Hi, The slots and thus the remaining bridges seems to have been a relatively simple stage of the process. Orientation of the blank seems to have been simple. The shapes for the electrodes seems to have been worse.
Cheers, Magnus On 02/03/2018 11:34 PM, Bob kb8tq wrote: > Hi > > The “BVA” part of the name refers to the slots machined into the crystal > blank > to manage the mounting stress on the resonator. Both the “plated on the blank” > and the “electrodes off blank” versions are legit BVA approaches. Indeed the > electrode off the blank version is the more expensive (and higher performing) > of the two. > > In addition to price, one probably would want to get a quote of the delivery > lead > time. There are some fancy OCXO’s out there with > 1 year delivery cycles. > > Bob > >> On Feb 3, 2018, at 5:02 PM, Attila Kinali <att...@kinali.ch> wrote: >> >> On Fri, 2 Feb 2018 11:02:27 -0800 >> <cdel...@juno.com> wrote: >> >>> Anyone priced a Rakon HSO-14 option 8. >>> >>> It's the Oscilloquartz 8607 option 8 replacement. >>> >>> I'm almost afraid to ask! >> >> I do not know the HSO-14, but when I asked what the 8607 costs new, I >> got ~5000 CHF for the "lowest" grade and over 14k CHF for the highest >> grade. Of course this was a couple of years ago. I do not know how >> the prices changed in the meantime. Considering that Rakon does not >> build a true BVA, but instead puts the electrodes directly on the >> resonator, I would expect them to be quite a bit cheaper (because >> it doesn't require the couple of µm precision between the resonator >> and the holder/elctrodes the BVA has). >> >> Attila Kinali >> >> -- >> It is upon moral qualities that a society is ultimately founded. All >> the prosperity and technological sophistication in the world is of no >> use without that foundation. >> -- Miss Matheson, The Diamond Age, Neil Stephenson >> _______________________________________________ >> 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.