[Noisebridge-discuss] xray machine improvements

Jake jake at spaz.org
Tue Apr 16 19:09:07 UTC 2013

the people/trolls on the discuss list can't see your attachments, but i 
looked at them and they are easier to see but maybe more blurry?  I don't 

I was told to take pictures in a different format next time, maybe RAW 
format.  Also i think x-rays were hitting the camera despite the glass 
screen in put in there.

it was a 15 second exposure.

On Tue, 16 Apr 2013, Henner Zeller wrote:

> Hi Jake,On 16 April 2013 01:21, Jake <jake at spaz.org> wrote:
>       i improved the performance of the noisebridge xray machine, not
>       by increasing the power of the xray source, but rather by
>       replacing the glass CRT scintillator (taken from the screen of a
>       macintosh plus) with a Barium Platinocyanide screen.
> This is very nice. Much easier to photograph, and probably brighter as well
> as it is made for this kind of stuff.
>       Here is an xray of a CD player mechanism:
>       http://spaz.org/~jake/xray-cdplayer.jpg
>       Here is an xray of a Clipper card:
>       http://spaz.org/~jake/xray-clippercard.jpg
> This looks promising! How long was the exposure for these pictures ? Do you
> think the high-voltage supply can survive longer exposure ?
> It is possible to get a bit more contrast out of these pictures by modifying
> the curve (see attached mods).
> -h

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