JPS6052752U - Oxide hot cathode for fluorescent display tubes - Google Patents

Oxide hot cathode for fluorescent display tubes

Info

Publication number
JPS6052752U
JPS6052752U JP14397883U JP14397883U JPS6052752U JP S6052752 U JPS6052752 U JP S6052752U JP 14397883 U JP14397883 U JP 14397883U JP 14397883 U JP14397883 U JP 14397883U JP S6052752 U JPS6052752 U JP S6052752U
Authority
JP
Japan
Prior art keywords
hot cathode
fluorescent display
display tubes
oxide hot
oxide
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
JP14397883U
Other languages
Japanese (ja)
Inventor
孝 佐久間
Original Assignee
双葉電子工業株式会社
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 双葉電子工業株式会社 filed Critical 双葉電子工業株式会社
Priority to JP14397883U priority Critical patent/JPS6052752U/en
Publication of JPS6052752U publication Critical patent/JPS6052752U/en
Pending legal-status Critical Current

Links

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

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) [Summary] 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 the drawing]

第１図は、従来の三元炭酸塩の粒度分布を示すヒストグ
ラフ、第２図は、本考案の三元炭酸塩の粒度分布を示す
ヒストグラフ、第３図Ａは、本考案の酸化物熱陰極を製
造する装置の説明図、第３図Ｂは、本考案の酸化物熱陰
極の縦断面図、第４図は、本考案の酸化物熱陰極の表面
状態を示す顕微鏡写真、第５図は、従来の酸化物熱陰極
の表面状態を示す顕微鏡写真、第６図は、パルスエミッ
シンの推移を示すグラフ、第７図はζ輝度の推移を示す
グラフ、第８図は、発光効率の推移を示すグラフである
。 １・・・電着槽、２・・・心線、３・・・酸化物粒子層
。FIG. 1 is a histograph showing the particle size distribution of a conventional ternary carbonate, FIG. 2 is a histograph showing the particle size distribution of the ternary carbonate of the present invention, and FIG. 3A is a histograph showing the particle size distribution of the ternary carbonate of the present invention. FIG. 3B is a longitudinal cross-sectional view of the oxide hot cathode of the present invention, FIG. 4 is a micrograph showing the surface condition of the oxide hot cathode of the present invention, and FIG. , a micrograph showing the surface condition of a conventional oxide hot cathode, Fig. 6 is a graph showing the change in pulse emission, Fig. 7 is a graph showing the change in ζ brightness, and Fig. 8 is a graph showing the change in luminous efficiency. This is a graph showing. DESCRIPTION OF SYMBOLS 1... Electrodeposition tank, 2... Core wire, 3... Oxide particle layer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＷまたはＷ合金の心線と、この心線の周囲に化学的に微
細化したアルカリ土類金属の酸化物微粒子層とから構成
されることを特徴とする蛍光表示管用酸化物熱陰極。An oxide hot cathode for a fluorescent display tube, comprising a core wire of W or W alloy, and a layer of chemically refined alkaline earth metal oxide fine particles surrounding the core wire.
JP14397883U 1983-09-17 1983-09-17 Oxide hot cathode for fluorescent display tubes Pending JPS6052752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14397883U JPS6052752U (en) 1983-09-17 1983-09-17 Oxide hot cathode for fluorescent display tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14397883U JPS6052752U (en) 1983-09-17 1983-09-17 Oxide hot cathode for fluorescent display tubes

Publications (1)

Publication Number Publication Date
JPS6052752U true JPS6052752U (en) 1985-04-13

Family

ID=30321213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14397883U Pending JPS6052752U (en) 1983-09-17 1983-09-17 Oxide hot cathode for fluorescent display tubes

Country Status (1)

Country Link
JP (1) JPS6052752U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127151A (en) * 1976-04-19 1977-10-25 Toshiba Corp Electron ray indicator tube

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127151A (en) * 1976-04-19 1977-10-25 Toshiba Corp Electron ray indicator tube

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