Inkjet head, method of manufacturing inkjet head, and inkjet recording method
A manufacturing method and technology of an inkjet head, which are applied in the fields of inkjet recording and inkjet recording of inkjet recording images, can solve problems such as erosion, and achieve the effect of excellent ink resistance and adhesion
Active Publication Date: 2021-08-20
KONICA MINOLTA INC
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However, in the method disclosed in Patent Document 1, although it is true that higher ink resistance can be obtained compared with the SiO2 component, due to the presence of the SiO2 component in the lyophobic layer base film, sub>2 have the same chemical bond structure, so it is clear that starting from this structure part, the lyophobic layer basement membrane is gradually eroded by alkaline ink, and in the inkjet recording method using alkaline ink, there is still question
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[0181] Hereinafter, although an Example demonstrates this invention concretely, this invention is not limited to this. In addition, the expression of "part" or "%" is used in an Example, Unless otherwise indicated, it means "part by mass" or "% by mass". In addition, unless otherwise specified, each operation was performed at room temperature (25 degreeC).
[0182] 《Making of Nozzle Plate》
[0183] [Production of Nozzle Plate 1]
[0184] According to the following method, the production of Figure 3A The nozzle plate 1 is formed with the described configuration.
[0185] (1) Preparation of substrate
[0186] As the substrate, a single crystal silicon substrate with a thickness of 100 μm was prepared.
[0187] (2) Formation of lyophobic layer basement membrane 1
[0188] Next, use a silicon compound containing alkane (abbreviation: TMS, tetramethylsilane, Si(CH 3 ) 4 )) as the material gas for the formation of the lyophobic layer base film 1, using argon gas as the carr...
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Abstract
The problem to be solved by the present invention is to provide: an inkjet head equipped with a nozzle plate of superior ink resistance and adhesiveness; a method of manufacturing the same; and an inkjet recording method that, by using the same, is capable of yielding a high-quality inkjet recorded image. The inkjet head according to the present invention is an inkjet head provided with a nozzle plate comprising at least a substrate, the inkjet head being characterized in that: the nozzle plate has a liquid-repellent layer on the outermost surface on an ink dispensing face side of the substrate, and has a liquid-repellent layer undercoat between the substrate and the liquid-repellent layer; the liquid-repellent layer undercoat contains at least silicon (Si) and carbon (C); and the maximum peak P of surface Si2p orbital bond energy as measured via X-ray photoelectron spectroscopy falls within the range represented by formula (1). Formula (1) 99.6 (eV) <= P <= 101.9 (eV).
Description
technical field [0001] The present invention relates to an inkjet head, a method of manufacturing the inkjet head, and an inkjet recording method. Specifically, it relates to an inkjet head including a nozzle plate excellent in ink resistance and adhesion, a method for manufacturing the same, and an inkjet recording method capable of obtaining a high-quality inkjet recorded image using the inkjet head. Background technique [0002] Conventionally, there have been proposed inkjet recording methods in which ink droplets are discharged from nozzles of an inkjet head to form an inkjet image on a recording medium. [0003] In an inkjet head, when ink droplets are discharged, due to the influence of the ink mist generated in the inkjet recording device, the rebound of the ink from the recording medium, etc. around) when ink adheres. It is known that when ink adheres to the ejection surface and clogs the vicinity of the discharge port, the discharge angle of the ink is bent. As ...
Claims
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IPC IPC(8): B41J2/14B41J2/16
CPCB41J2/162B41J2/1606B41J2/1642B41J2/1646B41J2/1628B41J2/1634B41J2/1645B41J2202/20B41J2/14233B41J2002/14258
Inventor 佐藤洋平下村明久香西洋明
Owner KONICA MINOLTA INC