Hi Karen,
my notes and vendor documentation and communications give:
for Cameca:
Johann: all (regular sized) TAP, PET, LIF, all synthetic PC crystals (both regular and L-size)
Johansson: all (large sized) LTAP, LPET, LLIF
The same for JEOL:
Johann: TAP, TAPH, PETJ, LIF and LDE synthetic crystals
Johansson: All H- and L-type crystals
Anette