Lonco 3350

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David Hillman
Sent: Wednesday, June 03, 2015 2:27 PM
To: [log in to unmask]
Subject: Re: [TN] Transformers and Toroids

Well, I do know a "guy" that has a flux that will solder concrete.............

Dave

On Wed, Jun 3, 2015 at 2:25 PM, Douglas Pauls < [log in to unmask]> wrote:

> Rockwell use a halide bearing flux?? Perish the thought. We
> exorcised those demons years back. Hillman tries to sneak one in
> every once in a while and we have to beat him severely.
>
>
> Doug Pauls
> Principal Materials and Process Engineer Rockwell Collins
>
> On Wed, Jun 3, 2015 at 2:16 PM, wrote:
>
> > pth type? Cl flux? used for the fe based pin? do you make it
> > yourself (board assembly)? if not, some of the high profile parts
> > may be handsoldered on using Cl flux, and someone may not do a proper clean...
> it
> > happened before, etc. etc. long time ago. just a guess. (steel pin
> > are not easy to solder using standard no clean).
> > jk
> > > Nope. I am talking about the actual surface mount and
> > > through-hole transformers that go on circuit boards, not the
> > > transformers that hang
> on
> > > poles outside your house. Nor am I talking about futuristic cars
> > > that transform into Autobots or Decepticons.
> > >
> > > I want to know what the darn things are made of that could be
> > > supplying the high levels of ionic material I see in my IC
> > > extractions.
> > >
> > >
> > > Doug Pauls
> > > Principal Materials and Process Engineer Rockwell Collins
> > >
> > > On Wed, Jun 3, 2015 at 11:20 AM, wrote:
> > >
> > >> you mean degraded transformer oil or dielectric fluid?
> > >> http://en.wikipedia.org/wiki/Transformer_oil_testing
> > >>
> > >> >
> > >> Good morning all,
> > >> >
> > >> > I am doing some background research on residues you get from
> > >> transformers
> > >> > and toroid components in an IC extraction. Unfortunately, I
> > >> > don't
> > >> know
> > >> > much about how such components are manufactured or the
> > >> > materials
> used.
> > >> Do
> > >> > any of you know of a good tutorial or overview on such
> > >> > materials/processes that is available on the Net?
> > >> >
> > >> > Doug Pauls
> > >> > Principal Materials and Process Engineer Rockwell Collins
> > >> >
> > >> >
> > >> >
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