JPS6289759U - - Google Patents

Info

Publication number
JPS6289759U
JPS6289759U JP18153985U JP18153985U JPS6289759U JP S6289759 U JPS6289759 U JP S6289759U JP 18153985 U JP18153985 U JP 18153985U JP 18153985 U JP18153985 U JP 18153985U JP S6289759 U JPS6289759 U JP S6289759U
Authority
JP
Japan
Prior art keywords
electron
field emission
chamber
electron gun
gun 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
JP18153985U
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 JP18153985U priority Critical patent/JPS6289759U/ja
Publication of JPS6289759U publication Critical patent/JPS6289759U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Sources, Ion Sources (AREA)

Description

【図面の簡単な説明】
図は本考案の電界放射形電子顕微鏡の実施例の
縦断面図である。 5……電子ビーム、12……中間室、13……
差動排気絞り、14……焼出し用ヒーター、16
……第2アノード部、18……収束レンズ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電界放射形電子鏡と電子銃室を高真室に保つた
    めの中間室と電子ビームを細く絞る収束レンズと
    上記各々の間に差動排気絞りを有する電界放射形
    電子顕微鏡において、電子ビームが最初に衝突す
    る電子銃室と中間室間の第2アノード部に局部的
    焼出し可能なヒーターを設けたことを特徴とする
    電界放射形電子顕微鏡。
JP18153985U 1985-11-27 1985-11-27 Pending JPS6289759U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18153985U JPS6289759U (ja) 1985-11-27 1985-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18153985U JPS6289759U (ja) 1985-11-27 1985-11-27

Publications (1)

Publication Number Publication Date
JPS6289759U true JPS6289759U (ja) 1987-06-09

Family

ID=31126500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18153985U Pending JPS6289759U (ja) 1985-11-27 1985-11-27

Country Status (1)

Country Link
JP (1) JPS6289759U (ja)

Similar Documents

Publication Publication Date Title
JPS6289759U (ja)
JPS622151U (ja)
JPH0250951U (ja)
JPH01137059U (ja)
JPS6326999U (ja)
JPH03118539U (ja)
JPH0160340U (ja)
JPS6296255U (ja)
JPH027849U (ja)
JPH01160648U (ja)
JPS61142857U (ja)
JPH0343248U (ja)
JPH0239450U (ja)
JPH02101456U (ja)
JPS6337060U (ja)
JPH0198500U (ja)
JPS63127061U (ja)
JPS63121354U (ja)
JPH01129749U (ja)
JPS62103160U (ja)
JPS642352U (ja)
JPS6190153U (ja)
JPH02137746U (ja)
JPS64249U (ja)
JPS6162348U (ja)