JPS6241663U

JPS6241663U -

Info

Publication number: JPS6241663U
Application number: JP13284985U
Authority: JP
Priority date: 1985-08-30
Filing date: 1985-08-30
Publication date: 1987-03-12

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２
図及び第３図はその一部の斜視図、第４図は第１
図の装置のＣＩモードでの使用状態を示す断面図
、第５図は本考案の動作を説明するための図、第
６図は一般的なＣＩ／ＥＩイオン源の概略図であ
る。２：イオン化筐、３：電極群、４：電子線導入
口、５：電子線取出し口、６：フイラメント、７
：電子捕捉コレクタ、８：キヤピラリーカラムガ
スクロマトグラフ、９：パツクドカラムガスクロ
マトグラフ、１０：リザーバ型試料導入装置、１
１：直接試料導入装置、１６：反応ガス供給源、
１９：イオン取出し口、２０ａ，２０ｂ，２０ｃ
，２０ｄ：開口、２１：内筒、２２：開口、２３
ａ，２３ｂ：第１列微小開口群、２４ａ，２４ｂ
：第２列微小開口群、２５ａ，２５ｂ：第３列微
小開口群、２６ａ，２６ｂ：第４列微小開口群、
２７ａ，２７ｂ：電気絶縁棒、２８：駆動棒、２
９：移動ガイド、３０：筐体壁、３１：つまみ、
３２ａ，３２ｂ，３２ｃ，３２ｄ：円錐状窪み、
３３：円錐状窪み、３４：ボール又は突起部、３
５：隔壁、３６：イオン取出し開口。 Fig. 1 is a sectional view showing one embodiment of the present invention;
Figures 3 and 3 are perspective views of some of them, and Figure 4 is the first part.
FIG. 5 is a diagram for explaining the operation of the present invention, and FIG. 6 is a schematic diagram of a general CI/EI ion source. 2: Ionization case, 3: Electrode group, 4: Electron beam inlet, 5: Electron beam outlet, 6: Filament, 7
: Electron capture collector, 8: Capillary column gas chromatograph, 9: Packed column gas chromatograph, 10: Reservoir type sample introduction device, 1
1: Direct sample introduction device, 16: Reaction gas supply source,
19: Ion extraction port, 20a, 20b, 20c
, 20d: opening, 21: inner cylinder, 22: opening, 23
a, 23b: first row micro aperture group, 24a, 24b
: 2nd row micro aperture group, 25a, 25b: 3rd row micro aperture group, 26a, 26b: 4th row micro aperture group,
27a, 27b: Electrical insulation rod, 28: Drive rod, 2
9: Movement guide, 30: Housing wall, 31: Knob,
32a, 32b, 32c, 32d: conical depression,
33: Conical recess, 34: Ball or protrusion, 3
5: Partition wall, 36: Ion extraction opening.

Claims

[Scope of utility model registration request]

An ionization case with an opening for extracting ions toward the analysis field is provided, and on the outer periphery of this ionization case there are an electron beam inlet, an electron beam outlet, a sample inlet from the gas chromatograph device, and a sample inlet from the direct sample introduction device. and a sample introduction port from the reservoir type sample introduction device, a filament for generating electrons is arranged outside the electron beam introduction port, a collector for capturing electrons is arranged outside the electron beam extraction port, and the ionization casing is In an apparatus having a system for introducing a gas that reacts with a sample gas into the ionization housing, an inner cylinder is slidably inserted into the ionization housing, and this inner cylinder is connected to a specific sample introduction device and an electron beam introduction port. A CI/EI for a mass spectrometer, comprising a mechanism for moving the inner casing from outside the device in steps equal to the spacing between each row of the aperture groups.
ion source.