Semiconductor alignment apparatus and method for aligning semiconductor

A method of correcting a misalignment of a wafer on a wafer holder and an apparatus for performing the same are disclosed. In an embodiment, a semiconductor alignment apparatus includes a wafer stage; a wafer holder over the wafer stage; a first position detector configured to detect an alignment of...

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Bibliographische Detailangaben
Hauptverfasser: YANG, CHIH-KAI, CHEN, LIANG-YIN, CHANG, HUING, CHEN, CHIANG, YEO, YEEIA
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A method of correcting a misalignment of a wafer on a wafer holder and an apparatus for performing the same are disclosed. In an embodiment, a semiconductor alignment apparatus includes a wafer stage; a wafer holder over the wafer stage; a first position detector configured to detect an alignment of a wafer over the wafer holder in a first direction; a second position detector configured to detect an alignment of the wafer over the wafer holder in a second direction; and a rotational detector configured to detect a rotational alignment of the wafer over the wafer holder.