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    • 11. 发明申请
    • Ionization Method and Ionization Apparatus
    • 电离方法和电离装置
    • US20110042567A1
    • 2011-02-24
    • US12933058
    • 2008-03-17
    • Shinichi Yamaguchi
    • Shinichi Yamaguchi
    • H01J49/10
    • G01N27/62H01J49/044H01J49/165
    • A sample solution containing a sample component is sprayed onto an atmosphere at atmospheric approximately pressure while being applied with electric charge from the tip of a nozzle (1). A sample molecule is released as an ion in a process where charged minute liquid droplets collide with an atmospheric gas and are broken apart, and a solvent is vaporized from the respective liquid droplets. A reflectron (7) in the shape of a half-cut spheroid is arranged in such a manner that a second focal point (F2) is positioned in front of an ion-introducing portion (4) in the spray flow. A discharge electrode (8) is disposed in a position at a first focal point (F1) of the reflectron (7). When pulsed high voltage is applied to the discharge electrode (8), an electric discharge occurs, causing shock waves to be generated. The shock waves reflected on the reflectron (7) are converged on the second focal point (F2). Due to the converged shock waves, the vicinity of the second focal point (F2) rises to a high temperature, and a large pressure is also applied thereto. Therefore, vaporization of a solvent from the respective liquid droplets is further accelerated, allowing an ion to be easily generated. In addition, direct ionization can be expected. This makes it possible to improve ion generation efficiency.
    • 将包含样品组分的样品溶液在大气压大气压下喷雾,同时从喷嘴(1)的尖端施加电荷。 在带电的微小液滴与大气气体碰撞并分离开的过程中,样品分子作为离子释放,并且溶剂从各个液滴中汽化。 以半切球体形状的反射镜(7)以这样的方式布置,使得第二焦点(F2)位于喷射流中的离子引入部分(4)的前面。 放电电极(8)设置在反射器(7)的第一焦点(F1)的位置。 当向放电电极(8)施加脉冲高电压时,发生放电,产生冲击波。 在反射镜(7)上反射的冲击波会聚在第二焦点(F2)上。 由于会聚的冲击波,第二焦点(F2)的附近上升到高温,也施加大的压力。 因此,来自各液滴的溶剂的蒸发进一步加速,容易产生离子。 此外,可以预期直接电离。 这使得可以提高离子产生效率。
    • 13. 发明授权
    • Permanent magnet motor
    • 永磁电机
    • US07474027B2
    • 2009-01-06
    • US10542375
    • 2003-01-15
    • Tomohiro KikuchiTakashi MiyazakiHaruyuki KometaniShinichi Yamaguchi
    • Tomohiro KikuchiTakashi MiyazakiHaruyuki KometaniShinichi Yamaguchi
    • H02K1/27
    • H02K1/276
    • A permanent magnet motor 1 includes a rotor in which permanent magnets 31 are fixed. In the rotor 20, the outer peripheral shape of rotor magnetic-pole portions 24 is formed so that, in the circumferentially central portion, the distance from the center of the rotor iron core 21 is longest, and, at the inter-polar space, the distance from the center of the rotor iron core is shortest, and so that the outermost surface of the rotor magnetic-pole portions 24 forms an arc, and given that sheath thickness tc formed by the outer-side surface of each permanent magnet 31 and the outermost surface of each rotor magnetic-pole portion 24 is practically constant, and letting the thickness of the permanent magnets be the magnet thickness tm, then the relation tc/tm≦0.25 is satisfied.
    • 永磁电动机1包括固定永磁体31的转子。 在转子20中,转子磁极部24的外周形状形成为在圆周方向的中心部从转子铁芯21的中心的距离最长的位置,在极间空间处, 从转子铁芯的中心的距离最短,转子磁极部分24的最外表面形成一个电弧,并且给定由每个永磁体31的外侧表面形成的护套厚度tc和 每个转子磁极部24的最外表面几乎恒定,并且使永磁体的厚度为磁铁厚度tm,则满足关系式tc / tm <= 0.25。
    • 14. 发明授权
    • Time of flight mass spectrometer
    • 飞行时间质谱仪
    • US07355168B2
    • 2008-04-08
    • US11353112
    • 2006-02-14
    • Shinichi Yamaguchi
    • Shinichi Yamaguchi
    • H01J49/40
    • H01J49/282H01J49/408
    • The present invention provides a time of flight mass spectrometer having an ion optics forming a multi-turn track, which is capable of time-focusing the ions while allowing the multi-turn track to be configured in an unlimited and highly variable manner. In a specific form of the invention, a reflector 9 is provided on the flight path between the position where the ions leave the loop orbit P and the ion detector 10 located outside the loop orbit P, and the condition of the electric field generated by the reflector 9 is appropriately determined. Thus, even if the ions cannot be well time-focused by the ion optics 2 creating the sector-shaped electric fields 4 and 7, it is possible to compensate the time-focusing performance with the reflector 9 to achieve a good performance of time-focusing of the ion throughout the overall system wherein the ions leave the ion source 1 and finally reach the ion detector 10. Thereby, the ions can reach the ion detector 10 at approximately the same time even if the ions having the same mass number have different levels of energy at the moment they leave the ion source 1.
    • 本发明提供了具有形成多匝轨道的离子光学器件的飞行时间质谱仪,其能够对离子进行时间聚焦,同时允许多匝轨道以无限和高度可变的方式配置。 在本发明的具体形式中,在离开离开环路轨道P的位置和位于环路轨道P外部的离子检测器10之间的飞行路径上设置反射器9,以及由 反射器9被适当地确定。 因此,即使由离子光学器件2产生的扇形电场4和7不能很好地对离子进行时间聚焦,也可以利用反射体9补偿时间聚焦性能, 将离子聚焦在整个系统中,其中离子离开离子源1并最终到达离子检测器10。 因此,即使具有相同质量数的离子在离开离子源1的时刻具有不同的能量水平,离子也可以在大约相同的时间到达离子检测器10。
    • 15. 发明申请
    • Mass spectrometer
    • 质谱仪
    • US20050151076A1
    • 2005-07-14
    • US11032002
    • 2005-01-11
    • Shinichi YamaguchiMorio IshiharaMichisato ToyodaDaisuke Okumura
    • Shinichi YamaguchiMorio IshiharaMichisato ToyodaDaisuke Okumura
    • G01N27/62B01D59/44H01J49/06H01J49/16H01J49/26H01J49/40
    • H01J49/408
    • In the mass spectrometer of the present invention, a flight space is provided before the mass analyzer, and the flight space includes a loop orbit on which ions fly repeatedly. While ions fly on the loop orbit repeatedly, ion selecting electrodes placed on the loop orbit selects object ions having a specific mass to charge ratio in such a manner that, for a limited time period when the object ions are flying through the ion selecting electrodes, an appropriate voltage is applied to the ion selecting electrodes to make them continue to fly on the loop orbit, but otherwise to make or let other ions deflect from the loop orbit. If ions having various mass to charge ratios are introduced in the loop orbit almost at the same time, the object ions having the same mass to charge ratio continue to fly on the loop orbit in a band, but ions having mass to charge ratios different from that are separated from the object ions while flying on the loop orbit repeatedly. Even if the difference in the mass to charge ratio is small, the separation becomes large when the number of turns of the flight becomes large. After such a separation is adequately achieved, the ion selecting electrodes can select the object ions with high selectivity, or at high mass resolution. By adding dissociating means, fragment ions originated only from the selected object ions can be analyzed, which enables the identification and structural analysis of the sample at high accuracy.
    • 在本发明的质谱仪中,在质量分析器之前提供飞行空间,并且飞行空间包括离子重复飞行的环轨道。 当离子重复地在环路轨道上飞行时,放置在环路轨道上的离子选择电极以这样的方式选择具有特定质荷比的物体离子,使得在物体离子飞过离子选择电极的有限时间段内, 对离子选择电极施加适当的电压使它们继续在环轨道上飞行,而另外使其它离子从环轨道偏转。 如果几乎同时在环路轨道中引入具有各种质荷比的离子,则具有相同质荷比的物体离子在带内的环路轨道上继续飞行,但质量与电荷比的离子不同于 它们与物体离子分离,同时在环路轨道上重复飞行。 即使质荷比的差小,当飞行匝数变大时,分离也变大。 在这种分离充分实现之后,离子选择电极可以以高选择性或高质量分辨率选择目标离子。 通过添加解离手段,可以分析仅从所选择的对象离子产生的碎片离子,这使得能够高精度地鉴定和结构分析样品。
    • 16. 发明申请
    • Method of determining mass-to-charge ratio of ions and mass spectrometer using the methhod
    • 使用该方法确定离子和质谱仪的质荷比的方法
    • US20050077462A1
    • 2005-04-14
    • US10959433
    • 2004-10-07
    • Shinichi YamaguchiMorio IshiharaMichisato Toyoda
    • Shinichi YamaguchiMorio IshiharaMichisato Toyoda
    • G01N27/62H01J49/04H01J49/40
    • H01J49/408
    • In an analysis using a mass spectrometer having a loop orbit along which ions are made to fly a plurality of times, the present invention provides a method of determining the mass-to-charge ratio of an ion without limiting the range of the mass-to-charge ratio of the ions to be brought into the loop orbit while allowing the lapping of the orbiting ions. The measurement is carried out two or more times under different conditions (Tg=500[μs], 400[μs]) under which the number of turns of the ion concerned is different. Flight times are determined from the flight time spectrums obtained by at least two measurements. Though the numbers of turns themselves are unknown, it is possible to calculate possible mass-to-charge ratios for each flight time by incrementally setting the number of turns at plural values. The two sets of possible mass-to-charge ratios derived from the two flight time values (525[μs], 441[μs]) determined by the two measurements are compared with each other, and a value that is found in both measurement results is selected as the mass-to-charge ratio of the ion concerned. Thus, it is possible to determine the mass-to-charge ratio without limiting the range of the mass-to-charge ratio before the ions are brought into the loop orbit.
    • 在使用具有环形轨道的质谱仪进行分析时,离子通过该轨道多次飞行,本发明提供了一种确定离子的质荷比而不限制质量 - 进入环轨道的离子的充电比例,同时允许研磨轨道离子。 在不同条件下(Tg = 500 [mus],400 [mus])进行两次以上的测定,在该条件下,有关离子的匝数不同。 从通过至少两次测量获得的飞行时间谱确定飞行时间。 虽然转弯数量本身是未知的,但是可以通过逐个设定多个值的匝数来计算每个飞行时间的可能的质荷比。 将由两个测量确定的两个飞行时间值(525 [mus],441 [mus])得到的两组可能的质荷比相互比较,并在两个测量结果中找到 被选为相关离子的质荷比。 因此,可以在离子进入环轨道之前不限制质荷比的范围来确定质荷比。
    • 20. 发明申请
    • Hot Dip Al Coated Steel Sheet Excellent in Heat Black Discoloration Resistance and Method of Production of Same
    • 热浸镀铝钢板耐热黑色耐变色性及其制作方法
    • US20130095345A1
    • 2013-04-18
    • US13704786
    • 2010-06-21
    • Jun MakiShinichi Yamaguchi
    • Jun MakiShinichi Yamaguchi
    • C23C2/12
    • C23C2/12B32B15/012C21D8/0278C22C21/02C22C38/001C22C38/002C22C38/004C22C38/02C22C38/08C22C38/16C22C38/60C23C2/02C23C2/26Y10T428/12757
    • In conventional Al coated steel sheet, with the Al coating as it is, black discoloration cannot be prevented at 550° C. or more. For this reason, post annealing is used to form a barrier layer and suppress the formation of Fe—Al intermetallic compounds. However, with this method, there were the problems that the steel sheet became poor in workability and, further, high temperature, long time heating was required, so there were problems from the workability, economy, and environmental aspect. The present invention provides steel sheet which has a heat black discoloration resistance even at a 550° C. or more high temperature without additional annealing after Al coating and further is excellent in workability.That is, it is hot dip Al coated steel sheet which comprises steel sheet which contains predetermined ingredients of C, Si, P, S, Al, N, and O plus one or both of furthermoreNi: 0.01 to 0.1% or Cu: 0.01 to 0.1% and satisfies 10×C+Ni+Cu>0.03 and an Al coating layer which contains Si: 4 to 11% on the surface of that steel sheet and which have a thickness 5 μm or less Al—Fe—Si alloy layer in the interface between the Al coating layer and the steel sheet.
    • 在常规的Al涂层钢板中,如果使用Al涂层,则在550℃以上不能防止黑色变色。 因此,使用后退火形成阻挡层,抑制Fe-Al金属间化合物的形成。 然而,通过这种方法,存在钢板的加工性变差的问题,进而需要高温,长时间的加热,所以存在从可加工性,经济性,环境等方面出现的问题。 本发明提供即使在550℃或更高的温度下也具有耐热黑变色性的钢板,而在Al涂层之后没有额外的退火,并且加工性优异。 也就是说,是包含含有C,Si,P,S,Al,N和O的预定成分的钢板的热浸镀铝钢板,加上另外一种或两种Ni:0.01至0.1%或Cu:0.01 至0.1%,并且在该钢板的表面上满足10×C + Ni + Cu> 0.03和含有Si:4〜11%的Al涂层,其厚度为5μm以下的Al-Fe-Si合金层 在Al涂层和钢板之间的界面。