KR20000062310A - 방향성 결정립 규소강의 제조 공정 - Google Patents
방향성 결정립 규소강의 제조 공정 Download PDFInfo
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- KR20000062310A KR20000062310A KR1019997005739A KR19997005739A KR20000062310A KR 20000062310 A KR20000062310 A KR 20000062310A KR 1019997005739 A KR1019997005739 A KR 1019997005739A KR 19997005739 A KR19997005739 A KR 19997005739A KR 20000062310 A KR20000062310 A KR 20000062310A
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- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
- C21D8/1255—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
- C21D8/1222—Hot rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
- C21D8/1233—Cold rolling
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
- C21D8/1272—Final recrystallisation annealing
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1205—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving particular fabrication steps or treatments of ingots or slabs
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Soft Magnetic Materials (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
| Sample | Iz(cm-1) | 탈탄 Deq850℃ 180 s | E | 질화 Deq970℃ 30 s | E | B800(mT) |
| abcdefghIj | 1882504406608306201015142027002010 | 27.125.623.522.218.324.015.312.08.29.5 | 0.500.480.530.520.530.490.510.480.440.45 | 37.034.227.426.024.028.420.230.111.213.2 | 0.620.590.580.540.530.530.520.750.610.65 | 1540162018701940191019401890155018301580 |
| 사이클 | 750℃로 가열시간H2O 20 g/l를포함한 H2/N2(3:1) | 750℃에서 1200℃로가열시간H2/N2(3:1) | 1200℃에서유지시간(100% H2) | 1200℃에서800℃로냉각시간 |
| AB | 10 시간10 시간 | 35 시간2.5 시간 | 20 시간20 시간 | 4 시간4 시간 |
| 질화온도℃ | Ni | AlN | AlNn | Nc | D | B800(mT)A | B800(mT)B |
| 6507508509501000 | 2244927554 | 120130180230240 | 01060100120 | 00103050 | 1821202420 | 16101905192019401925 | 15201580193019201930 |
| 질화온도℃ | Ni | AlN | AlNn | Nc | D | B800(mT)A | B800(mT)B |
| 6507508509501000 | 65152237155119 | 120140210290300 | 02090170180 | 010305055 | 1920182428 | 18701910190519201935 | 15801720192019301930 |
| 질화온도℃ | Ni | AlN | AlNn | Nc | D | B800(mT)A | B800(mT)B |
| 6507508509501000 | 115284395255195 | 120150230310310 | 030110190190 | 020406070 | 1819182225 | 18801870189019201925 | 16601805193019351930 |
| 두께 (mm) | B800 | P17 | P15 |
| 0.350.300.270.23 | 1860187218701876 | 1.351.211.130.97 | 0.960.820.770.56 |
| 질화온도(℃) | Nt | Ntc | AlN | B800 (mT) | P17(W/kg) | P15(W/kg) |
| 7001000 | 282264 | 125188 | 180280 | 18051910 | 1.421.01 | 0.900.73 |
Claims (11)
- 규소강이 연속주조공정으로 주조(cast), 열간압연(hot-rolled) 및 냉간압연(cold-rolled)되고, 여기에서 얻어지는 냉간 스트립(cold strip)은 1차 재결정 및 선택적으로 탈탄(decarburization)을 수행하기 위하여 연속적으로 어닐링되고, 어닐링 세퍼레이터(annealing separator)로 코팅되며, 최종 2차 재결정화를 위하여 어닐링되는, 전기적 목적을 위한 강의 제조 공정에 있어서,(i) 결정립의 성장(grain growth)을 제어하기 위해 필요한 억제 레벨(inhibition level; Iz)이 실험식(empiric formula):Iz = 1.91 Fv/r(여기서 Fv는 유용한 석출물의 체적분율이며 r은 그것들의 평균 반지름임)에 의해 산출되고, 400과 1300 cm-1사이에 포함되는 열연 강판을 제조하는 단계;(ii) 습식 질소-수소 분위기(wet nitrogen-hydrogen atmosphere)에서 800과 950℃사이의 온도로 냉연 스트립을 1차 재결정화 연속 어닐링 처리를 수행하는 단계;(iii) 습식 질화 분위기에서 5에서 120초 동안 850℃와 1050℃사이의 온도로 연속 질화 어닐링 처리를 수행하는 단계로 이루어지며, 이들 단계가 서로 협력 관계로 결합되는전기적 목적을 위한 강의 제조 공정.
- 제1항에 있어서, 상기 유용한 억제 레벨 Iz가 연속 주조강(cast steel)에 대하여 1100℃와 1320℃ 사이의 온도에서 균질화 열처리(equalising thermic treatment)를 수행함으로써 얻어지는 전기적 목적을 위한 강의 제조 공정.
- 제1항 및 제2항 중 어느 한 항에 있어서, 상기 열처리가 1270℃와 1310℃ 사이의 온도에서 수행되는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 탈탄 열처리가 1차 재결정화 어닐링 동안 수행되는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 질화 분위기가 열처리되는 스트립의 단위 kg 당 1과 35 노르말 리터(normal litre) 사이의 양으로 이루어지는 NH3를 함유하는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 질화 분위기가 열처리되는 스트립의 단위 kg 당 1과 9 노르말 리터(normal litre) 사이의 양으로 이루어지는 NH3를 함유하는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 질화 분위기가 0.5와 100 g/m3사이의 양으로 이루어지는 수증기(steam)를 함유하는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 질화 어닐링은 950℃ 이상의 온도에서 수행되는데 반하여, 상기 탈탄 온도는 830℃와 880℃ 사이에 있는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 강(steel)에 포함된 알루미늄의 양이 150과 450 ppm 사이에서 이루어지는 전기적 목적을 위한 강의 제조 공정.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 2차 재결정화 열처리 동안 700℃에서 1200℃로 스트립을 가열하는 것이 2 내지 10시간 사이에서 이루어지는 전기적 목적을 위한 강의 제조 공정.
- 제10항에 있어서, 700℃에서 1200℃로 상기 스트립을 가열하는 시간이 4시간 미만인 전기적 목적을 위한 강의 제조 공정.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITRM96A000903 | 1996-12-24 | ||
| IT96RM000903A IT1290171B1 (it) | 1996-12-24 | 1996-12-24 | Procedimento per il trattamento di acciaio al silicio, a grano orientato. |
| PCT/EP1997/004009 WO1998028453A1 (en) | 1996-12-24 | 1997-07-24 | Process for the treatment of grain oriented silicon steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000062310A true KR20000062310A (ko) | 2000-10-25 |
| KR100561140B1 KR100561140B1 (ko) | 2006-03-15 |
Family
ID=11404619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019997005739A Expired - Lifetime KR100561140B1 (ko) | 1996-12-24 | 1997-07-24 | 방향성 결정립 규소강의 제조 방법 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6406557B1 (ko) |
| EP (1) | EP0950120B1 (ko) |
| JP (1) | JP2001506703A (ko) |
| KR (1) | KR100561140B1 (ko) |
| CN (1) | CN1073163C (ko) |
| AT (1) | ATE209700T1 (ko) |
| AU (1) | AU4202297A (ko) |
| BR (1) | BR9714234A (ko) |
| CZ (1) | CZ295507B6 (ko) |
| DE (1) | DE69708686T2 (ko) |
| ES (1) | ES2168668T3 (ko) |
| IT (1) | IT1290171B1 (ko) |
| PL (1) | PL182803B1 (ko) |
| RU (1) | RU2184787C2 (ko) |
| SK (1) | SK284523B6 (ko) |
| WO (1) | WO1998028453A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990088437A (ko) * | 1998-05-21 | 1999-12-27 | 에모또 간지 | 철손이매우낮은고자속밀도방향성전자강판및그제조방법 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1290978B1 (it) | 1997-03-14 | 1998-12-14 | Acciai Speciali Terni Spa | Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato |
| JP4258349B2 (ja) * | 2002-10-29 | 2009-04-30 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
| DE10334493B4 (de) * | 2003-07-29 | 2006-01-05 | Klingelnberg Gmbh | Verfahren zum Fräsen von Spiralkegelrädern |
| CN100513060C (zh) * | 2006-05-12 | 2009-07-15 | 武汉分享科工贸有限公司 | 无取向冷轧电工钢板制造方法 |
| CN101768697B (zh) | 2008-12-31 | 2012-09-19 | 宝山钢铁股份有限公司 | 用一次冷轧法生产取向硅钢的方法 |
| DE102011107304A1 (de) | 2011-07-06 | 2013-01-10 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrostahlflachprodukts |
| CN102789872B (zh) * | 2012-08-20 | 2015-07-15 | 烟台正海磁性材料股份有限公司 | 一种钕铁硼磁体及其制备方法 |
| RU2608258C1 (ru) * | 2012-12-28 | 2017-01-17 | ДжФЕ СТИЛ КОРПОРЕЙШН | Способ производства текстурированного листа из электротехнической стали |
| DE102014104106A1 (de) | 2014-03-25 | 2015-10-01 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zur Herstellung von hochpermeablem kornorientiertem Elektroband |
| KR101988142B1 (ko) * | 2014-09-04 | 2019-06-11 | 제이에프이 스틸 가부시키가이샤 | 방향성 전기 강판의 제조 방법 및 질화 처리 설비 |
| CN107075602B (zh) * | 2014-09-26 | 2020-04-14 | 杰富意钢铁株式会社 | 方向性电磁钢板、方向性电磁钢板的制造方法、方向性电磁钢板的评价方法及铁心 |
| DE102015114358B4 (de) | 2015-08-28 | 2017-04-13 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zum Herstellen eines kornorientierten Elektrobands und kornorientiertes Elektroband |
| CN110438439B (zh) * | 2019-08-30 | 2021-03-19 | 武汉钢铁有限公司 | 气氛区域可调式的渗氮装置及其连续气体渗氮工艺 |
| CN113174546B (zh) * | 2021-04-15 | 2022-06-14 | 鞍钢股份有限公司 | 一种解决取向硅钢热轧板晶粒粗大的方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5472521A (en) * | 1933-10-19 | 1995-12-05 | Nippon Steel Corporation | Production method of grain oriented electrical steel sheet having excellent magnetic characteristics |
| SU1275053A1 (ru) * | 1985-03-20 | 1986-12-07 | Новолипецкий Ордена Ленина Металлургический Комбинат | Способ производства холоднокатаной анизотропной электротехнической стали |
| JPH0717961B2 (ja) * | 1988-04-25 | 1995-03-01 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
| US5759293A (en) * | 1989-01-07 | 1998-06-02 | Nippon Steel Corporation | Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip |
| JP2782086B2 (ja) * | 1989-05-29 | 1998-07-30 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
| JPH0730397B2 (ja) * | 1990-04-13 | 1995-04-05 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
| JP2883226B2 (ja) * | 1991-06-27 | 1999-04-19 | 川崎製鉄株式会社 | 磁気特性の極めて優れた薄方向性けい素鋼板の製造方法 |
| JP2519615B2 (ja) * | 1991-09-26 | 1996-07-31 | 新日本製鐵株式会社 | 磁気特性の優れた方向性電磁鋼板の製造方法 |
| KR960010811B1 (ko) * | 1992-04-16 | 1996-08-09 | 신니뽄세이데스 가부시끼가이샤 | 자성이 우수한 입자배향 전기 강 시트의 제조방법 |
| US5507883A (en) * | 1992-06-26 | 1996-04-16 | Nippon Steel Corporation | Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same |
| DE4311151C1 (de) * | 1993-04-05 | 1994-07-28 | Thyssen Stahl Ag | Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten |
| JP3240035B2 (ja) * | 1994-07-22 | 2001-12-17 | 川崎製鉄株式会社 | コイル全長にわたり磁気特性に優れた方向性けい素鋼板の製造方法 |
| JP3598590B2 (ja) * | 1994-12-05 | 2004-12-08 | Jfeスチール株式会社 | 磁束密度が高くかつ鉄損の低い一方向性電磁鋼板 |
| FR2731713B1 (fr) * | 1995-03-14 | 1997-04-11 | Ugine Sa | Procede de fabrication d'une tole d'acier electrique a grains orientes pour la realisation notamment de circuits magnetiques de transformateurs |
| US5643370A (en) * | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
| US5885371A (en) * | 1996-10-11 | 1999-03-23 | Kawasaki Steel Corporation | Method of producing grain-oriented magnetic steel sheet |
-
1996
- 1996-12-24 IT IT96RM000903A patent/IT1290171B1/it active IP Right Grant
-
1997
- 1997-07-24 JP JP52827498A patent/JP2001506703A/ja active Pending
- 1997-07-24 EP EP97940018A patent/EP0950120B1/en not_active Expired - Lifetime
- 1997-07-24 RU RU99116259/02A patent/RU2184787C2/ru not_active IP Right Cessation
- 1997-07-24 CZ CZ19992308A patent/CZ295507B6/cs not_active IP Right Cessation
- 1997-07-24 DE DE69708686T patent/DE69708686T2/de not_active Expired - Lifetime
- 1997-07-24 SK SK862-99A patent/SK284523B6/sk not_active IP Right Cessation
- 1997-07-24 AU AU42022/97A patent/AU4202297A/en not_active Abandoned
- 1997-07-24 ES ES97940018T patent/ES2168668T3/es not_active Expired - Lifetime
- 1997-07-24 WO PCT/EP1997/004009 patent/WO1998028453A1/en not_active Ceased
- 1997-07-24 BR BR9714234-4A patent/BR9714234A/pt not_active IP Right Cessation
- 1997-07-24 KR KR1019997005739A patent/KR100561140B1/ko not_active Expired - Lifetime
- 1997-07-24 US US09/331,273 patent/US6406557B1/en not_active Expired - Lifetime
- 1997-07-24 CN CN97180953A patent/CN1073163C/zh not_active Expired - Fee Related
- 1997-07-24 AT AT97940018T patent/ATE209700T1/de active
- 1997-07-24 PL PL97333916A patent/PL182803B1/pl unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990088437A (ko) * | 1998-05-21 | 1999-12-27 | 에모또 간지 | 철손이매우낮은고자속밀도방향성전자강판및그제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69708686T2 (de) | 2004-03-04 |
| ES2168668T3 (es) | 2002-06-16 |
| RU2184787C2 (ru) | 2002-07-10 |
| SK86299A3 (en) | 2000-01-18 |
| BR9714234A (pt) | 2000-04-18 |
| PL333916A1 (en) | 2000-01-31 |
| EP0950120B1 (en) | 2001-11-28 |
| DE69708686D1 (de) | 2002-01-10 |
| PL182803B1 (pl) | 2002-03-29 |
| IT1290171B1 (it) | 1998-10-19 |
| CN1073163C (zh) | 2001-10-17 |
| WO1998028453A1 (en) | 1998-07-02 |
| EP0950120A1 (en) | 1999-10-20 |
| CZ230899A3 (cs) | 2000-06-14 |
| KR100561140B1 (ko) | 2006-03-15 |
| JP2001506703A (ja) | 2001-05-22 |
| SK284523B6 (sk) | 2005-05-05 |
| ITRM960903A0 (it) | 1996-12-24 |
| CN1244220A (zh) | 2000-02-09 |
| ITRM960903A1 (it) | 1998-06-24 |
| US6406557B1 (en) | 2002-06-18 |
| ATE209700T1 (de) | 2001-12-15 |
| CZ295507B6 (cs) | 2005-08-17 |
| AU4202297A (en) | 1998-07-17 |
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