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71. 发明授权

US4889987A Photo ion spectrometer 失效
标题翻译：光离子光谱仪
公开(公告)号：US4889987A
公开(公告)日：1989-12-26
申请号：US14332
申请日：1987-02-13
申请人： Dieter M. Gruen , Charles E. Young , Michael J. Pellin
发明人： Dieter M. Gruen , Charles E. Young , Michael J. Pellin
IPC分类号： H01J49/02 , H01J49/06 , H01J49/14 , H01J49/16 , H01J49/28
CPC分类号： H01J49/161 , H01J49/022 , H01J49/061 , H01J49/142 , H01J49/282 , H01J49/484
摘要： A charged particle spectrometer for performing ultrasensitive quantitative analysis of selected atomic components removed from a sample. Significant improvements in performing energy and angular refocusing spectroscopy are accomplished by means of a two dimensional structure for generating predetermined electromagnetic field boundary conditions. Both resonance and non-resonance ionization of selected neutral atomic components allow accumulation of increased chemical information. A multiplexed operation between a SIMS mode and a neutral atomic component ionization mode with EARTOF analysis enables comparison of chemical information from secondary ions and neutral atomic components removed from the sample. An electronic system is described for switching high level signals, such as SIMS signals, directly to a transient recorder and through a charge amplifier to the transient recorder for a low level signal pulse counting mode, such as for a neutral atomic component ionization mode.
摘要翻译：一种带电粒子光谱仪，用于对从样品中除去的选定的原子成分进行超敏感定量分析。通过用于产生预定电磁场边界条件的二维结构来实现执行能量和角度重新聚焦光谱的显着改进。所选择的中性原子组分的共振和非共振电离都允许累积增加的化学信息。通过EARTOF分析，SIMS模式和中性原子成分离子化模式之间的多路复用操作能够比较从样品中除去的二次离子和中性原子成分的化学信息。描述了一种电子系统，用于将高电平信号（例如SIMS信号）直接切换到瞬态记录器，并通过电荷放大器切换到瞬态记录器，用于低电平信号脉冲计数模式，例如用于中性原子分量电离模式。

72. 发明授权

US4864130A Photo ion spectrometer 失效
公开(公告)号：US4864130A
公开(公告)日：1989-09-05
申请号：US870437
申请日：1986-06-04
申请人： Dieter M. Gruen , Charles E. Young , Michael J. Pellin
发明人： Dieter M. Gruen , Charles E. Young , Michael J. Pellin
IPC分类号： H01J37/08 , G01Q30/02 , H01J49/06 , H01J49/10 , H01J49/14 , H01J49/16 , H01J49/26 , H01J49/28
CPC分类号： H01J49/484 , H01J49/061 , H01J49/142 , H01J49/161 , H01J49/282
摘要： A method and apparatus for extracting for quantitative analysis ions of selected atomic components of a sample. A lens system is configured to provide a slowly diminishing field region for a volume containing the selected atomic components, enabling accurate energy analysis of ions generated in the slowly diminishing field region. The lens system also enables focusing on a sample of a charged particle beam, such as an ion beam, along a path length perpendicular to the sample and extraction of the charged particles along a path length also perpendicular to the sample. Improvement of signal to noise ratio is achieved by laser excitation of ions to selected autoionization states before carrying out quantitative analysis. Accurate energy analysis of energetic charged particles is assured by using a preselected resistive thick film configuration disposed on an insulator substrate for generating predetermined electric field boundary conditions to achieve for analysis the required electric field potential. The spectrometer also is applicable in the fields of SIMS, ISS and electron spectroscopy.

73. 发明授权

US4293769A Detecting IR and mm radiation 失效
标题翻译：检测IR和mm辐射
公开(公告)号：US4293769A
公开(公告)日：1981-10-06
申请号：US94959
申请日：1979-11-16
申请人： Daniel Kleppner
发明人： Daniel Kleppner
IPC分类号： G01J1/00 , H01J49/16
CPC分类号： H01J49/168 , G01J1/00 , H01J49/161
摘要： An atomic beam is excited by laser radiation to a state with large principal quantum number. The beam is irradiated with infrared or millimeter wave radiation which is to be detected. The atoms absorb the radiation by making transitions to higher-lying states. The transitions are sensed by applying an electric field which ionizes atoms in the final state, but not the initial state. The ions ae collected and detected by conventional pulse-counting or direct current methods.
摘要翻译：原子束被激光辐射激发到具有较大主量子数的状态。用要检测的红外线或毫米波辐射照射光束。原子通过向更高的状态转变来吸收辐射。通过施加在最终状态下电离原子但不是初始状态的电场来感测转变。通过常规脉冲计数或直流方法收集和检测离子。

74. 发明申请

US20180321190A1 AEROSOL IONIZER 审中-公开
公开(公告)号：US20180321190A1
公开(公告)日：2018-11-08
申请号：US16032874
申请日：2018-07-11
申请人： Brechtel Manufacturing, Inc.
发明人： Fredrick J. Brechtel , Xerxes Lopez-Yglesias
IPC分类号： G01N27/66 , H01J27/02 , H01J49/14 , G01N27/62 , G01R29/24 , H01J49/16
CPC分类号： G01N27/66 , G01N27/624 , G01R29/24 , H01J27/02 , H01J49/145 , H01J49/161
摘要： A system and method comprising an ion production chamber having an ultra-violet light source disposed towards said chamber, a coated quartz plate between the chamber and the UV source whose coating absorbs incident UV light and ejects electrons into the chamber through the photoelectric effect, a harvest gas disposed to flow through the chamber from an inlet to an outlet, and a jet operable to introduce a sample into the harvest gas flow. In some embodiments the system includes using helium as the harvest gas. Certain embodiments include introducing a sample perpendicular to the harvest gas flow and using multiple sample introduction jets to increase mixing efficiency. In some embodiments the harvest gas and particle sample jet are one and the same. The charge sample may be coupled to a MEMS-based electrometer.

75. 发明申请

US20180294149A1 ION SOURCE AND METHOD FOR GENERATING ELEMENTAL IONS FROM AEROSOL PARTICLES 审中-公开
公开(公告)号：US20180294149A1
公开(公告)日：2018-10-11
申请号：US15857897
申请日：2017-12-29
申请人： TOFWERK AG
发明人： Urs ROHNER
IPC分类号： H01J49/04 , H01J49/14
CPC分类号： H01J49/0445 , H01J27/24 , H01J49/14 , H01J49/161
摘要： The invention relates to an ion source (50) for generating elemental ions and/or ionised metal oxides from aerosol particles, comprising: a reduced pressure chamber (61) having an inside; an inlet (56) and a flow restricting device (60) for inserting the aerosol particles in a dispersion comprising the aerosol particles dispersed in a gas, in particular in air, into the inside of the reduced pressure chamber (61), the inlet (60) fluidly coupling an outside of the reduced pressure chamber (61) via the flow restricting device (60) with the inside of the reduced pressure chamber (60); a laser (62) for inducing in a plasma region (63) in the inside of the reduced pressure chamber (61) a plasma in the dispersion for atomising and ionising the aerosol particles to elemental ions and/or ionised metal oxides; wherein the reduced pressure chamber (61) is adapted for achieving and maintaining in the inside of the reduced pressure chamber (61) a pressure in a range from 0.01 mbar to 100 mbar. The invention further relates to a method for generating elemental ions and/or ionised metal oxides from aerosol particles, comprising the steps of inserting aerosol particles in a dispersion comprising the aerosol particles dispersed in a gas, in particular in air, through an inlet (56) via a flow restricting device (60) into an inside of a reduced pressure chamber (61), while maintaining in the inside of the reduced pressure chamber (61) a pressure in a range from 0.01 mbar to 100 mbar, preferably from 0.1 mbar to 100 mbar or from 1 mbar to 100 mbar, particular preferably from 0.1 mbar to 50 mbar or from 1 mbar to 50 mbar, most preferably from 0.1 mbar to 40 mbar or from 1 mbar to 40 mbar; and inducing with a laser (62) in a plasma region (63) in the inside of the reduced pressure chamber (61) a plasma in the dispersion for atomising and ionising the aerosol particles to elemental ions and/or ionised metal oxides, wherein the laser (62) is adapted for inducing in the plasma region (63) in the inside of the reduced pressure chamber (61) the plasma in the gas of the dispersion for atomising and ionising the aerosol particles to elemental ions.

76. 发明申请

US20180261443A1 MASS SPECTROMETRY APPARATUS FOR ULTRAVIOLET LIGHT IONIZATION OF NEUTRAL LOST MOLECULES, AND METHOD FOR OPERATING SAME 审中-公开
公开(公告)号：US20180261443A1
公开(公告)日：2018-09-13
申请号：US15124382
申请日：2015-11-19
申请人： NATIONAL INSTITUTE OF METROLOGY CHINA
发明人： Xingchuang XIONG , Xiang FANG , You JIANG , Xiaoyun GONG , Zejian HUANG , Meiying LIU
IPC分类号： H01J49/42 , H01J49/00 , H01J49/16 , H01J49/36 , H01J49/04
CPC分类号： H01J49/4225 , H01J49/0031 , H01J49/0495 , H01J49/161 , H01J49/36 , H01J49/42
摘要： The invention proposes a mass spectrometry apparatus for ultraviolet light ionization of neutral lost molecules, and a method for operating same. The mass spectrometry apparatus for ultraviolet light ionization of neutral lost molecules includes a quadrupole tandem special linear ion trap mass analyzer, a vacuum ultraviolet lamp, a lamp front shutter, a gradient vacuum system and other necessary components for the mass spectrometry apparatus. In addition, the invention also proposes a method for operating the apparatus to efficiently store ions, fragment and analyze the ions, perform ultraviolet efficient ionization on lost neutral molecules, and then analyze the ions.

77. 发明申请

US20180254177A1 FABRICATION OF MASS SPECTROMETRY SURFACE 审中-公开
公开(公告)号：US20180254177A1
公开(公告)日：2018-09-06
申请号：US15759192
申请日：2016-10-05
申请人： The Regents of the University of California
发明人： Jian Gao , Trent R. Northen
IPC分类号： H01J49/10 , H01J49/14 , H01J49/16
CPC分类号： H01J49/107 , B82Y40/00 , H01J49/00 , H01J49/14 , H01J49/161
摘要： Disclosed herein are compositions for ionizing a target and methods for making the compositions. In some embodiments, the compositions can include a structured substrate having a plurality of upright surface features, for example, microscale or nanoscale pillars, in contact with an initiator. Also disclosed herein are methods for ionizing targets.

78. 发明申请

US20170356879A1 AEROSOL IONIZER 审中-公开
公开(公告)号：US20170356879A1
公开(公告)日：2017-12-14
申请号：US15672131
申请日：2017-08-08
申请人： Brechtel Manufacturing, Inc.
发明人： Fredrick J. Brechtel , Xerxes Lopez-Yglesias
IPC分类号： G01N27/66 , G01R29/24 , H01J27/02 , G01N27/62 , H01J49/16 , H01J49/14
CPC分类号： G01N27/66 , G01N27/624 , G01R29/24 , H01J27/02 , H01J49/145 , H01J49/161
摘要： A system and method comprising an ion production chamber having an ultra-violet light source disposed towards said chamber, a coated quartz plate between the chamber and the UV source whose coating absorbs incident UV light and ejects electrons into the chamber through the photoelectric effect, a harvest gas disposed to flow through the chamber from an inlet to an outlet, and a jet operable to introduce a sample into the harvest gas flow. In some embodiments the system includes using helium as the harvest gas. Certain embodiments include introducing a sample perpendicular to the harvest gas flow and using multiple sample introduction jets to increase mixing efficiency. In some embodiments the harvest gas and particle sample jet are one and the same. The charge sample may be coupled to a MEMS-based electrometer.

79. 发明申请

US20170301526A1 IMAGING SPECTROMETER 审中-公开
公开(公告)号：US20170301526A1
公开(公告)日：2017-10-19
申请号：US15632959
申请日：2017-06-26
申请人： Government of the United States of America, as Represented by the Secretary of Commerce
发明人： NORMAN A. SANFORD , ANN CHIARAMONTI DEBAY
IPC分类号： H01J49/00 , H01J49/16 , H01J49/40 , H05G2/00
CPC分类号： H01J49/0004 , G01N23/046 , H01J49/0031 , H01J49/004 , H01J49/161 , H01J49/40 , H05G2/008
摘要： A extreme ultraviolet (EUV) imaging spectrometer includes: a radiation source to: produce EUV radiation; subject a sample to the EUV radiation; photoionize a plurality of atoms of the sample; and form photoions from the atoms subject to photoionization by the EUV radiation, the photoions being field evaporated from the sample in response to the sample being subjected to the EUV radiation; and an ion detector to detect the photoions: as a function of a time-of-arrival of the photoions at the ion detector after the sample is subjected to the EUV radiation; or as a function of a position of the photoions at the ion detector.

80. 发明授权

US09753013B2 Charged particle detector 有权
公开(公告)号：US09753013B2
公开(公告)日：2017-09-05
申请号：US14280582
申请日：2014-05-17
申请人： Brechtel Manufacturing, Inc.
发明人： Fredrick J Brechtel , David A. Horsley , Gerardo Jaramillo
IPC分类号： G01N27/62 , G01N27/66 , G01R29/24 , H01J27/02 , H01J49/14 , H01J49/16
CPC分类号： G01N27/66 , G01N27/624 , G01R29/24 , H01J27/02 , H01J49/145 , H01J49/161
摘要： A system and method comprising a charger for ionizing aerosols; a spectrometer coupled to the charger and operable to select for a predetermined particle size; a porous charge collector coupled to the spectrometer, and a MEMS electrometer. In some embodiments the charge collector may be a metal frit electrically coupled to the electrometer. The electrometer may include a comb drive actuator coupled to a moving shuttle supported on flexures.

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