Liquid dispensing apparatus measuring condition of liquid and method of controlling the same, and imprint apparatus

An imprint apparatus comprises: a dispensing unit that dispenses a liquid to a substrate; a first measurement unit that measures a time from when a signal for causing the liquid to be dispensed is outputted to the dispensing unit until when the dispensed liquid passes through a predetermined positio...

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Bibliographische Detailangaben
Hauptverfasser: Namba, Hisashi, Takahashi, Yuichi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An imprint apparatus comprises: a dispensing unit that dispenses a liquid to a substrate; a first measurement unit that measures a time from when a signal for causing the liquid to be dispensed is outputted to the dispensing unit until when the dispensed liquid passes through a predetermined position; a second measurement unit that measures a position of the liquid on the substrate that is dispensed by the dispensing unit; and a control unit that controls the measurement by the first measurement unit and the second measurement unit, wherein the control unit performs measurement by the second measurement unit based on a measurement result by the first measurement unit.