公开(公告)号：US6114693A

公开(公告)日：2000-09-05

申请号：US299638

申请日：1999-04-27

申请人： Atsumu Hirabayashi ,  Yukiko Hirabayashi ,  Minoru Sakairi ,  Yasuaki Takada ,  Takayuki Nabeshima ,  Hideaki Koizumi

发明人： Atsumu Hirabayashi ,  Yukiko Hirabayashi ,  Minoru Sakairi ,  Yasuaki Takada ,  Takayuki Nabeshima ,  Hideaki Koizumi

IPC分类号： G01N27/62 ,  G01N27/447 ,  G01N30/72 ,  H01J49/04 ,  H01J49/10

CPC分类号： G01N30/7266 ,  H01J49/0468 ,  H01J49/167

摘要： A mass spectrometer comprising a passage through which a sample solution flows, the passage including a capillary having an open tip, the sample solution flowing through the capillary out of the open tip of the capillary, a gas passage which forms a gas flow around the open tip of the capillary, the gas flow spraying the sample solution flowing out of the open tip of the capillary, a first electrode which contacts the sample solution flowing in the passage and applies an electric potential to the sample solution flowing in the passage, a second electrode disposed around the capillary near the open tip of the capillary, the second electrode being downstream from the first electrode with respect to a direction in which the sample solution flows in the passage, there being no gap extending downstream from the open tip of the capillary to the second electrode in a direction in which the sample solution flows out of the open tip of the capillary, the second electrode being electrically isolated from the sample solution flowing in the capillary and applying an electric field to the sample solution flowing in the capillary, and an analyzer which analyzes a mass of gaseous ions formed from the sample solution sprayed by the gas flow.

摘要翻译： 一种质谱仪，包括样品溶液流过的通道，所述通道包括具有开口尖端的毛细管，所述样品溶液从毛细管的开口尖端流过毛细管，气体通道围绕开口形成气流 毛细管的尖端，气流喷射从毛细管的开口尖端流出的样品溶液，第一电极，其接触在通道中流动的样品溶液，并向在通道中流动的样品溶液施加电位，第二电极 设置在毛细管附近的毛细管周围的电极，第二电极相对于样品溶液在通道中流动的方向从第一电极下游，在毛细管的开口尖端的下游没有间隙 在样品溶液从毛细管的开口尖端流出的方向到第二电极，第二电极是电隔离的 从在毛细管中流动的样品溶液流出并向在毛细管中流动的样品溶液施加电场，以及分析器，其分析由气流喷射的样品溶液形成的气态离子的质量。

公开(公告)号：US6075243A

公开(公告)日：2000-06-13

申请号：US827184

申请日：1997-03-27

申请人： Takayuki Nabeshima ,  Minoru Sakairi ,  Yasuaki Takada ,  Yukiko Hirabayashi ,  Hideaki Koizumi

发明人： Takayuki Nabeshima ,  Minoru Sakairi ,  Yasuaki Takada ,  Yukiko Hirabayashi ,  Hideaki Koizumi

IPC分类号： G01N27/62 ,  G01N30/72 ,  H01J49/02 ,  H01J49/26 ,  H01J49/42 ,  B01D59/44 ,  H01J49/00

CPC分类号： H01J49/424 ,  H01J49/044 ,  H01J49/4255

摘要： A mass spectrometer in which, in order to reduce noise due to other particles (large charge droplets, neutral particles, photons, or the like), the orbit of ions and the orbit of other particles are separated from each other in the inside of a mass analysis region so as to make it possible to prevent the other particles from reaching an ion detection region without using any deflector.

摘要翻译： 一种质谱仪，其中为了减少由于其它颗粒（大电荷液滴，中性粒子，光子等）引起的噪声，离子的轨道和其它颗粒的轨道在一个 质量分析区域，使得可以防止其他颗粒在不使用任何偏转器的情况下到达离子检测区域。

公开(公告)号：US6060706A

公开(公告)日：2000-05-09

申请号：US23461

申请日：1998-02-13

申请人： Takayuki Nabeshima ,  Yasuaki Takada ,  Minoru Sakairi

发明人： Takayuki Nabeshima ,  Yasuaki Takada ,  Minoru Sakairi

IPC分类号： H01J49/06 ,  H01J49/42 ,  B01D59/44 ,  H01J49/00

CPC分类号： H01J49/424 ,  H01J49/061

摘要： In an analytical apparatus, an ion trap mass spectrometer and a detector for detecting ions separated in the mass spectrometer are installed in different chambers. Ions generated from an ion source and passing through two differential pumping chambers into a third chamber containing the detector are deflected from their initial trajectory into the mass spectrometer in a fourth chamber for separation. In a first embodiment, the separated ions are returned along the same path into the detector in the third chamber. According to a second embodiment, the detector is located along the path of ion travel beyond the mass spectrometer, and the separated ions pass through a second orifice in the mass spectrometer and into the detector in the third chamber.

摘要翻译： 在分析装置中，离子阱质谱仪和用于检测在质谱仪中分离的离子的检测器安装在不同的室中。 从离子源产生并且通过两个差分泵送室的包含检测器的第三室中的离子从第一个进入第四室的初始轨迹偏转到质谱仪中进行分离。 在第一实施例中，分离的离子沿相同的路径返回到第三室中的检测器中。 根据第二实施例，检测器沿着离子行进的路径位于质谱仪之外，并且分离的离子通过质谱仪中的第二孔并进入第三室中的检测器。