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Re: HP chip model planes
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They can still be recycled after the last ferry flight to Tucson ;-)

http://www.flickr.com/photos/telstar/1285915 /

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Regards, Joerg

http://www.analogconsultants.com /

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Re: HP chip model planes
On Sat, 24 Jan 2009 08:57:02 -0800, Joerg

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Ever driven by there?  HUGE place!

                                        ...Jim Thompson
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Re: HP chip model planes
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No, but a pilot friend of mine told me about his experience at an
aircraft salvage yard farther west. He said it's not for the squeamish,
that there'd be lots of crash fuselages and they seem to not always
clean the cockpit after removing the bodies ...

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Regards, Joerg

http://www.analogconsultants.com /

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Re: HP chip model planes
On Sat, 24 Jan 2009 09:45:13 -0800, Joerg

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Would you want that job?

Most interesting salvage I ever saw was a car... guy tried to run a
police road block... the car had probably 50+ BIG bullet holes...
killed the guy, of course ;-)

Before someone's sensibilities are offended... this was in AZ, not in
some weenie-land state.

                                        ...Jim Thompson
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| Analog Innovations, Inc.                         |     et      |
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Re: HP chip model planes
On Sat, 24 Jan 2009 09:45:13 -0800, the renowned Joerg

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Considering the cost of aircraft parts- an arm and a leg- it might be
possible to overlook such evidence of prior owners.



Best regards,
Spehro Pefhany
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Re: HP chip model planes
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You get what you pay for?

Cheers,
James Arthur

Re: HP chip model planes
On Sat, 24 Jan 2009 10:16:38 -0700, Jim Thompson

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---
Google Earth to: "Aircraft boneyard Tucson AZ"

JF  

Re: HP chip model planes

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   Some of those ceramic chips have beryllium Oxide in the ceramic,
which is dangerous to breathe.


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Re: HP chip model planes
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As a side note, you can clean/sharpen your probe station probe tip
using a ceramic package. You use the package like a sharpening stone.
Granted, there is a knack to this.

Re: HP chip model planes

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   It leaves metal dust on the package, though.  A dead IC would be OK,
but I wouldn't do it on any on a PC board.  Just make sure to rinse it
off with water right away if you break the ceramic, to remove any dust,
unless you know for sure there is no Beryllium Oxide.  It can put you in
the hospital, or worse.  A tech on the GRC-106 test line found a broken
4CX250 in a radio at his bench and spend most of a week in the local
hospital.  Lucky for him, the tech next to him was a ham, who knew the
dangers and grabbed a plastic bag to cover the tube and his hands, then
lead him to a sink to wash up, or he might have died.


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Re: HP chip model planes

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Which part of the calculators were the plane wheels?

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Re: HP chip model planes
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Hard to see. Maybe the coin cells, with some black rubber bands? The
first set of coin cells in my HP11C lasted around 15 years. Those old
engineers sure knew their stuff.

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Re: HP chip model planes
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The old HP (not the Chinese outsource Carly Fiorina HP) had the
attitude that the cheapest thing they made reflected on the entire
company. Thus even a calculator was made to HP standards. I was
dealing with HP of old regarding ESD, and nothing left the factory
unless every external pin could handle 30KV. If it took some
protection devices, so be it.

Re: HP chip model planes

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I know it's OT, but I just found these
http://www.darkroastedblend.com/2007/03/really-bad-wiring-jobs_20.html

http://www.darkroastedblend.com/2009/01/you-used-it-for-what-funny-pics.html

http://www.darkroastedblend.com/2008/02/most-dangerous-roads-in-world-series.html

dmm

Re: HP chip model planes
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Finally, something I can do with all those old DIP/DIC parts in my
junque-box.

;-)

Cheers,
Tom

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