JPS5918547A - Withstand voltage treatment of color cathode-ray tube - Google Patents
Withstand voltage treatment of color cathode-ray tubeInfo
- Publication number
- JPS5918547A JPS5918547A JP12670282A JP12670282A JPS5918547A JP S5918547 A JPS5918547 A JP S5918547A JP 12670282 A JP12670282 A JP 12670282A JP 12670282 A JP12670282 A JP 12670282A JP S5918547 A JPS5918547 A JP S5918547A
- Authority
- JP
- Japan
- Prior art keywords
- withstand voltage
- color cathode
- ray tubes
- stray emission
- stray
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明はカラーブラウン管の耐電圧処理方法に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a voltage resistance treatment method for color cathode ray tubes.
カラーブラウン管の耐電圧特性向上のためには、アノー
ドに雄接続される電極と、その他の低電圧の印加される
電極群間に高電圧を印加し、火花放電を起させ電極表面
の異物や突起などを除去化成する方法が一般的であシ、
この高電圧は通常インダクションコイル、テスラーコイ
ルなどによ多発生するようになされている。In order to improve the withstand voltage characteristics of color cathode ray tubes, high voltage is applied between the electrode connected male to the anode and other electrodes to which low voltage is applied, causing spark discharge and eliminating foreign matter and protrusions on the electrode surface. A common method is to remove and chemically convert the
This high voltage is usually generated by induction coils, Tesler coils, etc.
一方生産ラインには前述した耐電圧処理装置が印加電圧
の低い方から高い方へと1列に並べられ、それらの装置
によシカラーブラウン管は順次所定時間の耐電圧処理が
行なわれている。On the other hand, on the production line, the above-mentioned withstand voltage processing devices are arranged in a line from the lowest applied voltage to the highest, and the shicolor cathode ray tubes are sequentially subjected to withstand voltage treatment for a predetermined period of time by these devices.
また多管種のカラーブラウン管を一連の生産ラインで製
造する多管種混合生産フィンでは管種によりカラーブラ
ウン管の大きさや電子銃構造の違いがあるにもかかわら
ず、それらの専用の耐電圧処理条件を選択することは設
備コストの面で製造技術的に非常に難かしいため、所定
の耐電圧処理では次工程におけるストレイエミッション
工程で不良になるものが数109kにもなり、この不良
のカラーブラウン管は更に耐電圧再処理を行ないストレ
イエミッション工程を行なうと云う方法が使用されてい
ることが多く、この方法で杖生産ラインを混乱させるし
、またカラーブラウン管を不良する問題点がある。In addition, in the multi-tube mixed production fin that manufactures multiple color cathode ray tubes on a series of production lines, even though the size and electron gun structure of the color cathode ray tubes differ depending on the tube type, the special withstand voltage treatment conditions are Because it is very difficult to select a color cathode ray tube in terms of manufacturing technology in terms of equipment costs, the number of defective color cathode ray tubes in the next stray emission process becomes several 109k with the specified withstand voltage treatment. Further, a method of performing voltage resistance reprocessing and a stray emission process is often used, but this method has the problem of disrupting the cane production line and causing failure of the color cathode ray tube.
本発明は前述した従来の問題点に鑑みなされたものであ
り、多管種のカラーブラウン管を一連の生産ラインで製
造する場合にも効果的に耐電圧処理を行々うことが可能
なカラーブラウン管の耐電圧処理方法を提供することを
目的としている。The present invention has been made in view of the conventional problems described above, and provides a color cathode ray tube that can effectively perform voltage resistance treatment even when manufacturing multiple types of color cathode ray tubes on a series of production lines. The purpose of this invention is to provide a withstand voltage processing method.
即ち、本発明のカラーブラウン管の耐電圧処理方法は多
管種のカラーブラウン管を一連の生産ラインで製造する
場合、多管種のカシ−ブラウン管に共通な耐電圧処理を
施したのちストレイエミッションを測定し、このストレ
イエミッションが発生するカラーブラウン管のみ、スト
レイエミツシ爾ンの発生を被視しながら耐電圧処理電圧
をステップアップして耐電圧処理を再度行なうようにし
九ことを特徴としている。That is, in the method for withstanding voltage treatment of color CRTs of the present invention, when multiple types of color CRTs are manufactured on a series of production lines, stray emissions are measured after applying a common withstand voltage treatment to multiple types of Cassie CRTs. However, only for color cathode ray tubes in which this stray emission occurs, the withstand voltage processing voltage is stepped up and the withstand voltage processing is performed again while monitoring the occurrence of stray emissions.
次に本発明のカラーブラウン管の耐電圧処理方法を第1
図乃至第3図によシ説明する。Next, the method for treating the color cathode ray tube withstand voltage according to the present invention will be explained in the first step.
This will be explained with reference to FIGS.
即ち、一連の生産ラインで混合生産されたカラーブラウ
ン管は矢印(1)を通って共通な耐電圧処理装置(2)
で耐電圧処理されたのち第1のストレイエミッション測
定装置(3)によシストレイエミッションの測定が行な
われ、良品は更に第2のストレイエミッション測定装置
(4)を通るか、または直接静特性・動特性測定装置(
5)によシ各種特性が測定され良品は矢印(6)方向に
送り出される。That is, the color cathode ray tubes mixedly produced in a series of production lines pass through the arrow (1) to the common voltage processing device (2).
After being subjected to withstand voltage treatment, the first stray emission measurement device (3) measures the systole emission, and the non-defective products are further passed through the second stray emission measurement device (4) or directly tested for static characteristics. Dynamic characteristic measuring device (
5) Various characteristics are measured and good products are sent out in the direction of arrow (6).
一方、第1のストレイエミッション測定装置(3)によ
如測定しストレイエミッションの発生するカラーブラウ
ン管は、ストレイエミッションの発生を被視しながら耐
電圧処理電圧をステップアップすることが可能な耐電圧
選択処理装置(力により耐電圧処理が行なわれ、上述し
た良品と同様に第2のストレイエミッション装置(4)
を通るか、または直接静特性・動特性測定装置(5)に
より各種特性が測定され良品は矢印(6)方向に送シ出
される。On the other hand, for color cathode ray tubes that generate stray emissions as measured by the first stray emission measuring device (3), withstand voltage selection is selected that allows the withstand voltage processing voltage to be stepped up while monitoring the occurrence of stray emissions. Processing device (withstand voltage treatment is performed by force, and the second stray emission device (4) is used in the same manner as the above-mentioned non-defective product.
Various characteristics are measured by the static property/dynamic property measuring device (5), and non-defective products are sent out in the direction of the arrow (6).
また第1のストレイエミッション測定装置(3)で良品
であシ、第2のストレイエミッション測定装置(4)で
ストレイエミツシ爾ンの発生するカラーブラウン管は耐
電圧処理装置(8)で更に耐電圧処理が行なわれ、第2
のストレイエミッション測定装置(4)静特性争動特性
測定装置(5)によシ各種特性が測定され良品は矢印(
6)方向に送夛出される。図におりて第2のストレイエ
ミッション測定装置(4)を設けたのは破線で示す特性
検査装置(9)にこの第2のストレイエミッション測定
装置(4)と静特性Φ動特性測定装置(5)が含首れて
いるためである。In addition, color cathode ray tubes that are judged to be non-defective by the first stray emission measuring device (3) and which generate stray emissions by the second stray emission measuring device (4) are further subjected to withstand voltage processing in the withstand voltage processing device (8). done, second
Various characteristics are measured by the stray emission measuring device (4) and the static characteristic and conflict characteristic measuring device (5).
6) is sent out in the direction. In the figure, the second stray emission measuring device (4) is installed in the characteristic testing device (9) shown by the broken line. ) is included.
次に第2図及び第3図によシ耐電圧選択処理装置(力の
概要を説明すると、耐電圧選択処理装置(7)はカラー
ブラウン管住υのアノードQ4に保護抵抗を介して第3
図のPOS。1乃至POS。5の波形0υ1.34(ハ
)0荀0!19と次第に耐電圧処理電圧をステップアッ
プすると共にストレイエミッション検査規定による定電
圧(至)を印加するととが可能な耐電圧処理電圧発生装
置Ia荀とパネル上に接して設けられたホトマルからな
るストレイエミッション検出装置u!9からの信号をフ
ィードバック電源Hを介して耐電圧処理電圧発生装置α
養にフィードバックしストレイエミッションがあれば次
第に印加電圧をPOS。1、POS、2゜POS、3、
POS、4、POS、5・・・と許容印加電圧まで上げ
るようになっている。Next, as shown in FIGS. 2 and 3, the withstand voltage selection processing device (7) is connected to the anode Q4 of the color cathode ray tube through a protective resistor.
Figure POS. 1 to POS. 5 waveform 0υ1.34 (c) 0荀0!19, the withstand voltage processing voltage generator Ia 荀 is capable of gradually stepping up the withstand voltage processing voltage and applying a constant voltage (up to) according to the stray emission inspection regulations. A stray emission detection device u! consisting of a photomultiply placed in contact with the panel. The signal from 9 is fed back to the withstand voltage processing voltage generator α via the power supply H.
If there is stray emission, the applied voltage is gradually increased to POS. 1, POS, 2゜POS, 3,
POS, 4, POS, 5, etc., the applied voltage is increased to the permissible voltage.
上述のように耐電圧選択処理装置を設けることにより特
性検査装置(9)において再処理を必要とするカラーブ
ラウン管の数が減少するし、また、ストレイエミッショ
ンが発生しなくなったのに耐電圧処理が続けられるカラ
ーブラウン管もなくなシ、その結果、耐電圧処理による
カラーブラウン管の不良をほとんどなくすことが可能と
なった。By providing the withstand voltage selection processing device as described above, the number of color cathode ray tubes that require reprocessing in the characteristic testing device (9) is reduced. There was no need to continue using color cathode ray tubes, and as a result, it became possible to almost eliminate defects in color cathode ray tubes due to voltage resistance treatment.
第1図乃至第3図は本発明のカラーブラウン管の耐電圧
処理方法を説明する図であ如第1図は各工程を示すブロ
ック図、第2図は耐電圧選択処理装置の簡略説明図、第
、3図はアノードに印加されるステップアップされる制
電圧処理′−圧の波形図である。
2.8・・・耐電圧処理装置 3.4・・・エミッシ
ョン検出装置5・・静特性。動特性検査装置1 to 3 are diagrams for explaining the withstand voltage processing method for color cathode ray tubes according to the present invention. FIG. 1 is a block diagram showing each step, and FIG. 2 is a simplified explanatory diagram of a withstand voltage selection processing device. FIGS. 3A and 3B are waveform diagrams of the stepped-up suppressing voltage processing pressure applied to the anode. 2.8... Voltage processing device 3.4... Emission detection device 5... Static characteristics. Dynamic property testing device
Claims (1)
る場合、前記多管種のカラーブラウン管に共通な耐電圧
処理を施したのち、ストレイエミッションヲ測定し、前
記ストレイエミッションが発生する前記カラーブラウン
管のみ、前記ストレイエミッションの発生を被視しなが
ら耐電圧処理電圧をステップアップして前記耐電圧処理
を再度行なうようにしたことを特徴とするカラーブラウ
ン管の耐電圧処理方法。When manufacturing multi-tube color CRTs on a series of production lines, the stray emissions are measured after the multi-tube color CRTs are subjected to a common withstand voltage treatment, and only the color CRTs where the stray emissions occur are measured. A withstand voltage processing method for a color cathode ray tube, characterized in that the withstand voltage processing voltage is stepped up and the withstand voltage processing is performed again while monitoring the occurrence of the stray emission.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12670282A JPS5918547A (en) | 1982-07-22 | 1982-07-22 | Withstand voltage treatment of color cathode-ray tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12670282A JPS5918547A (en) | 1982-07-22 | 1982-07-22 | Withstand voltage treatment of color cathode-ray tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5918547A true JPS5918547A (en) | 1984-01-30 |
Family
ID=14941730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12670282A Pending JPS5918547A (en) | 1982-07-22 | 1982-07-22 | Withstand voltage treatment of color cathode-ray tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5918547A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6638127B2 (en) * | 2001-02-12 | 2003-10-28 | Sony Corporation | Master cathode ray tube jig with LEDs simulating stray emissions for calibration of a stray emissions detection system and methods of making and using same |
-
1982
- 1982-07-22 JP JP12670282A patent/JPS5918547A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6638127B2 (en) * | 2001-02-12 | 2003-10-28 | Sony Corporation | Master cathode ray tube jig with LEDs simulating stray emissions for calibration of a stray emissions detection system and methods of making and using same |
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