EP0719873B1 - Verfahren zur Herstellung einer Schattenmaske aus einer Eisen-Nickel Legierung - Google Patents

Verfahren zur Herstellung einer Schattenmaske aus einer Eisen-Nickel Legierung Download PDF

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Publication number
EP0719873B1
EP0719873B1 EP95402753A EP95402753A EP0719873B1 EP 0719873 B1 EP0719873 B1 EP 0719873B1 EP 95402753 A EP95402753 A EP 95402753A EP 95402753 A EP95402753 A EP 95402753A EP 0719873 B1 EP0719873 B1 EP 0719873B1
Authority
EP
European Patent Office
Prior art keywords
iron
nickel alloy
shadow mask
chemical composition
weight
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
Application number
EP95402753A
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English (en)
French (fr)
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EP0719873A1 (de
Inventor
Jacques Baudry
Michel Faral
Jean-Francois Tiers
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.)
Aperam Stainless Precision SAS
Original Assignee
Imphy Ugine Precision SA
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 Imphy Ugine Precision SA filed Critical Imphy Ugine Precision SA
Publication of EP0719873A1 publication Critical patent/EP0719873A1/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/20—Luminescent screens characterised by the luminescent material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local etching
    • 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni

Definitions

  • the invention relates to the manufacture of a shadow mask in Iron / Nickel alloy for color display cathode ray tube.
  • a color display cathode ray tube includes generally an envelope with a glass viewing window comprising a display screen on which are arranged phosphors in red, green and blue.
  • a shadow mask or "Shadow mask” pierced with a very large number of small holes is mounted in the tube, next to the display screen and at a short distance from it.
  • three electron beams are generated inside of it by three electron guns, the beams of electrons pass through the holes in the shadow mask and come bomb the phosphorescent areas.
  • the relative positions of the holes and the phosphors are such that each electron beam bombards the areas phosphorescent corresponding to a particular color to form a picture.
  • Cobalt is a very expensive element
  • an Fe-Ni alloy has been proposed for a shadow mask, the chemical composition of which comprises, by weight, from 34% to 38% of nickel, from 0.01% to 0.09 % is silicon, from 0.002% to 0.02% of aluminum, from 0.0002% to 0.002% of calcium, from 0.0003% to 0.002% of magnesium, the rest being iron and impurities.
  • This alloy has a coefficient of thermal expansion less than 2x10 -6 / K.
  • the aim of the present invention is to propose a method for manufacturing a shadow mask made of an Iron / Nickel alloy containing no or very little Cobalt, having a coefficient of linear expansion less than 0.9 ⁇ 10 -6 / o K and easy to laminate.
  • the chemical composition must be chosen so that: If ⁇ 0.08% Cr ⁇ 0.07% Cu ⁇ 0.05% Mo ⁇ 0.05% Mn ⁇ 0.05% O ⁇ 0.005% N ⁇ 0.003% S ⁇ 0.0005% C ⁇ 0.005% B ⁇ 0.0004%
  • the nickel content must be between 35.9% and 36.2%.
  • the heat treatment must be carried out by a maintaining at a temperature between 750 ° C and 850 ° C, in a non-oxidizing atmosphere.
  • the invention also relates to a shadow mask made of an Iron / Nickel alloy having a coefficient of linear expansion between 20 ° C and 100 ° C less than 0.9x10 -6 o K, and preferably less than 0.8x10 -6 o K in which, the chemical composition of the Iron / Nickel alloy includes by weight: 35.5% ⁇ Ni ⁇ 37% Co ⁇ 0.5% Cr ⁇ 0.1% Cu ⁇ 0.1% Mo ⁇ 0.1% V ⁇ 0.1% Nb ⁇ 0.1% Mn ⁇ 0.1% 0.03% ⁇ If ⁇ 0.15% S ⁇ 0.001% 0.0001% ⁇ Ca ⁇ 0.002% 0.0001% ⁇ Mg ⁇ 0.002% Al ⁇ 0.005% O ⁇ 0.01% C ⁇ 0.02% N ⁇ 0.005% P ⁇ 0.003% H ⁇ 0.001% B ⁇ 0.001%
  • the grain of the Iron / Nickel alloy has a size measured according to standard ASTM E112-88, 12.4 greater to the ASTM 7 index.
  • the chemical composition of the Iron / Nickel alloy constituting the shadow mask is such that: If ⁇ 0.08% Cr ⁇ 0.07% Cu ⁇ 0.05% Mo ⁇ 0.05% Mn ⁇ 0.05% O ⁇ 0.005% N ⁇ 0.003% S ⁇ 0.0005% C ⁇ 0.005% B ⁇ 0.0004%
  • the nickel content is between 35.9% and 36.2%.
  • a strip having a thickness of approximately 150 ⁇ m is obtained by hot rolling then cold rolling of an ingot or a slab of iron / nickel alloy containing by weight: 35.5% ⁇ Ni ⁇ 37% Co ⁇ 0.5% Cr ⁇ 0.1% Cu ⁇ 0.1% Mo ⁇ 0.1% V ⁇ 0.1% Nb ⁇ 0.1% Mn ⁇ 0.1% 0.03% ⁇ If ⁇ 0.15% S ⁇ 0.001% 0.0001% ⁇ Ca ⁇ 0.002% 0.0001% ⁇ Mg ⁇ 0.002% Al ⁇ 0.005% O ⁇ 0.01% C ⁇ 0.02% N ⁇ 0.005% P ⁇ 0.003% H ⁇ 0.001% B ⁇ 0.001%
  • composition of this alloy is chosen so as to obtain a coefficient of linear expansion less than 0.9 ⁇ 10 -6 / o K and preferably less than 0.8 ⁇ 10 -6 / o K; a good ability to hot and cold rolling, a good ability to obtain very fine and very close holes distributed over the strip by chemical etching and a good ability to cold forming by stamping.
  • Nickel, Chromium, Copper, Molybdenum, Vanadium, Niobium, Silicon and Manganese as well as the relationship: Cr + Cu + Mo + V + Nb + Si ⁇ 0.15% are imposed so that the coefficient of linear expansion is less than 0.9x10 -6 / o K.
  • the nickel content is between 35.9% and 36.2% by weight, and that the content, in weight, chromium is less than 0.07%, the contents of copper, molybdenum, manganese are less than 0.05% and the silicon content less than 0.08%; this gives a coefficient of expansion of less than 0.8x10 -6 / o K.
  • the Cobalt content must remain below 0.5% to avoid pollute the attack fluid used for the chemical etching operation.
  • Sulfur, Silicon, Calcium, Magnesium, Oxygen and Phosphorus content limits as well as the relationship S ⁇ 0.02 x Mn + 0.8 x Ca + 0.6 x Mg are imposed in order to obtain a good rolling ability despite the very low manganese content.
  • the oxygen content must be less than 0.005%, the sulfur content less than 0.0005%.
  • the aluminum content must be less than 0.005% and the nitrogen content less than 0.005% and preferably less than 0.003% in order to avoid the formation of aluminum nitrides unfavorable to suitability for hot deformation.
  • the Carbon content must remain below 0.02% and preferably less than 0.005% in order to reduce the elastic limit which is favorable to the ability to stamp.
  • the hydrogen content is limited to 0.001% to avoid the formation of blisters.
  • the boron content must remain below 0.001% and preferably less than 0.0004% to avoid the formation of nitrides pulverulent on the surface of the strip during heat treatment.
  • Fine holes are created on the strip by a process of chemical photoengraving. These holes can have any shape desirable, for example round or elongated.
  • the strip on which lines of separation were also engraved is cut into sheets, each of these sheets forming a shadow mask sheet comprising a network of holes.
  • the material constituting the shadow mask sheet thus obtained has an elastic limit of 0.2% of between 580MPa and 640MPa at ambient temperature, which is too important to obtain a shadow mask sheet having the curvature. wanted.
  • the shadow mask sheet is annealed for approximately 15 minutes in a hydrogenated atmosphere (approximately 10% H 2 , the rest N 2 ) at a temperature between 750 ° C and 850 ° C. thus a material having a grain size of approximately 15 ⁇ m, a coercive force of approximately 40 Am and a coefficient of linear expansion between 20 ° C and 100 ° C less than or equal to 0.9x10 -6 / o K.
  • the elastic limit of 280MPa although reduced, remains however too high for the mask shaping process shade is reproducible. It is therefore necessary to further reduce the elastic limit.
  • the shadow mask sheet is set forms at a temperature between 50 ° C and 250 ° C. At 200 ° C yield strength is around 130MPa.
  • the levels indicated as "less than” are levels below the sensitivity threshold of the analysis methods used.
  • the shadow mask thus obtained had a blister defect at least 15% less than the default of the same kind observed on a comparable shadow mask made of Iron / Nickel alloy according to art prior.
  • the coercive field less than 55 A / m is particularly favorable to the demagnetization process of shadow masks used each time the tube is turned on.
  • the shadow mask does not need to be coated with a layer such as a layer of Bi 2 O 3, Al 2 O 3 or glass or lead borate, to inhibit overheating due to electronic bombardment.
  • the invention relates to shadow masks having holes circular or elongated holes extending as well over a small part of the height of the mask only over the entire height of the mask. She is particularly suitable for the manufacture of shadow masks for color display cathode ray tubes, the masks having a very large number of holes with very small spaces between holes.
  • the sheet for shadow masks according to the invention containing very small amounts of Si, Mn and Cr in particular, has a more homogeneous crystal structure which improves aptitude for chemical etching. This is very important for masks shade for color tubes whose masks must have a very large number of closely spaced holes.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Claims (7)

  1. Verfahren zur Herstellung einer Schattenmaske aus einer Eisen/Nickel-Legierung, dadurch gekennzeichnet, dass:
    ein mit gleichmäßig verteilten Löchern versehenes Blech hergestellt wird, bestehend aus einer Eisen/Nickel-Legierung, deren chemische Zusammensetzung in Gewichtsprozenten aufweist: 35,5 % ≤ Ni ≤ 37 % Co ≤ 0,5 % Cr ≤ 0,1 % Cu≤ 0,1 % Mo ≤ 0,1 % V ≤ 0,1 % Nb ≤ 0,1 % Mn ≤ 0,1 % 0,03 % ≤ Si ≤ 0,15 % S ≤ 0,001 % 0,0001 % ≤ Ca ≤ 0,002 % 0,0001 % ≤ Mg ≤ 0,002 % Al ≤ 0,005 % O ≤ 0,01 % C ≤ 0,02 % N ≤ 0,005 % P ≤ 0,003 % H ≤ 0,001 % B ≤ 0,001 % Rest Eisen und aus der Verarbeitung stammende unvermeidliche Verunreinigungen, wobei die chemische Zusammensetzung die folgenden Beziehungen erfüllt: S ≤ 0,02 x Mn + 0,8 x Ca + 0,6 x Mg Cr + Cu + Mo + V + Nb + Si ≤ 0,15 %
    das Blech einer thermischen Behandlung unterzogen wird, um ein Korn zu erhalten, dessen Größe gemäß der Definition der Norm ASTM E 112-88, 12.4 gleich oder größer als 7 ASTM ist und
    das Blech verformt wird, um ihm die Form einer Schattenmaske zu erteilen.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die chemische Zusammensetzung der Eisen/Nickel-Legierung in Gewichtsprozenten aufweist: Si ≤ 0,08 % Cr ≤ 0,07 % Cu ≤ 0,05 % Mo ≤ 0,05 % Mn ≤ 0,05 % O ≤ 0,005 % N ≤ 0,003 % S ≤ 0,0005 % C ≤ 0,005 % B ≤ 0,0004 %
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die chemische Zusammensetzung der Eisen/Nickel-Legierung in Gewichtsprozenten aufweist: 35,9% ≤ Ni ≤ 36,2 %
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die thermische Behandlung durchgeführt wird durch Aufrechterhaltung einer Temperatur zwischen 750°C und 850°C in einer nicht oxidierenden Atmosphäre.
  5. Schattenmaske bestehend aus einer Eisen/Nickel-Legierung mit einem linearen Ausdehnungskoeffizienten von weniger als 0,9x10-6/°K zwischen 20°C und 100°C und vorzugsweise weniger als 0,8x10-6/°K, dadurch gekennzeichnet, dass die chemische Zusammensetzung der Eisen/Nickel-Legierung in Gewichtsprozenten aufweist: 35,5 % ≤ Ni ≤ 37 % Co ≤ 0,5 % Cr ≤ 0,1 % Cu ≤ 0,1 % Mo ≤ 0,1 % V ≤ 0,1 % Nb ≤ 0,1 % Mn ≤ 0,1 % 0,03 % ≤ Si ≤ 0,15 % S ≤ 0,001 % 0,0001 % ≤ Ca ≤ 0,002 % 0,0001 % ≤ Mg ≤ 0,002 % Al ≤ 0,005 % O ≤ 0,01 % C ≤ 0,02 % N ≤ 0,005 % P ≤ 0,003 % H ≤ 0,001 % B ≤ 0,001 % Rest Eisen und aus der Verarbeitung stammende unvermeidliche Verunreinigungen; die chemische Zusammensetzung erfüllt die Beziehungen: S ≤ 0,02 x Mn + 0,8 x Ca + 0,6 x Mg und Cr + Cu + Mo + V + Nb + Si ≤ 0,15 % wobei das Korn der Eisen/Nickel-Legierung eine Größe aufweist, die, gemessen nach der Norm ASTM E112-88, 12.4, größer als der Index 7 ASTM ist.
  6. Schattenmaske nach Anspruch 5, dadurch gekennzeichnet, dass gilt: Si < 0,08 % Cr ≤ 0,07 % Cu ≤ 0,05 % Mo ≤ 0,05 % Mn ≤ 0,05 % O ≤ 0,005 % N ≤ 0,003 % S ≤ 0,0005 % C ≤ 0,005 % B ≤ 0,0004 %
  7. Schattenmaske nach Anspruch 5 oder Anspruch 6, dadurch gekennzeichnet, dass die chemische Zusammensetzung der Eisen/Nickel-Legierung vorzugsweise in Gewichtsprozenten aufweist: 35,9 % ≤ Ni ≤ 36,2 %.
EP95402753A 1994-12-27 1995-12-07 Verfahren zur Herstellung einer Schattenmaske aus einer Eisen-Nickel Legierung Expired - Lifetime EP0719873B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9415663A FR2728724B1 (fr) 1994-12-27 1994-12-27 Procede de fabrication d'un masque d'ombre en alliage fer-nickel
FR9415663 1994-12-27

Publications (2)

Publication Number Publication Date
EP0719873A1 EP0719873A1 (de) 1996-07-03
EP0719873B1 true EP0719873B1 (de) 2000-06-21

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EP95402753A Expired - Lifetime EP0719873B1 (de) 1994-12-27 1995-12-07 Verfahren zur Herstellung einer Schattenmaske aus einer Eisen-Nickel Legierung

Country Status (9)

Country Link
US (1) US5643697A (de)
EP (1) EP0719873B1 (de)
JP (2) JPH08333638A (de)
KR (1) KR100379871B1 (de)
CN (1) CN1050639C (de)
DE (1) DE69517577T2 (de)
DK (1) DK0719873T3 (de)
FR (1) FR2728724B1 (de)
PL (1) PL186742B1 (de)

Families Citing this family (16)

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Publication number Priority date Publication date Assignee Title
FR2758001A1 (fr) * 1996-12-31 1998-07-03 Imphy Sa Dispositif de suspension du masque d'ombre d'un tube de visualisation cathodique comprenant un bilame et bilame
FR2767538B1 (fr) * 1997-08-21 2001-05-11 Imphy Sa Procede de fabrication d'une bande en alliage du type fer-nickel a partir d'un demi produit de coulee continue
JPH11310853A (ja) * 1998-04-30 1999-11-09 Dainippon Printing Co Ltd カラーブラウン管用の展張型マスク
JP2000017393A (ja) 1998-04-30 2000-01-18 Dainippon Printing Co Ltd カラ―ブラウン管用シャドウマスク
JP3360033B2 (ja) * 1998-10-22 2002-12-24 日新製鋼株式会社 シャドウマスク用Ｆｅ−Ｎｉ合金及びその製造方法
TWI225101B (en) * 1999-03-12 2004-12-11 Toyo Kohan Co Ltd Material for shadow mask, method for production thereof, shadow mask and image receiving tube
JP2001131715A (ja) * 1999-11-09 2001-05-15 Nippon Mining & Metals Co Ltd セミテンションマスク用Ｆｅ−Ｎｉ系合金並びにそれを用いたセミテンションマスク及びカラーブラウン管
JP2001131709A (ja) * 1999-11-09 2001-05-15 Nippon Mining & Metals Co Ltd セミテンションマスク用低熱膨張Ｆｅ−Ｎｉ系合金並びにそれを用いたセミテンションマスク及びカラーブラウン管
FR2807269B1 (fr) * 2000-03-31 2002-11-01 Imphy Ugine Precision Dispositif de masquage pour tube cathodique de visualisation en couleur a ecran plat a masque d'ombre tendu en alliages fe-ni
JP2002038239A (ja) 2000-07-24 2002-02-06 Yamaha Metanikusu Kk 磁気歪制御型合金板及びこれを用いたカラーブラウン管用部品並びに磁気歪制御型合金板の製造方法
DE10146301C1 (de) * 2001-09-19 2002-07-18 Krupp Vdm Gmbh Verfahren zur Herstellung eines Metallbandes aus einer Eisen-Nickel-Legierung für gespannte Schattenmasken
JP3854121B2 (ja) * 2001-10-22 2006-12-06 日本冶金工業株式会社 耐食性に優れるシャドウマスク素材用Ｆｅ−Ｎｉ系合金およびシャドウマスク材料
DE10258356B3 (de) * 2002-12-12 2004-05-27 Thyssenkrupp Vdm Gmbh Verwendung einer Eisen-Nickel-Cobalt-Legierung
FR2849061B1 (fr) * 2002-12-20 2005-06-03 Imphy Ugine Precision Alliage fer-nickel a tres faible coefficient de dilatation thermique pour la fabrication de masques d'ombres
CN101181773B (zh) * 2007-12-17 2010-06-02 西部金属材料股份有限公司 具有高深冲性能和高晶粒度等级的钽长带制备方法
WO2024004613A1 (ja) * 2022-06-30 2024-01-04 日鉄ケミカル＆マテリアル株式会社 Ｆｅ－Ｎｉ合金箔、Ｆｅ－Ｎｉ合金箔の製造方法、および部品

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0713923A1 (de) * 1994-11-23 1996-05-29 Imphy S.A. Eisen-Nickel Legierung mit niederigem Ausdehnungskoeffizient

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FR1309618A (fr) * 1961-12-29 1962-11-16 Gen Comm Company Alliage à faible coefficient de dilatation
DE3572081D1 (en) 1984-09-28 1989-09-07 Philips Nv Method of drape drawing a shadow mask for a colour display tube and device for such a method
JPS61139683A (ja) * 1984-12-12 1986-06-26 Hitachi Ltd シヤドウマスクの製造方法
JP2596210B2 (ja) * 1990-10-31 1997-04-02 日本鋼管株式会社 焼鈍時の密着焼付き防止法、ガス放散性に優れたシャドウマスク用Ｆｅ―Ｎｉ合金およびその製造法
JP2590657B2 (ja) * 1991-12-12 1997-03-12 日本鋼管株式会社 焼鈍時の密着焼付防止性およびガス放散性に優れたＦｅ−Ｎｉ合金およびその製造方法
EP0561120B1 (de) * 1992-01-24 1996-06-12 Nkk Corporation Dünnes Blech aus Fe-Ni-Legierung für Schattenmaske und Verfahren zu dessen Herstellung
US5308723A (en) * 1992-01-24 1994-05-03 Nkk Corporation Thin metallic sheet for shadow mask
JP3353321B2 (ja) * 1992-01-24 2002-12-03 日本鋼管株式会社 プレス成形性に優れたシャドウマスク用Ｆｅ−Ｎｉ合金薄板の製造方法及びプレス成形性に優れたシャドウマスク用Ｆｅ−Ｎｉ合金薄板
JP3367147B2 (ja) * 1993-05-31 2003-01-14 日本鋼管株式会社 プレス成形性に優れたシャドウマスク用Ｆｅ−Ｎｉ系合金薄板およびＦｅ−Ｎｉ−Ｃｏ系合金薄板とその製造方法
DE69311961T2 (de) * 1992-04-27 1997-11-06 Hitachi Metals Ltd Dünnblech für eine Lochmaske, Verfahren zu seiner Herstellung und eine damit ausgerüstete Kathodenstrahlröhre
JPH0644920A (ja) * 1992-07-22 1994-02-18 Nkk Corp シャドウマスク用金属薄板およびその製造方法
JPH06264190A (ja) * 1993-03-12 1994-09-20 Toshiba Corp シャドウマスク用素材
DE4402684C2 (de) * 1993-05-27 2001-06-21 Krupp Vdm Gmbh Verwendung einer ausdehnungsarmen Eisen-Nickel-Legierung
EP0627494B1 (de) * 1993-05-31 1997-07-23 Nkk Corporation Legierung für Schattenmaske und Verfahren zu dessen Herstellung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0713923A1 (de) * 1994-11-23 1996-05-29 Imphy S.A. Eisen-Nickel Legierung mit niederigem Ausdehnungskoeffizient

Also Published As

Publication number Publication date
FR2728724A1 (fr) 1996-06-28
KR960026015A (ko) 1996-07-20
DK0719873T3 (da) 2000-10-23
JPH08333638A (ja) 1996-12-17
KR100379871B1 (ko) 2003-06-19
CN1133896A (zh) 1996-10-23
EP0719873A1 (de) 1996-07-03
PL312029A1 (en) 1996-07-08
CN1050639C (zh) 2000-03-22
FR2728724B1 (fr) 1997-01-24
DE69517577D1 (de) 2000-07-27
PL186742B1 (pl) 2004-02-27
US5643697A (en) 1997-07-01
JP2007231423A (ja) 2007-09-13
DE69517577T2 (de) 2001-03-08

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