Sorting of all the parts according to its material. Cleaning of the Cryostat Components Read the instructions given in the web-page CCD Cryostat Pages under the caption Needed Equipment and Precautions . Read the instructions in the same web-page under the caption Handling Procedures and Working Conditions . Read the treatment instructions under the caption Treatment of Cryostat Components . This is giving the washing methods and the baking temperatures of the different materials.
All components have to be first cleaned by hand with paper and acetone respectively alcohol.
The materials which are suitable to be washed in an ultrasonic bath are carefully introduced into this bath. The parts has to be handled with care in order not to scratch the surfaces, especially the sealing surfaces. The ventilation of the fume cupboard has to be run. The parts have to be cleaned two times in the ultrasonic bath. The first bath should not contain dirty solvents or solvents, which have been used more than 3 times.