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    • 31. 发明授权
    • Droplet ejecting device
    • 滴液喷射装置
    • US5434608A
    • 1995-07-18
    • US947395
    • 1992-09-21
    • Hiroto SugaharaMasahiko SuzukiYoshikazu TakahashiTakahiro Kanegae
    • Hiroto SugaharaMasahiko SuzukiYoshikazu TakahashiTakahiro Kanegae
    • B41J2/045B41J2/055B41J2/14
    • B41J2/14209B41J2002/14379B41J2002/14387
    • A droplet ejecting device comprises a piezoelectric transducer consisting of first and second piezoelectric transducers polarized in the directions opposite to each other, the first and second piezoelectric transducers bonded to each other and having electrodes disposed at the inner and outer surfaces thereof. A member is fitted to the piezoelectric transducer to define ink chambers, the member having an orifice associated with each ink chamber. An injection controller applies an electric field to the electrode(s) associated with the predetermined ink chamber(s) so as to eject an ink droplet(s) from the ink chamber(s) through the orifice(s) in a given position. As a result, the invention provides a droplet ejecting device where an ink ejecting cycle of the array as a whole is short, the print speed is high, and electrodes can be easily manufactured.
    • 液滴喷射装置包括由彼此相反方向偏振的第一和第二压电换能器组成的压电换能器,第一和第二压电换能器彼此结合并且具有设置在其内表面和外表面的电极。 将一个构件安装到压电换能器以限定墨水室,该构件具有与每个墨水室相关联的孔口。 注射控制器将电场施加到与预定墨室相关联的电极,以便在给定位置通过孔口从墨水室喷射墨滴。 结果,本发明提供了一种液滴喷射装置,其中阵列的喷墨循环整体较短,打印速度高,并且可以容易地制造电极。
    • 32. 发明授权
    • Piezoelectric ink jet printer using laminated piezoelectric actuator
    • 使用层压压电致动器的压电式喷墨打印机
    • US5402159A
    • 1995-03-28
    • US886332
    • 1992-05-20
    • Yoshikazu TakahashiMasahiko Suzuki
    • Yoshikazu TakahashiMasahiko Suzuki
    • B41J2/14B41J2/16B41J2/045
    • B41J2/14209B41J2/0452B41J2/04573B41J2/04581B41J2/04588B41J2002/14225B41J2002/14387
    • A head for a piezoelectric ink jet printer includes a plurality of ejector devices for ejecting ink droplets. Each ejector device has an ink channel body defining an ink channel. The head further includes a piezoelectric actuator secured to the ink channel for actuating the ejector devices. The actuator is made up of a plurality of piezoelectric ceramic layers, a plurality of internal positive electrode layers, and a plurality of internal negative electrode layers, which are laminated in such a manner that each piezoelectric ceramic layer is sandwitched between each internal positive electrode layer and each internal negative electrode layer. At least one of the internal positive electrode layers and the internal negative electrode layers are divided into a plurality of segments so as to be provided in association with respective ones of the plurality of ejector devices. To provide a head which is simple in construction and easy to manufacture, yet capable of printing high resolution image with reduced power source voltage, the ink channel is configured to have a width larger than widths of the corresponding segmental electrode layers. The piezoelectric actuator may further include a deformation restraining member for restraining deformation of the piezoelectric actuator, whereby a low voltage driving of the head can be accomplished.
    • 用于压电喷墨打印机的头包括用于喷射墨滴的多个喷射器装置。 每个喷射器装置具有限定油墨通道的油墨通道体。 头部还包括固定到墨水通道用于致动喷射器装置的压电致动器。 致动器由多个压电陶瓷层,多个内部正电极层和多个内部负极层组成,这些层压体以使每个压电陶瓷层在每个内部正极层 和每个内部负极层。 内部正极层和内部负极层中的至少一个被分成多个区段,以便与多个喷射器装置中的相应的喷射器装置相关联地设置。 为了提供一种结构简单且易于制造的头部,能够以降低的电源电压打印高分辨率图像,墨通道被配置为具有大于相应的节段电极层的宽度的宽度。 压电致动器还可以包括用于抑制压电致动器的变形的变形抑制构件,由此可以实现头部的低电压驱动。
    • 35. 发明授权
    • Piezoelectric ink jet print head including common laminar piezoelectric
element for two or more ink jetting devices
    • 压电式喷墨打印头包括用于两个或多个喷墨装置的普通层压压电元件
    • US5086308A
    • 1992-02-04
    • US552537
    • 1990-07-16
    • Yoshikazu TakahashiMasahiko SuzukiMakoto Takeuchi
    • Yoshikazu TakahashiMasahiko SuzukiMakoto Takeuchi
    • B41J2/045B41J2/055B41J2/14
    • B41J2/14209B41J2002/14225B41J2202/03
    • A piezoelectric ink jet print head including a common laminar piezoelectric element disposed for activating two or mor ink jetting devices each of which has an ink chamber for ejecting a droplet of ink. The laminar piezoelectric element consists of a plurality of piezoelectric ceramic layers and a plurality of electrode layers which are alternately laminated on each other. Each piezoelectric ceramic layer is polarized in a polarizing direction perpendicular to the direction of lamination of the piezoelectric ceramic and electrode layers. A voltage is applied selectively to the electrode layers for displacing at least one of the piezoelectric ceramic layers in the polarizing direction, so as to change the volume of the ink chamber of a selected one of the ink jetting devices. The electrode layers is formed of a thermistor which has a Curie point lower than that of the piezoelectric ceramic layers and which has a positive temperature coefficient of resistance so that the thermistor is an electrically insulating material at a temperature above the Curie point thereof.
    • 一种压电喷墨打印头,包括设置成用于启动两个或多个喷墨装置的公共层压压电元件,每个喷墨装置具有用于喷射墨滴的墨室。 层状压电元件由多个压电陶瓷层和彼此交替层叠的多个电极层组成。 每个压电陶瓷层在与压电陶瓷和电极层的叠层方向垂直的偏振方向上极化。 选择性地向电极层施加电压,以使偏压方向上的至少一个压电陶瓷层移位,从而改变所选择的一个喷墨装置的墨室的体积。 电极层由具有低于压电陶瓷层的居里点的热敏电阻形成,并且具有正的温度系数电阻,使得热敏电阻在高于居里点的温度下是电绝缘材料。
    • 37. 发明授权
    • Process for forming a synthetic resin film on a substrate and apparatus
therefor
    • 在基板上形成合成树脂膜的方法及其设备
    • US4624867A
    • 1986-11-25
    • US714291
    • 1985-03-21
    • Masayuki IijimaYoshikazu Takahashi
    • Masayuki IijimaYoshikazu Takahashi
    • B05D7/24H01L21/312C23C16/00
    • B05D1/60H01L21/312
    • A process for forming a covering film of a synthetic resin on a substrate comprising, under vacuum conditions, evaporating at least two monomers to cause vapors of said at least two monomers to adhere to the substrate, and polymerizing said at least two monomers on said substrate.An apparatus for carrying out the process includes a vacuum chamber and provided therein, means for holding and evaporating at least two raw material monomers for the synthetic resin, means for holding and heating the substrate and a shutter for separating the means for holding the monomers and the means for holding the substrate. The means for holding and heating the monomers can be provided outside the vacuum chamber and a window can be provided in a wall of the chamber to allow the substrate to be irradiated from a light source located outside the chamber.
    • 一种在基材上形成合成树脂的覆盖膜的方法,包括在真空条件下蒸发至少两种单体以使所述至少两种单体的蒸气粘附到基材上,并将所述至少两种单体聚合在所述基材上 。 用于执行该方法的装置包括:真空室,其中设置有用于保持和蒸发用于合成树脂的至少两种原料单体的装置,用于保持和加热基材的装置和用于分离用于保持单体的装置的活门和 用于保持基板的装置。 用于保持和加热单体的装置可以设置在真空室的外部,并且可以在室的壁中设置窗口,以允许基板从位于室外部的光源照射。
    • 38. 发明授权
    • Method for homo- or co-polymerization of .alpha.-olefin
    • α-烯烃均聚或共聚方法
    • US4463145A
    • 1984-07-31
    • US338109
    • 1982-01-08
    • Yoichi SunadaYoshikazu TakahashiMasaru Takitani
    • Yoichi SunadaYoshikazu TakahashiMasaru Takitani
    • C08F4/00C01G23/02C08F4/60C08F4/64C08F10/00C08F10/06
    • C08F10/00Y10S526/903Y10S526/908Y10S526/909
    • A titanium trichloride catalytic component and a method for homo- or co-polymerization of an .alpha.-olefin. In separating a titanium trichloride catalytic component from a solution prepared by dissolving titanium tetrachloride, an organic ether compound and an organo-aluminum compound in a solvent, the above stated solvent is a mixed solvent prepared by allowing 20.about.70% by volume of an aromatic hydrocarbon halide to be concomitant with a saturated aliphatic hydrocarbon and/or an alicyclic hydrocarbon in the presence of an olefin; the organo-aluminum compound, the titanium tetrachloride and the organic ether compound are added to the mixed solvent at a solvent temperature not exceeding 55.degree. C.; then, the solvent temperature is raised to a temperature between 45.degree. and 150.degree. C. over a period between 10 minutes and 24 hours; and, during this temperature raising process, an organic ether compound and/or titanium tetrachloride is further added to have a titanium trichloride catalytic component measuring 10 to 500.mu. in average particle diameter separated from the solvent. The titanium trichloride catalytic compound thus obtained is used in the homo- or co-polymerization of .alpha.-olefins. The invention aims at improvement in adjustment of the particle size, uniformity of the particle diameter and the strength of the titanium trichloride catalytic component and eventually at improvement in the particle shape and uniformity thereof of the polymer to be obtained by the use of the catalytic component.
    • 40. 发明授权
    • Titanium trichloride catalytic component and method for homo- or
co-polymerization of .alpha.-olefin
    • 三氯化钛催化组分和α-烯烃均聚或共聚方法
    • US4315090A
    • 1982-02-09
    • US84119
    • 1979-10-12
    • Yoshikazu TakahashiYoichi SunadaMasaru Takitani
    • Yoshikazu TakahashiYoichi SunadaMasaru Takitani
    • C08F4/00C01G23/02C08F4/60C08F4/64C08F10/00C08F10/06
    • C08F10/00Y10S526/908Y10S526/909
    • A titanium trichloride catalytic component obtained by separating it out of a solution consisting of titanium tetrachloride, an organic ether compound and an organo-aluminum compound dissolved in a solvent. The solvent is a mixture consisting of a saturated aliphatic hydrocarbon and/or an alicyclic hydrocarbon with 20 to 70% by volume of a concomitant aromatic hydrocarbon halide included therein. The organo-aluminum compound, the titanium tetrachloride and the organic ether compound is added to this mixed solvent at a solvent temperature not exceeding 55.degree. C. Following this, the solvent temperature is raised up to a value between 45.degree. and 150.degree. C. over a period of 10 minutes to 24 hours with an organic ether compound and/or titanium tetrachloride further added during this temperature raising process to obtain thereby a titanium trichloride catalytic component having average particle diameter between 10 and 1000.mu.. Then homo- or co-polymerization of .alpha.-olefin is carried out by using a catalyst system comprising this catalytic component and an organo-aluminum compound.
    • 通过将由四氯化钛,有机醚化合物和溶解在溶剂中的有机铝化合物组成的溶液中分离得到的三氯化钛催化组分。 溶剂是由饱和脂肪烃和/或其中包含20至70体积%的伴随的芳族烃卤化物的脂环族烃组成的混合物。 在不超过55℃的溶剂温度下将有机铝化合物,四氯化钛和有机醚化合物加入到该混合溶剂中。然后将溶剂温度升高至45℃至150℃。 在该升温过程中进一步添加有机醚化合物和/或四氯化钛,在10分钟〜24小时的时间内,得到平均粒径为10〜1000μm的三氯化钛催化剂成分。 然后通过使用包含该催化组分和有机铝化合物的催化剂体系来进行α-烯烃的均聚或共聚。