LIQUID DISCHARGE HEAD AND MANUFACTURING METHOD OF THE SAME, AND PRINTING APPARATUS

To provide a liquid discharge head in which liquid is hard to be fixed on an external surface of a projection part provided in a discharge port, a manufacturing method of the liquid discharge head and a printing apparatus.SOLUTION: A liquid discharge head has a discharge port 12 which discharges liq...

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Bibliographic Details
Main Author HAMADE YOHEI
Format Patent
LanguageEnglish
Japanese
Published 27.12.2018
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:To provide a liquid discharge head in which liquid is hard to be fixed on an external surface of a projection part provided in a discharge port, a manufacturing method of the liquid discharge head and a printing apparatus.SOLUTION: A liquid discharge head has a discharge port 12 which discharges liquid, and includes at least one projection part 5 projecting from a peripheral edge portion 12a of the discharge port 12 toward the center of the discharge port 12, and a high water repellency area 3 having higher water repellency on an external surface 40a including at least a protrusion edge 1 of the projection part 5 than on an external surface 40 around the discharge port 12.SELECTED DRAWING: Figure 1 【課題】吐出口に設けられた突起部の外表面に、液体が固着しにくい液体吐出ヘッド及びその製造方法並びに印字装置を提供する。【解決手段】液体吐出ヘッドは、液体を吐出する吐出口１２を有し、吐出口１２の周縁部１２ａから、吐出口１２の中心に向かって突出する少なくとも１つの突起部５を含み、突起部５の少なくとも突起縁１を含む外表面４０ａに、吐出口１２の周辺の外表面４０よりも撥水性が高い高撥水性領域３を備える。【選択図】図１
Bibliography:Application Number: JP20170113562