🚀 go-pugleaf

On Jan 25, 1:35 pm, Joerg <notthisjoerg...@removethispacbell.net>
wrote:
> m...@sushi.com wrote:
> > On Jan 24, 8:57 am, Joerg <notthisjoerg...@removethispacbell.net>
> > wrote:
> >> m...@sushi.com wrote:
> >>> On Jan 23, 5:51 pm, "David L. Jones" <altz...@gmail.com> wrote:
> >>>> On Jan 24, 9:35 am, Mark Harriss <bi...@blartco.co.uk> wrote:
> >>>>> David L. Jones wrote:
> >>>>>> Thought I'd share this I came across on another group:
> >>>>>>http://www.elcafevirtual.com/julio/
> >>>>>> Model planes made entirely from old HP calculator chips and parts.
> >>>>>> Dave.
> >>>>> I wonder how many collector's item HP machines were destroyed to make
> >>>>> these works of art.
> >>>> None.
> >>>> From the constructor:
> >>>> "The Lockheed F-104 Starfighter was the second of four I made more
> >>>> than 30 years ago with defective and scrap HPchips. This aircraft
> >>>> model I made with IC,s of the Clasic and Woodstock pocked calculator
> >>>> series. This model has a modified HP-67 card reader mechanism built-in
> >>>> that moves up and down the landing gear, pilots' cabin and the engine
> >>>> light and four intermitent tricolor leds, powered by 6 V."
> >>>> Dave.
> >>> Those are recyclable packages, not scrap.
> >> They can still be recycled after the last ferry flight to Tucson ;-)
>
> >>http://www.flickr.com/photos/telstar/1285915/
>
> >> --
> >> Regards, Joerg
>
> >>http://www.analogconsultants.com/
>
> >> "gmail" domain blocked because of excessive spam.
> >> Use another domain or send PM.
>
> > I don't think that kind of ceramic package is used for anything other
> > than prototypes. So you would recycle them for in house use.
>
> Oh, we have used tons of ceramic chip packages in ultrasound machines.
> Also, the gear in my lab is full of them. For example, all EPROMs in the
> HP4191 are ceramic. And then they stuck them into cheap sockets
> (#^&*%!!). Which had once cost me almost a day to figure out why the
> thing wouldn't calibrate anymore. There was an intermittent socket contact.
>
> > There is a boneyard near the old El Mirage airport near Lancaster. I
> > got permission to tour it a few years ago, but no photographs.
> > However, there are photographs from the outside the fence on the net.
> >http://ludb.clui.org/ex/i/CA4952/
> >http://www.flickr.com/photos/telstar/6202560/
> >http://www.lazygranch.com/el_mirage.htm
> >http://tinyurl.com/bdooxg
>
> Brings back old memories. My first flight across the big pond was in one
> of these, with Capitol Airways:
>
> http://www.airplane-pictures.net/image2124.html
>
> It probably also ended in Tucson by now.
>
> > You may remember these guys for getting busted by having scraped
> > F-14s, a plane used by Iran, which just would love to get spare parts.
>
> Whoops. Not good.
>
> > I think the place has new owners, so I have no idea if you can tour it
> > anymore.
>
> --
> Regards, Joerg
>
> http://www.analogconsultants.com/
>
> "gmail" domain blocked because of excessive spam.
> Use another domain or send PM.

Oh cerdips still exist, but I never worked anywhere where the solder
on lid type (side braze) was sold to customers. The cerdips have a
ceramic lid that looks like the same material as the body. More like
this:
http://smithsonianchips.si.edu/ice/images/images/5445.jpg

Ok, I stand corrected. It took me a while, but I found a product that
was sold in side braze:
AT28C040-20BC