Ink-jet printer head having laminated protective layer and method of fabricating the same
AssigneeSamsung Electronics Co., Ltd.
InventorsJae-sik Min, Young-ung Ha
Life of this patent
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Abstract
A heat transfer type ink-jet print head and a method of fabricating the same. A method of fabricating an ink-jet print head includes sequentially laminating a heat generation layer and an electrode layer on a substrate, laminating a protective layer on the top surfaces of the electrode layer and the heat generation layer by sequentially laminating a first protective layer and a second protective layer on the top surfaces of the electrode layer and the heat generation layer, and laminating an ink chamber barrier and a nozzle plate on the top surface of the protective layer to form an ink chamber to prevent defects such as “pin-holes” from being generated during the formation of the first protective layer.
Claims11
An ink-jet print head comprising:
- a main substrate;
- an ink chamber formed on the main substrate;
- a heat generation layer laminated on a bottom surface of the ink chamber;
- an electrode layer laminated on a top surface of the heat generation layer;
- and
- a protective layer laminated on top surfaces of the electrode layer and the heat generation layer,
- wherein the protective layer comprises a first protective layer laminated on the top surfaces of the heat generation layer and the electrode layer and a top surface of the first protective layer is subject to surface treatment by applying a plasma thereto to remove pinholes from the top surface of the first protective layer so that the top surface is devoid of pinholes, and
- wherein the heat generation layer and the electrode layer were subjected to surface treatment to remove pinholes by applying the plasma to the top surfaces thereof.
An ink-jet print head comprising:
- a main substrate;
- an ink chamber formed on the main substrate;
- a heat generation layer formed on a bottom surface of the ink chamber;
- an electrode layer formed on a top surface of the heat generation layer;
- and
- a plurality of first protective layers formed on top surfaces of the electrode and heat generation layer, wherein the top surface of each of the plurality of first protective layers is devoid of pinholes, and wherein the heat generation layer and the electrode layer were subjected to surface treatment to remove pinholes by applying the plasma to the top surfaces thereof.
Dependencies are inferred from the claim text.