[time-nuts] quartz crystal configuration in small cases
alan.melia at btinternet.com
Tue Mar 13 20:46:40 UTC 2012
hi Magnus the only "bar" resonators I have actually seen were NT flexural bar. Modern cuts probably include all sorts of resonator modes....but are these AT cuts?
--- On Tue, 13/3/12, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:
> From: Magnus Danielson <magnus at rubidium.dyndns.org>
> Subject: Re: [time-nuts] quartz crystal configuration in small cases
> To: time-nuts at febo.com
> Date: Tuesday, 13 March, 2012, 17:59
> On 03/13/2012 06:35 PM, ALAN MELIA
> > Hi Atilla, I dont have book availabe but AT cut is a
> thickness-shear vibration mode so plate area may not be an
> issue ?? Just harder to make :-))
> One of the AT cut oscillators I use has a crystal bar rather
> than a circular plate. Being mass-produced in bulk, etched
> etc. It is just a different process.
> I'm sure the crystal oscillator folks here could point to
> some good sources on that.
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