[time-nuts] Rakon HSO-14

[Magnus Danielson]

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 <attila at kinali.ch> wrote:
>>
>> On Fri, 2 Feb 2018 11:02:27 -0800
>> <cdelect at 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
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