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1. (WO2018022019) FLUID EJECTION DEVICE WITH A PORTIONING WALL

Pub. No.:    WO/2018/022019    International Application No.:    PCT/US2016/044082
Publication Date: Fri Feb 02 00:59:59 CET 2018 International Filing Date: Wed Jul 27 01:59:59 CEST 2016
IPC: B41J 2/05
B41J 2/145
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: CHEN, Chien-Hua
CUMBIE, Michael W.
Title: FLUID EJECTION DEVICE WITH A PORTIONING WALL
Abstract:
According to an example, a fluid ejection device may include a membrane including a first column of firing chambers, a second column of firing chambers, and a portioning wall, in which the portioning wall physically separates the first column of firing chambers from the second column of firing chambers. The fluid ejection device may also include a plurality of actuators and a substrate including a respective hole extending through the substrate from each of the firing chambers, in which an actuator of the plurality of actuators is provided in each of the firing chambers.