[time-nuts] Bye-Bye Crystals

Bob Camp kb8tq at n1k.org
Mon Mar 13 20:14:19 EDT 2017


Hi

> On Mar 13, 2017, at 7:12 PM, jimlux <jimlux at earthlink.net> wrote:
> 
> On 3/13/17 3:19 PM, Bob Camp wrote:
>> Hi
>> 
>> …. ummm …. errr … Add to that:
>> 
>> X-ray gear to work out the orientation of the (possibly natural) bar you are sawing
>> Lapping gear to get the blanks flat (as optically flat)
>> Automated / sorting X-ray gear to figure out what’s what after they are lapped
>> Rounding equipment to turn the square ones into round ones without damaging them
>> Contouring gear to put the proper shape on one or both sides (or pipes)
>> Polishing gear to finish the shaping process
>> Etching baths to get the surface to it’s final condition
>> High vacuum cleaning to get all the crud off of all the parts before you do much of anything with themA base plater to put on the initial electrodes
>> Mounting fixtures to get the crystal into the holder
>> Cement curing (generally vacuum based) gear
>> Plate to frequency gear
>> 
>> That’s a short list, there actually is a bit more on a full list. The cleaning gear can get pretty extensive depending on the end application.
>> 
>> 
> 
> Just get the Kurt J. Lesker catalog out and start ordering<grin>

… since a lot of it goes into a single “never break vacuum” enclosure, it gets complicated fast. Toss in the 
fact that you want a *good* vacuum and there’s a lot of stainless steel all over the place. 

Bob

> 
> 
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