LIQUID DROPLET FORMING DEVICE AND LIQUID DROPLET FORMING METHOD
Provided is liquid droplet forming device (1) including: liquid container (2) capable of containing a liquid; membranous member (3) disposed at bottom of liquid container (2) and including a discharging hole (3a); deforming unit (4) capable of deforming membranous member (3); and driving unit (5) co...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Provided is liquid droplet forming device (1) including: liquid container (2) capable of containing a liquid; membranous member (3) disposed at bottom of liquid container (2) and including a discharging hole (3a); deforming unit (4) capable of deforming membranous member (3); and driving unit (5) configured to drive deforming unit (4) by outputting a discharging signal for deforming membranous member (3) to discharge the liquid or a suppressing signal for suppressing residual vibration of membranous member (3), wherein the suppressing signal is a signal based on natural vibration period To of membranous member (3), wherein an amplitude of the suppressing signal is lower than or equal to an amplitude of the discharging signal, and wherein interval time Tfrom when outputting of the discharging signal is ended until when outputting of the suppressing signal is started satisfies a formula: T=(m-1/2)×T, where m represents a positive integer. |
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