You will also share the same challenges as Touchstone semi did, no one wanted to stick their neck out to design in a little startup.
On Thu, Nov 3, 2016 at 7:49 PM, Bob Camp <kb...@n1k.org> wrote: > Hi > > Not many people have had exposure to Rb’s or Cs standards actually being > built. That leaves a major gap in who you can call when you run into a > problem. > > Until you have tried to build one it’s not at all clear just how much > “missing information” there > is in all those papers. It’s very much like the semiconductor business. > Lots of > information is published. There are indeed lots of gaps. At some point you > must > build tooling and get it all working. > > Again, we are talking about a device that is at least as good as a 5065 > and not > something that just barely works. If you *could* build something better > than a 5065 > for a thousand or two dollars, it would be on the market today. > > Bob > > > On Nov 3, 2016, at 6:34 PM, Attila Kinali <att...@kinali.ch> wrote: > > > > On Thu, 3 Nov 2016 16:54:24 -0400 > > Bob Camp <kb...@n1k.org> wrote: > > > >> If you look at a modern CPU as “just a handful of sand and some stuff”, > it seems > >> pretty easy to build one in the kitchen after an hour or two of setup. > When you dig > >> into the nasty details the line costs rapidly spiral off into the > stratosphere. Atomic > >> standards are not quite as complex, but there still is more than just a > little custom > >> equipment involved. $1M sounds a bit on the low side of what it might > take. > > > > > > Not necessarily. There is a large corpus of knowledge available on > > how to build vapor cells standards and what is a good idea and what > > isn't. Most of it is documented in papers of the PTTI, EFTF and IFCS. > > The former two are freely available (for PTTI until 2010, but that > > should be good enough). Getting access to those papers behind a > > paywall, you only need to know someone with access to a university. > > (not for PTTI post 2010 though, ION has quite anal access rules) > > > > Additionally, the people in the time and frequeny community are very > > open to discussion and exchange of knowledge. You can almost always > > just walk up to someone and ask questions with a high chance of getting > > not only answers but help in how to proceede. > > > > Tapping into this knowhow would avoid the need to try out the whole > > solution space and concentrate on the few parts that are unkown or > > not well enough understood and optimize those. And by doing so safe > > a lot of money. > > > > Attila Kinali > > > > -- > > Malek's Law: > > Any simple idea will be worded in the most complicated way. > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.