Not familiar with that. What is a PBC Fluid?
*Douglas Pauls *| Principal Materials and Process Engr | Advanced
Operations Engineering
*COLLINS AEROSPACE*
400 Collins Road NE, MS 108-101, Cedar Rapids, IA 52498 USA
*Tel:* +1 319 295 2109 | *Mobile: *+1 319 431 3773
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On Wed, Mar 6, 2019 at 3:27 PM Stadem, Richard D <[log in to unmask]>
wrote:
> Yes, I almost forgot. For really tough board surfaces we use PBC fluids in
> the plasma cleaner instead of conventional gases.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of lduso - Diamond-MT.com
> Sent: Wednesday, March 06, 2019 3:18 PM
> To: [log in to unmask]
> Subject: Re: [TN] [External] Re: [TN] Plasma before Coating
>
> Same here but we also have oxygen available that we use on hard parts
> (non-CCAs)
>
> Lloyd Duso
> General Manager
> Diamond-MT
> (814) 535-3505
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.Diamond-2Dmt.com&d=DwIGaQ&c=ilBQI1lupc9Y65XwNblLtw&r=lTRDjB8ojaf7ZaJ9DHeDAm7e-HFP9fxIkv6fRnV49HE&m=ZmBXLIRO2o5ydMx3GzrJiFZWgtbju_TQReJHZutPsSM&s=_KyyUl9UforOk8-uJdSQ9S1iGnBR3QoA9P9PSvgATUQ&e=
>
>
> On Wed, Mar 6, 2019 at 4:05 PM Douglas Pauls <
> [log in to unmask]> wrote:
>
> > I would agree. Every time I have looked at open air plasma, it appears
> > that it works well for flat substrates, like bare boards, but not for
> full
> > assemblies with any kind of topography.
> >
> > Out of curiosity, when you vacuum plasma, what gas are you using? We
> > generally use argon so as not to blacken silver parts.
> >
> > *Douglas Pauls *| Principal Materials and Process Engr | Advanced
> > Operations Engineering
> >
> > *COLLINS AEROSPACE*
> >
> > 400 Collins Road NE, MS 108-101, Cedar Rapids, IA 52498 USA
> >
> > *Tel:* +1 319 295 2109 | *Mobile: *+1 319 431 3773
> >
> > [log in to unmask]
> >
> >
> > On Wed, Mar 6, 2019 at 1:50 PM lduso - Diamond-MT.com <
> > [log in to unmask]>
> > wrote:
> >
> > > Not as a standard procedure on CCAs but a couple here and there. It
> came
> > > about due to poor surface energy tests and it does help. Quite often on
> > > metallic parts like stainless steel and nickel before parylene coating.
> > All
> > > done in a vacuum. Although I would love to try open-air plasma.
> > >
> > > Lloyd Duso
> > > General Manager
> > > Diamond-MT
> > > (814) 535-3505
> > >
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.Diamond-2Dmt.com&d=DwIGaQ&c=ilBQI1lupc9Y65XwNblLtw&r=lTRDjB8ojaf7ZaJ9DHeDAm7e-HFP9fxIkv6fRnV49HE&m=ZmBXLIRO2o5ydMx3GzrJiFZWgtbju_TQReJHZutPsSM&s=_KyyUl9UforOk8-uJdSQ9S1iGnBR3QoA9P9PSvgATUQ&e=
> > > <
> >
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.Diamond-2Dmt.com&d=DwMFaQ&c=ilBQI1lupc9Y65XwNblLtw&r=lTRDjB8ojaf7ZaJ9DHeDAm7e-HFP9fxIkv6fRnV49HE&m=w13JU2W1V8UO5sePYWQBU04jy9DhgL4qXpKHfLaXFpA&s=xlQdpAXqDTjxXvzI2GcrjVv6--XbIxDd8PTkCsO-6WE&e=
> > >
> > >
> > >
> > > On Wed, Mar 6, 2019 at 2:42 PM Douglas Pauls <
> > > [log in to unmask]> wrote:
> > >
> > >> Good morning all,
> > >> Are any of you routinely treating assembly surfaces with plasma prior
> to
> > >> conformal coating? We do not, except for very niche applications,
> but I
> > >> wanted to see if that was a mainstream process for anyone else.
> > >>
> > >> *Douglas Pauls *| Principal Materials and Process Engr | Advanced
> > >> Operations Engineering
> > >>
> > >> *COLLINS AEROSPACE*
> > >>
> > >> 400 Collins Road NE, MS 108-101, Cedar Rapids, IA 52498 USA
> > >>
> > >> *Tel:* +1 319 295 2109 | *Mobile: *+1 319 431 3773
> > >>
> > >> [log in to unmask]
> > >>
> > >
> >
>
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