发明授权
US09555431B2 Discharge system and method of discharge by a discharge system 有权
放电系统和放电系统放电的方法

Discharge system and method of discharge by a discharge system
摘要:
A discharge system includes: a head unit including discharge heads that discharge a liquid material from nozzle openings that are communication with cavities onto a target by changing the internal pressure of the cavities using piezo elements; a viscosity estimating unit that estimates the viscosity of the liquid material by sucking the liquid material from first vessels that hold the liquid material into the cavities; and a waveform control unit that controls the voltage applied to the piezo elements according to the estimated viscosity of the liquid material.
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