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1. 发明专利

JPS5947341A Abrasion-resistant magnetic material 失效
标题翻译：耐磨磁性材料
公开(公告)号：JPS5947341A
公开(公告)日：1984-03-17
申请号：JP15514482
申请日：1982-09-08
申请人： Alps Electric Co Ltd , Hiroshi Kimura , Takeshi Masumoto
发明人： MASUMOTO TAKESHI , KIMURA HIROSHI , MUKASA KOUICHI , YAMADA YASUHIKO , MAKINO TERUHIRO
IPC分类号： C22C1/10 , C22C32/00 , C22C38/00 , C22C45/04 , H01F1/153
CPC分类号： H01F1/15366 , C22C32/00 , H01F1/15358
摘要： PURPOSE: To provide an abrasion-resistant magnetic material having excellent mechanical properties by dispersing the 2nd phase particles having no compatibility with an amorphous magnetic alloy, crystalline magnetic alloy and an ultraquickly-cooled magnetic alloy consisting of the mixed phases thereof into the matrix of said alloys.
CONSTITUTION: An ultraquickly-cooled magnetic alloy is manufactured of an amorphous magnetic alloy, crystalline magnetic alloy or mixed phases thereof. Such ultraquickly-cooled magnetic alloy is used as a matrix and at least one kind of the 2nd phase particles having no compatibility with such magnetic alloys are added thereto. The matrix is then heated to the temp. at which only the magnetic alloy components melt and the 2nd phase particles do not melt to disperse the 2nd phase particles, thereby manufacturing an abrasion-resistant material. For example, carbon or compounds thereof such as C, WC, NbC or the like, oxides such as Al
2 O
3 , Fe
2 O
3 , SiO
2 or the like, metals or alloys such as Ti, Mo, W, or the like or their composites are adaptable for the 2nd phase particles.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：提供一种具有优异机械性能的耐磨磁性材料，将与非晶磁性合金，结晶磁性合金和由其混合相组成的超微型冷却磁性合金不兼容的第二相颗粒分散到所述合金。构成：超高温磁性合金由非晶磁性合金，结晶磁性合金或其混合相制造。使用这种超高速冷却的磁性合金作为基体，并且向其中添加至少一种与这种磁性合金不相容的第二相颗粒。然后将基质加热至温度。其中只有磁性合金组分熔化，第2相颗粒不熔化以分散第2相颗粒，从而制造耐磨材料。例如，碳或其化合物如C，WC，NbC等，氧化物如Al2O3，Fe2O3，SiO2等，金属或合金如Ti，Mo，W等或其复合材料适用于第二相颗粒。

2. 发明专利

JPS60143431A RECORDING MEDIUM FOR VERTICAL MAGNETIC RECORDING 失效
公开(公告)号：JPS60143431A
公开(公告)日：1985-07-29
申请号：JP24736883
申请日：1983-12-29
申请人： ALPS ELECTRIC CO LTD
发明人： HATAUCHI TAKASHI , MUKASA KOUICHI , NAKAJIMA HIROMI , SATOU HIROSHI
IPC分类号： G11B5/708 , G11B5/64 , G11B5/66
摘要： PURPOSE:To manufacture a recording medium for vertical magnetic recording having excellent sliding property and magnetic characteristic without decreasing the magnetic characteristic by adding approximately uniformly carbon to a magnetic layer. CONSTITUTION:A magnetic layer consists essentially of cobalt and is added with carbon thereto. If the carbon content exceeds 50atom%, all of a satd. magnetic flux density Bs, vertical anisotropic magnetic field intensity HK, the holding power HC1 in a vertical direction and the holding power HC11 in vertical direction tend to decrease and therefore the carbon content is restricted to an about 10-50atom% range. A Co-C alloy maintains always

3. 发明专利

JPS6058687A TENSILE FORCE SENSOR 失效
公开(公告)号：JPS6058687A
公开(公告)日：1985-04-04
申请号：JP16588183
申请日：1983-09-10
申请人： ALPS ELECTRIC CO LTD
发明人： MUKASA KOUICHI
IPC分类号： G01L1/12 , G01L5/10 , H01L41/12 , H01L41/20
摘要： PURPOSE:To improve the durability of the title device by obtaining the high excellent effect of magnetostrain by a method wherein the second phase particles are composed of composite materials obtained by uniform dispersion of a kind in three dimensions, in a super quenched alloy matrix made of amorphous or crystalline soft magnetic substance, or the mixture thereof. CONSTITUTION:A ribbon 13 of this device made of a soft magnetic substance is formed in a ring, both ends being held by a holding member 17, and part of the ribbon 13 being then wound with an exciting coil 18 so as not to prevent elastic deformation. The tensile force of a magnetic tape 21 is transmitted to an inductance device 20 by means of this ribbon 13 via lead wire 19. In manufacturing this ribbon 13 made of a soft magnetic substance, the alloy base material 11 constituting the super quenched alloy matrix is melted by heating in a vacuum high frequency melting furnace 2, and its ingot is cast into a mold 3. On the other hand, the second phase particles 4 are cast into the mold 3 from a plasma frame spraying powder supplier 5. The characteristics of the sensor are made excellent by the spray-dispersion of these particles 4 by means of Ar gas and the like in a bomb 6.

4. 发明专利

JPS59112414A Magnetic head 失效
标题翻译：磁头
公开(公告)号：JPS59112414A
公开(公告)日：1984-06-28
申请号：JP22215382
申请日：1982-12-20
申请人： Alps Electric Co Ltd
发明人： MAKINO TERUHIRO , MUKASA KOUICHI
IPC分类号： C22C19/03 , G11B5/127 , G11B5/147 , G11B5/255 , H01F1/14
CPC分类号： H01F1/14 , C22C19/03
摘要： PURPOSE: To provide a high satd. magnetic flux density and to improve a wear resistance characteristic by using a "Permalloy" core wherein the content of Ta in a ternary alloy consisting of Ni, Fe and Ta is regulated in a specific range.
CONSTITUTION: The content of Ta in a ternary alloy of Ni-Fe-Ta is regulated to a range of about ≥1.5wt% and
摘要翻译：目的：提供一个高的satd。磁通密度，并且通过使用“坡莫合金”芯改善耐磨特性，其中由Ni，Fe和Ta组成的三元合金中的Ta的含量被调节在特定范围内。构成：为了获得保持高磁通量和良好加工性的“坡莫合金”，将Ni-Fe-Ta的三元合金中的Ta的含量调节至约> = 1.5重量％和<3重量％的范围以及优异的耐磨性。通过向Ni-Fe-Ta的三元合金中添加轻微的Nb以及与Nb和Ti轻微添加的5元素合金形成的4元素合金构成的多元素“坡莫合金”另外提高了耐磨性。

5. 发明专利

JPS5990217A THIN-FILM MAGNETIC RECORDING HEAD 失效
公开(公告)号：JPS5990217A
公开(公告)日：1984-05-24
申请号：JP19832982
申请日：1982-11-13
申请人： ALPS ELECTRIC CO LTD
发明人： SHIMADA HIROSHI , HATAUCHI TAKASHI , NAKAJIMA HIROMI , MUKASA KOUICHI
IPC分类号： G11B5/31
摘要： PURPOSE:To provide a magnetic recording head with high saturated magnetic flux density and superior soft magnetic characteristics and to improve its recording efficiency by forming a magnetic core by using a thin film of amorphous alloy such as of Co-Zr-Nb alloy of specific composition. CONSTITUTION:The magnetic layer 2 of amorphous three-component alloy is formed on a nonmagnetic material substrate 1 of glass, etc., by sputtering so that the alloy consists essentially of Co and contains about 2.5wt% Zr while the total content of Zr and Nb is about 5-20wt% at a 6.5:10.1wt. ratio of Zr and Nb. The layer is heat-treated in a rotating magnetic field to obtain a hard magnetization axis in the operating direction of the core thin film 2. Then, an insulating thin film 3, conductive thin film 4, and insulating thin film 5 are formed successively and the 2nd magnetic core thin film 6 is formed with the same alloy as the 1st core thin film 2 by a similar treatment. Thus, the extremely thin core films 2 and 6 are formed to improve the recording efficiency of the magnetic head.

6. 发明专利

JPS58177511A Magnetic head 失效
标题翻译：磁头
公开(公告)号：JPS58177511A
公开(公告)日：1983-10-18
申请号：JP5820382
申请日：1982-04-09
申请人： Alps Electric Co Ltd
发明人： OONISHI KAZUMASA , MUKASA KOUICHI , HATAUCHI TAKASHI , NAKAJIMA HIROMI
IPC分类号： G11B5/105 , G11B5/187 , G11B5/255 , G11B21/21
CPC分类号： G11B5/187
摘要： PURPOSE:To obtain wear resistance and to improve lubricity with a magnetic recording medium by using a composite material of a carbon material and mechanical strength reinforcing materials for at least the surface part of a core holding member where the magnetic recording medium comes into sliding contact. CONSTITUTION:The carbon material uses a carbonaceous or graphitic material or mixture of them such as graphite and coke. There are a binding and an impregnant material as mechanical strength reinforcing materials and the binding material uses a resin binding material, metallic binding material, etc. The resin binding material uses various kinds of thermosetting resin or thermoplastic resin. The metallic binding material uses copper, nickel, etc., independently or their alloys. The metallic impregnant material uses tin, antimony, etc., independently or their alloys. A small amount of pitch as the binding material is mixed with the carbon material granulated to less than specific grain size and the mixture is pressurized and formed in the shape of a core holding member. This material is sintered at about 1,100 deg.C in a nitorgen atmosphere and then put in an autoclave, which is evacuated to remove the gas in the sintered body, andthe sintered body is impregnated with the fused metallic impregnant material to comlete a magnetic head.
摘要翻译：目的：通过使用碳材料和机械强度增强材料的复合材料，至少磁性记录介质滑动接触的芯保持构件的表面部分，获得耐磨性和提高使用磁记录介质的润滑性。构成：碳材料使用碳质或石墨材料或它们的混合物，例如石墨和焦炭。作为机械强度增强材料具有粘合剂和浸渍剂材料，并且粘合材料使用树脂粘结材料，金属粘结材料等。树脂粘合材料使用各种热固性树脂或热塑性树脂。金属结合材料独立地使用铜，镍等或其合金。金属浸渍剂材料独立使用锡，锑等，或其合金。作为粘合材料的少量沥青与被粉碎成小于特定粒度的碳材料混合，混合物被加压并形成为芯保持构件的形状。该材料在nitorgen气氛中在约1100℃下烧结，然后放入高压釜中，将其抽真空除去烧结体中的气体，烧结体用熔融金属浸渍剂浸渍以制成磁头。

7. 发明专利

JPS57117105A Erasing head 失效
标题翻译：擦除头
公开(公告)号：JPS57117105A
公开(公告)日：1982-07-21
申请号：JP278781
申请日：1981-01-12
申请人： Alps Electric Co Ltd
发明人： KATOU YOSHIAKI , MUKASA KOUICHI
IPC分类号： G11B5/024 , G11B5/325
CPC分类号： G11B5/024 , G11B5/325
摘要： PURPOSE:To allow erasing of magnetism completely without using electric power for erasure with a simple constitution, by butting the 1st and 2nd permanent magnets, sticking the 3rd magnet at the side of the 2nd magnet, and demagnetizing the magnetic field strength in lengthwise direction. CONSTITUTION:In an erasing head, the 1st and 2nd permanent magnets 2, 3, and the 3rd permanent magnet 4 erasing the magnetic field in lengthwise direction of a tape 1 at the right side are provided. With this constitution, magnetized direction M1 of magnetic particles of the tape 1 is oriented in broadwise direction of the tape 1 with the magnetic field of a gap 5, and the magnetic field is zero at the boundary of the magnets 3, 4, the M1 is changed to an easy magnetization axis +M1 or -M1 as AC demagnetization state. Then, the magnetized direction goes to M2 by the magnetic field of the magnet 4, and the magnetization becomes +M2 or -M2 when the magnet 4 is detached for complete demagnetization. Thus, complete demagnetization can be made the same as AC demagnetization without using power, and recording without noise can be made.
摘要翻译：目的：为了能够以简单的结构完全不使用电力擦除磁性，通过对接第1永久磁铁和第2永久磁铁，将第3磁体固定在第2磁铁的侧面，并使磁场强度沿长度方向退磁。构成：在擦除头中，设置在右侧的磁带1的沿长度方向擦除磁场的第1永久磁铁2,3和第2永久磁铁4。利用这种结构，磁带1的磁性颗粒的磁化方向M1在磁带1的宽度方向上以间隙5的磁场定向，磁体在磁体3,4的边界处为零，M1 变为易磁化轴+ M1或-M1作为交流去磁状态。然后，通过磁体4的磁场，磁化方向进入M2，当磁体4脱离以进行完全退磁时，磁化变为+ M2或-M2。因此，可以在不使用电力的情况下完全消磁作为AC去磁，并且可以进行无噪声的记录。

8. 发明专利

JPS60101710A VERTICAL MAGNETIC RECORDING MEDIUM 失效
公开(公告)号：JPS60101710A
公开(公告)日：1985-06-05
申请号：JP20691083
申请日：1983-11-05
申请人： ALPS ELECTRIC CO LTD
发明人： MUKASA KOUICHI , HATAUCHI TAKASHI , NAKAJIMA HIROMI
IPC分类号： G11B5/64 , G11B5/65 , G11B5/66 , G11B5/667
摘要： PURPOSE:To increase anisotropic magnetic field intensity and to obtain an excellent magnetic characteristic by constituting the 2nd magnetic layer of a specific three-component alloy thereby making the ratio of the vertical residual magnetic flux density >=1. CONSTITUTION:A vertical magnetic recording medium is constituted by forming successively the 1st magnetic layer 2 and 2nd magnetic layer 3 consisting of a solft magnetic material on the surface of a base material. The 2nd magnetic layer 3 is constituted of a three-component alloy consisting principally of Co and added with Cr and Ta thereto. The excellent magnetic characteristic having >=1 vertical residual magnetic flux density ratio and high magnetic field intensity is obtd. by adding particularly 0.1-1.1atom% Ta thereto.

9. 发明专利

JPS6029925A VERTICAL MAGNETIC RECORDING MEDIUM 失效
公开(公告)号：JPS6029925A
公开(公告)日：1985-02-15
申请号：JP13762383
申请日：1983-07-29
申请人： ALPS ELECTRIC CO LTD
发明人： HATAUCHI TAKASHI , NAKAJIMA HIROMI , MUKASA KOUICHI
IPC分类号： G11B5/66 , C09D177/00 , C09D179/08 , C09D183/00 , G11B5/64 , G11B5/667 , G11B5/73 , G11B5/738
摘要： PURPOSE:To obtain a medium having a good surface characteristic and high elasticity by forming a soft magnetic film such as a ''Permalloy'' film or the like on a high polymer film and forming a vertical magnetized film such as an alloy film composed of cobalt and chromium or the like on the soft magnetic film. CONSTITUTION:A material such as aluminum, stainless steel, phosphor bronze, glass, ceramic or the like is used for an inorg. base plate 4. A high polymer film 3 consisting of a polyimide resin, silicone resin, polyamide resin, etc. is formed on the plate 4. A soft magnetic film 2 consisting of ''Permalloy'', Co amorphous, Fe-B amorphous, etc. is formed thereon and further a vertical magnetized film 1 consisting of Co-Ca, etc. is formed thereon. Since the vertical magnetic recording medium has elasticity, the contact between a main pole 5 and the film 1 is stable, recording of the signal is exact and reproduction sensitivity is good.

10. 发明专利

JPS6025011A MAGNETIC HEAD 失效
公开(公告)号：JPS6025011A
公开(公告)日：1985-02-07
申请号：JP13290883
申请日：1983-07-22
申请人： ALPS ELECTRIC CO LTD
发明人： IIZUKA MASAHIRO , MUKASA KOUICHI , AKIYASU MASAICHI
IPC分类号： C22C1/10 , C22C38/00 , C22C45/00 , C22C45/02 , C22C45/04 , G11B5/127 , G11B5/147 , G11B5/187
摘要： PURPOSE:To obtain a magnetic head having high efficiency by constituting the 1st core to be disposed on the upper stream side of an Fe-Si-Al crystalline alloy and the 2nd core to be disposed on the down stream side of a soft magnetic material having higher magnetic permeability than the 1st core. CONSTITUTION:A soft magnetic material having higher B10 than the 2nd core 23 is used for the 1st core 22 and the sectional area at the tip part 25 where the magnetic flux flows is made narrower than that of the tip part 26 of the core 23 to permit easier magnetic saturation. On the other hand, a soft magnetic material having higher mue than the core 22 is used for the core 23. The magnetic flux of the magnetic field near the part 26 changes sharply as shown by the broken line in the figure. The smaller demagnetizing effect for the record is required for such magnetic flux distribution when a magnetic tape 21 passes and a magnetic head having high efficiency is obtd. An Fe-Si-Al crystalline alloy is adequate as the core 22 and an amporphous alloy of Co-Fe-Si-B or the like is adequate as the core 23. A composite material formed by dispersing uniformly and three-dimensionally at least one kind of the 2nd phase particles in an ultraquickly cooled alloy matrix consisting of an amorphous, crystalline or mixed phases thereof is adequate as the core 23.

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