JPH01158640U - - Google Patents

Info

Publication number
JPH01158640U
JPH01158640U JP5403988U JP5403988U JPH01158640U JP H01158640 U JPH01158640 U JP H01158640U JP 5403988 U JP5403988 U JP 5403988U JP 5403988 U JP5403988 U JP 5403988U JP H01158640 U JPH01158640 U JP H01158640U
Authority
JP
Japan
Prior art keywords
gas
ionized
shielding member
filament
chamber
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
JP5403988U
Other languages
English (en)
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 filed Critical
Priority to JP5403988U priority Critical patent/JPH01158640U/ja
Publication of JPH01158640U publication Critical patent/JPH01158640U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)

Description

【図面の簡単な説明】
第1図は本考案のイオン発生源の一実施例を示
す要部断面構成図、第2図は従来のイオンエツチ
ング装置を示す断面構成図である。 1……イオン発生源、2……フイラメント、3
……アノード、4……コイル、5……引出し電極
、11……イオン生成室、20……遮蔽部材、2
1……不活性ガス導入口。

Claims (1)

    【実用新案登録請求の範囲】
  1. 真空室内にイオン化すべきガスが導入され、前
    記室内に配置されたフイラメントからの熱電子と
    衝突させて前記ガスをイオン化させるカウフマン
    型のイオン発生源において、前記フイラメントを
    囲つて遮蔽部材を設けるとともにこの遮蔽部材内
    に不活性ガスを導入するための導入口を設けたこ
    とを特徴とするイオン発生源。
JP5403988U 1988-04-21 1988-04-21 Pending JPH01158640U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5403988U JPH01158640U (ja) 1988-04-21 1988-04-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5403988U JPH01158640U (ja) 1988-04-21 1988-04-21

Publications (1)

Publication Number Publication Date
JPH01158640U true JPH01158640U (ja) 1989-11-01

Family

ID=31279988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5403988U Pending JPH01158640U (ja) 1988-04-21 1988-04-21

Country Status (1)

Country Link
JP (1) JPH01158640U (ja)

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