JPS6226737A - Manufacture of fluorescent character display tube - Google Patents

Manufacture of fluorescent character display tube

Info

Publication number
JPS6226737A
JPS6226737A JP16520085A JP16520085A JPS6226737A JP S6226737 A JPS6226737 A JP S6226737A JP 16520085 A JP16520085 A JP 16520085A JP 16520085 A JP16520085 A JP 16520085A JP S6226737 A JPS6226737 A JP S6226737A
Authority
JP
Japan
Prior art keywords
anode
electrode
control electrode
substrate
pattern
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
JP16520085A
Other languages
Japanese (ja)
Inventor
Akinori Mizuno
水野 明徳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP16520085A priority Critical patent/JPS6226737A/en
Publication of JPS6226737A publication Critical patent/JPS6226737A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To simplify the manufacturing process by arranging a control electrode on control electrode substrate to form a control electrode assembly then adhering to an anode substrate arranged with anode electrode and forming anode pattern. CONSTITUTION:Anode electrode 2 is arranged on the anode substrate 1 then an adhesive layer 3 is provided except an anode pattern exposing section 2b. While a control electrode 5 and a protection layer 6 are provided on a control electrode board 4 having an anode pattern window section 4a. Then they are laminated and adhered and sticked with fluorescent material past through the window section 4a to form an anode pattern 7. Thereafter, the protection layer 6 is removed to expose the control electrode 5 and assembled together with a hot-cathode 8 into a face member 9 thus to form a fluorescent character display tube. When executing the control electrode forming process independently, the manufacturing process is simplified while the accuracy is improved.

Description

【発明の詳細な説明】 (技術分野) この発明は、蛍光表示管の製造方法に関する。[Detailed description of the invention] (Technical field) The present invention relates to a method for manufacturing a fluorescent display tube.

(従来の技術) 蛍光表示管は、一方向に一列又は複数列に配列形成され
た多数の陽極用電極に蛍光面からなる陽極パターンを形
成して、これを熱陰極とともに真空容器中に封入し、熱
陰極から熱電子を発生せしめる一方、表示されるべき情
報に応じて陽極用電極に選択的に正電圧を印加して、選
択された陽極用電極に熱電子を引き付け、この熱電子が
蛍光面に衝突する際に発する蛍光により、情報の表示を
行なうものであって、バーコード表示管や蛍光体ドツト
アレイ管として既によく知られている。
(Prior Art) In a fluorescent display tube, an anode pattern consisting of a fluorescent screen is formed on a large number of anode electrodes arranged in one or more rows in one direction, and this is sealed in a vacuum container together with a hot cathode. , while generating thermionic electrons from the hot cathode, selectively applying a positive voltage to the anode electrode according to the information to be displayed, the thermionic electrons are attracted to the selected anode electrode, and the thermionic electrons become fluorescent. Information is displayed by the fluorescence emitted when it collides with a surface, and it is already well known as a barcode display tube and a phosphor dot array tube.

先ず、第5図において、蛍光体ドツトアレイ管を例に挙
げて、蛍光表示管の概略を説明する。
First, referring to FIG. 5, an outline of a fluorescent display tube will be explained using a fluorescent dot array tube as an example.

第5図において、符号20は、ガラス、セラミック、樹
脂等からなる陽極用基板を示している。陽極用基板20
には、一連の陽極用電極21が基板の長手方向に列設さ
れていて、この陽極用電極21にはその個々に蛍光面か
らなる陽極パターン22が形成されている。なお、個々
の蛍光面のサイズは、40X40μM乃至50 X 5
0μボのように極めて微細なものであるが、図では蛍光
面の寸法を他の部材に比べて大きくして示しである。
In FIG. 5, reference numeral 20 indicates an anode substrate made of glass, ceramic, resin, or the like. Anode substrate 20
A series of anode electrodes 21 are arranged in a row in the longitudinal direction of the substrate, and an anode pattern 22 made of a fluorescent screen is formed on each of the anode electrodes 21. The size of each phosphor screen is 40 x 40 μM to 50 x 5
Although the phosphor screen is extremely small, such as a 0μ hole, the size of the phosphor screen is shown larger than the other members in the figure.

陽極用基板20の陽極パターンの配列の両側には、厚膜
絶縁層23.23が基板長手方向に沿って形成され、こ
れらの上には、制御電極24.24がそれぞれ形成され
ている。第5図において、符号25は、基板長手方向に
張り渡された熱陰極としてのタングステンワイヤを示し
、表面にBa5rO等の電子放射性物質を塗布されてい
る。また、符号26は、ガラス等からなる透明な材料で
形成されたフェイス部材であって、第6図に示すように
、陽極用基板側と一体化される。かくして、陽極用基板
20、厚膜絶縁層23,23、制御電極24,24.フ
ェイス部材26は、閉空間を形成し、この空間内には、
陽極用電極21、陽極パターン22、熱陰極25.25
が閉じ込められている。上記閉空間は高度に真空化され
ている。
On both sides of the anode pattern arrangement of the anode substrate 20, thick film insulating layers 23.23 are formed along the longitudinal direction of the substrate, and control electrodes 24.24 are formed on these, respectively. In FIG. 5, reference numeral 25 indicates a tungsten wire as a hot cathode stretched in the longitudinal direction of the substrate, the surface of which is coated with an electron emissive substance such as Ba5rO. Further, reference numeral 26 denotes a face member made of a transparent material such as glass, and as shown in FIG. 6, it is integrated with the anode substrate side. Thus, the anode substrate 20, the thick film insulating layers 23, 23, the control electrodes 24, 24 . The face member 26 forms a closed space, and within this space,
Anode electrode 21, anode pattern 22, hot cathode 25.25
is locked up. The closed space is highly evacuated.

制御電極24,24に適宜の電圧を印加しておいて、熱
陰極25.25に数10ミリアンペアの交流電流を通ず
ると、熱陰極25.25は、ジュール熱によって加熱さ
れ熱電子を放出する。かかる状態において、陽極用電極
21の一つに正電圧を印加してこれを正電位にすると、
上記熱電子は正電位の陽極用電極21の電極部に引き寄
せられ、該電極部に吸い込まれるとき陽極パターン22
の蛍光物質のエネルギー状態を励起させる。励起した蛍
光物質は、基底状態へ戻る際に蛍光を発する。この蛍光
はフェイス部材26を介してa察される。
When a suitable voltage is applied to the control electrodes 24, 24 and an alternating current of several tens of milliamps is passed through the hot cathode 25.25, the hot cathode 25.25 is heated by Joule heat and emits thermoelectrons. In such a state, if a positive voltage is applied to one of the anode electrodes 21 to make it a positive potential,
The thermoelectrons are attracted to the electrode portion of the anode electrode 21 having a positive potential, and when sucked into the electrode portion, the anode pattern 22
excites the energy state of the fluorescent substance. The excited fluorescent substance emits fluorescence when returning to the ground state. This fluorescence is detected through the face member 26.

そして、かかる蛍光体ドツトアレイ管は、光プリンタの
光学系の一部として、或いはバーコード表示管として用
いられる。
Such a phosphor dot array tube is used as a part of the optical system of an optical printer or as a bar code display tube.

従来、かかる蛍光表示管は、陽極用基板20上にフォト
エツチングにより短冊状の電極からなる陽極用電極21
を形成し、スクリーン印刷法によって、上記電極21の
一部を露出させて、上記電極を含む基板表面に厚膜用絶
縁ガラスからなる厚膜絶縁層23を形成しこれを焼成す
る。次いで、上記露出している電極の更に一部のみを露
出させて、上記電極を含んで基板表面をフォトレジスト
層で被覆する。そして、蛍光面形成工程で、上記基板を
、蛍光体粒子を分散させた分散液に対向電極と所定間隔
を置いて対峙させて浸漬し、陽極用電極と対向電極との
間に電圧を印加する。分散液中の蛍光体粒子は、両極間
に形成された電界によって陽極用電極に向けて移動し、
露出している電極部分に付着して陽極パターンを形成す
る。制御電極24は、蛍光面の形成後にフォトエツチン
グ等の適宜の方法により形成される。そして、各電極と
陽極パターンを形成された陽極用基板20は、フェース
部材26と一体化される。
Conventionally, such a fluorescent display tube has an anode electrode 21 formed of a strip-shaped electrode by photo-etching on an anode substrate 20.
A thick film insulating layer 23 made of thick film insulating glass is formed on the surface of the substrate including the electrode by exposing a part of the electrode 21 by a screen printing method, and then fired. Next, only a portion of the exposed electrode is exposed, and the surface of the substrate including the electrode is covered with a photoresist layer. Then, in the phosphor screen forming step, the substrate is immersed in a dispersion liquid in which phosphor particles are dispersed, facing the counter electrode at a predetermined distance, and a voltage is applied between the anode electrode and the counter electrode. . The phosphor particles in the dispersion are moved toward the anode electrode by the electric field formed between the two electrodes.
It adheres to the exposed electrode portion to form an anode pattern. The control electrode 24 is formed by an appropriate method such as photoetching after the phosphor screen is formed. Then, the anode substrate 20 on which each electrode and anode pattern are formed is integrated with the face member 26.

ところで、上述した製造方法においては、陽極用基板2
0は、陽極用電極21.厚膜絶縁層23.制御電極24
の各形成工程の全てを経なければならない。
By the way, in the manufacturing method described above, the anode substrate 2
0 is the anode electrode 21. Thick film insulation layer 23. Control electrode 24
must go through all of the forming steps.

換言すると、蛍光表示管の製造工程が長くなるという問
題点がある。また、電着法は、電着条件の設定が難しく
、蛍光面の形状や厚さのばらつき。
In other words, there is a problem that the manufacturing process of the fluorescent display tube becomes long. In addition, with the electrodeposition method, it is difficult to set the electrodeposition conditions, and the shape and thickness of the phosphor screen vary.

蛍光面ドツトのはみだし、ドツト間の繋がり等均−な陽
極パターンが形成し蓋いという問題点がある。
There are problems in that the phosphor screen dots protrude and the connections between the dots form a uniform anode pattern, resulting in a lid.

(目 的) 本発明の目的は、製造工程を簡略化すると共に安定した
陽極パターンの形成ができる蛍光表示管の製造方法の提
供にある。
(Objective) An object of the present invention is to provide a method for manufacturing a fluorescent display tube that simplifies the manufacturing process and can form a stable anode pattern.

(構 成) 本発明は、制御電極用基板に制御電極を形成し、この制
御電極を更に保護層で被覆し、陽極用電極の配列ピッチ
に合せた窓孔を形成した制御電極組立体を構成し、この
組立体を、陽極用電極を列設された陽極用基板に重合接
着して、上記窓孔を介して蛍光体粒子を陽極用電極に供
給し陽極パターンを形成したのち、上記保護層を除去す
ることを特徴とする。
(Structure) The present invention comprises a control electrode assembly in which a control electrode is formed on a control electrode substrate, this control electrode is further covered with a protective layer, and window holes are formed to match the arrangement pitch of the anode electrodes. This assembly is polymerized and adhered to an anode substrate on which anode electrodes are arranged in rows, and phosphor particles are supplied to the anode electrodes through the window holes to form an anode pattern. It is characterized by removing.

以下、本発明の詳細な説明する。The present invention will be explained in detail below.

第1図には、本発明の工程を示していて、陽極用基板上
に導電性材料からなる陽極用電極を少なくとも一列設け
る陽tJi泪電極形成工程と、制御電極を制御電極用基
板に形成する制御電極形成工程と制御電極を保護層で被
覆する保護層形成工程とがそれぞれ独立して実施され、
陽極用基板に接着層を形成したのち、上記両基板を接合
させて接着工程で両基板を接着し、陽極パターン形成工
程で陽極パターン(蛍光面)を形成し、上記保護層を除
去したのち、最終的な組立工程に進むようになっている
FIG. 1 shows the steps of the present invention, including a positive electrode forming step in which at least one row of anode electrodes made of a conductive material is provided on an anode substrate, and a control electrode forming step in which a control electrode is formed on the control electrode substrate. A control electrode forming step and a protective layer forming step of covering the control electrode with a protective layer are performed independently,
After forming an adhesive layer on the anode substrate, the two substrates are bonded together in an adhesion process, an anode pattern (phosphor screen) is formed in an anode pattern formation process, and the protective layer is removed. It is now ready for the final assembly process.

以下、各工程を詳細に説明する。Each step will be explained in detail below.

陽極用電極形成工程 第2図(1)に示す例えばガラス板からなる陽極用基板
1の一つの面に、同図(2)に符号2で示すように、ア
ルミニウムからなる陽極用電極をフォトエツチング法に
より形成する。この陽極用電極2は、その幅約50μm
の短冊状であって、相隣る電極の間隔約35μmで基板
長手方向に一列に形成され、各電極のリード部2aは一
つ置きに基板の左右側縁に引き出されている(第3図参
照)。
Anode electrode forming process: As shown in FIG. 2 (2), an anode electrode made of aluminum is photoetched onto one surface of the anode substrate 1 made of, for example, a glass plate, as shown in FIG. 2 (1). Formed by law. This anode electrode 2 has a width of approximately 50 μm.
They are strip-shaped and are formed in a line in the longitudinal direction of the substrate with an interval of about 35 μm between adjacent electrodes, and the lead portions 2a of each electrode are drawn out to the left and right side edges of the substrate at every other electrode (see Fig. 3). reference).

接着層形成工程 第2図(3)に示すように、陽極用電極2を含んで陽極
用基板1の両側に熱溶融ガラスからなる接着層3を電極
2の配列方向に沿って形成する。このとき、陽極用電極
2の中央部は露出部2bとして露出させられる。
Adhesive Layer Forming Step As shown in FIG. 2 (3), adhesive layers 3 made of hot melt glass are formed on both sides of the anode substrate 1 including the anode electrodes 2 along the direction in which the electrodes 2 are arranged. At this time, the central part of the anode electrode 2 is exposed as an exposed part 2b.

制御電極形成工程 第2図(a)に示すように、上記陽極用電極2の配列ピ
ッチと同じ配列ピッチ(第3図参照)の陽極パターン用
窓孔4aを形成された例えば鉛ガラスからなる絶縁性の
制御電極用基板4に、フォトエツチングにより第2図(
b)に示すように、メツシュ状の制御電極5を形成する
。この制御電極5にも、陽極パターン用窓孔4aと同ピ
ツチで同じ大きさの窓孔5aが形成されている。
Control electrode forming step As shown in FIG. 2(a), an insulator made of, for example, lead glass is formed with anode pattern window holes 4a having the same arrangement pitch as that of the anode electrodes 2 (see FIG. 3). The control electrode substrate 4 shown in FIG.
As shown in b), a mesh-like control electrode 5 is formed. This control electrode 5 is also formed with window holes 5a having the same pitch and size as the anode pattern window holes 4a.

第2図(C)に示すように、制御電極5上にその表面を
被覆する保護層6を形成する。これにより、制御電極組
立体Aが構成されたことになる。上記保護層6は、例え
ばフォトレジスト層であって、上記窓孔4a、5aと同
ピツチ、同サイズの窓孔6aが形成されている。陽極パ
ター’J 用7B 孔4 a 、 5 a 。
As shown in FIG. 2(C), a protective layer 6 is formed on the control electrode 5 to cover its surface. Thereby, the control electrode assembly A is constructed. The protective layer 6 is, for example, a photoresist layer, and has window holes 6a having the same pitch and size as the window holes 4a and 5a. 7B holes 4a, 5a for anode putter 'J.

6aは、後述する陽極パターンの大きさや配設ピッチを
規制するものである。
6a regulates the size and arrangement pitch of the anode pattern, which will be described later.

接着工程 この工程は、接着層3を形成された陽極用基板1と制御
電極組立体Aとを接着して基板組立体Bを構成する工程
である。
Bonding Step This step is a step of bonding the anode substrate 1 on which the adhesive layer 3 is formed and the control electrode assembly A to form the substrate assembly B.

第2図(4)に示すように、陽極用基板1の接着層3,
3上に制御電極組立体Aを載置し、これを焼成炉にて焼
成して接着層を溶融させて両者を互いに接着する。この
とき、制御電極組立体Aと陽極用基板1とは、第3図に
示す如く窓孔4a、5a。
As shown in FIG. 2 (4), the adhesive layer 3 of the anode substrate 1,
The control electrode assembly A is placed on top of the control electrode assembly A, and is fired in a firing furnace to melt the adhesive layer and bond them together. At this time, the control electrode assembly A and the anode substrate 1 have window holes 4a and 5a as shown in FIG.

6aと陽極用電極2の露出部2bが露呈するように、例
えば位置決めピンaと位置決め孔すの組合せからなる位
置決め手段によって、相互の位置を決めたのち互いに接
着される。
6a and the exposed portion 2b of the anode electrode 2 are exposed, for example, by a positioning means consisting of a combination of a positioning pin a and a positioning hole, the positions of the anode electrode 2 and the anode electrode 2 are determined, and then they are bonded to each other.

陽極パターン形成工程 この工程では、第2図(4)に示すように、構成さ−れ
た基板組立体Bの露出部2bに、窓孔6a、5a、4a
を介して、蛍光体粒子を含んだ蛍光体ペーストを付着さ
せて、第2図(5)に示すような陽極パターン7を形成
する。蛍光体ペーストは1例えばイソプロピルアルコー
ル((CH3L CHOH)からなる溶媒に、酸化亜鉛
蛍光体(Zn○: Zn)を分散させ、制御剤としての
硝酸アルミニウム(A1(N O3) a・9H20)
を溶解させたものをペースト状に成したものである。
Anode pattern forming step In this step, window holes 6a, 5a, 4a are formed in the exposed portion 2b of the constructed substrate assembly B, as shown in FIG.
A phosphor paste containing phosphor particles is deposited through the wafer to form an anode pattern 7 as shown in FIG. 2(5). The phosphor paste is made by dispersing zinc oxide phosphor (Zn○: Zn) in a solvent consisting of, for example, isopropyl alcohol ((CH3L CHOH)), and adding aluminum nitrate (A1(N O3) a.9H20) as a control agent.
It is made into a paste by dissolving it.

蛍光体ペーストは、図示されないノズル又は塗布ローラ
によって、基板長手方向に移動させられる基板組立体B
の窓孔に対して供給される。窓孔4a、5a、6aを周
壁とし露出部2bを底部とする凹部に供給された蛍光体
ペーストは、図示されないブラシ等のス々イズ部材によ
ってスクイズされてその厚さを均一化される。こののち
、蛍光体ペーストを乾燥させて液体成分を飛ばすと、残
った蛍光体粒子が、第2図(5)に示すように、陽極パ
ターン6を形成する。
The phosphor paste is moved in the longitudinal direction of the substrate by a nozzle or application roller (not shown) in the substrate assembly B.
supplied to the window hole. The phosphor paste supplied to the recesses having the window holes 4a, 5a, and 6a as peripheral walls and the exposed portion 2b as the bottom is squeezed by a squeezing member such as a brush (not shown) to make the thickness uniform. Thereafter, when the phosphor paste is dried and the liquid component is blown off, the remaining phosphor particles form an anode pattern 6 as shown in FIG. 2 (5).

保護層除去工程 第2図(5)に示す如く陽極パターン7を形成された基
板組立体Bから、第2図(6)に示すように、保護層6
を除去する。これにより、第4図にも示すように、制御
電極5が露呈される。保護層5の除去により、該保護層
表面に付着していた蛍光体粒子が除去され、相隣る陽極
パターン(ドツト)間が蛍光体粒子で繋がることがなく
なる。
Protective layer removal process From the substrate assembly B on which the anode pattern 7 is formed as shown in FIG. 2(5), the protective layer 6 is removed as shown in FIG. 2(6).
remove. As a result, the control electrode 5 is exposed, as also shown in FIG. By removing the protective layer 5, the phosphor particles adhering to the surface of the protective layer are removed, and adjacent anode patterns (dots) are no longer connected by the phosphor particles.

組立工程 第2図(6)に示す陽極パターン7を形成された基板組
立体Bを、同図(7)に示すように、熱陰極8.8を張
設したのち、透明な材料で形成されたフェイス部材9と
一体に組み立てる0以上で蛍光表示管10が製造された
ことになる。このとき、閉空間11は高度に真空化され
る。
Assembling process The substrate assembly B on which the anode pattern 7 shown in FIG. This means that the fluorescent display tube 10 has been manufactured by assembling the face member 9 integrally with the face member 9. At this time, the closed space 11 is highly evacuated.

(効 果) 以上のように、保護層で被覆した制御電極を形成する工
程を一連の工程から独立させて実行し、制御電極用基板
を陽極用基板に接着し、陽極パターン用窓孔を介して蛍
光体ペーストを供給して陽極パターンをしたのち保護層
を除去するよう成した本発明によれば、蛍光表示管の製
造工程を簡略化できると共に蛍光面からなる陽極パター
ンを所望のピッチ、サイズで形成することができる。蛍
光体ペーストを供給したのち保護層を除去するので、蛍
光体のはみだしやドツト間の繋がりがなくなる。
(Effects) As described above, the process of forming the control electrode covered with the protective layer is performed independently from the series of steps, the control electrode substrate is adhered to the anode substrate, and the control electrode is formed through the anode pattern window hole. According to the present invention, in which the protective layer is removed after the anode pattern is formed by supplying the phosphor paste using can be formed with. Since the protective layer is removed after the phosphor paste is supplied, there is no protrusion of the phosphor or connections between dots.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明にかかる蛍光表示管の製造方法の工程を
示す工程図、第2図は同上の具体例を断面図で示す工程
図、第3図は制御電極組立体と陽極用基板とを接着した
状態を示す部分平面図、第4図は保護膜除去後の基板組
立体を部分的に示す平面図、第5図は蛍光表示管の一例
としての蛍光体ドツトアレイ管を示す分解斜視図、第6
図は同上の断面図である。 1・・・陽極用基板、2・・・陽極用電極、3・・・接
着層、4・・・制御電極用基板、5・・・制御電極、6
・・・保護膜、4a、5a、6a・・・陽極パターン用
窓孔。 7・・・陽極パターン、9・・・フェース部材、lO・
・・蛍光表示管、A・・・制御電極組立体、B・・・基
板組立体。 愁5 図 幣6図
FIG. 1 is a process diagram showing the steps of the method for manufacturing a fluorescent display tube according to the present invention, FIG. 2 is a process diagram showing a specific example of the same as a cross-sectional view, and FIG. 3 is a process diagram showing a control electrode assembly and an anode substrate. FIG. 4 is a plan view partially showing the substrate assembly after the protective film has been removed, and FIG. 5 is an exploded perspective view showing a phosphor dot array tube as an example of a fluorescent display tube. , 6th
The figure is a sectional view of the same as above. DESCRIPTION OF SYMBOLS 1... Substrate for anode, 2... Electrode for anode, 3... Adhesive layer, 4... Substrate for control electrode, 5... Control electrode, 6
...Protective film, 4a, 5a, 6a... Window hole for anode pattern. 7...Anode pattern, 9...Face member, lO・
... Fluorescent display tube, A... Control electrode assembly, B... Substrate assembly. Shuu 5 Illustration 6

Claims (1)

【特許請求の範囲】 陽極用基板上に設けられた陽極用電極と、これに形成さ
れた蛍光面からなる陽極パターンと、上記陽極用電極と
絶縁された制御電極を有する蛍光表示管において、 陽極用電極形成工程で、陽極用基板上に導電性材料から
なる陽極用電極を所定ピッチで列設し、接着層形成工程
で、上記陽極用電極を含む基板表面に、電極の配列方向
に沿って上記陽極用電極の一部を露出させて接着層を形
成し、 一方、制御電極形成工程で、上記陽極用電極の配列ピッ
チと同じ配列ピッチで形成されたドット状の陽極パター
ン用窓孔を有する絶縁性の制御電極用基板上に、上記陽
極パターン用窓孔と同じ配列ピッチの窓孔を有する導電
性材料からなる制御電極を設け、更にこの制御電極の上
に、上記窓孔を除いた表面を被覆する保護層を形成して
制御電極組立体を構成し、 上記陽極用電極の露出部を上記陽極パターン用窓孔に対
応させて、上記陽極用基板に上記制御電極組立体を重合
してこれらを互いに接着し、陽極パターン形成工程で、
蛍光体粒子を含む蛍光体ペーストを、上記制御電極組立
体の窓孔を介して、上記陽極用電極の露出部に供給し、
上記陽極用電極に蛍光体粒子を付着させて陽極パターン
を形成し、 保護層除去工程で、上記保護層を除去して上記制御電極
を露出させる ことを特徴とする蛍光表示管の製造方法。
[Scope of Claim] A fluorescent display tube having an anode electrode provided on an anode substrate, an anode pattern formed on the anode pattern consisting of a fluorescent screen, and a control electrode insulated from the anode electrode, comprising: In the electrode formation step, anode electrodes made of conductive material are arranged in rows at a predetermined pitch on the anode substrate, and in the adhesive layer formation step, anode electrodes made of conductive material are arranged on the anode substrate surface along the electrode arrangement direction. A part of the anode electrode is exposed to form an adhesive layer, and a dot-shaped anode pattern window hole is formed in the control electrode forming step at the same arrangement pitch as the anode electrode. A control electrode made of a conductive material having window holes arranged at the same pitch as the window holes for the anode pattern is provided on an insulating control electrode substrate, and a surface other than the window holes is placed on the control electrode. a control electrode assembly is formed by forming a protective layer covering the anode, and polymerizing the control electrode assembly on the anode substrate with the exposed portion of the anode electrode corresponding to the anode pattern window hole. These are glued together and in the anode pattern forming process,
supplying a phosphor paste containing phosphor particles to the exposed portion of the anode electrode through the window hole of the control electrode assembly;
A method for manufacturing a fluorescent display tube, comprising: attaching phosphor particles to the anode electrode to form an anode pattern; and removing the protective layer to expose the control electrode in a protective layer removal step.
JP16520085A 1985-07-26 1985-07-26 Manufacture of fluorescent character display tube Pending JPS6226737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16520085A JPS6226737A (en) 1985-07-26 1985-07-26 Manufacture of fluorescent character display tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16520085A JPS6226737A (en) 1985-07-26 1985-07-26 Manufacture of fluorescent character display tube

Publications (1)

Publication Number Publication Date
JPS6226737A true JPS6226737A (en) 1987-02-04

Family

ID=15807736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16520085A Pending JPS6226737A (en) 1985-07-26 1985-07-26 Manufacture of fluorescent character display tube

Country Status (1)

Country Link
JP (1) JPS6226737A (en)

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