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    • 32. 发明授权
    • Electrostatic inkjet head having spaced electrodes
    • 具有间隔电极的静电喷墨头
    • US06322198B1
    • 2001-11-27
    • US09286637
    • 1999-04-02
    • Kusunoki HigashinoHisashi TakataYasuhiro SandoYasuhisa Fujii
    • Kusunoki HigashinoHisashi TakataYasuhiro SandoYasuhisa Fujii
    • B41J204
    • B41J2/14314
    • An electrostatic inkjet head has first and second electrodes. The first electrode is supported on a substrate and the second electrode is on a diaphragm so that a gap is formed between the first and second electrodes. A drive circuit is connected to the first and second electrodes to apply a voltage or pulse between the electrodes. When a voltage is applied between the electrodes, an electrostatic attraction force is generated between the electrodes. The attraction force displaces the diaphragm toward the substrate. This displacement of the diaphragm is used for the ejection of ink. Also, when the voltage is turned off, opposing central portions of the first and second electrodes define a gap that is greater than that defined by opposing end portions of the first and second electrodes. On the other hand, when the voltage is turned on, the opposing central portions of the first and second electrodes define another gap that is substantially equal to that defined by the opposing end portions of the first and second electrodes.
    • 静电喷墨头具有第一和第二电极。 第一电极被支撑在基板上,并且第二电极在隔膜上,使得在第一和第二电极之间形成间隙。 驱动电路连接到第一和第二电极以在电极之间施加电压或脉冲。 当在电极之间施加电压时,在电极之间产生静电吸引力。 吸引力将隔膜移向基板。 隔膜的这种位移用于喷墨。 此外,当电压关闭时,第一和第二电极的相对的中心部分限定了大于由第一和第二电极的相对端部限定的间隙的间隙。 另一方面,当电压接通时,第一和第二电极的相对的中心部分限定了与由第一和第二电极的相对端部限定的间隙基本相等的另一间隙。
    • 35. 发明授权
    • Boundary acoustic wave device
    • 边界声波装置
    • US07898145B2
    • 2011-03-01
    • US12409702
    • 2009-03-24
    • Masakazu MimuraYasuhisa FujiiMasaru YataNorihiko Nakahashi
    • Masakazu MimuraYasuhisa FujiiMasaru YataNorihiko Nakahashi
    • H03H9/25
    • H03H9/0222H03H9/02559H03H9/14541
    • A boundary acoustic wave device includes a piezoelectric substance made of LiNbO3 having a surface obtained by rotating a Y axis by about 15°±10° as a primary surface, a dielectric substance which is made of a silicon oxide and which is laminated to the piezoelectric substance, and an electrode structure disposed at a boundary between the piezoelectric substance and the dielectric substance and which includes an IDT arranged to utilize a boundary acoustic wave propagating along the boundary. When the density of the IDT, the thickness thereof, the wavelength deter-mined by the period of electrode fingers of the IDT, and the duty ratio thereof are represented by ρ (kg/m3), H (μm), λ (μm), and x, respectively, x and the product of H/λ and ρ are set in a range that satisfies the following formula (1): (H/λ)×ρ>70.7924(x+0.055)(−2.884)+797.09  Formula (1).
    • 一种弹性边界波装置包括由具有通过使Y轴旋转大约15°±10°获得的表面的LiNbO 3制成的压电物质作为主表面,由氧化硅制成并且被压电 物质,以及设置在压电体和电介质之间的边界处的电极结构,并且包括设置成利用沿边界传播的边界声波的IDT。 当IDT的密度,其厚度,由IDT的电极指的周期决定的波长及其占空比由&rgr; (kg / m3),H(μm),λ(μm)和x分别为x和H /λ与&rgr; (H /λ)×70.7924(x + 0.055)( - 2.884)+797.09式(1)的范围设定为满足下式(1)的范围。
    • 36. 发明授权
    • Boundary acoustic wave filter
    • 边界声波滤波器
    • US07808344B2
    • 2010-10-05
    • US12354162
    • 2009-01-15
    • Takao MukaiMasaru YataYasuhisa Fujii
    • Takao MukaiMasaru YataYasuhisa Fujii
    • H03H9/64
    • H03H9/6433H03H9/0028H03H9/0222H03H9/02559H03H9/02574H03H9/14594H03H9/6469
    • A longitudinally coupled resonator boundary acoustic wave filter device includes a piezoelectric substrate made of LiNbO3 having a principal plane obtained by rotating the Y-axis through about 15 degrees +−10 degrees, a dielectric substrate made of silicon oxide and laminated on the piezoelectric substrate, and an electrode structure arranged at a boundary between the piezoelectric substrate and the dielectric substrate. The electrode structure includes a plurality of IDTs arranged in a direction in which a boundary acoustic wave propagates, and reflectors, wherein where in each of the plurality of IDTs, the overlap width of electrode fingers is W and the interval of electrode fingers is P, W/P is in a range of about 20 to about 45.
    • 一种纵向耦合的谐振器边界声波滤波器装置,包括由具有通过使Y轴旋转约15度±10度而获得的主平面的LiNbO 3制成的压电基板,由氧化硅制成并层压在压电基板上的电介质基板, 以及布置在所述压电基板和所述电介质基板之间的边界处的电极结构。 电极结构包括沿声弹性波传播方向布置的多个IDT和反射器,其中在多个IDT中的每一个中,电极指的重叠宽度为W且电极指的间隔为P, W / P在约20至约45的范围内。
    • 39. 发明授权
    • Mixing method, mixing structure, micromixer and microchip having the mixing structure
    • 混合方法,混合结构,具有混合结构的微混合器和微芯片
    • US06851846B2
    • 2005-02-08
    • US10171920
    • 2002-06-14
    • Yasuhisa FujiiShigeo YamashitaYasuhiro SandoKoji YamamotoShunichi Hayamizu
    • Yasuhisa FujiiShigeo YamashitaYasuhiro SandoKoji YamamotoShunichi Hayamizu
    • G01N37/00B01F3/08B01F5/00B01F5/04B01F13/00B01L3/00B01F15/02B81B7/04
    • B01F13/0062B01F5/0453B01F5/0458B01F13/0066B01F13/0093B01F2215/0431B01L3/5027Y10T137/87652
    • Disclosed herewith is a microchip having a micromixer therein. The mixromixer employs a mixing or extracting structure having (1) a first flow pass provided at a first level of the microchip; (2) a second flow pass provided at a second level of the microchip, which is different from the first level; (3) a third flow pass having a plurality of sub flow passes separately layered at the first level and each having a first end and second end thereof, each sub flow pass being connected to one of the first and second flow passes at the first end thereof; and (4) a fourth flow pass, provided at the first level, connected to the second ends of the sub flow passes so that, at least connecting portions between the fourth flow pass and the sub flow passes of the third flow pass, an extending direction of the fourth flow pass is substantially identical to those of the sub flow passes. By allowing the first liquid to flow from the first flow pass to the fourth flow pass through the third flow pass while the second liquid to flow from the second flow pass to the fourth flow pass through the third flow pass, the first and second liquids are mixed at the fourth flow pass.
    • 本文公开的是其中具有微混合器的微芯片。 混合混合器采用混合或提取结构,其具有(1)设置在微芯片的第一级的第一流动通道; (2)设置在不同于第一级的微芯片的第二级的第二流程; (3)第三流程,其具有在第一水平处分开层叠的多个子流通道,每个具有第一端和第二端,每个子流通道在第一端连接到第一和第二流动通道之一 的; 和(4)设置在第一级的第四流道,连接到副流通道的第二端,使得至少第四流通和次流之间的连接部分通过第三流道,延伸 第四流程的方向基本上与副流程相同。 通过使第一液体从第一流通流动到第三流动通道,而第二液体从第二流量流动到第四流动通过第三流动通道,第一和第二液体是 在第四个流程中混合。