wrote:

Thank you very much for your replies.

By frequency spread I mean that the when heaps of crystals are lapped
at one time in the lapping machine, the difference in frequency from
one crystal to the another is quite big which is the frequency spread.
How Can I minimise this spread.

Cheers
Pankaj.

Lap to the exact same thickness and naturally the same 'cut' direction.
A slight deviation off this cut angle and all bets are off.

Crystal material is just that - crystal lattice that must be in a specific plane.

Martin

--
Martin Eastburn
@ home at Lion's Lair with our computer lionslair at consolidated dot net
NRA LOH, NRA Life
NRA Second Amendment Task Force Charter Founder

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