Stanzione & Kim, LLP
Inkjet printhead and method of manufacturing the same
An inkjet printhead and a method of manufacturing the inkjet printhead. The inkjet printhead includes a substrate including a trench formed to a predetermined depth in an upper portion of the substrate and an ink feed hole formed through a bottom surface of the trench to supply ink, an etch stop layer formed of a metal and formed on an inner surface of the trench, a plurality of heaters, to create bubbles by heating ink, formed on the substrate, a plurality of electrodes, to apply a current to the plurality of heaters, formed on the substrate, a chamber layer stacked on the substrate and including a plurality of ink chambers formed above respective heaters to receive ink from the ink feed hole via the trench, and a nozzle layer stacked on the chamber layer and including a plurality of nozzles to eject ink from the plurality of ink chambers.
Samsung Electronics Co., Ltd.
B B B B B
B41J B41J B41J B41J B41J
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Hyung Moon-chul Yong-seop Dong-sik
Choi Lee Yoon Shim