Hi Dalibor, I am from Belgrade, Serbia. Same as you I am trying to make some nixie tubes, but my goal is to make tube as small as possible. Thanks a lot for the book, I am looking forward for it!
About nixies, I am going to use molybdenum cathodes because I want to try to avoid adding mercury. I saw some diagrams where molybdenum cathodes were suggested instead of stainless steel. Although stainless steel with mercury is the best solution for long life, molybdenum is also good. Also, I will try to cut cathodes with laser. Just need to compare prices, if it is not too much I prefer laser. About glass work, I am currently in contact with few companies which produce glass stems. If you can fit in stems that they have in stock it is around 5 euros per stem if you buy more than 100 pieces. Custom made stems are expensive (more that 1500 euros for tooling). Combination of borosilicate glass and kovar alloy can be ordered. I am going with that one too. Also if you need borosilicate glass for kovar welding go directly to Schott company. Schott 8250 is glass made just for that. They said that they make certain amount of this glass once in a year, but they always have something in stock. Minimum quantities are not too big. Regards, Vladimir On May 10, 10:23 pm, "Tidak Ada" <[email protected]> wrote: > Hi Dalibour, > > It would be nice to get a copy ! > Please make the scans of each page separate. It's a munch's work to rework > it trying to get double sided pages. > 600ppi bitmap is fine for text only pages. For pages with photo's 300ppi > gray scale is fine. > Markings from the library are easy to remove by PhotoShoping.... > > succes > > _____ > > From: [email protected] [mailto:[email protected]] On > Behalf Of Dalibor > Sent: donderdag 10 mei 2012 21:52 > To: [email protected] > Subject: [neonixie-l] Re: looking for Weston: Cold cathode glow discharge > tubes > > Hi all, > > I finally find the book and scanned it, I am going to share it with You, but > I have to first remove all signs of the library where I borrowed it ;-) > I should not be illegal, it so old book.. > > I am also preparing a workshop for making nixie tubes at home, I am at the > same point as Dan, leaking system ;-) You can watch my progress > onhttp://dalibor.farny.czI try to share all info, even sometimes too briefly > and delayed.. > > As for the other questions here: > > - gas mixture > search for "Penning mixture" - it is called after its inventor Penning (and > Addink). It is Neon and Argon 0.01 - 1%. More or less argon increases > breakdown voltage. > - anode material > use stainless steel, 0.2mm thick, photo etching > - cathode material > Cathode material has big influence on breakdown voltage (the same gas > mixture: Molybdenum cathode 150V, Fe cathode 240V) I plan to use stainless > steel 0.1mm thick (316L low carbon, vacuum casted). I disassembled a Z566M > tube and did some tests on cathodes and I think it is stainless steel, > Molybdenum would be much brittle and wouldn't melt in 1900C flame as this > did.. > > - cathode distance > use the same distance as in commercial tubes, somewhere around 1.5-2mm > should be OK. more in Weston. > > - gas pressure > 30-40 torr, higher is better, because it prevents cathode sputtering = > longer lifetime, but higher pressure also means higher breakdown voltage and > higher power consumption.. > > Vladimir, Dan, where are You from guys? I am from Czech Republic.. > > Daliborhttp://dalibor.farny.cz > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > Dne úterý, 10. dubna 2012 14:46:12 UTC+2 Dalibor napsal(a): > > Hello guys, > > I am looking for the book from G.F. Weston, "Cold cathode glow discharge > tubes", 1968, but it is (surprisingly) sold out everywhere ;-) > > is there someone so kind to provide me a PDF or some other ebook? > > Thank You! > > Dalibor > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To view this discussion on the web, > visithttps://groups.google.com/d/msg/neonixie-l/-/ReXTz41Aj2QJ. > To post to this group, send an email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/neonixie-l?hl=en-GB. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
