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1. 发明授权

US5308977A Plasma mass spectrometer 失效
标题翻译：等离子体质谱仪
公开(公告)号：US5308977A
公开(公告)日：1994-05-03
申请号：US25139
申请日：1993-03-02
申请人： Konosuke Oishi , Masataka Koga , Hiromi Yamashita , Takashi Iino , Toyoharu Okumoto , Tsuyoshi Nishitarumizu
发明人： Konosuke Oishi , Masataka Koga , Hiromi Yamashita , Takashi Iino , Toyoharu Okumoto , Tsuyoshi Nishitarumizu
IPC分类号： G01N27/62 , H01J49/10 , H01J49/26 , H01J49/36
CPC分类号： H01J49/105
摘要： A plasma mass spectrometer generates an aerosol of a sample, by dissolving the sample in a liquid solvent, and spraying the liquid into a spray chamber via a nebulizer. The solvent condenses in the spray chamber and an aerosol of the sample then passes through a supply tube to a plasma torch. Microwave power from an output on the plasma torch converts the aerosol to a plasma, and the plasma passes to an analyzer. If microwave radiation reached the spray chamber, it would cause heating of the solvent which may evaporate it so that the solvent would be present in the plasma. Therefore, there is a wall between the spray chamber and the plasma torch and microwave output which blocks such microwave radiation.
摘要翻译：等离子体质谱仪通过将样品溶解在液体溶剂中并通过喷雾器将液体喷射到喷雾室中而产生样品气溶胶。溶剂在喷雾室中冷凝，然后样品的气溶胶通过供应管到等离子体焰炬。来自等离子体焰炬上的输出的微波功率将气溶胶转换成等离子体，并且等离子体传递到分析器。如果微波辐射到达喷雾室，则会引起溶剂的加热，这可能使其蒸发，使得溶剂将存在于等离子体中。因此，喷雾室和等离子体焰炬和微波输出之间存在阻挡这种微波辐射的壁。

2. 发明授权

US5252827A Method and apparatus for analysis of gases using plasma 失效
标题翻译：使用等离子体分析气体的方法和装置
公开(公告)号：US5252827A
公开(公告)日：1993-10-12
申请号：US753633
申请日：1991-08-30
申请人： Masataka Koga , Toyoharu Okumoto , Hiromi Yamashita , Katuo Kawachi , Yukio Okamoto
发明人： Masataka Koga , Toyoharu Okumoto , Hiromi Yamashita , Katuo Kawachi , Yukio Okamoto
IPC分类号： G01N27/68 , G01N21/73 , H01J49/04 , B01D59/44 , H01J49/00
CPC分类号： H01J49/0422 , H01J49/105
摘要： In the analysis of a specimen gas for at least one impurity, the specimen is fed to a microwave-induced plasma and the plasma is analyzed for the impurity. The plasma is formed by gases fed to it via an inner tube and an outer tube around said inner tube. The specimen is fed in undiluted form via the inner tube and a second gas which may be a standard gas is fed via the outer tube. The specimen gas and the second gas have compositions which are the same as to at least 75% by volume, e.g. are both air. A variety of analysis processes is made available.

3. 发明授权

US5202562A High sensitive element analyzing method and apparatus of the same 失效
标题翻译：高灵敏度元素分析方法及装置
公开(公告)号：US5202562A
公开(公告)日：1993-04-13
申请号：US724179
申请日：1991-07-01
申请人： Masataka Koga , Toyoharu Okumoto , Masatoshi Kitagawa , Masamichi Tsukada , Yukio Okamoto
发明人： Masataka Koga , Toyoharu Okumoto , Masatoshi Kitagawa , Masamichi Tsukada , Yukio Okamoto
IPC分类号： G01N27/62 , H01J37/244 , H01J49/04 , H01J49/26
CPC分类号： H01J49/04
摘要： A standard containing the same elements as a sample is prepared. Concentrations of the elements of the standard are known previously. When signal intensities of an element of the standard solution and the sample exceed an upper limit of a pulse counter of an element analyzing apparatus, a transmitting rate of a passage, through which ionized elements of the standard and the sample pass, is controlled to be less than the ordinal transmitting rate of the passage in synchronism to the passing time of the elements. The concentrations of the elements of the sample is calculated based on output signals of the pulse counter concerning the elements of the standard and the sample and known concentration of the standard.
摘要翻译：制备含有与样品相同元素的标准品。标准要素的浓度先前已知。当标准溶液和样品的元素的信号强度超过元素分析装置的脉冲计数器的上限时，将标准品和样品通过的通道的透射率控制为小于通道的顺序传输速率与元件的通过时间同步。基于脉冲计数器的输出信号计算样品的元素浓度，该脉冲计数器与标准品和样品的元素以及标准品的已知浓度相关。

4. 发明授权

US5122752A Method of and apparatus for analyzing granular materials 失效
标题翻译：颗粒材料分析方法和设备
公开(公告)号：US5122752A
公开(公告)日：1992-06-16
申请号：US575422
申请日：1990-08-30
申请人： Masataka Koga , Tsuyoshi Nishitarumizu , Tetsuya Matsui , Kenji Yokose , Masaharu Sakagami , Takehiko Kitamori
发明人： Masataka Koga , Tsuyoshi Nishitarumizu , Tetsuya Matsui , Kenji Yokose , Masaharu Sakagami , Takehiko Kitamori
IPC分类号： G01N21/62 , G01N15/06 , G01N15/10 , G01N27/02 , G01N27/62 , G01N27/64 , G01N33/18
CPC分类号： G01N15/0656 , G01N27/628 , G01N33/18
摘要： A method of and an apparatus for analyzing a granular material contained in a sample of a medium such as water produced by an ultra-pure water producing apparatus includes the steps of adding energy to granular materials contained in a sample which is mixed with the medium, wherein the energy is set to be lower than the breakdown threshold of the medium and to be higher than the breakdown threshold of the granular materials, detecting ions which are generated with the breakdown of the granular materials by using a pair of positive and negative electrodes; and analyzing characteristics of the granular materials based on the ions.
摘要翻译：一种用于分析由超纯水生产设备产生的诸如水的介质样品中所含的颗粒状物质的方法和装置，包括以下步骤：向包含在与介质混合的样品中的颗粒材料加入能量，其中所述能量被设定为低于所述介质的击穿阈值并且高于所述粒状材料的击穿阈值，检测通过使用一对正极和负极的所述粒状材料的击穿而产生的离子; 并基于离子分析粒状材料的特性。

5. 发明授权

US5164592A Method and apparatus for mass spectrometric analysis 失效
标题翻译：用于质谱分析的方法和装置
公开(公告)号：US5164592A
公开(公告)日：1992-11-17
申请号：US581908
申请日：1990-09-13
申请人： Takehiko Kitamori , Masataka Koga , Tsuyoshi Nishitarumizu , Tetsuya Matsui , Kenji Yokose , Masaharu Sakagami
发明人： Takehiko Kitamori , Masataka Koga , Tsuyoshi Nishitarumizu , Tetsuya Matsui , Kenji Yokose , Masaharu Sakagami
IPC分类号： G01N27/62 , H01J49/04 , H01J49/10 , H01J49/16 , H01J49/26
CPC分类号： H01J49/164
摘要： The power density of a pulsed laser beam for irradiating a sample is adjusted to break down the sample into the form of a plasma. After the momentary breakdown of the sample into the form of a plasma, ions are generated having a high charge. Then, after a certain time elapses, the ions having a high charge recombine with the electrons in the plasma to provide monovalent or low valent ions. These low valent ions are taken out of the plasma and introduced to a mass spectrometric apparatus.

6. 发明授权

US5148021A Mass spectrometer using plasma ion source 失效
标题翻译：使用等离子体源的质谱仪
公开(公告)号：US5148021A
公开(公告)日：1992-09-15
申请号：US630554
申请日：1990-12-20
申请人： Yukio Okamoto , Satoshi Shimura , Konosuke Oishi , Masataka Koga , Makoto Yasuda , Takahashi Iino
发明人： Yukio Okamoto , Satoshi Shimura , Konosuke Oishi , Masataka Koga , Makoto Yasuda , Takahashi Iino
IPC分类号： G01N27/62 , H01J49/06 , H01J49/12 , H01J49/26
CPC分类号： H01J49/06
摘要： A mass spectrometer using a plasma ion source for analyzing an ultra-trace element includes a plasma generation system for generating a plasma including the composition of a sample, an ion beam formation system for extracting ions in the form of a beam from the plasma generating the ions, a mass spectrometry system for performing mass spectrometry of the ion beamn, and an ion detection system for detecting the ions subjected to the mass spectrometry, in which a lens system made up of a cylindrical first electrode, a cylindrical second electrode with a photon stopper disposed on the central axis thereof, and a cylindrical third electrode is further provided between the ion beam formation system and the mass spectrometry system. By the provision of the lens system, the ions generated in the plasma are transported more efficiently to the side of the mass spectrometry system and by the provision of the photon stopper in the above described position, it is achieved, with a simpler structure, to prevent photons from entering the ion detection system.
摘要翻译：使用等离子体离子源分析超微量元素的质谱仪包括：等离子体产生系统，用于产生包含样品组成的等离子体;离子束形成系统，用于从等离子体中提取离子的形式，离子，用于进行离子束的质谱分析的质谱系统和用于检测进行质谱分析的离子的离子检测系统，其中由圆柱形第一电极构成的透镜系统，具有光子的圆柱形第二电极止动件设置在其中心轴上，并且在离子束形成系统和质谱系统之间还设置有圆柱形的第三电极。通过设置透镜系统，在等离子体中产生的离子更有效地传输到质谱系统的侧面，并且通过在上述位置提供光子停止器，以更简单的结构实现防止光子进入离子检测系统。

7. 发明授权

US4198589A Spectral source, particularly for atomic absorption spectrometry 失效
标题翻译：光谱源，特别是原子吸收光谱
公开(公告)号：US4198589A
公开(公告)日：1980-04-15
申请号：US871807
申请日：1978-01-24
申请人： Shinji Mayama , Masataka Koga , Yoji Arai , Konosuke Oishi
发明人： Shinji Mayama , Masataka Koga , Yoji Arai , Konosuke Oishi
IPC分类号： H01J61/66 , H05B41/24
CPC分类号： H01J61/66
摘要： A spectral source comprises a lamp containing an anode and a cathode in an inert gas. The anode and cathode are different in shape and connected to a high-frequency power source to produce a high-frequency discharge between the anode and cathode to cause both sputtering of the cathode and excitation of a radiation having the spectrum according to the material sputtered from the cathode. The application of solely high-frequency power prevents adherence of the sputtered material to the interior walls of the lamp bulb thereby allowing a reduction of the dimensions of the lamp bulb, prolongating the life time of the lamp and increasing the stability and intensity of the radiation. A magnetic field may be applied to the radiation for Zeeman modulation. Due to the relatively small dimensions of the lamp bulb, relatively small and inexpensive magnets may be used.
摘要翻译：光谱源包括在惰性气体中含有阳极和阴极的灯。阳极和阴极的形状不同，并连接到高频电源，以在阳极和阴极之间产生高频放电，使得阴极溅射和具有根据溅射的材料的光谱的辐射阴极。单独使用高频功率可防止溅射材料对灯泡内壁的粘附，从而可以减小灯泡的尺寸，延长灯泡的使用寿命并增加辐射的稳定性和强度。可以将磁场施加到用于塞曼调制的辐射。由于灯泡的尺寸相对较小，所以可以使用相对较小和便宜的磁体。

8. 发明授权

US4948250A Atomic absorption spectrophotometer 失效
标题翻译：原子吸收分光光度计
公开(公告)号：US4948250A
公开(公告)日：1990-08-14
申请号：US621464
申请日：1984-06-18
申请人： Konosuke Oishi , Hideaki Koizumi , Masataka Koga
发明人： Konosuke Oishi , Hideaki Koizumi , Masataka Koga
IPC分类号： G01J3/42 , G01N21/31
CPC分类号： G01N21/3103 , G01N2021/3111
摘要： In atomic absorption spectrophotometers such as Zeeman atomic absorption spectrophotometer, the present invention is characterized in that the correction timing of background absorption in sample light is made to coincide with that of reference light so as to improve the accuracy of the output signals of the spectrophotometer. To accomplish this object, the present invention constitutes a calculation processing unit for storing and calculating signals by means for separating one signal consisting of sample signals and reference signals applied thereto from amplification means for amplifiying photoelectrically converted signals into sample and reference signals, and storing them, means for calculating respectively the mean values of two time adjacent signals of one of the sample and reference signals to prepare a signal of the mean values, and means for calculating the difference of the logarithmic converted values of the signals of the other of the sample and reference signals and those of the signals of the signal of the mean values at the same points of time, and obtaining correction signals of background absorption.
摘要翻译：在诸如塞曼原子吸收分光光度计的原子吸收分光光度计中，本发明的特征在于使得样品光中的背景吸收的校正时间与参考光的校正时间一致，以提高分光光度计的输出信号的精度。为了实现该目的，本发明构成了一种计算处理单元，用于通过用于将由采样信号和从其施加的参考信号组成的一个信号分离出来，用于存储和计算信号，该放大装置用于将光电转换的信号放大为采样和参考信号，并将它们存储分别计算采样和参考信号之一的两个时间相邻信号的平均值以准备平均值的信号的装置，以及用于计算另一个样本的信号的对数转换值之差的装置参考信号和相同时间点的平均值信号的信号，得到背景吸收的校正信号。

9. 发明授权

US4645341A Double polarized light beam spectrophotometer of light source modulation type 失效
标题翻译：双偏振光束分光光度计光源调制型
公开(公告)号：US4645341A
公开(公告)日：1987-02-24
申请号：US604939
申请日：1984-04-27
申请人： Masataka Koga , Masatoshi Kitagawa , Konosuke Oishi
发明人： Masataka Koga , Masatoshi Kitagawa , Konosuke Oishi
IPC分类号： G01J3/447 , G01J3/427 , G01N21/31 , G01N21/74 , G01J3/42
CPC分类号： G01N21/3103 , G01J2003/4275 , G01N2021/3111 , G01N21/74
摘要： A double polarized light beam spectrophotometer of a light-source modulation type. A modulated light beam emitted by a light source is conducted through specimen atom vapor generated by a graphite atomizer. Wavelength of light undergone atom absorption is selected and spatially separated into a pair of linearly polarized light beams perpendicular to each other. The pair of the linearly polarized light beams separated are alternately passed through a chopper and received by a photoelectric conversion device to be converted into electric signals which are utilized for determining atomic absorption of the specimen. The phase of modulation of light radiated from the light source is synchronized with phase of a current supplied to the graphite atomizer for heating thereof and the switching timing of the chopper.
摘要翻译：一种光源调制型双偏振光束分光光度计。由光源发射的调制光束通过由石墨雾化器产生的试样原子蒸气进行。选择原子吸收的光的波长并在空间上分离为彼此垂直的一对线性偏振光束。分离出的一对线偏振光交替地通过斩波器并由光电转换装置接收，以转换成用于确定样品的原子吸收的电信号。从光源辐射的光的调制相位与提供给石墨雾化器的电流的相位同步，以加热它们以及斩波器的切换时序。

10. 发明授权

US4963735A Plasma source mass spectrometer 失效
标题翻译：等离子体质谱仪
公开(公告)号：US4963735A
公开(公告)日：1990-10-16
申请号：US432895
申请日：1989-11-07
申请人： Yukio Okamoto , Tsutomu Komoda , Satoshi Shimura , Seiichi Murayama , Masataka Koga
发明人： Yukio Okamoto , Tsutomu Komoda , Satoshi Shimura , Seiichi Murayama , Masataka Koga
IPC分类号： H01J49/10
CPC分类号： H01J49/10
摘要： A plasma source mass spectrometer in which ions in a plasma generated in a high pressure (.ltoreq.1 atm) region are introduced into a low pressure (.ltoreq.10.sup.-5 Torr) region to analysis the ion mass includes a moderate pressure (.gtoreq.10.sup.-3 Torr) region which is provided between the high pressure region and the low pressure region. The plasma generated in the high pressure region is diffused to the moderate pressure region in order to produce a diffused plasma. Ions are extracted from the diffused plasma by an ion extraction electrode having an ion extraction opening. In the vicinity of the ion extraction opening a convex-shaped toward the diffused plasma whereby ion sheath is formed, whereby the ions can be extracted toward the low pressure region with a high efficiency.
摘要翻译：一种等离子体质谱仪，其中将高压（ / = 10-3Torr）区域，其设置在高压区域和低压区域之间。在高压区域中产生的等离子体扩散到中等压力区域以产生漫射等离子体。通过具有离子提取开口的离子提取电极从扩散的等离子体中提取离子。在离子提取开口附近，向扩散等离子体形成凸状，从而形成离子鞘，能够高效地向低压区域取出离子。

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