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1. 发明授权

US3871927A Process for producing a high-permeability alloy for magnetic recording-reproducing heads 失效
标题翻译：用于制造用于磁记录再现头的高磁导率合金的方法
公开(公告)号：US3871927A
公开(公告)日：1975-03-18
申请号：US38113473
申请日：1973-07-20
申请人： ELECT & MAGN ALLOYS RES INST
发明人： MASUMOTO HAKARU , MURAKAMI YUETSU , HINAI MASAKATSU
IPC分类号： C22C19/00 , G11B5/147 , H01F1/00
CPC分类号： C22C19/00 , G11B5/147
摘要： A magnetic recording and reproducing heads having a high permeability and high hardness, consisting of 60.2 to 85.0 Wt.% of nickel, 6.0 to 30.0 Wt.% of iron and 3.1 to 23.0 Wt.% of tantalum as the main ingredient, and a total amount of 0.01 to 10.0 Wt.% of at least one element selected from the group consisting of 0 to 7.0 Wt.% of molybdenum, 0 to 5.0 Wt.% of chromium, 0 to 10.0 Wt.% of tungsten, 0 to 7.0 Wt.% of vanadium, 0 to 3.1 Wt.% of niobium, 0 to 10.0 Wt.% of manganese, 0 to 7.0 Wt.% of germanium, 0 to 5.0 Wt.% of titanium, 0 to 5.0 Wt.% of zirconium, 0 to 5.0 Wt.% of aluminum, 0 to 5.0 Wt.% of silicon, 0 to 5.0 Wt.% of tin, 0 to 5.0 Wt.% of antimony, 0 to 10.0 Wt.% of cobalt and 0 to 10.0 Wt.% of copper as the subingredient, and an inevitable amount of impurities, characterized in that the alloy has the degree of order of 0.1 to 0.6, the Vickers hardness of more than 150, the initial permeability of more than 3,000 and maximum permeability of more than 5,000, and a method of manufacturing a magnetic recording and reproducing head having a high permeability, by heating said alloy articles at a temperature above 800*C but lower than the melting point in a non-oxidizing atmosphere or in vacuo for at least more than 1 minute but not longer than 100 hours depending upon the composition, and cooling from a temperature of more than orderdisorder transformation point to a room temperature at a suitable speed depending upon the composition so as to provide the degree of order of 0.1 to 0.6 and the Vickers hardness of more than 150.
摘要翻译：具有高磁导率和高硬度的磁记录和再现磁头，由60.2至85.0重量％的镍，6.0至30.0重量％的铁和3.1至23.0重量百分比的钽作为主要成分，总计 0.01〜10.0重量％的选自0〜7.0重量％的钼，0〜5.0重量％的铬，0〜10.0重量％的钨，0〜7.0重量％的至少一种元素的钒，0〜3.1重量％的铌，0〜10.0重量％的锰，0〜7.0重量％的锗，0〜5.0重量％的钛，0〜5.0重量％的锆， 0〜5.0重量％的铝，0〜5.0重量％的硅，0〜5.0重量％的锡，0〜5.0重量％的锑，0〜10.0重量％的钴，0〜10.0重量份。百分比的铜作为辅助材料，以及不可避免的杂质量，其特征在于该合金的量级为0.1至0.6，维氏硬度大于150，初始磁导率大于3000，最大磁导率大于 5,000，和一种方法制造具有高磁导率的磁记录和再现头，通过在非氧化性气氛或真空中在高于800℃但低于熔点的温度下加热所述合金制品至少1分钟但不超过取决于组成，100小时，并根据组合物以合适的速度从大于无序变换点的温度冷却至室温，以提供0.1至0.6的量级，维氏硬度更高超过150。

2. 发明授权

US3794530A High-permeability ni-fe-ta alloy for magnetic recording-reproducing heads 失效
标题翻译：用于磁记录复制头的高透气性NI-FE-TA合金
公开(公告)号：US3794530A
公开(公告)日：1974-02-26
申请号：US3794530D
申请日：1972-09-19
申请人： ELECT & MAGN ALLOYS RES INST
发明人： MASUMOTO H , MURAKAMI Y , HINAI M
IPC分类号： H01F1/147 , C22C19/00 , C22C19/03 , C22F1/00 , C22F1/10 , G11B5/147 , C04B35/00 , H01F1/00
CPC分类号： C22C19/00 , G11B5/147
摘要： A MAGNETIC RECORDING AND REPRODUCING HEADS HAVING A HIGH PERMEABILITY AND HIGH HARDNESS, CONSISTING OF 60.2 TO 85.0 WT. PERCENT OF NICKEL, 6.0 TO 30.0 WT. PERCENT OF IRON AND 3.1 TO 23.0 WT. PERCENT OF TANTALUM AS THE MAIN INGREDIENT, AND A TOTAL AMOUNT OF 0.01 TO 10.0 WT. PERCENT OF AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF 0 TO 7.0 WT. PERCENT OF MOLYBDENUM, 0 TO 5.0 WT. PERCENT OF CHROMIUM, 0 TO 10.0 WT. PERCENT OF TUNGSTEN, 0 TO 7.0 WT. PERCENT OF VANADIUM, 0 TO 3.1 WT. PERCENT OF NIOBIUM, 0 TO 10.0 WT. PERCENT OF MANGANESE, 0 TO 7.0 WT. PERCENT OF GERMANIUM, 0 TO 5.0 WT. PERCENT OF TITANIUM, 0 TO 5.0 WT. PERCENT OF ZIRCONIUM, 0 TO 5.0 WT. PERCENT OF ALUMINUM, 0 TO 5.0 WT. PERCENT OF SILICON, 0 TO 5.0 WT. PERCENT OF TIN, 0 TO 5.0 WT. PERCENT OF ANTIMONY, 0 TO 10.0 WT. PERCENT OF COBALT AND 0 TO 10.0 WT. PERCENT OF COPPER AS THE SUBINGREDIENT, AND AN INEVITABLE AMOUNT OF IMPURITIES, CHARACTERIZED IN THAT THE ALLOY HAS THE DEGREE OF ORDER OF 0.1 TO 0.6, THE VICKERS HARDNESS OF MORE THAN 150, THE INITIAL PERMEABILITY OF MORE THAN 3,000 AND MAXIMUM PERMEABILITY OF MORE THAN 5,000, AND A METHOD OF MANUFACTURING A MAGNETIC RECORDING AD REPRODUCING HEAD HAVING A HIGH PERMEABILITY, BY HEATING SAID ALLOY ARTICLES AT A TEMPERATURE ABOVE 800*C. BUT LOWER THAN THE MELTING POINT IN A NON-OXIDIZING ATMOSPHERE OR IN VACUO FOR AT LEAST MORE THAN 1 MINUTE BUT NOT LONGER THAN 100 HOURS DEPENDING UPON THE COMPOSITION, AND COOLING FROM A TEMPERATURE OF MORE THAN ORDER-DISORDER TRANSFORMATION POINT TO A ROOM TEMPERATURE AT A SUITABLE SPEED DEPENDING UPON THE COMPOSITION SO AS TO PROVIDE THE DEGREE OF ORDER OF 0.1 TO 0.6 AND THE VICKERS HARDNESS OF MORE THAN 150.

3. 发明授权

US3932204A Cobalt-aluminum magnetic materials with high coercive force 失效
标题翻译：具有高矫顽力的钴铝磁性材料
公开(公告)号：US3932204A
公开(公告)日：1976-01-13
申请号：US17820871
申请日：1971-09-07
申请人： ELECT & MAGN ALLOYS RES INST
发明人： MASUMOTO HAKARU , WATANABE KIYOSHI
IPC分类号： H01F1/04 , H01F1/02
CPC分类号： H01F1/04
摘要： Magnetic materials having large coercive force consist essentially of 66 to 95% by weight of Co, 5 to 25% by weight of Al, and a small but effective amount of at least one of Ti, Mo, Cr, V and W, the amount of the third metal being effective to increase the coercive force substantially above the coercive force of the same Co-Al alloy without that third metal.
摘要翻译：具有大矫顽力的磁性材料基本上由Co组成的重量百分比为66-95％，Al为5-25％（重量），Ti，Mo，Cr，V和W中至少一种为少量，的第三金属有效地增加绝对高于没有第三金属的相同Co-Al合金的矫顽力的矫顽力。

4. 发明授权

US3743550A Alloys for magnetic recording-reproducing heads 失效
标题翻译：磁记录复制头合金
公开(公告)号：US3743550A
公开(公告)日：1973-07-03
申请号：US3743550D
申请日：1971-06-17
申请人： ELECT & MAGN ALLOYS RES INST
发明人： MASUMOTO H , MURAKAMI Y , HINAI M
IPC分类号： C22C19/00 , G11B5/147 , H01F1/147 , H01F1/04
CPC分类号： H01F1/14708 , C22C19/00 , G11B5/147
摘要： A ferromagnetic alloy of magnetic recording-reproducing heads, essentially consisting of 70.0 to 84.8 Wt.% of nickel, 5.0 to 25.5 Wt.% of iron, and 3.1 to 14.0 Wt.% of niobium, and having Vickers hardness of above 150 and a high initial permeability and a maximum permeability of above 3,000 and 5,000, respectively, and a degree of order greater than 0.1 but less than 0.6.
摘要翻译：一种磁记录再生磁头的铁磁合金，其主要由70.0至84.8Wt％的镍，5.0至25.5Wt％的铁和3.1至14.0Wt％的铌组成，维氏硬度在150以上，高初始渗透率和最大渗透率分别高于3,000和5,000，并且顺序大于0.1但小于0.6。

5. 发明授权

US3519502A Method of manufacturing sintered metallic magnets 失效
标题翻译：制造烧结金属磁铁的方法
公开(公告)号：US3519502A
公开(公告)日：1970-07-07
申请号：US3519502D
申请日：1965-08-02
申请人： ELECT & MAGN ALLOYS RES INST
发明人： MASUMOTO HAKARU , KOBAYASHI TAKEO , WATANABE KIYOSHI
IPC分类号： C22C19/00 , C22C19/07 , C22F1/10 , H01F1/08 , C21D1/04
CPC分类号： H01F1/086 , C22C19/00

6. 发明专利

JP2003258333A MAGNETO RESISTIVE FILM WITH SMALLER TEMPERATURE COEFFICIENT OF MAGNETO RESISTIVE RATIO 审中-公开
公开(公告)号：JP2003258333A
公开(公告)日：2003-09-12
申请号：JP2002109814
申请日：2002-03-06
申请人： ELECT & MAGN ALLOYS RES INST
发明人： KOBAYASHI NOBUKIYO , ONUMA SHIGEHIRO , MASUMOTO TAKESHI
IPC分类号： H01F10/10 , H01L43/08
摘要： PROBLEM TO BE SOLVED: To provide a magneto resistive film which is useable in an environment where a temperature change is large, and which has a smaller temperature coefficient of a magneto resistive ratio (MR ratio), and exhibits greater magneto resistive effect with the MR ratio of 5% or more, and further which has a higher electric resistivity of 10 4 μΩcm or more. SOLUTION: A magneto resistive film is represented by a general formula (Fe 1-a-b Co a Ni b ) 100-x-y-z M x O y F z , with M being a nano-granular thin film comprising an element of one kind or more selected from Be, Mg, Al, Si, Ca, Ti, V, Cr, Sr, Zr, Nb, Mo, Ba, Hf, Ta, W, and a rear earth element, and has a temperature coefficient of an MR ratio of ±500 ppm/°C within a temperature range of from -50 to +120°C, and further exhibits greater magneto resistive effect having the MR ratio of 5% or more together with an electric resistivity of 10 4 μΩcm or higher. COPYRIGHT: (C)2003,JPO

7. 发明专利

JP2002158486A ELECTROMAGNETIC WAVE ABSORBING FILM 失效
公开(公告)号：JP2002158486A
公开(公告)日：2002-05-31
申请号：JP2000391623
申请日：2000-11-17
申请人： ELECT & MAGN ALLOYS RES INST
发明人： ONUMA SHIGEHIRO , KOBAYASHI NOBUKIYO , MASUMOTO TAKESHI
IPC分类号： H01F1/00 , H04B15/00 , H05K9/00
摘要： PROBLEM TO BE SOLVED: To provide a electromagnetic wave absorbing film which is formed of nano-granular soft magnetic film that is large in electric resistivity, saturation magnetization, and anisotropic magnetic field, and has a large absorbing characteristic of electromagnetic wave in the GHz band. SOLUTION: This electromagnetic wave absorbing film is formed of nano- granular soft magnetic film, which is represented by a general expression, M100-XIX (M is highly densely distributed ferromagnetic fine grains that are made of either of Co and Ni or more than two kinds of elements and have a particle size of 10 nm or less, and I is a grain boundary substance made of insulator such as an oxide, nitride, or fluoride, etc., surrounding the ferromagnetic fine grains of M, and an atomic ratio X of I is 10

8. 发明专利

JP2002131407A THIN FILM MAGNETIC FIELD SENSOR 失效
公开(公告)号：JP2002131407A
公开(公告)日：2002-05-09
申请号：JP2000367822
申请日：2000-10-26
申请人： ELECT & MAGN ALLOYS RES INST
发明人： KOBAYASHI NOBUKIYO , YANO TAKESHI , ONUMA SHIGEHIRO , MASUMOTO TAKESHI
IPC分类号： G01R33/09 , G11B5/39 , H01L43/08
摘要： PROBLEM TO BE SOLVED: To provide a magnetic field sensor having a simple constitution and high magnetic field detection sensitivity and no error due to temperature variation and capable of detecting the absolute value of impressed magnetic field intensity. SOLUTION: A conductive film 6 is arranged on both sides of a large magnetic field resistance thin film, an element 10 provided with electric terminals 8 and 9 is introduced and a bridge circuit consisting of an element 5 and the element 10 as two arms is formed. Although the sensitivity for a magnetic field of electric value of the element 10 is practically zero in a small magnetic field, electric resistance value variation due to a cause other than magnetic field impression is equal to the element 5. The output voltage of the bridge is proportional to the difference of the electric resistance values of the element 5 and 10 and so variation causes other than those of magnetic field impression such as temperature variation of the large magnetic resistance thin film are cancelled from the output voltage of the bridge. Thus an exact impressed magnetic field value can be obtained.

9. 发明专利

JP2002057381A TUNNEL JUNCTION FILM 失效
公开(公告)号：JP2002057381A
公开(公告)日：2002-02-22
申请号：JP2000275666
申请日：2000-08-08
申请人： ELECT & MAGN ALLOYS RES INST
发明人： KOBAYASHI NOBUMASA , ONUMA SHIGEHIRO , MASUMOTO TAKESHI
IPC分类号： G01R33/09 , G11B5/39 , H01L21/203 , H01L43/08
摘要： PROBLEM TO BE SOLVED: To provide a tunnel junction film having a stable and thin tunnel insulating layer with few defects. SOLUTION: The tunnel junction film comprises an upper magnetic layer, a lower magnetic layer and an insulating layer interposed between the upper layer and the lower layer to exhibit a tunnel magnetoresistive effect. In this film, the insulating layer is made of a fluoride insulator of MgF2, CaF2, SrF2 or BaF2, and is a crystal phase.

10. 发明专利

JP2001049375A Al ALLOY HAVING EXCELLENT VIBRATION ABSORBABILITY AND ITS PRODUCTION 失效
公开(公告)号：JP2001049375A
公开(公告)日：2001-02-20
申请号：JP25609399
申请日：1999-08-06
申请人： ELECT & MAGN ALLOYS RES INST
发明人： KISHIDA NORIO , MURAKAMI YUETSU , KANEKO HIDEO , MASUMOTO TAKESHI
IPC分类号： C22F1/04 , C22C21/00 , C22F1/00
摘要： PROBLEM TO BE SOLVED: To provide a lightweight vibration absorbing alloy having high vibration absorbing characteristics and excellent in workability by subjecting an alloy contg. one or two kinds of Li, Ti, Zr, Mn, Sc, Y and rare earth elements and the balance essential Al and contg., as assistant components, one or more kinds of various elements to a stage of high temp. heat treatment or cold working after heat treatment. SOLUTION: This alloy has a compsn. contg. one or more kinds of Li, Ti, Zr and Mn, by atom, of 0.01 to 15% in total and one or more kinds of Sc, Y and rare earth elements of 0.01 to 10% in total and the balance essentially Al and contg., as assistant components, one or >= two kinds among Zn, Pb and Sb of =10×10-3 damping capacity. As to the producing method, after heating at 250 deg.C to the temp. below the m.p. for >=5 min, cooling is executed at >=0.1 deg.C/sec, or after the cooling, cold working of >=5% is executed.

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