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PIEZOELECTRIC INKJET PRINTHEAD AND AN OPERATION METHOD THEREOF CAPABLE OF MEASURING THE NATURAL VIBRATION PERIOD OF AN INKJET HEAD
PIEZOELECTRIC INKJET PRINTHEAD AND AN OPERATION METHOD THEREOF CAPABLE OF MEASURING THE NATURAL VIBRATION PERIOD OF AN INKJET HEAD
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机译:压电式喷墨打印头及其可测量喷墨头自然振动周期的操作方法
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摘要
PURPOSE: A piezoelectric inkjet printhead and an operation method thereof are provided to stably discharge high frequency to the outside even if the high-frequency is over 30 KHz.;CONSTITUTION: A piezoelectric inkjet printhead(100) comprises a pressure chamber(102), a piezoelectric actuator(104), and a pulse applying unit(106). The piezoelectric actuator supplies driving force for discharging ink to the pressure chamber. The pulse applying unit applies a drive pulse, comprising a first descent section, a first maintenance section, an ascent section, a second maintenance section, and a second descent section, to the piezoelectric actuator.;COPYRIGHT KIPO 2012
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