| abstract |
After cleaning of the components, the cup and the ceramic filler beads, the components are primed and embedded in the cup by casting a mixture of pref. 90 parts by wt. of silicone rubber, 10 parts by wt. of silica and 4 parts by wt. of a hardener nearly to the top. After degassing for 2-3 min at 20-50 Torr, the cup is filled and the compound allowed to set for 13-17h at 40-60 degrees C. |