SK ENPULSE

Chucks being parts of semiconductor etching machines; rings other than for land vehicles, namely, metal seal rings and ceramic seal rings, being parts of machines for manufacturing semiconductors; machine parts, namely, hoods; hoods being parts of semiconductor etching machines; rings being parts of semiconductor etching machines, namely, ceramic focus rings, ceramic seal rings and ceramic rings for providing thermal insulation; ceramic tubes being parts of semiconductor wafer processing machines; ceramic pipes being parts of semiconductor wafer processing machines; ceramic panels being parts of semiconductor wafer processing machines; gas distributing plates being parts of semiconductor manufacturing machines; multi-layered ceramic boards being parts of semiconductor manufacturing machines; plasma etching machines; robotic arms being parts of semiconductor etching machines; electrodes being parts of semiconductor wafer processing machines; ceramic focus rings and ceramic seal rings being parts of machines for manufacturing semiconductors; ceramic rings for providing thermal insulation, being parts of machines for manufacturing semiconductors