JPH03124457U - - Google Patents

Info

Publication number
JPH03124457U
JPH03124457U JP3372990U JP3372990U JPH03124457U JP H03124457 U JPH03124457 U JP H03124457U JP 3372990 U JP3372990 U JP 3372990U JP 3372990 U JP3372990 U JP 3372990U JP H03124457 U JPH03124457 U JP H03124457U
Authority
JP
Japan
Prior art keywords
emitting material
electron emitting
coated
heater
coil
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
JP3372990U
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 JP3372990U priority Critical patent/JPH03124457U/ja
Publication of JPH03124457U publication Critical patent/JPH03124457U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例である直熱型陰極構
体の断面図および第2図は従来の直熱型陰極構体
の断面図である。 1a,1b……リード、2……絶縁体、3……
コイル型ヒータ、4……電子放射物質、5a,5
b……補強塗布した電子放射物質。

Claims (1)

    【実用新案登録請求の範囲】
  1. 一対のリードの間にコイル型ヒータを張架し、
    これに電子放射物質を被着した直熱型陰極構体に
    おいて、前記コイル型ヒータの両端部分に補強被
    膜の電子放射物質を塗布したことを特徴とする直
    熱型陰極構体。
JP3372990U 1990-03-29 1990-03-29 Pending JPH03124457U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3372990U JPH03124457U (ja) 1990-03-29 1990-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3372990U JPH03124457U (ja) 1990-03-29 1990-03-29

Publications (1)

Publication Number Publication Date
JPH03124457U true JPH03124457U (ja) 1991-12-17

Family

ID=31537623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3372990U Pending JPH03124457U (ja) 1990-03-29 1990-03-29

Country Status (1)

Country Link
JP (1) JPH03124457U (ja)

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