Gary

I have had 2 or 3 clients having problems with LCDs a few months after
cleaning, although no one has ever given me an explanation. Just
practical experience. In the light of your experience, perhaps I should
modify it from "you cannot..." to "be careful and run life tests..."

Brian

Gary Camac wrote:
>
> Brian,
>
> Why do you feel you can't run LCDs through the wash?  We have ran LCD displays through the
> wave and a soaponified wash for over 15 years here.  I don't know of any field reliability
> issues on these units.
>
> I agree with Kelly's last comment on the inhale due to cooling the part too rapidly.  This is
> the reason I like to see a slight temperature increase in each wet section of my washer.
>
> Gary Camac
>
> Phil Nutting wrote:
>
> > Hi all,
> >
> > I don't remember if I posted this question in the past months, but I'll
> > repost to get a fresh answer.
> >
> > Are there any components (pth) that can't be washed in an aqueous system?
> > Over the years we've had problems with electrolytics, polystyrene bodied
> > caps and small board mount relays.
> >
> > Does anyone have experience with thermal compound or other thermal
> > management materials in aqueous clean?
> >
> > Oh ya, the system I just installed is a closed loop DI water wash with no
> > chemicals.
> >
> > Phil Nutting
> > Manufacturing Engineer
> > Kaiser Systems, Inc.
> > High Voltage Power Supplies That Work(tm)
> > 126 Sohier Road
> > Beverly, MA 01915
> > ph: 978-922-9300
> > fx: 978-922-8374
> > [log in to unmask]
> >
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