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102737950a

A technology of mass analysis device and weighing parts, which is applied in the direction of particle separation tubes, parts of particle separator tubes, discharge tubes, etc., and can solve problems that do not involve weight balance and heat dissipation.

Active Publication Date: 2012-10-17
HITACHI HIGH-TECH CORP
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  • Abstract
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  • Claims
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Problems solved by technology

However, these conventional examples do not deal with the weight balance that becomes an important problem when carrying and the heat dissipation problem that becomes a problem when installing.

Method used

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  • 102737950a
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Examples

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no. 1 example

[0029] First, refer to figure 1 The schematic structure of the mass spectrometer according to this invention will be described. figure 1 (a) showing the external appearance of the mass spectrometer, figure 1 (b) shows the layout of each component inside the device.

[0030] exist figure 1 Among them, the device generally shown by symbol 1 is suitable for a mobile mass spectrometer that ionizes a small amount of sample and electromagnetically separates the ions to detect components of the sample.

[0031] This mass spectrometer 1 is a device in which mounted items such as a vacuum chamber 10 and a vacuum pump 15 are housed in a box-shaped housing 100 . figure 1 The shown external view shows the state of use (detection state), and the user can hold the handle portion 110 and carry it when transporting. The box body 100 of this embodiment has a ratio of a small bag size that is excellent in portability when carried with a height dimension H that is smaller than the width dime...

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Abstract

In the spectrometer, heavy loads are arranged centrally inside a case having a height smaller than a width, and having a depth smaller than the height. The heavy loads include a vacuum chamber, a vacuum pump which evacuates the vacuum chamber, a sample introduction unit which introduces a sample to be measured and evaporates the sample, an ionization unit which ionizes the evaporated sample and provides it to the vacuum chamber, and an ion detection unit which is connected to the vacuum chamber. Circuit board storage units which store a plurality of circuit boards with a predetermined space therebetween are formed on both sides along a width direction of the case. The small size portable mass spectrometer realizes excellent heat exhaustion efficiency and is weight balanced.

Description

technical field [0001] The invention relates to a small mass analysis device. Background technique [0002] A mass spectrometer is widely known as a device capable of ionizing a small amount of a sample by an appropriate method and electromagnetically separating the ions to measure a reliable molecular weight. As mass analysis, there are: liquid chromatograph mass analysis in which the analyte is separated into components by a liquid chromatograph and mass analysis is performed; and a single component separated by a gas chromatograph is qualitatively determined by measuring the mass spectrum, and according to The ionic strength detected by mass analysis is used to realize quantitative chromatographic mass analysis, etc. [0003] In recent years, from the standpoint of safety, it is necessary to determine the level and type of pollution caused by unknown chemical products with high accuracy and speed in certain environments, industries, civil or military environments, so the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J49/00H01J49/02
CPCH01J49/0013H05K7/20136H01J49/0022
Inventor 能田弘行大沼满佐藤庸子石黑浩二诸熊秀俊大月繁夫衣斐奈美
Owner HITACHI HIGH-TECH CORP
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