OT: re: drilling a hole through a Pentium chip

[Marcel Kunath]

You might want to ditch that chip Ben. Go for an even cooler keychain model
called alancoxonachip

>
http://www.alancoxonachip.com/


mk


> Did you try a bullet?
>
> Mike Iott
>
> Dale Grover wrote:
>
> > Two thoughts:
> >
> > 1  Don't drill a hole--attach a loop to some metal pin/pad.
> > If PGA, I'd just shear off all the pins, leaving pads on
> > back, then take a piece of copper, brass, or tin-plated
> > steel and solder it on.  (Epoxy would work too.)  BTW, MSU
> > salvage probably has a bunch of these for cheap, if you need
> > a few tries to get it right--or have friends who need key
> > chains too.
> >
> > 2  HSS (high speed steel--typical drill bit) definitely
> > won't hack it.  I don't think even carbide drill bits would
> > be happy, but I could be wrong.  Diamond-based abrasives or
> > cutting tools will do it.  Patience, a hardwood dowel, drill
> > press, and some abrasives would also do it, just take
> > longer.  If possible, much easier to go with #1.  Ceramics
> > don't like being cut with everyday tooling.  But many
> > ceramic packages are a sandwich, and can be split along the
> > cement line to reveal the chip inside.  Much nicer than a
> > monolithic ceramic package, no?
> >
> > Ceramics are neat materials, but not as easy to play with as
> > plastics and metals.  Given the forces involved, Intel (and
> > everyone else) needs a pretty rugged package to handle the
> > non-zero force per pin x many many pins.  Then add amazing
> > heat flow.  Coefficient of expansion close to silicon.
> > Etc., etc.  Lots of engineering that goes *around* the chip,
> > not just in it.  Still a bit strange that, susceptible as it
> > is to a tiny static discharge, an IC can be physically
> > almost bullet proof.  Or Ben proof :)
> >
> > --Dale
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> > http://www.egr.msu.edu/mailman/listinfo/linux-user
>
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--
Marcel Kunath

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 Montie House Network            Greater Lansing Linux Users Group
  http://www.montiehouse.com      http://www.gllug.org

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