Yeah, I wouldn't worry about the oven, but the ionizer filament is a different story. Those can definitely open up.
-- john, KE5FX Miles Design LLC > -----Original Message----- > From: time-nuts [mailto:[email protected]] On Behalf Of > Donald E. Pauly > Sent: Wednesday, March 22, 2017 11:32 AM > To: time-nuts; [email protected]; Donald E. Pauly > Subject: [time-nuts] Fwd: Fwd: HP5061B Ion Current > > https://www.febo.com/pipermail/time-nuts/2017-March/104374.html > > I have posted two HP patents on the cesium beam tube at > http://gonascent.com/papers/hp/US3323008.pdf and > http://gonascent.com/papers/hp/US3397310.pdf . Both are of academic > interest. The first claims that the cesium oven operates at 60°-70° C. > This is a tiny heating compared to a 1,000° filament on a power > transmitting tube. I say that it can be cycled a million times with > no problem of thermal cracking. > > πθ°μΩω±√·Γλ > WB0KVV > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
