NE-CAT (MX beamlines at APS) placed an order and tested pucks from http://www.crystalpositioningsystems.com/ and found that they worked well! We would definitely recommend that this be considered as a source for ALS style pucks.
These pucks were used with this setup that we have: http://necat.chem.cornell.edu/~perry/ Crystal Positioning Systems contact info can be found on their website. Cyndi Salbego http://necat.chem.cornell.edu/index.htm Administrator, NECAT 630.252.0689
