Dalibor,
good job!
I just started preparing glass wafers with pumping pipe:
http://tubedevices.com/alek/pwl/splaszcz/splaszcz30.jpg
Yesterday I found devices for nixies (photolitography process for LC513
tubes). Unfortunatelly I have only "5" and "7" and "grid" templates.
I wonder about photosensitive emulssion. Any suggestions?
W dniu 2012-09-27 22:01, Dalibor Farný pisze:
Hello,
Thanks, I scanned numbers from z566m, so 30mm. I plan to start on 40mm
numbers, and then go higher :-)
Have You received my email in czech yesterday?
Dalibor Farný
http://dalibor.farny.cz
sent from Samsung Galaxy Pad
Dne 27.9.2012 12:37 "kay486" <luckyl...@gmail.com
<mailto:luckyl...@gmail.com>> napsal(a):
Oh wow! Now thats some promissing progress. Cant wait to see some
of your tubes! By the way, how big are those etched numbers?
On Thursday, 27 September 2012 08:06:12 UTC+1, Dalibor wrote:
Hello!
Nice, I am glad You are really working on it, so do I :-) I am
spending all my free time making nixies, not much time to
write about it on blog.. I am now in phase of building glass
lathe again, the previous one was of bad design..
I made several stems from Simax (boro) glass using a
lead-in-wires with tungsten middle sealing part. I tested them
on helium leak detector and some of them are ok! :-) So now I
need the lathe to make the envelopes and seal it..
http://dalibor.farny.cz/wp-content/uploads/2012/09/IMG_8088.jpg
I also did simple experiment with photo-etching of numbers
from thin stainless steel sheet. It works, but the etching
proces will have to be made more even and much much faster to
prevent under-etching..
http://dalibor.farny.cz/wp-content/uploads/2012/08/20120804_120302.jpg
I also had to build new transformer spot welder, the capacitor
discharge welder waswaste of time :-( the new one can be
adjusted, tungsten-steel welds are now really easy :-)
Dalibor Farný
http://dalibor.farny.cz
sent from Samsung Galaxy Pad
Dne 27.9.2012 5:17 "jb-electronics"
<webm...@jb-electronics.de> napsal(a):
Thanks Michel, I am planning to do all kinds of glow lamps
before I get a real torch, a real colon display would be nice.
Next, I will experiment with the aluminum oxide insulator.
Sadly, it is quite brittle, so if you shake the tube too
hard it will break loose. But I could use this insulator
to prevent parts of wires to glow.
But I doubt that air is going to get any brighter, Argon
would probably yield much better results.
Jens
Nice work Jens!
Would be a good combination, nixie tube clock with
glow lamp colons or
something like that. It doesn't seem as bright as neon
but that is
probably because it is a prototype.
Michel
On Sep 27, 7:10 am, jb-electronics
<webmas...@jb-electronics.de>
wrote:
Hi folks,
finally I got my first glow lamp working. It is
the third try, therefore
I call it "GL-LS-3", short for glow lamp lab
sample 3. See two pictures
here:
http://www.jb-electronics.de/tmp/gl-ls-3_1.jpghttp://www.jb-electronics.de/tmp/gl-ls-3_2.jpg
It consists of 9mm soda lime tubing and Dumet
wire. The gas filling is
normal air at 9mbar. It ignites nicely at roughly
550V DC.
I used a simple propane torch for the glass work.
Will switch to a
hand-held oxygen-propane torch in a few months
though (when I have
enough time and money).
I will get my needle valve in two weeks or so,
then I will be able to do
something with neon. Believe it or not: over two
months lead time for a
silly needle valve... Anyway, I hope I will have
the tube making content
prepared for my website by then. It is piling up,
but there is still
much to do.
Best regards
Jens
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