JPH0481346U - - Google Patents

Info

Publication number
JPH0481346U
JPH0481346U JP12412090U JP12412090U JPH0481346U JP H0481346 U JPH0481346 U JP H0481346U JP 12412090 U JP12412090 U JP 12412090U JP 12412090 U JP12412090 U JP 12412090U JP H0481346 U JPH0481346 U JP H0481346U
Authority
JP
Japan
Prior art keywords
sealing lid
exhaust hole
vacuum envelope
fluorescent display
hole
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
JP12412090U
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 JP12412090U priority Critical patent/JPH0481346U/ja
Publication of JPH0481346U publication Critical patent/JPH0481346U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1の実施例の断面図、第2
図a,bは第1図の封止ふたの封止部の底面図及
び断面図、第3図は本考案の第2の実施例の断面
図、第4図a,bは第3図の封止ふたの封止部の
底面図及び断面図、第5図は従来の蛍光表示管の
一例の断面図である。 1,11,21……封止ふた、2……低融点ガ
ラス、3……凸部、4……貫通孔、5……排気孔
、6……蛍光表示管、14……溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 真空外囲器と、該真空外囲器の表示の観察を妨
    害しない部分に穿孔された排気孔と、前記真空外
    囲器内を排気後前記排気孔を封止する封止ふたを
    有する蛍光表示管において、前記封止ふたの前記
    排気孔と対向する位置を除いた領域に貫通孔と前
    記封止ふたの側面に溝とのいずれか一方を設けた
    ことを特徴とする蛍光表示管。
JP12412090U 1990-11-26 1990-11-26 Pending JPH0481346U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12412090U JPH0481346U (ja) 1990-11-26 1990-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12412090U JPH0481346U (ja) 1990-11-26 1990-11-26

Publications (1)

Publication Number Publication Date
JPH0481346U true JPH0481346U (ja) 1992-07-15

Family

ID=31871788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12412090U Pending JPH0481346U (ja) 1990-11-26 1990-11-26

Country Status (1)

Country Link
JP (1) JPH0481346U (ja)

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