WO2003035920A1 - Alliage a base de fe-ni destine a un materiau brut de masque perfore possedant une excellente resistance a la corrosion et materiau de masque perfore - Google Patents

Alliage a base de fe-ni destine a un materiau brut de masque perfore possedant une excellente resistance a la corrosion et materiau de masque perfore Download PDF

Info

Publication number
WO2003035920A1
WO2003035920A1 PCT/JP2002/010718 JP0210718W WO03035920A1 WO 2003035920 A1 WO2003035920 A1 WO 2003035920A1 JP 0210718 W JP0210718 W JP 0210718W WO 03035920 A1 WO03035920 A1 WO 03035920A1
Authority
WO
WIPO (PCT)
Prior art keywords
shadow mask
alloy
corrosion resistance
mask material
thermal expansion
Prior art date
Application number
PCT/JP2002/010718
Other languages
English (en)
Japanese (ja)
Inventor
Toru Nishi
Tsutomu Omori
Yutaka Kobayashi
Original Assignee
Nippon Yakin Kogyo 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 Nippon Yakin Kogyo Co., Ltd. filed Critical Nippon Yakin Kogyo Co., Ltd.
Priority to KR1020047005785A priority Critical patent/KR100595393B1/ko
Priority to US10/488,257 priority patent/US20040238076A1/en
Priority to EP02777848A priority patent/EP1445341A4/fr
Publication of WO2003035920A1 publication Critical patent/WO2003035920A1/fr

Links

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0733—Aperture plate characterised by the material

Definitions

  • the present invention relates to an Fe—Ni-based alloy and a shadow mask material for a shadow mask material having excellent corrosion resistance used for a color television cathode ray tube and the like, and in particular, is exposed to the air after light-volatilizing annealing in the material manufacturing process.
  • This steel sheet is, for example, a process in which the steel sheet after the intermediate cold rolling is strained in a continuous annealing furnace or a batch annealing furnace and subjected to intermediate annealing, followed by finish cold rolling and temper rolling (including dull rolling). It has been manufactured through.
  • the material for high-definition color television CRT display is, for example, in the case of a color television picture tube, the electron beam passing through the shadow mask is less than 1/3 of the total, and the remaining The electron beam strikes the shadow mask, which heats it up to as much as 80 ° C.
  • the shadow mask material undergoes thermal expansion and distortion, leading to a reduction in color purity.
  • an Fe-36Ni-based invar alloy which is less affected by thermal expansion, has been used in place of the above-mentioned aluminum-killed steel sheet.
  • An object of the present invention is to provide a high-rigidity, low-thermal-expansion shadow that generates little mackerel even when exposed to the air for a long period of time for distribution or transportation after light-volatilization annealing, which is an intermediate step in the production of a material.
  • the inventors have set forth the conditions for Fe-Ni-based alloys that are unlikely to produce blue even when exposed to the atmosphere after light-volatilization annealing, which is an intermediate step in the production of materials.
  • the following findings were obtained. It is said that the ⁇ that occurs in the material (Fe-Ni-based alloy) is more likely to occur after light-volatilization annealing, and that the low thermal expansion Fe-36Ni alloy with reduced Mn is more likely to occur than ordinary Fe-36Ni alloy. I understand.
  • the inventors have decided to suppress the concentration of S in the surface layer of the alloy sheet.
  • the concentration of S in the surface layer of the Fe-36Ni alloy It is absent in high-Fe-Ni alloys with high content, and is remarkable in low-thermal expansion Fe-36Ni alloys with low Mn content.
  • Mn-based inclusions in Fe-Ni alloys with high Mn content It was found that S was incorporated in the low thermal expansion Fe-36 ⁇ alloy with a low Mn content, but the S enrichment decreased in inverse proportion to the Mn content.
  • the present inventors have obtained the knowledge that it is necessary to control the ratio of Mn to S of the Mn-based inclusion forming element in order to prevent the occurrence of ⁇ , and to further study. Recommended. As a result, we found that when the relationship between Mn and S satisfies MnZS ⁇ SS, ⁇ hardly occurred. In addition, it was also found that mackerel formation was particularly difficult when the S concentration in the region (surface layer) up to 150 A from the surface of the alloy was about 20 times or less that of the bulk part (inside).
  • the corrosion resistance of the Fe—Ni alloy also greatly depends on the crystal grain size.
  • the corrosion resistance after light-volatilization annealing greatly depends on the crystal grain size of the material.
  • the corrosion resistance of the material improves. I also understood. This is considered to be because the area of the crystal grain boundary increases as the crystal grain size decreases, and the diffusion distance of S increases.
  • controlling non-metallic inclusions in addition to the above countermeasures was also effective in suppressing the occurrence of mackerel.
  • the present invention has been completed based on these findings, and the gist configuration thereof is as described below.
  • the alloy of the present invention further comprises, in addition to the above component composition, one or more selected from Ti, V, Zr, Ta, Hf and REM in a total amount of 0.005 to 1.0. %.
  • the alloy according to the present invention is preferably an alloy in which the relationship between Mn and S is Mn / S ⁇ 25.
  • the maximum value of the S concentration in the region from the surface of the alloy to 150 A is not more than 20 times the bulk.
  • the alloy of the present invention preferably has a crystal grain size as large as No. 9 or more of the ASTM particle size number.
  • the alloy of the present invention MnO- FeO- Si0 2 - Nb20 5 - MgO- A1 2 0 3 - other CaO-based composite oxide, further silica (Si0 2) spinel (MgO ⁇ ⁇ 1 2 0 3) Contact preferably contains a good beauty niobium oxide (Nb 2 0 5) any one or non-metallic inclusions consisting of those containing two or more of.
  • the present invention also provides the above Fe—Ni-based alloy, wherein the alloy has a 0.2% proof stress of 300 N / mm 2 or more and a thermal expansion coefficient of 30 to: L00 ° C. of 1.0 ⁇ 10 6 / ° C. or less.
  • L00 ° C. 1.0 ⁇ 10 6 / ° C. or less.
  • C is an element that contributes to the solid solution and the strengthening of the material by the work hardening action. If its content exceeds 0.01 wt%, a large amount of carbides will precipitate, deteriorating the etching properties, press formability, blackening properties and low thermal expansion properties. Therefore, the content of C is limited to 0.01 wt% or less. Preferably it is 0.005 ⁇ % or less.
  • Si needs to be added as a deoxidizer in an amount of 0.01% or more as a deoxidizing agent when the alloy is refined. However, adding more than 0.1% by weight increases the thermal expansion.] Determined. Preferably it is 0.02-0.05 wt%.
  • Mn is useful as a solid solution strengthening element, and it is necessary to add 0.01% or more as a deoxidizing material when refining the alloy. However, if its content exceeds 0.1 ⁇ ⁇ %, the thermal expansion will increase, so it was set to the range of 0.01-0.1 wt%. Preferably, it is 0.01 to 0.05 wt%.
  • Mn generates Mn-based inclusions, which fix the S that diffuses during photovoltaic annealing, so that a certain amount of Mn-based inclusions is required. Therefore, it is necessary to control this Mn so as to satisfy Mn / S25 in terms of corrosion resistance in relation to S.
  • Ni is an element that has a significant effect on the thermal expansion characteristics of the Fe—Ni alloy. When this content is 36 wt%, thermal expansion is minimized, so Ni should be limited to 35-37 wt%.
  • Cr is an element that significantly improves corrosion resistance, but if it exceeds 0.1 wt%, the thermal expansion coefficient And the blackening property is also poor, so the content is limited to 0.1 wt% or less.
  • the proof stress increases by 0.2%.
  • it has the effect of remarkably reducing the crystal grain size, increasing the area of the crystal grain boundaries, and increasing the diffusion distance of S during light-volatilization annealing, thereby suppressing S concentration on the surface.
  • it improves toughness, etching property, and pressurizing property, and also improves blackening property.
  • Nb needs to be added in an amount of at least 0.01 wt% or more in order to obtain the above-mentioned effects, particularly to provide corrosion resistance and 0.2% proof stress.
  • 0.10 wt% or more is added.
  • the toughness, press formability, and low thermal expansion properties are rather reduced, so the content is limited to 0.01 to 1.0 wt%.
  • S content is 0.0020 wt. /. If it exceeds, S diffuses into the vicinity of the material surface after light-volatilization annealing, and the S concentration at a depth of up to 150A from the material surface (surface layer) increases significantly with respect to the bulk, lowering the corrosion resistance. Therefore, the content of S is set to 0.0020 wt% or less, preferably 0.0010 wt% or less.
  • A1 is a relatively active element, if it is contained in a large amount, it causes preferential oxidation on the surface of the cooked rice, and inhibits black-and-white properties. Further, it increases the amount of A1 type oxidized product and inhibits the etching property. In particular, if the content exceeds 0.005 wt%, the low thermal expansion characteristics are reduced, so the content was limited to 0.005 wt%.
  • i, V, Zr, Ta, Hf and REM are elements that combine with C and N to form carbides and nitrides and contribute to grain refinement. It forms and contributes to corrosion resistance.
  • Mn and S are represented by the following formula
  • the S concentration in the region from the plate surface to 150 A is set to be about 20 times or less that of the bulk. This is because if the concentration of S in the surface layer exceeds 20 times the S concentration in the bulk (base), the dissolution of metal ions is promoted and the mackerel is induced. This S concentration is more preferably 18 times or less.
  • it is effective to set the crystal grain size to a size of No. 9 or more in terms of an ASTM particle size number.
  • the corrosion resistance of a Fe—Ni alloy after light volatilization annealing largely depends on the crystal grain size of the material, and especially as the crystal grain size becomes smaller (the grain size number becomes larger), It was found that the corrosion resistance of the material was improved. In addition, since the 0.2% resistance greatly depends on the crystal grain size, it is desirable that the crystal grain size be AST M No. 9 or more in order to obtain excellent corrosion resistance and rigidity.
  • the present invention further controls nonmetallic inclusions.
  • non-metallic inclusions contained in the alloy of the present invention MnO- FeO- Si 0 2 - Nb2_rei 5 - MgO- A1 2 0 3 - CaO -based composite oxide in addition to further, Si0 2, MgO ⁇ A1 2 0 3, it is necessary to Nb 2 0
  • Non-metallic inclusions consisting of those containing one kind or two or more kinds of the five According to the inventors' research, it has been found that the generation of acid-soluble inclusions of MgO and CaO alone deteriorates the corrosion resistance when dew is formed in the atmosphere.
  • MnO -FeO- Si0 2 generates upon suppressing generate alumina-based inclusions - in CaO-based composite oxide, - Nb 2 0 5 - MgO- A1 2 0 3 It was also found that corrosion resistance deteriorated when both MgO and CaO inclusions were included. On the other hand, inclusions containing no MgO single inclusions or CaO single inclusions did not cause a problem in corrosion resistance.
  • the test material was manufactured by adjusting the components of the alloy so as to have the component composition shown in Table 1 below, and the test material was melted in an air induction furnace to produce an ingot.
  • the ingot is hot forged at a temperature of 1000 to 1150 ° C, hot rolled at a rolling ratio of 80% or more, and 900 ° C-60 seconds, 30% H 2 + N 2 , dew point-40 °
  • the solid solution heat treatment was performed in the C atmosphere. Then, it was gradually cooled to obtain a 0.12 mm thick Fe-Ni alloy plate.
  • the coefficient of thermal expansion in the table is from room temperature to 300. Measured in the range up to C, the average coefficient of thermal expansion at 30 to 100 ° C was determined, and the 0.2% proof stress was measured by a tensile test.
  • the maximum value of the amount of S enrichment in the region at 150 A from the plate surface was determined by using an Auger electron spectrometer at 50 A intervals from the surface, performing elemental analysis each time, and determining the atomic concentration of S. It was calculated and expressed as a ratio to parc (bulk is a value obtained by chemically analyzing the entire material in this case).
  • the corrosion resistance was evaluated by the outdoor air exposure test, and the corrosion status after exposure was evaluated based on the area ratio of occurrence. In addition, those with an emission area ratio of 0.5% or more generate ⁇ when exposed to the atmosphere for a long time after bright annealing, which is an intermediate process of material production. It was unsuitable as a material. Table 2 shows the results.
  • the alloy conforming to the present invention has sufficient properties in terms of corrosion resistance, rigidity and low thermal expansion properties. That is, the test material according to the present invention has a 0.2% proof stress of 300 NZmm2 or more, has high rigidity, and has a low thermal expansion coefficient of 1.0 ⁇ 10 ⁇ 6 / ° ⁇ or less. In addition, the mackerel area ratio after the air exposure test is 0.5% or less, and it has excellent corrosion resistance.
  • the comparative materials 19 and 20 are inferior in corrosion resistance due to the large amount of S in the bulk.
  • the comparative materials 21 and 22 are inferior in corrosion resistance because the inclusion form includes MgO alone and CaO alone.
  • Comparative material 23 is inferior in corrosion resistance and rigidity due to the large crystal grain size.
  • Comparative Example 24 is inferior in corrosion resistance because the maximum value of the S concentration in the region at 150 A from the plate surface is 20 or more.
  • the above-mentioned Fe—Ni-based alloy of the present invention produced as a shadow mask material could be produced without occurrence of ⁇ after light-volatilization annealing.
  • the 0.2% proof stress before mask molded as quality material is not less 300 NZmm 2 or more, the thermal expansion coefficient to produce a shadow mask material of high rigidity is and low thermal expansion below 1.0 X 10- 6 / ° C Was completed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

L'invention concerne un alliage à base de Fe-Ni destiné à un matériau brut de masque perforé possédant une excellente résistance à la corrosion contenant la composition chimique en % en poids suivante: C ≤ 0,01 %, Si: 0,01 à 0,01 %, Mn: 0,01 à 0,1 %, Ni: 35 à 37 %, Cr ≤ 0,1 %, Nb: 0,01 à 1,0 %, S ≤ 0,0020 %, Al ≤ 0,005 % et le reste: Fe et des impuretés inévitables. L'invention concerne également un matériau de masque perforé comprenant l'alliage à base de Fe-Ni, cet alliage présentant une limite d'élasticité de 0,2 % de 300 N/mm2 ou plus, un coefficient d'expansion thermique compris entre 30 et 100 °C de 1,0 X 10-6/ °C ou moins. L'alliage à base de Fe-Ni destiné au matériau brut de masque perforé et le matériau de masque perforé ne sont pas sujets à la formation de rouille même lorsqu'ils sont exposés à l'atmosphère pendant une longue période du fait de leur transport ou analogue après une étape de recuit brillant comme étape intermédiaire de production du matériau.
PCT/JP2002/010718 2001-10-22 2002-10-16 Alliage a base de fe-ni destine a un materiau brut de masque perfore possedant une excellente resistance a la corrosion et materiau de masque perfore WO2003035920A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020047005785A KR100595393B1 (ko) 2001-10-22 2002-10-16 내식성이 우수한 섀도우 마스크 소재용 Ｆｅ­Ｎｉ계 합금및 섀도우 마스크 재료
US10/488,257 US20040238076A1 (en) 2001-10-22 2002-10-16 Fe-ni based alloy for shadow mask raw material excellent in corrosion resistance and shadow mask material
EP02777848A EP1445341A4 (fr) 2001-10-22 2002-10-16 Alliage a base de fe-ni destine a un materiau brut de masque perfore possedant une excellente resistance a la corrosion et materiau de masque perfore

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001323145A JP3854121B2 (ja) 2001-10-22 2001-10-22 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
JP2001-323145 2001-10-22

Publications (1)

Publication Number Publication Date
WO2003035920A1 true WO2003035920A1 (fr) 2003-05-01

Family

ID=19140077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/010718 WO2003035920A1 (fr) 2001-10-22 2002-10-16 Alliage a base de fe-ni destine a un materiau brut de masque perfore possedant une excellente resistance a la corrosion et materiau de masque perfore

Country Status (6)

Country Link
US (1) US20040238076A1 (fr)
EP (1) EP1445341A4 (fr)
JP (1) JP3854121B2 (fr)
KR (1) KR100595393B1 (fr)
CN (1) CN100343405C (fr)
WO (1) WO2003035920A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101668529B1 (ko) 2014-12-23 2016-10-31 주식회사 포스코 디스플레이용 유기발광다이오드 봉지재용 강
KR101677352B1 (ko) 2014-12-26 2016-11-18 주식회사 포스코 디스플레이용 유기발광 다이오드 봉지재용 강
CN116024524A (zh) * 2017-11-21 2023-04-28 Lg伊诺特有限公司 金属板和使用其的沉积掩模
WO2021132634A1 (fr) * 2019-12-27 2021-07-01 日本製鉄株式会社 Alliage
CN115976395B (zh) * 2022-12-28 2024-09-13 北冶功能材料(江苏)有限公司 一种金属掩膜版用因瓦合金的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186853A (ja) * 1992-01-09 1993-07-27 Nippon Yakin Kogyo Co Ltd シャドウマスク用アンバ−合金
JPH07102345A (ja) * 1993-09-30 1995-04-18 Nippon Yakin Kogyo Co Ltd 高ヤング率低熱膨張Ｆｅ−Ｎｉ合金
US5916380A (en) * 1995-09-28 1999-06-29 Nippon Mining & Metals Co., Ltd. Fe-Ni alloy for parts of electron-gun and blanked parts for electron-gun
JP2001040454A (ja) * 1999-07-28 2001-02-13 Nippon Yakin Kogyo Co Ltd Ｆｅ−Ｎｉ系シャドウマスク用材料
JP2001181796A (ja) * 1999-12-28 2001-07-03 Hitachi Metals Ltd エッチング性および低熱膨張特性に優れたＦｅ−Ｎｉ−Ｃｏ系合金およびエッチング孔形状性に優れたシャドウマスク

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US205296A (en) * 1878-06-25 Improvement in cutting instruments or tools
US5207844A (en) * 1990-03-22 1993-05-04 Nkk Corporation Method for manufacturing an Fe-Ni cold-rolled sheet excellent in cleanliness and etching pierceability
JP3151100B2 (ja) * 1994-01-14 2001-04-03 日鉱金属株式会社 Ｆｅ−Ｎｉ系合金シャドウマスク用素材
FR2728724B1 (fr) * 1994-12-27 1997-01-24 Imphy Sa Procede de fabrication d'un masque d'ombre en alliage fer-nickel
US5946380A (en) * 1997-11-06 1999-08-31 At&T Corp. Communications system and method with call expenditure control
JP3450711B2 (ja) * 1998-07-02 2003-09-29 日本冶金工業株式会社 打抜き特性に優れるＦｅ−Ｎｉ系リードフレーム用合金
JP2000096188A (ja) * 1998-09-21 2000-04-04 Nisshin Steel Co Ltd 熱膨張係数が小さく熱間加工性に優れたＦｅ−Ｎｉ系合金及びその製造方法
EP1134300A3 (fr) * 2000-03-17 2002-05-22 Hitachi Metals, Ltd. Alliage Fer-Nickel
JP3802326B2 (ja) * 2000-08-30 2006-07-26 日鉱金属株式会社 耐落下衝撃変形性及び低熱膨張性Ｆｅ−Ｎｉ系合金材の、熱間圧延割れを防止する製造方法
JP4240823B2 (ja) * 2000-09-29 2009-03-18 日本冶金工業株式会社 Ｆｅ−Ｎｉ系パーマロイ合金の製造方法
CN1205347C (zh) * 2000-11-21 2005-06-08 日本冶金工业株式会社 具有良好蚀刻加工性的荫罩用Fe－Ni合金材料
WO2003004715A1 (fr) * 2001-07-05 2003-01-16 Nkk Corporation Fine feuille d'alliage a faible dilatation thermique, et masque perfore faisant intervenir son utilisation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186853A (ja) * 1992-01-09 1993-07-27 Nippon Yakin Kogyo Co Ltd シャドウマスク用アンバ−合金
JPH07102345A (ja) * 1993-09-30 1995-04-18 Nippon Yakin Kogyo Co Ltd 高ヤング率低熱膨張Ｆｅ−Ｎｉ合金
US5916380A (en) * 1995-09-28 1999-06-29 Nippon Mining & Metals Co., Ltd. Fe-Ni alloy for parts of electron-gun and blanked parts for electron-gun
JP2001040454A (ja) * 1999-07-28 2001-02-13 Nippon Yakin Kogyo Co Ltd Ｆｅ−Ｎｉ系シャドウマスク用材料
JP2001181796A (ja) * 1999-12-28 2001-07-03 Hitachi Metals Ltd エッチング性および低熱膨張特性に優れたＦｅ−Ｎｉ−Ｃｏ系合金およびエッチング孔形状性に優れたシャドウマスク

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1445341A4 *

Also Published As

Publication number Publication date
JP3854121B2 (ja) 2006-12-06
CN100343405C (zh) 2007-10-17
JP2003129185A (ja) 2003-05-08
EP1445341A4 (fr) 2004-12-15
KR100595393B1 (ko) 2006-06-30
US20040238076A1 (en) 2004-12-02
CN1571857A (zh) 2005-01-26
EP1445341A1 (fr) 2004-08-11
KR20040045877A (ko) 2004-06-02

Similar Documents

Publication Publication Date Title
JP3150831B2 (ja) 高ヤング率低熱膨張Ｆｅ−Ｎｉ合金
WO2003035920A1 (fr) Alliage a base de fe-ni destine a un materiau brut de masque perfore possedant une excellente resistance a la corrosion et materiau de masque perfore
KR100484481B1 (ko) 프레스 성형형 완전 평탄한 마스크용Ｆｅ-Ｎｉ-Ｃｏ합금과, 이를 이용한 완전 평탄한 마스크및 컬러 음극선관
EP1335034B1 (fr) Tole d'acier possedant une teneur basse en carbone servant a elaborer un masque de tube a rayons cathodiques de type tension comportant un pont, masque et tube a rayon cathodique
JP3557395B2 (ja) プレス成形型フラットマスク用Ｆｅ−Ｎｉ系合金材の製造方法
JPH09227998A (ja) カラー受像管色選別電極構体用冷延鋼板及びその製造方法
JP3892312B2 (ja) ブラウン管フレーム用高強度鋼板の製造方法
JP3566489B2 (ja) 電子銃部品用Ｆｅ−Ｎｉ合金並びに電子銃プレス打抜き加工部品
JP3467020B2 (ja) プレス成形型フラットマスク用Ｆｅ−Ｎｉ系合金並びにそれを用いるフラットマスクおよびカラーブラウン管
JP3469559B2 (ja) 黒化処理後の低熱膨張性に優れたフラットマスク用Ｆｅ−Ｎｉ−Ｃｏ系合金
JP2002069535A (ja) 耐落下衝撃変形性及び低熱膨張性Ｆｅ−Ｎｉ系合金材の、熱間圧延割れを防止する製造方法
JP3828838B2 (ja) Ｔｖブラウン管フレーム用鋼板及びその製造方法
JP2781336B2 (ja) 黒化処理性に優れたシャドウマスク用Ｆｅ−Ｎｉ系合金及びその製造方法
JP3602752B2 (ja) プレス性の良好な電子銃電極用Ｆｅ−Ｃｒ−Ｎｉ系合金条
JP2001152292A (ja) 磁気特性に優れた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
JP2004331997A (ja) シャドウマスク用高強度Ｆｅ−Ｎｉ−Ｃｏ系合金
JPH10219409A (ja) 磁気シールド用インナーシールド材とその製造方法
JP3469882B2 (ja) エッチング穿孔性に優れたフラットマスク用高強度合金条
JP3765222B2 (ja) 磁気シールド用鋼板およびその製造方法
JP2003073780A (ja) プレス成形型フラットマスク用Ｆｅ−Ｎｉ−Ｃｏ系合金薄帯
JP3326897B2 (ja) シャドウマスク用Ｆｅ−Ｎｉ系合金薄板
TW403930B (en) A steel sheet for shadow mask, a shadow mask, a producing method of shadow mask, and a color picture tube
EP1154029B1 (fr) Materiau pour masque perfore de tube d'images couleur
JP4345461B2 (ja) プレス成形性およびプレス成形後の落下強度に優れたシャドウマスク用鋼板およびその製造方法
WO2000070108A1 (fr) Materiau pour masque perfore, masque perfore et tube de reception d'images couleurs comportant ce masque perfore

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CN KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 10488257

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 20028207742

Country of ref document: CN

Ref document number: 1020047005785

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 2002777848

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 2002777848

Country of ref document: EP