公开(公告)号：US08746848B2

公开(公告)日：2014-06-10

申请号：US13772201

申请日：2013-02-20

Applicant: Xerox Corporation

Inventor： Andrew W Hays ,  Richard P Germain ,  Joseph A Degroot ,  Peter J Nystrom ,  Jun Ma

IPC: B41J2/04

CPC classification number: B41J2/04598 ,  B41J2/0458 ,  B41J2/04596 ,  B41J2/14056 ,  B41J2/14064

Abstract: Systems and methods of ejecting ink drops from an inkjet printer are disclosed. The systems and methods can include a printhead with one or more actuators with associated nozzles and membranes. A voltage waveform can be applied to the actuators to fill the actuators with a volume of ink and eject the ink through the nozzles as ink drops. The voltage waveform can have associated pre-fill voltage to fill the actuator with ink and a firing voltage to eject the ink. The actuator membranes can have multi-height dimples to protect the membranes from contacting electrodes and reduce the electric field.

Abstract translation: 公开了从喷墨打印机喷射墨滴的系统和方法。 系统和方法可以包括具有一个或多个具有相关联的喷嘴和膜的致动器的打印头。 可以向致动器施加电压波形，以一定量的墨水填充致动器，并且通过墨滴将墨水喷射通过喷嘴。 电压波形可以具有相关联的预充电电压以用墨水填充致动器和用于喷射墨水的点火电压。 致动器膜可以具有多个高度的凹坑，以保护膜不接触电极并减少电场。