Supported O.E.M.'s › ICS-40-790-001 LOWER FOCUS RING, CERAMIC, MUST HAVE SERIAL #, RA INSPECTION & 510588 ADDED TO ENGRAVING Image 1 of 1 ICS-40-790-001 LOWER FOCUS RING, CERAMIC, MUST HAVE SERIAL #, RA INSPECTION & 510588 ADDED TO ENGRAVING $0.00 LOWER FOCUS RING, CERAMIC, MUST HAVE SERIAL #, RA INSPECTION & 510588 ADDED TO ENGRAVING Add To Cart Added! LOWER FOCUS RING, CERAMIC, MUST HAVE SERIAL #, RA INSPECTION & 510588 ADDED TO ENGRAVING You Might Also Like ICS-40-499-010 INSULATOR, UPPER OVERLAP CERAMIC ICS-40-516-007 RING INSULATOR, MACOR ICS-37-221-001 UPPER ELECTRODE ICS-40-289-002 TOWER ELECTRODE MACOR 5" ICS-40-1052-150 END EFFECTOR 150 MM WAFER