Good reason for not using mercury in your tubes! Pick a low sputter cathode metal so it isn't necessary. Also, getters are not really necessary in tubes operating at nixie tube pressures. Just do a good bakeout and you will be fine.
ron On Tuesday, June 26, 2012 5:09:26 AM UTC-7, Dalibor wrote: > > Important info! Thanks for that! > > Dalibor > > 2012/6/26 Alek onet <aleksander_zaw...@poczta.onet.pl> > >> Flashes getters aren't good for nixie tubes because barium mirror >> exchange mercury vapours to another gases. That's why. >> >> >> Best regards >> Alek >> >> W dniu 2012-06-26 09:51, Dalibor Farný pisze: >> >> Thats exactly what I mean, I will use flashed getter for testing - I will >> disassemble some old TV tube as Ron suggested. But I want to use right >> getter later.. >> >> Do You have any info about your progress on your site? >> >> Dalibor >> >> 2012/6/26 jb-electronics <webmas...@jb-electronics.de> >> >>> Hi folks, >>> >>> the only tube with a flashed getter I know of is the XN-1: >>> http://www.tube-tester.com/sites/nixie/data/XN1/XN1.htm >>> >>> To be honest: I will not use getters at the moment. There is so much >>> glasswork to figure out for me, that is the part that I will focus on in >>> the next months. :-) >>> >>> Jens >>> >>> Hi Dylan, >>> >>> flashed getters are not used in nixies (I havent seen it at least), just >>> some VFD tube use flashed getters. Flashed getters leave a coating on a >>> glass envelope of the tube - we don't want that. I think that kind of >>> getter needs only initial activation by heat which could be done by >>> induction heating as well as in the case of flashed getters. Look to IN-14 >>> nixie, there is exactly the same pellet. >>> >>> The only matter to solve will be attaching the pellet to a wire, but I >>> think that will be possible to do by spot welding - inspired by IN-14. >>> >>> Thanks, >>> >>> Dalibor >>> >>> 2012/6/26 dylan roelofs <doktorb...@gmail.com> >>> >>>> Hey Dalibor and others- >>>> I don't feel that these are the right getters for nixie tubes. >>>> The literature lists them as thermally active- they only absorb if >>>> you put them somewhere hot. >>>> Many styles of getters are made this way; most tubes do run quite >>>> hot, beacuse of the filaments.. >>>> >>>> There isn't anywhere in a nixie tube that is constantly 100C-200C. >>>> (That's part of the magic of nixies, of course) >>>> >>>> You really want some flashed barium getters; they absorb gasses at >>>> any temperature. >>>> >>>> -Dylan >>>> www.dylankehderoelofs.com >>>> >>>> >>>> >>>> >>>> On Monday, June 25, 2012 11:21:36 AM UTC-7, Dalibor wrote: >>>>> >>>>> Hello guys, >>>>> >>>>> I've got an offer on getters, tech info attached.. the price is >>>>> approx. 5pcs/1 eur. Is anyone interested in it? I will place an order in >>>>> several weeks, I may send some pieces sealed in argon filled tube.. >>>>> >>>>> -- >>>>> Dalibor Farny >>>>> http://dalibor.farny.cz >>>>> >>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "neonixie-l" group. >>>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msg/neonixie-l/-/VDpd_HcdKewJ. >>>> >>>> To post to this group, send an email to neonixie-l@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> neonixie-l+unsubscr...@googlegroups.com. >>>> For more options, visit this group at >>>> http://groups.google.com/group/neonixie-l?hl=en-GB. >>>> >>> >>> >>> >>> -- >>> Dalibor Farny >>> http://dalibor.farny.cz >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "neonixie-l" group. >>> To post to this group, send an email to neonixie-l@googlegroups.com. >>> To unsubscribe from this group, send email to >>> neonixie-l+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://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 neonixie-l@googlegroups.com. >>> To unsubscribe from this group, send email to >>> neonixie-l+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/neonixie-l?hl=en-GB. >>> >> >> >> >> -- >> Dalibor Farny >> http://dalibor.farny.cz >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "neonixie-l" group. >> To post to this group, send an email to neonixie-l@googlegroups.com. >> To unsubscribe from this group, send email to >> neonixie-l+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://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 neonixie-l@googlegroups.com. >> To unsubscribe from this group, send email to >> neonixie-l+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/neonixie-l?hl=en-GB. >> > > > > -- > Dalibor Farny > http://dalibor.farny.cz > > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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