JPH0421294B2 - - Google Patents
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- Publication number
- JPH0421294B2 JPH0421294B2 JP60062396A JP6239685A JPH0421294B2 JP H0421294 B2 JPH0421294 B2 JP H0421294B2 JP 60062396 A JP60062396 A JP 60062396A JP 6239685 A JP6239685 A JP 6239685A JP H0421294 B2 JPH0421294 B2 JP H0421294B2
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- JP
- Japan
- Prior art keywords
- alloy
- sealing
- layer
- oxide film
- alloy plate
- 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.)
- Expired - Lifetime
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- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、封着用Fe合金板、特にデイスプ
レイ等の表示管用電極等に使用される封着用合金
板に係り、電極等の作製時における不要の酸化被
膜の除去工程が省略できる封着用複合合金に関す
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to an Fe alloy plate for sealing, particularly an alloy plate for sealing used for electrodes for display tubes, etc. The present invention relates to a composite alloy for sealing which allows the process of removing a film to be omitted.
従来の技術
一般に、デイスプレイ等の表示管用電極に使用
される封着用合金は、
その熱膨脹係数が軟質ガラスの熱膨脹係数と
近似すること、
酸化被膜の素地との密着性が良好なること
打抜き性、加工性のすぐれていること、
等の特性を満足することが要求され、現在、封着
用Fe合金としては、15〜30Cr−Fe合金や、40〜
48Ni−４〜8Cr−Fe合金が使用されている。Conventional technology In general, sealing alloys used for electrodes for display tubes, etc., have a coefficient of thermal expansion that is close to that of soft glass, and an oxide film that has good adhesion to the base material.Dampability and processing. Currently, Fe alloys for sealing include 15~30Cr-Fe alloy and 40~30Cr-Fe alloy.
48Ni-4 to 8Cr-Fe alloys are used.
この封着用Fe合金は、所要板厚に圧延したの
ち、所要寸法、形状に打抜き加工またはエツチン
グ加工後、例えば、表示管用電極を作製する場合
は、表示管のガラス部に封着されるリード部に、
ガラスとの密着性を改善するために、封着用Fe
合金板に、露点＋10℃〜＋40℃の湿潤H2雰囲気
中で、1000℃〜1250℃の予備酸化被膜処理を施し
ていた。 This Fe alloy for sealing is rolled to the required thickness and then punched or etched into the required dimensions and shape. To,
Fe for sealing to improve adhesion with glass.
The alloy plate had been subjected to a preliminary oxide coating treatment at 1000°C to 1250°C in a humid H2 atmosphere with a dew point of +10°C to +40°C.
発明が解決しようとする課題
前記予備酸化被膜処理により、封着用Fe合金
板の全面に酸化被膜が形成され、不要となる封入
側リード部及び外部リード部表面の酸化被膜を除
去するため切削加工する必要がある。Problem to be Solved by the Invention An oxide film is formed on the entire surface of the sealing Fe alloy plate through the preliminary oxide film treatment, and cutting is performed to remove the unnecessary oxide film on the surfaces of the encapsulating side lead part and the external lead part. There is a need.
しかし、上記の合金板は極薄厚みであり、かつ
酸化被膜の組織が緻密で強固に被着していること
から、その切削加工には多大の工程と時間を要し
ていた。 However, since the above-mentioned alloy plate is extremely thin and the oxide film has a dense structure and is firmly adhered, cutting the alloy plate requires a large amount of process and time.
この発明は、デイスプレイ等の表示管用電極、
あるいはブラウン管用支持板等に使用される封着
用合金板の提供を目的とし、電極等の作製時にお
ける不要酸化被膜の除去工程が省略できる封着用
複合合金板の提供を目的としている。 This invention relates to electrodes for display tubes such as displays,
Alternatively, the present invention aims to provide a sealing alloy plate for use in support plates for cathode ray tubes, etc., and to provide a sealing composite alloy plate that can omit the step of removing unnecessary oxide films during the production of electrodes and the like.
課題を解決するための手段
この発明は、
Cr含有封着用Fe合金板の両主面に、Fe−30〜
55％Ni合金層またはNi層を設けたことを特徴と
する封着用複合合金である。Means for Solving the Problems This invention provides Fe-30 to
This is a composite alloy for sealing characterized by having a 55% Ni alloy layer or a Ni layer.
作 用
作用効果
この発明による封着用複合合金は、封着を行な
う所要箇所の該複合合金板表面のFe−30〜55％
Ni合金層またはNi層を除去し、ついでガラスと
の密着性改善のための予備酸化被膜処理を施すこ
とにより、露出している所要のCr含有封着合金
部分のみに酸化被膜が形成されるため、従来不可
避であつた酸化被膜の除去や不要部分の切削加工
工程が省略でき、封着材料の製造工程の削減、簡
略化並びにコストの低減に多大の効果を有する。Functions and Effects The composite alloy for sealing according to the present invention has an Fe-30 to 55% Fe-30 to 55% of the surface of the composite alloy plate at the required locations for sealing.
By removing the Ni alloy layer or Ni layer and then applying a preliminary oxide coating treatment to improve adhesion to glass, an oxide coating is formed only on the exposed Cr-containing sealing alloy parts. The process of removing an oxide film and cutting unnecessary parts, which were conventionally unavoidable, can be omitted, and this has a great effect on reducing and simplifying the manufacturing process of the sealing material and reducing costs.
したがつて、用途、使用目的などに応じて、こ
の発明による封着用複合合金の片面あるいは両面
の所要箇所のCr含有封着用Fe合金表面を露出さ
せるように、例えば、フオトエツチング等の部分
除去加工の方法によつて、該複合合金表面に被膜
したFe−30〜55％Ni合金層またはNi層を除去す
ればよく、容易に所要箇所、数の酸化被膜を有す
る封着材料を製造できる利点がある。 Therefore, depending on the application, purpose of use, etc., partial removal processing such as photo etching may be performed to expose the Cr-containing Fe alloy surface for sealing at required locations on one or both sides of the composite alloy for sealing according to the present invention. This method has the advantage that the Fe-30 to 55% Ni alloy layer or Ni layer coated on the surface of the composite alloy can be removed, and a sealing material having the required number of oxide films at the required locations can be easily manufactured. be.
また、所要の酸化被膜を設けたのちに、表面に
残存するFe−30〜55％Ni合金層またはNi層を除
去するには、例えば、表面層材質に応じた酸溶液
などに浸漬すれば、容易に除去でき、他のめつき
層やパターン等を設ける等の次工程に悪影響など
を及ぼすことがない利点もある。 In addition, in order to remove the Fe-30-55% Ni alloy layer or Ni layer remaining on the surface after forming the required oxide film, for example, by immersing it in an acid solution depending on the surface layer material. It also has the advantage that it can be easily removed and does not adversely affect subsequent steps such as providing other plating layers, patterns, etc.
好ましい態様
この発明において、芯材となるCr含有封着用
Fe合金板としては、15％〜30％Cr−Fe合金板、
40％〜48％Ni−４％〜８％Cr−Fe合金板が適し
ている。Preferred embodiment In this invention, a Cr-containing sealing material serving as a core material
Fe alloy plates include 15% to 30% Cr-Fe alloy plates,
A 40% to 48% Ni-4% to 8% Cr-Fe alloy plate is suitable.
このCr含有封着用Fe合金板の両主面に設ける
金属層または合金層の材料には、熱膨脹係数、熱
伝導度の整合性やコストの面からFe−30％〜55
％Ni合金板、Niを目的や用途に応じて適宜選択
すればよい。 The material of the metal layer or alloy layer provided on both main surfaces of this Cr-containing Fe alloy plate for sealing has a Fe-30% to 55%
%Ni alloy plate and Ni may be appropriately selected depending on the purpose and use.
また、Fe−30〜55％Ni合金層またはNi層の被
着方法は、圧延クラツド法、めつき法など、芯材
材質や表面層材質に応じて種々の方法が適用でき
る。また、Fe−30〜55％Ni合金層の厚みは、後
工程で除去するためできるだけ薄膜層とするのが
好ましい。 In addition, various methods can be used to deposit the Fe-30 to 55% Ni alloy layer or the Ni layer depending on the core material and surface layer material, such as rolling cladding method and plating method. Further, the thickness of the Fe-30 to 55% Ni alloy layer is preferably as thin as possible since it will be removed in a later process.
この発明において、15％〜30％Cr−Fe合金板、
40％〜48Ni−４％〜８％Cr−Fe合金板を用いる
理由は、以下のとおりである。 In this invention, 15% to 30% Cr-Fe alloy plate,
The reason for using the 40% to 48Ni-4% to 8% Cr-Fe alloy plate is as follows.
15％〜30％Cr−Fe合金において、Crは15wt％
未満では熱膨脹係数が大きくなり、軟質ガラスの
熱膨脹係数との差が大きくなりすぎ好ましくな
く、30wt％を越えると加工性が劣化し、所定形
状に成形困難となるため、Crは15wt％から30wt
％とする。 In 15%~30%Cr-Fe alloy, Cr is 15wt%
If it is less than 30wt%, the coefficient of thermal expansion becomes large and the difference with the coefficient of thermal expansion of soft glass becomes too large, which is undesirable.If it exceeds 30wt%, the workability deteriorates and it becomes difficult to form into the desired shape.
%.
また、40％〜48Ni−４％〜８％Cr−Fe合金に
おいて、Niが40wt％未満では熱膨脹係数が小さ
くなり、軟質ガラスの熱膨脹係数との差が大きく
なりすぎてガラス封着が困難となり、48wt％を
越えると熱膨脹係数が大きくなり、軟質ガラスの
熱膨脹係数との差が大きくなりすぎ好ましくな
く、Crが4wt％未満では熱膨脹係数が小さくな
り、軟質ガラスの熱膨脹係数との差が大きくなり
すぎると共に酸化被膜の合金素地との密着性が悪
くなり、8wt％を越えると熱膨脹係数が大きくな
り、軟質ガラスの熱膨脹係数との差が大きくなり
すぎ好ましくない。 In addition, in a 40% to 48Ni-4% to 8% Cr-Fe alloy, if Ni is less than 40wt%, the coefficient of thermal expansion becomes small, and the difference with the coefficient of thermal expansion of soft glass becomes too large, making glass sealing difficult. If it exceeds 48wt%, the coefficient of thermal expansion becomes large, and the difference with the coefficient of thermal expansion of soft glass becomes too large, which is undesirable.If the content of Cr is less than 4wt%, the coefficient of thermal expansion becomes small, and the difference with the coefficient of thermal expansion of soft glass becomes too large. At the same time, the adhesion of the oxide film to the alloy base deteriorates, and if it exceeds 8 wt%, the coefficient of thermal expansion increases and the difference with the coefficient of thermal expansion of soft glass becomes too large, which is not preferable.
また、上記いずれの封着用Fe合金においても、
熱間、冷間加工性を改善するため、Si、Mnの含
有は、それぞれ0.005wt％〜1.0wt％の含有が望ま
しく、酸化被膜との密着性を向上させるため、
Al、Zr、Ti、Ｙあるいは希土類元素のうち少な
くとも１種を0.005wt％〜1.0wt％含有するのもよ
い。 In addition, in any of the above Fe alloys for sealing,
In order to improve hot and cold workability, the content of Si and Mn is preferably 0.005wt% to 1.0wt% each, and in order to improve adhesion with the oxide film,
It is also good to contain 0.005wt% to 1.0wt% of at least one of Al, Zr, Ti, Y, or rare earth elements.
図面に基づく発明の開示
第１図と第２図はこの発明による封着用複合合
金を使用した表示管用電極の製造方法を示す説明
図である。DISCLOSURE OF THE INVENTION BASED ON DRAWINGS FIGS. 1 and 2 are explanatory diagrams showing a method of manufacturing an electrode for a display tube using a composite alloy for sealing according to the present invention.
表示管用電極を作製する場合は、所要寸法の
Cr含有封着用Fe合金板１の両主面に、予備酸化
被膜処理による酸化被膜を生成しない金属層また
は合金層としてFe−30〜55％Ni合金層またはNi
層２を、圧延クラツド法やめつき法などの手段で
被着させて封着用複合合金板となしたのち、必要
とする寸法形状に、打抜き加工あるいはエツチン
グ加工する。 When making electrodes for display tubes, the required dimensions are
A Fe-30 to 55% Ni alloy layer or Ni is applied as a metal layer or alloy layer that does not form an oxide film by preliminary oxidation film treatment on both main surfaces of the Cr-containing Fe alloy plate 1 for sealing.
Layer 2 is applied by rolling cladding or plating to form a composite alloy plate for sealing, and then punched or etched into the required dimensions and shape.
さらに、ガラスと封着する所要箇所のFe−30
〜55％Ni合金層またはNi層２を除去すべく、封
着リード部相当部分を、スクリーン印刷法、フオ
トエツチング法等により、部分エツチングして芯
材のCr含有封着用Fe合金１を露出させる。 In addition, Fe-30 is added to the required areas to be sealed to the glass.
In order to remove the ~55% Ni alloy layer or Ni layer 2, the portion corresponding to the sealing lead part is partially etched by screen printing, photo etching, etc. to expose the Cr-containing sealing Fe alloy 1 of the core material. .
ついで、Cr含有封着用Fe合金板１表面に被着
したFe−30％〜55％Ni合金またはNi層２は、露
点＋10℃〜＋40℃の湿潤H2雰囲気中で、1000℃
〜1250℃の予備酸化被膜処理を施されても酸化被
膜が形成されず、これを除去した封着リード部と
なるCr含有封着用Fe合金板１表面にのみ、厚み
1μm〜5μmの酸化被膜３が形成される。 Next, the Fe-30% to 55% Ni alloy or Ni layer 2 deposited on the surface of the Cr-containing sealing Fe alloy plate 1 is heated to 1000°C in a humid H 2 atmosphere with a dew point of +10°C to +40°C.
Even after preliminary oxide film treatment at ~1250°C, no oxide film was formed, and only on the surface of the Cr-containing sealing Fe alloy plate 1, which will become the sealing lead from which this film was removed, the thickness was reduced.
An oxide film 3 of 1 μm to 5 μm is formed.
Cr含有封着用Fe合金板１の所要箇所に酸化被
膜３を設けたのちに、表面に残存するFe−30〜
55％Ni合金層またはNi層２を除去するには、そ
の材質に応じた酸溶液などに板全体を浸漬すれ
ば、Fe−30〜55％Ni合金層またはNi層２を容易
に溶解除去できる。 After providing the oxide film 3 at the required locations of the Cr-containing Fe alloy plate 1 for sealing, the Fe-30~ remaining on the surface
To remove the 55% Ni alloy layer or Ni layer 2, the Fe-30~55% Ni alloy layer or Ni layer 2 can be easily dissolved and removed by immersing the entire plate in an acid solution depending on the material. .
この酸化被膜３が生成被着したCr含有封着用
Fe合金板１部にガラス４が封着される。 This oxide film 3 is formed and adhered to the Cr-containing sealant.
Glass 4 is sealed to one part of the Fe alloy plate.
また、第２図に示す如く、封着用複合合金のガ
ラス封着部相当表面のFe−30〜55％Ni合金層ま
たはNi層２を酸洗等で除去したのち、プレス加
工で所要形状になし、予備酸化被膜処理を行な
い、表面のFe−30〜55％Ni合金層またはNi層２
を除去することなく、ガラス容器５にて封着する
こともできる。 In addition, as shown in Figure 2, after removing the Fe-30~55%Ni alloy layer or Ni layer 2 on the surface corresponding to the glass sealing part of the composite alloy for sealing by pickling, etc., it is pressed into the desired shape. , perform preliminary oxidation coating treatment to form Fe-30~55%Ni alloy layer or Ni layer 2 on the surface.
It is also possible to seal the glass container 5 without removing it.
実施例
実施例 １
板厚0.1mm×幅100mm寸法のCr18wt％−Feの封
着用Fe合金の両主面に、冷間圧接法にて板厚0.05
mm×幅100mm寸法のNi42wt％−Feの合金層を形
成し、この発明による封着用複合合金を得た。Examples Example 1 A plate thickness of 0.05 mm was applied to both main surfaces of a Cr18wt%-Fe sealing Fe alloy with plate thickness of 0.1 mm x width of 100 mm using a cold pressure welding method.
A Ni42wt%-Fe alloy layer having dimensions of mm×width 100 mm was formed to obtain a composite alloy for sealing according to the present invention.
つぎに、この封着用複合合金板を、リード部長
さ70mm、リード部幅2.0mm、リード部ピツチ3.0
mm、リード部10条、一方側に幅30mmのリード連結
部を有する形状に打抜き加工し、さらに、フオト
エツチング法にて部分エツチングし、素材の両面
にそれぞれ１条のCr18wt％−Fe封着合金の露出
面を設けた。 Next, this composite alloy plate for sealing was prepared with a lead part length of 70 mm, a lead part width of 2.0 mm, and a lead part pitch of 3.0 mm.
The material is punched into a shape with 10 threads on the lead part and a lead connection part with a width of 30mm on one side, and then partially etched using the photo etching method, and one thread on each side of the material is made of Cr18wt%-Fe sealing alloy. An exposed surface was provided.
つぎに、露点＋30℃の湿潤H2雰囲気中で、
1150℃、１時間の予備酸化被膜処理を施し、上記
の露出面に厚み3μmのCr酸化物を主体とした酸
化被膜を設けた。 Next, in a humid H2 atmosphere with a dew point of +30°C,
Preliminary oxide film treatment was performed at 1150°C for 1 hour to provide a 3 μm thick oxide film mainly composed of Cr oxide on the exposed surface.
さらに、加工材を塩化第二鉄溶液中に浸漬し、
表面の金属層または合金層を溶解除去し、所要箇
所にのみ酸化被膜を設けた表示管用電極素材を得
た。 Furthermore, the processed material is immersed in a ferric chloride solution,
The metal layer or alloy layer on the surface was dissolved and removed to obtain an electrode material for a display tube with an oxide film provided only at required locations.
実施例 ２
板厚0.15mmのNi42wt％−Cr6wt％−Feの封着
用Fe合金の両主面に、冷間圧接法にて、板厚0.05
mmのNi合金層を形成し、この発明による封着用
複合合金を得た。Example 2 A sheet with a thickness of 0.05mm was applied to both main surfaces of a Ni42wt%-Cr6wt%-Fe sealing Fe alloy with a thickness of 0.15mm using a cold pressure welding method.
A Ni alloy layer having a thickness of mm was formed to obtain a composite alloy for sealing according to the present invention.
つぎに、フオトエツチング法にて部分エツチン
グし、素材の両主面にそれぞれ端より10mm位置に
幅５mmのNi層を酸洗で除去し、２条のNi42wt％
−Cr6wt％−Fe封着合金の露出面を設けた。 Next, partial etching was performed using the photo etching method, and a 5 mm wide Ni layer was removed by pickling at a position of 10 mm from the edge on both main surfaces of the material, and two strips of Ni42wt% were removed.
An exposed surface of -Cr6wt%-Fe sealing alloy was provided.
その後第２図ｂ図の如く、所要形状に打抜き加
工し、さらに、露点＋30℃の湿潤H2雰囲気中で、
1100℃、0.5時間の予備酸化被膜処理を施した。 After that, as shown in Figure 2b, it is punched into the desired shape, and then in a humid H2 atmosphere with a dew point of +30℃.
A preliminary oxidation coating treatment was performed at 1100°C for 0.5 hours.
その結果、Cr含有封着合金表面にのみ、厚み
2μmのCr酸化物を主体とした酸化被膜が形成さ
れた。 As a result, the thickness increases only on the surface of the Cr-containing sealing alloy.
A 2 μm thick oxide film consisting mainly of Cr oxide was formed.
酸化被膜部分に低融点ガラスペーストを塗布
し、ガラス容器にて素材を両面から挟み、窒素ガ
ス雰囲気中で500℃、10分間加熱して封着を完了
した。 A low-melting glass paste was applied to the oxide film, the material was sandwiched from both sides between glass containers, and the material was heated at 500°C for 10 minutes in a nitrogen gas atmosphere to complete the sealing.
封入側に酸化被膜がないため、この発明では、
封着部にのみ厚い酸化被膜を設けることができ、
封着強度が著しく向上した。 Since there is no oxide film on the encapsulating side, in this invention,
A thick oxide film can be provided only on the sealing area,
Sealing strength was significantly improved.
発明の効果
実施例に明らかな如く、所要のCr含有封着用
Fe合金板部分のみに酸化被膜が形成されるため、
従来不可避であつた外部リード部及び封入側リー
ド部表面の酸化被膜の除去工程が不要となり、表
示管電極の製造工程の削減、簡素化、コスト低減
に極めて有効である。Effects of the invention As is clear from the examples, the required Cr-containing sealing
Since an oxide film is formed only on the Fe alloy plate part,
The process of removing the oxide film on the surfaces of the external lead part and the encapsulating lead part, which was conventionally unavoidable, is no longer necessary, and this is extremely effective in reducing, simplifying, and reducing the manufacturing process of display tube electrodes.
また、従来は封入側の酸化被膜は、内部電極間
に高電圧をかけて封入ガスをイオン化し、そのイ
オン放射により酸化膜を除去するため、厚い酸化
被膜は除去できず、薄い酸化被膜を設ける必要が
あり、封着強度低下を招来していたが、この発明
では厚い酸化被膜を設けることができ、封着強度
の向上が著しく、また酸化被膜の厚み調整も可能
である。 In addition, conventionally, the oxide film on the encapsulation side was removed by applying a high voltage between internal electrodes to ionize the encapsulated gas and using the ion radiation to remove the oxide film, so a thick oxide film could not be removed and a thin oxide film was created. However, in the present invention, a thick oxide film can be provided, the sealing strength is significantly improved, and the thickness of the oxide film can be adjusted.
第１図ａ〜ｆと第２図ａ〜ｃはこの発明による
封着用複合合金を使用した表示管用電極の製造工
程を示す説明図である。
１…Cr含有封着用Fe合金板、２…Fe−30〜55
％Ni合金層またはNi層、３…酸化被膜、４…ガ
ラス、５…ガラス容器。
FIGS. 1 a to 1 f and 2 a to 2 c are explanatory diagrams showing the manufacturing process of an electrode for a display tube using the composite alloy for sealing according to the present invention. 1...Cr-containing Fe alloy plate for sealing, 2...Fe-30~55
%Ni alloy layer or Ni layer, 3... Oxide film, 4... Glass, 5... Glass container.
Claims (1)
〜55％Ni合金層またはNi層を設けたことを特徴
とする封着用複合合金。1 Fe−30 on both main surfaces of the Cr-containing Fe alloy plate for sealing.
A composite alloy for sealing characterized by providing a ~55% Ni alloy layer or Ni layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60062396A JPS61220238A (en) | 1985-03-26 | 1985-03-26 | Composite alloy for sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60062396A JPS61220238A (en) | 1985-03-26 | 1985-03-26 | Composite alloy for sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61220238A JPS61220238A (en) | 1986-09-30 |
| JPH0421294B2 true JPH0421294B2 (en) | 1992-04-09 |
Family
ID=13198929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60062396A Granted JPS61220238A (en) | 1985-03-26 | 1985-03-26 | Composite alloy for sealing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61220238A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5074963A (en) * | 1973-11-02 | 1975-06-19 | ||
| JPS5894249U (en) * | 1981-11-28 | 1983-06-25 | 伊勢電子工業株式会社 | Fluorescent display tube lead pin mounting structure |
-
1985
- 1985-03-26 JP JP60062396A patent/JPS61220238A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61220238A (en) | 1986-09-30 |
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