In one example, a printhead structure includes: a first layer; an array of openings in the first layer to form printing fluid ejection chambers; a second layer on the first layer; an array of orifices through the second layer, each orifice located adjacent to one of the openings in the first layer; a groove in the first layer spanning substantially a full length of the array of openings; and multiple holes through the second layer to the groove in the first layer.
申请公布号
WO2014209379(A1)
申请公布日期
2014.12.31
申请号
WO2013US48676
申请日期
2013.06.28
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
TAYLOR, MARK SANDERS;OLBRICH, CRAIG;DAVIS, BRYON K.