Hello TechNetters!
>
> Excuse my ignorance, but could someone please  explain
>  What is :...electrolytic "strike plate"
>  TIA
>   Mickey Weiner
>
> > -----Original Message-----
> > From:       Mike Bailey [SMTP:[log in to unmask]]
> > Sent:       Mon April 10 2000 17:30
> > To: [log in to unmask]
> > Subject:    [TN] Double Electroless Processing
> >
> > We have long had a practice regarding the processing of thick panels
> with
> > high aspect ratio holes.  We perform standard desmear/electroless
> > deposition
> > followed by a 10 min electrolytic strike plate.  We then re-process the
> > panels through electroless copper.  This has served us well in terms of
> > protection from "bubble" voiding, but has become burdensome on our
> pattern
> > cu throughput.  In all honesty, we have not seen bubble voids, but are
> > probably a bit paranoid and hesitant to break the habit.  The logic of
> > this
> > process has been that if you must re-process the panels, why subject
> > 99.99%
> > of the holes to additional electroless.  It seemed better to lock them
> in
> > with a strike plate first.
> >
> > Anyway, I was in a meeting the other day and it was suggested that we
> > simply
> > re-process the panels a 2nd time thorough electroless copper and
> eliminate
> > the strike plate altogether.  Being the composed individual that I am, I
> > bit
> > my tongue, but was thinking. WHAT PART OF INTERCONNECT INTEGRITY DON'T
> YOU
> > UNDERSTAND?????
> >
> > While I know that we have all done this double pass at one time or
> > another,
> > and it probably appeared to work satisfactorily, you must admit that the
> > main objective at the time was just to get the panels through and avoid
> > scrapping them at that point.
> >
> > I would appreciate a reality check and some feedback on this issue.
> >
> > Thanks in advance
> >
> >
> > Mike Bailey
> > Director of Engineering
> > McCurdy Circuits Inc.
> > 4900 E. Hunter Ave.
> > Anaheim, CA  92870
> > Phone: 714 507-4900 Ext 253
> > FAX: 714 507-4911
> > e-mail: [log in to unmask] <mailto:[log in to unmask]>
> >
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