公开(公告)号：US20140158880A1

公开(公告)日：2014-06-12

申请号：US14097848

申请日：2013-12-05

申请人： Korea Basic Science Institute

发明人： Mo Yang ,  Seung Yong Kim ,  Hyun Sik Kim

IPC分类号： H01J49/06

CPC分类号： H01J49/065 ,  H01J49/421 ,  H01J49/424 ,  Y10T29/49826

摘要： An ion trap mass spectrometer is provided, including: an electron emitter; an ion trap storing ions generated by ionization resulting from an impact with electrons emitted from the electron emitter; a secondary ion filter for blocking out secondary ions generated due to ions selectively released by the ion trap; and a detector detecting ions selectively released from the ion trap, wherein the electron emitter, the ion trap, the secondary ion filter, and the ion detector are arranged on the same axis, so that a pure mass spectrum can be measured by excluding the secondary ions which are causes of background noise signals in the procedure of detection of the ions by the ion trap mass spectrometer.

摘要翻译： 提供了一种离子阱质谱仪，包括：电子发射体; 离子阱，其存储由从电子发射体发射的电子的撞击而产生的离子产生的离子; 用于阻断由离子阱选择性释放的离子产生的二次离子的二次离子过滤器; 以及检测器，其检测离子阱选择性释放的离子，其中电子发射体，离子阱，二次离子过滤器和离子检测器被布置在相同的轴上，使得可以通过排除次级 离子是离子阱质谱仪检测离子的过程中背景噪声信号的原因。

公开(公告)号：US10037876B2

公开(公告)日：2018-07-31

申请号：US15320953

申请日：2015-12-09

申请人： Korea Basic Science Institute

发明人： Seung Yong Kim ,  Mo Yang ,  Hyun Sik Kim

IPC分类号： H01J49/00 ,  H01J49/08 ,  H01J49/42

CPC分类号： H01J49/08 ,  H01J49/147 ,  H01J49/422 ,  H01J49/424

摘要： The present invention relates to an electron bean injection control of a mass spectrometer. A mass spectrometer of the present invention includes: a reference waveform generator configured to generate a reference waveform signal having one type of a square wave and a sine wave, a waveform generator configured to generate a sync signal synchronized with the reference waveform signal; an RF module configured to generate an RF voltage signal from the reference waveform signal and apply the RF voltage signal to an RF electrode in the ion trap, an electron beam generator configured to control an operation of an ultraviolet (UV) diode for generating an electron beam injected into the ion trap according to an input control signal, and a control circuit configured to generate the control signal by using the square wave signal.

公开(公告)号：US09058965B2

公开(公告)日：2015-06-16

申请号：US14097848

申请日：2013-12-05

申请人： Korea Basic Science Institute

发明人： Mo Yang ,  Seung Yong Kim ,  Hyun Sik Kim

IPC分类号： H01J49/42 ,  H01J49/06

CPC分类号： H01J49/065 ,  H01J49/421 ,  H01J49/424 ,  Y10T29/49826

摘要： An ion trap mass spectrometer is provided, including: an electron emitter; an ion trap storing ions generated by ionization resulting from an impact with electrons emitted from the electron emitter; a secondary ion filter for blocking out secondary ions generated due to ions selectively released by the ion trap; and a detector detecting ions selectively released from the ion trap, wherein the electron emitter, the ion trap, the secondary ion filter, and the ion detector are arranged on the same axis, so that a pure mass spectrum can be measured by excluding the secondary ions which are causes of background noise signals in the procedure of detection of the ions by the ion trap mass spectrometer.

摘要翻译： 提供了一种离子阱质谱仪，包括：电子发射体; 离子阱，其存储由从电子发射体发射的电子的撞击而产生的离子产生的离子; 用于阻断由离子阱选择性释放的离子产生的二次离子的二次离子过滤器; 以及检测器，其检测离子阱选择性释放的离子，其中电子发射体，离子阱，二次离子过滤器和离子检测器被布置在相同的轴上，使得可以通过排除次级 离子是离子阱质谱仪检测离子的过程中背景噪声信号的原因。

公开(公告)号：US09443705B2

公开(公告)日：2016-09-13

申请号：US14851401

申请日：2015-09-11

申请人： Korea Basic Science Institute

发明人： Seung Yong Kim ,  Mo Yang ,  Hyun Sik Kim

IPC分类号： H01J49/00 ,  H01J49/02 ,  H01J49/42

CPC分类号： H01J49/0022 ,  H01J49/022 ,  H01J49/427 ,  H03F3/19 ,  H03F2200/451

摘要： Provided is a multiple frequency Radio Frequency (RF) amplifier. The multiple frequency RF amplifier includes a waveform generation circuit configured to generate an RF signal by amplitude and frequency-modulating a reference waveform signal, a drive amplifier circuit configured to drive-amplify the RF signal, and a power amplifier circuit configured to generate a multiple frequency RF voltage signal through a power amplification of the drive-amplified RF signal and output the multiple frequency RF voltage signal to an ion trap for a mass spectrometry.

摘要翻译： 提供了一种多频射频（RF）放大器。 多频RF放大器包括：波形发生电路，被配置为通过幅度产生RF信号并对参考波形信号进行频率调制;驱动放大器电路，被配置为驱动放大RF信号;以及功率放大器电路，被配置为产生多个 通过驱动放大的RF信号的功率放大来输出频率RF电压信号，并将多频RF电压信号输出到用于质谱的离子阱。

公开(公告)号：US10388506B2

公开(公告)日：2019-08-20

申请号：US15321563

申请日：2015-12-04

申请人： Korea Basic Science Institute

发明人： Mo Yang ,  Seung Yong Kim ,  Hyun Sik Kim ,  Wan Seop Jeong

IPC分类号： H01J49/40 ,  H01J49/08 ,  H01J49/14 ,  H01J43/10 ,  H01J43/24

摘要： Provided is a time-of-flight mass spectrometer including: an ionization part receiving electron beams to thereby emit ions; a cold electron supply part injecting the electron beams to the ionization part; an ion detection part detecting the ions emitted from the ionization part; and an ion separation part connecting the ionization part and the ion detection part, wherein the cold electron supply part includes a microchannel plate receiving ultraviolet rays to thereby emit the electron beams, the ions emitted from the ionization part pass through the ion separation part to thereby reach the ion detection part, and the ion separation part has a straight tube shape.

公开(公告)号：US20140367568A1

公开(公告)日：2014-12-18

申请号：US14358809

申请日：2011-11-28

申请人： KOREA BASIC SCIENCE INSTITUTE

发明人： Hyun Sik Kim ,  Seung Young Kim ,  Mo Yang

IPC分类号： H01J49/00 ,  H01J49/42

CPC分类号： H01J49/08 ,  H01J27/028 ,  H01J43/04 ,  H01J43/246 ,  H01J49/0045 ,  H01J49/0054 ,  H01J49/10 ,  H01J49/147 ,  H01J49/38 ,  H01J49/426

摘要： The present invention relates to an anion generating and electron capture dissociation apparatus using cold electrons, which uses an MCP electron multiplier plate for generating an electron beam for ionization within an ion trap of a Fourier transform ion cyclotron resonance mass spectroscope, injects ultraviolet photons emitted from an ultraviolet diode across the entire surface of the MCP electron multiplier plate, uses an electron focusing lens to focus and inject an electron beam into the trap, and generates an ECD reaction by coupling electrons to molecules having multiple positive charges using a low energy electron beam emitting apparatus for the negative ionization of neutral molecules in the ion trap. The anion generating and electron capturing and analyzing apparatus of the present invention, which uses cold electrons and is configured of a cold electron generating module which generates a large number of cold electrons from ultraviolet photons emitted into a mass spectroscope in a high vacuum state, comprises a plurality of ultraviolet diodes emitting ultraviolet photons in the mass spectroscope, an MCP electron multiplier plate inducing and amplifying an initial electron emission of ultraviolet photons from the ultraviolet diodes, and generating a high capacity electron beam from a back plate, an electron focusing lens for focusing the electron beam amplified through the MCP electron multiplier plate, and a grid for adjusting the energy and current of electrons.

摘要翻译： 本发明涉及一种使用冷电子的阴离子产生和电子捕获离解装置，其使用MCP电子倍增器板在傅里叶变换离子回旋共振质谱仪的离子阱内产生用于离子化的电子束，注入从 跨越MCP电子倍增器板的整个表面的紫外线二极管使用电子聚焦透镜将电子束聚焦并注入陷阱，并通过使用低能电子束将电子耦合到具有多个正电荷的分子来产生ECD反应 用于离子阱中的中性分子的负电离的发射装置。 本发明的阴离子产生和电子捕获和分析装置，其使用冷电子并且由在高真空状态下发射到质谱仪中的紫外光子产生大量冷电子的冷电子发生模块构成，包括 在质谱仪中发射紫外光子的多个紫外线二极管，MCP电子倍增器板，其从紫外二极管感应并放大紫外光子的初始电子发射，并从背板产生高容量电子束;电子聚焦透镜， 聚焦通过MCP电子倍增器板放大的电子束，以及用于调节电子的能量和电流的栅格。