> ... I do seem to recall that nixies generally have something
> coated on the back of the digits to suppress the discharge there,
> to concentrate it on the fronts.
NO-O-O-O !
Don't coat them cathodes at all, so the glow is even all around ! Use
a mesh anode, both front and back, so you can see
another interesting link:
http://www.worldlingo.com/ma/enwiki/en/Penning_mixture
Dieter
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Thanks Nick!
That's it!
Cold Cathode Glow Discharge Tubes
Author: G F Weston
June 1968
ISBN-13: 9780592027753
ISBN-10: 0592027759
Pages: 374
http://en.wikipedia.org/wiki/George_Weston_%28physicist%29
And:
there was another article:
"The Effect of Current and Pressure on the Impedance of Cold Ca
On Feb 28, 6:46 pm, "Dieter Waechter" wrote:
> Hello Marcin,
> yesm I know Alek of course.
> But the document I had was a US book. (Or maybe an English one?)
> Dieter
This does sound like the Weston book.
Nick
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"neoni
Hello Marcin,
yesm I know Alek of course.
But the document I had was a US book. (Or maybe an English one?)
Dieter
- Original Message -
From: "marcin"
To: "neonixie-l"
Sent: Monday, February 28, 2011 7:02 PM
Subject: [neonixie-l] Re: Material for cathode?
Somebody already mentioned Alek http://tubedevices.com/alek/pwl/pwl_e.htm
Somewhere from his vast web archives I dag out a paper describing the
first polish nixie LC-1. Can't recall the exact link though. And, this
article is in polish ;)
Shortly: material used for the cathodes was steel, anode was
There was a discussion some years ago at the old NEONIXIE-L.
There was a book recommended but I forgot the name.
The book contained data about the gas, pressures, and so on.
I had a copy as pdf, but can't find it in my archive
Can anyone recall the name?
DIETER
http://www.nocrotec.com/
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You
Hi,
It is totally not nixie but still one of my oldtime favourites:
http://translate.google.com/translate?u=http://paillard.claude.free.fr/&langpair=fr%257Cen&hl=en&ie=UTF-8
He's french... (but with google translate the site is readable) and he
makes his own vacuum tubes like triodes. He made his
Wow, lots of good advice. Thanks!
It sounds like I should start by testing our shop's vacuum pressure
capabilities on existing nixies and if all goes well then it is
possible to use stainless steel for cathodes. I'll need to experiment
with the placement of the cathode and spacing. And then I wil
On Feb 28, 6:32 am, Nick wrote:
> On Feb 28, 12:14 am, Sixsmith wrote:
>
> > Hi,
> > We're experimenting with making our own nixie tubes in our shop.
...
>
> Weston (pp334) says that nickel is ideal but not strong enough, and
...
I should have mentioned that a patent search would be an excellent
I think that if I was going to go down the road of making homemade Nixies,
I'd contact the guy that wrote this:
http://tubedevices.com/alek/pwl/lc1d/homemade_nixie_tubes.pdf
-Adam
On Sun, Feb 27, 2011 at 10:32 PM, Nick wrote:
> On Feb 28, 12:14 am, Sixsmith wrote:
> > Hi,
> > We're experiment
On Feb 28, 12:14 am, Sixsmith wrote:
> Hi,
> We're experimenting with making our own nixie tubes in our shop. I was
> planning on making the cathode out of stainless steel, but was
> wondering if anyone had any advice about the best material to use.
> Would it be better to try to find something ra
I used to do neon signs so I understand your problem of getting a low
enough pressure. For the best vacuum you need a backing pump and a
turbo pump, sometimes called a molecular transfer pump. Neither are
cheep. Of course neon tubes use a MUCH higher voltage.
On 2/27/2011 8:36 PM, Stuckey w
LOL.
I seem to remember nickel from somewhere, but I'm probably wrong.
Isn't it in a datasheet somewhere? Maybe some manufacturer has some
old internal memos/datasheets they wouldn't mind giving up nowadays if
you emailed them.
On Feb 27, 8:52 pm, David Forbes wrote:
> On 2/27/11 5:14 PM, Sixsmi
As far as the best material goes, I don't know if I could answer that
one. I started experimenting by modifying existing Nixie tubes. I
took a few cheap Russian tubes and broke off the seal. I tried
replacing the neon penning mixture with Argon to change the color.
The biggest challenge I faced
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