As one of the younger less technical generation I have submitted the
preceding for review in our strategic planning meeting and after several
action items, follow up review and a vote we have determined that this stuff
is better than any of the email jokes that are distributed throughout the
day to our management staff.
Therefore it will now be required reading for us all.
James
----- Original Message -----
From: "Whittaker, Dewey (AZ75)" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, September 22, 2004 6:44 AM
Subject: Re: [TN] (2)PWB Conductive Contamination Under Solder Mask; What
Can ...
> I was referring to Huxley, but Rather( as in Dan )than look it up I
trusted
> my sources, which is my bad memory for names. Since we are speaking of
> names, you used mountain in reference to me. If that was because some of
the
> things I have said peaked some ones interest, I will take the comment for
> granite.
> When I use the term it is Mountain Dew in conjunction with Doug Pauls. I
> have been told he is going cold turkey from it so I may have to come up
with
> another highly respectful nickname.
> Dewey
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]]On Behalf Of Brian Ellis
> Sent: Tuesday, September 21, 2004 11:50 PM
> To: [log in to unmask]
> Subject: Re: [TN] (2)PWB Conductive Contamination Under Solder Mask;
> What Can ...
>
>
> Unfortunately, Mountain Dewey may have a slightly cynical way of
> expressing it, but he is 1000% right, in essence. Commonsense no longer
> prevails. How many time have you seen messages here like "Is there an
> IPC standard on how I should hold my willy while urinating?" or "Is a
> mil the same as a mile and a millimetre" or "I'm wave soldering, which
> flux should I use?" or "Is a short circuit between two tracks a no-no?"
>
> However, he was wrong in one respect, it was Aldous Huxley who predicted
> psychological conditioning in technological spheres when he wrote Brave
> New World, the same year as when I was born (no connection). Adolph H.
> wrote Mein Kampf.
>
> Brian
>
> Ahne Oosterhof wrote:
>
> > Ouch, empty a whole bottle of Mountain Dew, and pry that tongue out of
the
> > cheek.
> > Ahne.
> >
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Whittaker, Dewey
> (AZ75)
> > Sent: Thursday, September 16, 2004 8:42
> > To: [log in to unmask]
> > Subject: Re: [TN] (2)PWB Conductive Contamination Under Solder Mask;
What
> > Can ...
> >
> > In a former life(last week), I would have responded to the question of
> what
> > are the younger people going to do when the older knowledgeable people
are
> > gone( passed on to that big TechNet in the sky, which we are just dying
to
> > get in to) by saying it would probably lead to a lot of "spirited"
> debates.
> > In reality these days of 6 Sigma, Black belts, cross-functional teaming
> and
> > integrated supply chain mentality, it is no longer a requirement to have
> > technically competent people, because it is not important to have the
> > intuitive right answer. It is only important that everyone has agreed to
> the
> > same answer. The right answer may not be cost-effective or would require
> too
> > much technical support or understanding and that's not a path they want
to
> > go down. If after 6 months the problem still exists, the Corporate
> mind-set
> > of Globalization and strategic initiatives will deem the problem and
it's
> > associated activities as not one of it's core competencies and pursue
> > off-loading or outsourcing it.
> > Adolph Huxley was right.
> > Dewey
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]]On Behalf Of Mike Fenner
> > Sent: Wednesday, September 15, 2004 6:39 AM
> > To: [log in to unmask]
> > Subject: Re: [TN] (2)PWB Conductive Contamination Under Solder Mask;
What
> > Can ...
> >
> >
> > Same as us: The young folks will be surprised to find they are now the
old
> > folks and wishing they'd paid more attention ?
> >
> > Regards
> >
> > Mike
> >
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of - Bogert
> > Sent: Wednesday, September 15, 2004 10:39 AM
> > To: [log in to unmask]
> > Subject: Re: [TN] (2)PWB Conductive Contamination Under Solder Mask;
What
> > Can ...
> >
> >
> > September 15, 2004
> >
> > Thanks for the information and history lesson. What happens in the
world
> > when all of us old folks are no longer here?
> >
> > PS can you give me details on your book and where to purchase it?
Thanks
> > ----- Original Message -----
> > From: Brian Ellis<mailto:[log in to unmask]>
> > To: [log in to unmask]<mailto:[log in to unmask]>
> > Sent: Tuesday, September 14, 2004 1:55 AM
> > Subject: Re: [TN] (2)PWB Conductive Contamination Under Solder Mask;
> What
> > Can ...
> >
> >
> > You must be aware that using abrasive brushing (Scotchbrite (R) or
> > slurry) is a major cause of solder dewetting. Micro-particles of
> > abrasive get implanted in the metal, which is even swaged over some of
> > them. I have PROVED this time and time again. I published this in a
> > paper 'New Aspects on the Solderability of Printed Circuits' in the
> > Technical Proceedings of Inter/Nepcon '69, in Brighton, as well as in
my
> > book (pp. 76 ff). It is amazing that a problem that was identified 35
> > years ago is still largely ignored! :-(
> >
> > Brian
> >
> > Susan Mansilla wrote:
> > > Hi Mike and All
> > > I am familiar with the abrasive wheel cleaning processes. but those
> are
> > done
> > > AFTER the tin/lead has been stripped. The response I got indicated
> that
> > the
> > > abrasive was used on the Tin/Lead deposit, which didn't follow my
idea
> > of a
> > > possible process flow.
> > > Some PCB fab shops continue to use a "Scotch Brite" style of
> > > abrasive wheel or brush as a final surface prep operation prior to
> > > soldermask application.
> > > Susan Mansilla
> > > Robisan Lab
> > >
> > > ---------------------------------------------------
> >
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> >
>
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Search the archives of previous posts at: http://listserv.ipc.org/archives
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-----------------------------------------------------
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