The only "matched pair" I know of is the (or was the)
Multicore/Loctite/Henkel Xersin range. This included "no-clean" fluxes
and conformal coatings, based on the same polymer. I don't have a clue
whether this range is still made.
Brian
Thayer, Wayne wrote:
> Yes, but you have to qualify the heck out of it. So it makes sense if
> you have the budget for it, such as if you are planning to make 5
> million cars or so, but not for short, special runs such as is commonly
> the case with Class 3.
>
> Unfortunately, no one seems to both sell no clean flux and a compatible
> conformal coat.
>
> Also, the no cleans are problemmatic with rework--and short runs of
> class 3 often have rework on every single unit. The trouble is the flux
> is only de-activated if done in a very controlled way. The right reflow
> profile will do it, but how do you get that during rework?
>
> Wayne Thayer
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Zilber Gil
> Sent: Tuesday, October 23, 2007 12:45 PM
> To: [log in to unmask]
> Subject: [TN] No clean Flux for Class 3 products compatible with
> Conformal Coating
>
> Hello TechNet,
>
> Does anyone using a No Clean flux with Conformal coating? Is it possible
> to have a match pair in order to omit the cleaning step?
>
> Thanks,
>
> Dr. Gil Zilber
> Technologist, Elta system Ltd.
>
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