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    • 4. 发明授权
    • Liquid discharge head and method of manufacturing the same
    • 液体排放头及其制造方法
    • US07789490B2
    • 2010-09-07
    • US11775994
    • 2007-07-11
    • Yoshikazu SaitoNorio OhkumaEtsuko HinoMitsutoshi Noguchi
    • Yoshikazu SaitoNorio OhkumaEtsuko HinoMitsutoshi Noguchi
    • B41J2/05
    • B41J2/1645B41J2/1603B41J2/1631B41J2/1639
    • An ink jet recording head can record an image having a high quality level for a long period of time by use of a material having a reduced linear expansion coefficient and a satisfactory patterning characteristic. The liquid discharge head includes an energy generating element which generates energy for discharging a liquid; a discharge port which discharges the liquid; and a flow path forming member to form a flow path which supplies the liquid to the discharge port, the flow path forming member being formed of a cured material of a resin composition including a cationic polymerizable resin, a cationic photopolymerization initiator, a condensation product of hydrolyzable organic silane compounds, and inorganic fine particles having an average particle diameter of 50 nm or less.
    • 喷墨记录头可以通过使用具有降低的线性膨胀系数和令人满意的图案特征的材料来长时间记录具有高质量水平的图像。 液体排出头包括产生排出液体的能量的能量产生元件; 排出液体的排出口; 以及流路形成部件,其形成将液体供给到排出口的流路,所述流路形成部件由包含阳离子可聚合树脂,阳离子光聚合引发剂,阳离子光聚合引发剂的缩合产物的树脂组合物的固化物形成, 水解性有机硅烷化合物,平均粒径为50nm以下的无机微粒。
    • 5. 发明申请
    • Wiper blade member for ink jet recording head, ink jet recording apparatus having wiper blade and ink jet recording method
    • 用于喷墨记录头的刮片构件,具有刮片和喷墨记录方法的喷墨记录装置
    • US20060125875A1
    • 2006-06-15
    • US11290497
    • 2005-12-01
    • Norio Ohkuma
    • Norio Ohkuma
    • B41J2/165
    • B41J2/16535
    • The invention provides a wiper blade member maintaining a high water repellency even for a pigment ink, and an ink jet recording apparatus equipped with such wiper blade member. The wiper blade member of the invention for eliminating a deposition an ink discharge face of the ink jet recording head is made water repellent by a condensate of a fluorine-containing hydrolysable compound. The condensate increases a fluorine content significant and shows a strong adhesion a substrate (blade) by the presence of the hydrolysable group. It strongly adhered to the substrate by a condensation reaction only by a hydrolysis, but the adhesion can be further improved by a photo- or thermocuring. The curing reaction can be executed at a relatively low temperature, without causing a damage to the blade constituting the substrate.
    • 本发明提供了即使对于颜料墨水也保持高斥水性的刮水片构件,以及配备有这种刮水片构件的喷墨记录装置。 用于消除喷墨记录头的喷墨面的沉积的本发明的刮水片构件被含氟可水解化合物的缩合物防水。 冷凝物通过存在可水解基团增加氟含量,并显示出对底物(叶片)的强粘附性。 它仅通过水解通过缩合反应强烈地附着在基材上,但通过光固化或热固化可以进一步提高粘附性。 固化反应可以在相对低的温度下进行,而不会对构成基材的刮板造成损坏。
    • 7. 发明授权
    • Manufacturing method of ink jet head
    • 喷墨头的制造方法
    • US06139761A
    • 2000-10-31
    • US670581
    • 1996-06-26
    • Norio Ohkuma
    • Norio Ohkuma
    • B41J2/16H01L21/306
    • B41J2/1603B41J2/1628B41J2/1629B41J2/1631B41J2/1639B41J2/1645
    • A manufacturing method for an ink jet head having an ink ejection pressure generation element for generating energy for ejecting ink, and an ink supply port for supplying the ink to an ink jet head, including the steps of preparing a silicon substrate; forming, on a surface of the silicon substrate, the ink ejection pressure generation element and silicon oxide film or silicon nitride film; forming anti-etching mask for forming an ink supply port on a back side of the silicon substrate; removing silicon on the back side of the silicon substrate at a position corresponding to the ink supply port portion through anisotropic etching; forming an ink ejection portion on a surface of the silicon substrate; and removing the silicon oxide film or silicon nitride film from the surface of the silicon substrate of the ink supply port portion.
    • 一种喷墨头的制造方法,具有用于产生用于喷射油墨的能量的喷墨压力产生元件和用于将油墨供应到喷墨头的供墨口,包括以下步骤:制备硅基板; 在所述硅衬底的表面上形成所述喷墨压力产生元件和氧化硅膜或氮化硅膜; 形成用于在所述硅衬底的背面上形成供墨口的防蚀刻掩模; 通过各向异性蚀刻在对应于供墨口部分的位置移除硅衬底背面的硅; 在所述硅基板的表面上形成喷墨部; 以及从供墨口部分的硅基板的表面去除氧化硅膜或氮化硅膜。
    • 10. 发明授权
    • Recording medium having a specified photopolymerization initiator
    • 具有特定光聚合引发剂的记录介质
    • US4992351A
    • 1991-02-12
    • US453171
    • 1989-12-26
    • Norio OhkumaMasanori TakenouchiMasashi MiyagawaTadashi Yamamoto
    • Norio OhkumaMasanori TakenouchiMasashi MiyagawaTadashi Yamamoto
    • C07C45/00C07C45/29C07C49/796C07C49/813C07C49/83C07C49/84G03F7/00G03F7/031
    • G03F7/031C07C45/00C07C45/29C07C49/796C07C49/813C07C49/83C07C49/84G03F7/002Y10S430/114Y10T428/2984Y10T428/2989
    • A recording medium has a recording layer comprising image-forming elements (A), (B) and (C) containing at least a compound having unsaturated double bond and a photopolymerization initiator. The photopolymerization initiator in the element (A) is a compound represented by the following formula (I): ##STR1## (wherein Ar.sub.1 and Ar.sub.2 are ech aromatic ring or heterocyclis ring). The photopolymerization initiator in the element (B) has an absorption maximum in a wavelength region of 360 to 430 nm. The photopolymerization initiator in the element (C) has an absorption maximum in a wavelength region of 430 nm or longer. The recording medium is suitably used as a transfer recording medium in a recording apparatus which includes heating means and light irradiating means to provide the recording layer with heat energy and photoenergy to change the transfer characteristic of the recording layer. The light irradiating means includes a phosphor of thallium-activated calcium phosphate or thallium-activated calcium zinc phosphate, a phosphor having a fluorescent peak wavelength of 360 to 430 nm and a phosphor having a fluorescent peak wavelength of 430 nm or longer, and a light source for exciting the phosphors.
    • 记录介质具有包含至少含有不饱和双键的化合物和光聚合引发剂的图像形成元件(A),(B)和(C)的记录层。 元素(A)中的光聚合引发剂是由下式(I)表示的化合物:其中Ar1和Ar2是芳族环或杂环基。 元件(B)中的光聚合引发剂在360〜430nm的波长范围内具有吸收最大值。 元件(C)中的光聚合引发剂在430nm以上的波长范围内具有吸收最大值。 记录介质适合用作包括加热装置和光照射装置的记录装置中的转印记录介质,以向记录层提供热能和光能以改变记录层的转印特性。 光照射装置包括铊激活的磷酸钙或铊激活的磷酸钙锌的荧光体,荧光峰值波长为360〜430nm的荧光体和荧光峰值波长为430nm以上的荧光体,以及光 来源激发荧光粉。