most common PCB failure modes
> 1st:May I point out that the fishbone diagram is not my creation.
> 2nd: As so many want it (surprise! Do professionals like you need such
crib?), maybe Steve can put a copy on his homestead. Watt do u zink, Steve?
>
> Ingemar
>
> PS. fishbones are excellent for teaching the mysteries of SMT, you get a
knowledge platform, but they don't automatically guide you to the root of a
specific Murphy day problem.
>
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Marvin Gaines
> Sent: den 18 augusti 2004 13:49
> To: [log in to unmask]
> Subject: Re: [TN] Most common PCB failure modes
>
>
> Kristopher,
>
> My experience in this matter is that PCB manufacturing companies
> have not had one common defect that can be detailed as a persistent
problem
> unless they
> have a process issue and then the defect should be able to be traced to a
> date code).
> Usually there is a myriad of issue's that the public never knows about.
> As with all manufacturing there are issue's that come up and make it
> ultimately to the end customer.
> So to pinpoint one common problem would be difficult.
>
>
> Ted Gaines
> Ht&D Cam Service
> 775-599-6720
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Graham Naisbitt
> Sent: Wednesday, August 18, 2004 7:11 AM
> To: [log in to unmask]
> Subject: Re: [TN] Most common PCB failure modes
>
>
> Hi Kristopher
>
> All our customers tell us they have zero defects and no failures.
>
> We call this "Telling Porky Pies".
>
> I did a net search on your question and came up with one that might be
> useful: http://www.allaboutcircuits.com/vol_5/chpt_8/5.html
>
> --
> Regards Graham Naisbitt
>
> [log in to unmask]
>
> Concoat Limited - Engineering Reliability in Electronics
> A British Manufacturer
>
> www.conformalcoating.com www.concoat.co.uk www.concoatsystems.com
>
> Golf Quote of the week: If you think its hard to meet new people, try
> picking up the wrong golf ball.
>
> Cell: 079 6858 2121
> Office: +44 (0)1252 813706
>
>
>
> > 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
> >
> > ---------------------------------------------------
> > Technet Mail List provided as a service by IPC using LISTSERV 1.8e To
> > unsubscribe, send a message to [log in to unmask] with following text in
the
> > BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or
> > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET
> Technet
> > NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send
> > e-mail to [log in to unmask]: SET Technet Digest Search the archives of
> > previous posts at: http://listserv.ipc.org/archives Please visit IPC web
> > site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional
> > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
> > ext.5315
> > -----------------------------------------------------
> >
> > ---------------------------------------------------
> > Technet Mail List provided as a service by IPC using LISTSERV 1.8e To
> > unsubscribe, send a message to [log in to unmask] with following text in
the
> > BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or
> > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET
> Technet
> > NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send
> > e-mail to [log in to unmask]: SET Technet Digest Search the archives of
> > previous posts at: http://listserv.ipc.org/archives Please visit IPC web
> > site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional
> > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
> > ext.5315
> > -----------------------------------------------------
> >
> > ---------------------------------------------------
> > Technet Mail List provided as a service by IPC using LISTSERV 1.8e To
> > unsubscribe, send a message to [log in to unmask] with following text in
the
> > BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or
> > (re-start) delivery of Technet send e-mail to [log in to unmask]: SET
> Technet
> > NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send
> > e-mail to [log in to unmask]: SET Technet Digest Search the archives of
> > previous posts at: http://listserv.ipc.org/archives Please visit IPC web
> > site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional
> > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
> > ext.5315
> > -----------------------------------------------------
> >
> > --
> > Incoming mail is certified Virus Free.
> > Checked by AVG Anti-Virus (http://www.grisoft.com).
> > Version: 7.0.262 / Virus Database: 264.6.1 - Release Date: 8/16/2004
> >
> >
> > --
> > Outgoing mail is certified Virus Free.
> > Checked by AVG Anti-Virus (http://www.grisoft.com).
> > Version: 7.0.262 / Virus Database: 264.6.3 - Release Date: 8/16/2004
> >
> > ---------------------------------------------------
> > Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> > To unsubscribe, send a message to [log in to unmask] with following text
in
> > the BODY (NOT the subject field): SIGNOFF Technet
> > To temporarily halt or (re-start) delivery of Technet send e-mail to
> > [log in to unmask]: SET Technet NOMAIL or (MAIL)
> > To receive ONE mailing per day of all the posts: send e-mail to
> > [log in to unmask]: SET Technet Digest
> > Search the archives of previous posts at:
http://listserv.ipc.org/archives
> > Please visit IPC web site
http://www.ipc.org/contentpage.asp?Pageid=4.3.16
> for
> > additional information, or contact Keach Sasamori at [log in to unmask] or
> > 847-509-9700 ext.5315
> > -----------------------------------------------------
> >
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
> [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
> for additional information, or contact Keach Sasamori at [log in to unmask] or
> 847-509-9700 ext.5315
> -----------------------------------------------------
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
for additional information, or contact Keach Sasamori at [log in to unmask] or
847-509-9700 ext.5315
> -----------------------------------------------------
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
for additional information, or contact Keach Sasamori at [log in to unmask] or
847-509-9700 ext.5315
> -----------------------------------------------------
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
-----------------------------------------------------
|
