LIFT PIN UNIT AND SUBSTRATE SUPPORTING UNIT HAVING THE SAME

Provided is a substrate supporting unit. The substrate supporting unit includes a susceptor supporting the substrate and having a pin hole vertically formed therein, a lift pin provided to move up and down along the pin hole, a support plate supporting the lift pin, and a driving unit vertically mov...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HA, KANG RAE, KIM, HYUNG JOON
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Provided is a substrate supporting unit. The substrate supporting unit includes a susceptor supporting the substrate and having a pin hole vertically formed therein, a lift pin provided to move up and down along the pin hole, a support plate supporting the lift pin, and a driving unit vertically moving the support plate. The lift pin has a first magnetic substance formed at a lower end thereof. The support plate has a second magnetic substance provided thereon and having an opposite polarity to a polarity of the first magnetic substance.