inixielab.com sorry for the bogus url in the last post On Wednesday, January 1, 2025 at 1:51:12 AM UTC-5 Leroy Jones wrote:
> The Chinese fellow who is making the DGM01 tube at inixie.com is making > them with glass seals directly on the pins. So it is not lost to the > sands of time. > Those that are making pinch seals with lead wires soldered to a glued-on > base, that is fine but it comes with a caveat. Glue always has a way of > letting go of the glass eventually. > Not always but often enough to make me question it. For the B8971 > tubes, why not go with the glass seals directly on the pins? Especially > since there is already this gentleman > in China who is already producing nixie tubes made this way? I guess I > just have my preferences. Please do not shoot the messenger... > > On Tuesday, December 31, 2024 at 11:03:40 PM UTC-5 Oskar wrote: > >> There were also "real" Nixie tubes that used pinch seals. Please keep in >> mind that Nixie tube manufacturers today work at a much smaller scale and >> with much smaller budgets than the tube industry did in its hayday. It's >> a lot more difficult to establish a reliable method for sealing pins >> directly against the glass if you don't have hundreds of engineers with >> years of experience in glasswork and material science working on the >> process. >> Especially if you are offering ten years of warranty on every single tube >> sold like Dalibor Farny does. I don't think it's wrong to prefer proper >> pin-to-glass seals, but I feel like the way you worded your reply is >> quite dismissive of the considerable efforts manufacturers have put into >> developing new tubes. >> >> That being said, since there are still tubes being produced with this >> kind of seal, I don't think the method has been lost to time entirely. It's >> probably more that the manufacturers that still know the process wouldn't >> be willing to share the details with a small Nixie tube manufacturer. >> >> Leroy Jones schrieb am Mittwoch, 1. Januar 2025 um 04:15:32 UTC+1: >> >>> One thing that bothers/worries me about all of these modern-day nixie >>> tubes is the fact that the base is GLUED on to the envelope. >>> Over the years I have seen plenty of older tubes (not nixies) that had >>> glued bases and the base always eventually comes loose. >>> I have had several old Western Electric ballast lamps that had the base >>> come loose. Luckily the lead wires stayed intact and I was able >>> to re-glue the base to the envelope using cyanoacrylate (aka "super") >>> glue. So I honestly think that this is what we are in for with these >>> modern-day so-called "nixie" tubes. In other words, wait 20 or 30 >>> years and then the base comes loose. In my humble opinion, the nixie >>> tube makers >>> really need to re-learn the skill of sealing good pins to the glass like >>> they used to do. It cannot be that tough of a skill to master. >>> After all millions upon millions of all different types of vacuum tubes >>> were made this way. I think they are using a plain pinch with wires >>> coming out then soldered to a fake little PC board is kind of an easy >>> cop-out they are using to get tubes out the door fast instead of making them >>> properly. Yes, I have a problem with these new tubes. They are not >>> genuine. >>> >>> On Tuesday, December 31, 2024 at 9:25:45 AM UTC-5 Adam Piórko wrote: >>> >>>> The option of an MCU on the PCB is not a bad idea. I dream of a PCB >>>> with control via I2C bus or shift registers. The only problem is that the >>>> B8971 is about the size of an IN-18, and I doubt there would be space for >>>> anything other than traces to the pins :) >>>> >>>> Most likely, the board will have a hole through which the leads from >>>> the tube will pass and need to be soldered to the PCB – and that takes up >>>> space... >>>> >>>> >>>> wtorek, 31 grudnia 2024 o 11:29:16 UTC+1 newxito napisał(a): >>>> >>>>> I’m still interested, I have no problem with the small PCB approach. >>>>> They could add a 50 cents MCU to the PCB for storing the serial number >>>>> and counting the operating hours, of course all data accessible from my >>>>> clock... just kidding... >>>>> >>>>> Richard Scales schrieb am Dienstag, 31. Dezember 2024 um 05:18:14 >>>>> UTC+1: >>>>> >>>>>> A slight update: >>>>>> >>>>>> Whilst the manufacturer has made the DGM01 tube with glass sealed >>>>>> pins at the base - the preferred approach seems to be, like other >>>>>> manufacturers, to use the small PCB at the base. >>>>>> >>>>>> This is to mitigate against leakage around the pins in the glass base >>>>>> which whilst was once a common place manufacturing step (back when tube >>>>>> production was massive) but now appears to be a technique that has been >>>>>> lost in the sands of time. >>>>>> >>>>>> So, that is the current thought. >>>>>> >>>>>> The base absolutely positively has to match the existing B8971 for >>>>>> compatibility purposes. >>>>>> >>>>>> A lot more research has yet to be done and I will report all progress >>>>>> here. >>>>>> >>>>>> In the meantime - thank you all for your support. It is clear that >>>>>> there is demand for such a thing - even if only in the 100's. I look >>>>>> forward to updating you all when I know more. >>>>>> >>>>>> - Richard >>>>>> >>>>>> >>>>>> On Monday, 30 December 2024 at 23:30:16 UTC Bill Stanley wrote: >>>>>> >>>>>>> Hi Richard, >>>>>>> >>>>>>> Add me for 6 of the tubes. >>>>>>> >>>>>>> -Bill- >>>>>>> >>>>>>> >>>>>>> *From:* Richard Scales >>>>>>> *Sent:* Saturday, December 28, 2024 10:34 PM >>>>>>> *To:* neonixie-l >>>>>>> *Subject:* [neonixie-l] B-87971 tubes >>>>>>> >>>>>>> Hello, >>>>>>> I am in discussion with a tube manufacturer regarding the >>>>>>> implementation of a B-8971 replacement tube. >>>>>>> It seems that the idea is fully achievable though I would need to >>>>>>> order 100 units of the first batch in order to make it happen. >>>>>>> Naturally I am asking to see if anyone would be interested in >>>>>>> committing to the purchase of a number of tubes to see if I can get an >>>>>>> order for 100 units together. >>>>>>> Please let me know if you might be interested, the target price for >>>>>>> the first should be close to $75+whatever duties and taxes are applied. >>>>>>> Thereafter the price could get much closer to $50+taxes etc. >>>>>>> Just let me know. >>>>>>> - Richard >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "neonixie-l" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to [email protected]. >>>>>>> To view this discussion, visit >>>>>>> https://groups.google.com/d/msgid/neonixie-l/35e83ab3-4d08-44c1-a52d-53d6fd5ea924n%40googlegroups.com >>>>>>> >>>>>>> <https://groups.google.com/d/msgid/neonixie-l/35e83ab3-4d08-44c1-a52d-53d6fd5ea924n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>> . >>>>>>> >>>>>> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion, visit https://groups.google.com/d/msgid/neonixie-l/6a0a178a-d7e4-4a46-93ff-e640d0c4113en%40googlegroups.com.
