TheIJC 2015: Development of New Inkjet Head Applying MEMS Technology and Thin Film Actuator

Описание: Kenji Mawatari from Konica Minolta presents during The Inkjet Conference 2015

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"Development of New Inkjet Head Applying MEMS Technology and Thin Film Actuator"

We developed a new inkjet head by applying MEMS technology and piezoelectric thin-film actuator (thin-film MEMS head). Jetting properties of the thin-film MEMS head were calculated by the simulation method of the equivalent circuit model generated from piezoelectric thin-film actuator properties and ink flow channels of the ink jet head. To check our simulation model accuracy, we manufactured a prototype head and investigated the jetting properties and oscillation forms of the actuator. As a result, we found that the experimented jetting properties and vibration forms agreed very well with the simulation and we confirmed that our test piece was driven at maximum 70 kHz and ejected 3 pl droplet with an ink which viscosity was 10 mPa*s.