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Gentlemen,
again my question is a bit OT: Has anyone of you personal experience
with QCMs (Quarz Crystal Microbalances) and give me a recommendation on
a) what surface coating is suggested if the aim is to measure small
amoun
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Hi Ulrich,
Ulrich Bangert wrote:
> Has anyone of you personal experience
> with QCMs (Quarz Crystal Microbalances) and give me a recommendation on
> a) what surface coating is suggested if the aim is to measure small
> amounts
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Dear Ulrich,
You question is not as much off-topic as you might think. It is all
about frequency stability and resonators ;-) In the past I used to work
with SAW-devices and micro-balances. We developed our own sensors and
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On Thu, 25 Oct 2007 11:04:06 +0200, Jeroen Bastemeijer <[EMAIL PROTECTED]>
wrote:
>Dear Ulrich,
>
>You question is not as much off-topic as you might think. It is all
>about frequency stability and resonators ;-) In the past
von Bernd T-Online
> Gesendet: Donnerstag, 25. Oktober 2007 06:43
> An: Discussion of precise time and frequency measurement
> Betreff: Re: [time-nuts] QCM
>
>
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>
> Hi Ulrich,
>
> Ulrich Bang
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Hi John,
Neon John wrote:
> A somewhat related question. Can a quartz crystal be used as a pressure
> (actually
> medium to high vacuum) sensor? Specifically, over the range of perhaps 1
> Torr to
> 1e-6 Torr. IOW, over ab
