JPS60121252U - Ion source for mass spectrometer - Google Patents

Ion source for mass spectrometer

Info

Publication number
JPS60121252U
JPS60121252U JP747184U JP747184U JPS60121252U JP S60121252 U JPS60121252 U JP S60121252U JP 747184 U JP747184 U JP 747184U JP 747184 U JP747184 U JP 747184U JP S60121252 U JPS60121252 U JP S60121252U
Authority
JP
Japan
Prior art keywords
electrode
orifice
mass spectrometer
needle
ion source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP747184U
Other languages
Japanese (ja)
Inventor
大塚　紀一郎
Original Assignee
日本電子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電子株式会社 filed Critical 日本電子株式会社
Priority to JP747184U priority Critical patent/JPS60121252U/en
Publication of JPS60121252U publication Critical patent/JPS60121252U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

、　　第１図は従来のイオン源を示す断面図、第２図は
本考案の一実施例を示す断面図である。 １：分析部、２：加速集束電極、３ニオリブイス、４ニ
オリフイス電極、５：イオン化室、６：ガス導入孔、７
：排気孔、８：針状電極、９，１０．１２：電源、１１
：中間電極。, FIG. 1 is a sectional view showing a conventional ion source, and FIG. 2 is a sectional view showing an embodiment of the present invention. 1: Analysis section, 2: Accelerating and focusing electrode, 3 Niorifice, 4 Niorifice electrode, 5: Ionization chamber, 6: Gas introduction hole, 7
: Exhaust hole, 8: Needle electrode, 9, 10.12: Power supply, 11
: Intermediate electrode.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）質量分析装置の分析部にイオンを取込むオリフィ
スを有する電極と対向して針状電極を設け、該針状電極
の尖端部を比較的高圧のガス雰囲気となし、該電極に高
電圧を印加して及び又は外部からのイオンや励起種の供
給を受けて該電極尖端部で試料のイオン化を行ない、該
イオンを前記オリフィスを通して分析部に送り込むよう
になした装置において、前記オリフィス電極をその中央
部分が針状電極の側に突出するよ−うに形成したことを
特徴とする質量分析装置用イオン源。(1) A needle-shaped electrode is provided opposite to an electrode having an orifice for introducing ions into the analysis section of a mass spectrometer, and the tip of the needle-shaped electrode is placed in a relatively high-pressure gas atmosphere, and a high voltage is applied to the electrode. In the apparatus, the orifice electrode is configured to ionize a sample at the tip of the electrode by applying a current and/or receiving a supply of ions or excited species from the outside, and send the ions to the analysis section through the orifice. An ion source for a mass spectrometer, characterized in that the central portion thereof is formed so as to protrude to the side of a needle-like electrode. （２）　　前記オリフィス電極と針状電極との間にオリ
フィスより大きな穴径の中間電極が配置されている実用
新案登録請求の範囲第１項記載の質量分析装置用イオン
源。(2) The ion source for a mass spectrometer according to claim 1, wherein an intermediate electrode having a hole diameter larger than the orifice is disposed between the orifice electrode and the needle electrode.
JP747184U 1984-01-23 1984-01-23 Ion source for mass spectrometer Pending JPS60121252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP747184U JPS60121252U (en) 1984-01-23 1984-01-23 Ion source for mass spectrometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP747184U JPS60121252U (en) 1984-01-23 1984-01-23 Ion source for mass spectrometer

Publications (1)

Publication Number Publication Date
JPS60121252U true JPS60121252U (en) 1985-08-15

Family

ID=30485854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP747184U Pending JPS60121252U (en) 1984-01-23 1984-01-23 Ion source for mass spectrometer

Country Status (1)

Country Link
JP (1) JPS60121252U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01276560A (en) * 1988-04-27 1989-11-07 Hitachi Ltd Mass spectrometer
JPH07307139A (en) * 1995-04-26 1995-11-21 Hitachi Ltd Mass spectrometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01276560A (en) * 1988-04-27 1989-11-07 Hitachi Ltd Mass spectrometer
JPH07307139A (en) * 1995-04-26 1995-11-21 Hitachi Ltd Mass spectrometer

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