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41. 发明专利

JP2005203790A Magnetoresistive element, magnetic head, and magnetic reproducing device 审中-公开
标题翻译：磁电元件，磁头和磁性再生装置
公开(公告)号：JP2005203790A
公开(公告)日：2005-07-28
申请号：JP2005007014
申请日：2005-01-14
申请人： Toshiba Corp , 株式会社東芝
发明人： YUASA HIROMI , FUKUZAWA HIDEAKI , FUKUYA HIROMI , IWASAKI HITOSHI , SAHASHI MASASHI
IPC分类号： G11C11/15 , G11B5/39 , H01F10/16 , H01F10/32 , H01L21/8246 , H01L27/105 , H01L43/08 , H01L43/10
摘要： PROBLEM TO BE SOLVED: To provide a current-perpendicular-to-plane structure magnetoresistive element which generates a large amount of resistance changes by essentially reviewing materials for a pin layer with a spin valve structure, a free layer and a spacer layer as well as magnetic heads and magnetic reproducing devices using this element. SOLUTION: A combination of a magnetic material having a negative spin-dependent bulk scattering parameter β and a spacer layer having a negative spin-dependent interface scattering parameter γ provides a magnetoresistive element which has a large resistance changing rate by making use of magnetoresistive effect. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供通过基本上审查具有自旋阀结构的引脚层的材料，自由层和间隔层来产生大量电阻变化的电流 - 垂直于平面结构的磁阻元件以及使用该元件的磁头和磁再现装置。解决方案：具有负自旋相关体散射参数β的磁性材料和具有负自旋相关界面散射参数γ的间隔层的组合提供了一种磁阻元件，其通过利用磁阻效应。版权所有（C）2005，JPO＆NCIPI

42. 发明专利

JP2005072608A Magnetoresistance effect element, magnetic head, and magnetic reproducing equipment 审中-公开
标题翻译：磁阻效应元件，磁头和磁性再生设备
公开(公告)号：JP2005072608A
公开(公告)日：2005-03-17
申请号：JP2004273992
申请日：2004-09-21
申请人： Toshiba Corp , 株式会社東芝
发明人： KOUI KATSUHIKO , IWASAKI HITOSHI , FUKUZAWA HIDEAKI , TOMITA HIROSHI , FUKUYA HIROMI , SAHASHI MASASHI
IPC分类号： G01R33/09 , G11B5/39 , H01F10/26 , H01F10/32 , H01F41/18 , H01F41/32 , H01L43/08 , H01L43/12
摘要： PROBLEM TO BE SOLVED: To provide a manetoresistance effect element having an improved electronic reflective layer at free layer side which can get a magnetoresistive increase effect, a magnetic head, and magnetic reproducing equipment.
SOLUTION: The element comprises magnetic adhesive layer having a ferromagnetic film in which the direction of magnetization is substantially adhered in one direction, magnetic free layer having a ferromagnetic film in which the direction of magnetization changes in accordance with external magnetic field, and non-magnetism interlayer arranged between the above-mentioned magnetic adhesive layer and magnetic free layer. Further, the element is characterized in that high conductive layer having a conductivity higher than those of the above-mentioned magnetic adhesive layer and magnetic free layer is laminated at the opposite side in comparison to the above-mentioned non-magnetism interlayer when seeing from the above-mentioned magnetic free layer side, and a layer which is formed by irradiating ionized gas having the main component of oxide of element different from a main element constituting this high conductive layer to the high conductive layer is laminated.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在自由层侧具有改善的电子反射层的人造电阻效应元件，其可以获得磁阻增加效应，磁头和磁性再现设备。解决方案：元件包括具有铁磁膜的磁性粘合剂层，其中磁化方向基本上沿一个方向粘附，具有铁磁膜的磁性自由层，其中磁化方向根据外部磁场而变化;以及非磁性层间布置在上述磁性粘合剂层和无磁性层之间。此外，该元件的特征在于，与上述非磁性中间层相比，具有比上述磁性粘合剂层和无磁性层的导电性更高的导电性的高导电层与上述非磁性中间层相比层叠上述磁性自由层侧，并且层叠通过将具有与构成该高导电层的主要元素不同的元素的氧化物的主要成分的电离气体照射到高导电性层而形成的层。版权所有（C）2005，JPO＆NCIPI

43. 发明专利

JP2002232035A MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC REPRODUCING HEAD, MAGNETIC REPRODUCER, MAGNETIC STORAGE UNIT AND METHOD FOR SENSING RESISTANCE OF MAGNETORESISTANCE EFFECT FILM 失效
公开(公告)号：JP2002232035A
公开(公告)日：2002-08-16
申请号：JP2001023395
申请日：2001-01-31
申请人： TOSHIBA CORP
发明人： FUKUZAWA HIDEAKI , IWASAKI HITOSHI , KOUI KATSUHIKO , FUKUYA HIROMI , TOMITA HIROSHI , SAHASHI MASASHI
IPC分类号： G01R33/09 , G11B5/39 , H01F10/16 , H01F10/30 , H01F10/32 , H01L21/8246 , H01L27/105 , H01L43/08
摘要： PROBLEM TO BE SOLVED: To provide a magnetoresistance effect element or the like exhibiting a high magnetoresistance change rate and having a good bias point. SOLUTION: The magnetoresistance effect element comprises a magnetoresistance effect film 28 having a first ferromagnetic layer 21, a first nonmagnetic layer 19, second ferromagnetic layers 13, 17 having a magnetization of a second direction, a second nonmagnetic layer 9, a third ferromagnetic layer 7, and a layer 15 containing an oxide as a main component and formed in the second ferromagnetic layer, and a pair of electrodes 31 electrically connected to the film 28 to supply a current in a direction reverse to a second direction of a current magnetic field in the third ferromagnetic layer 5. Thus, a direction of a leakage magnetic field to be applied from the third layer 5 to the first layer 21 can be set to a direction for cancelling a direction of the magnetic field obtained by a sum of interlayer coupling magnetic field of the layer 21 and the layers 13, 17 by interlayer coupling from the second layers 13, 17 to be applied to the first layer 21 to the leakage magnetic field, current magnetic field.

44. 发明专利

JP2000137906A MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD, MAGNETIC HEAD ASSEMBLY AND MAGNETIC RECORDING DEVICE 失效
公开(公告)号：JP2000137906A
公开(公告)日：2000-05-16
申请号：JP9707299
申请日：1999-04-02
申请人： TOSHIBA CORP
发明人： FUKUZAWA HIDEAKI , KAMIGUCHI YUZO , KOUI KATSUHIKO , NAKAMURA SHINICHI , YOSHIKAWA MASATOSHI , HASHIMOTO SUSUMU , SAHASHI MASASHI , IWASAKI HITOSHI , SAITO KAZUHIRO , FUKUYA HIROMI
IPC分类号： G11B5/39 , G01R33/09 , G11B5/66
摘要： PROBLEM TO BE SOLVED: To obtain a magnetoresistance effect element having extremely high sensitivity while maintaining a good bias point by keeping the magnetization in one of a pair of ferromagnetic films in a second ferromagnetic layer into a desired direction, and forming a nonmagnetic high conductive layer in contact with a first ferromagnetic layer on the opposite face to the film face where the first ferromagnetic layer is in contact with a nonmagnetic spacer layer. SOLUTION: A high conductive layer 101, free layer 102, spacer layer 103, first ferromagnetic layer 104, bonding film 105, second ferromagnetic layer 106 and antiferromagnetic film 107 are laminated. By this constitution, especially when Hs on the transfer curve is small by making the free layer 102 extremely thin, a good bias point can be obtd. by rendering all of Hcu, Hpin and Hin small and satisfying Hpin-Hin=Hcu. By using a synthetic AF structure, Hpin can be decreased.

45. 发明专利

JPH10312512A MAGNETORESITIVE HEAD 失效
公开(公告)号：JPH10312512A
公开(公告)日：1998-11-24
申请号：JP11723697
申请日：1997-05-07
申请人： TOSHIBA CORP , TDK CORP
发明人： FUKUZAWA HIDEAKI , KAMIGUCHI YUZO , INOUE NAOYUKI , IWASAKI HITOSHI , ITO NORIYUKI , OIKE TARO , KAWASHIMA HIROAKI
IPC分类号： G11B5/012 , G11B5/39 , H01F10/30 , H01L43/08
摘要： PROBLEM TO BE SOLVED: To effectively control the generation of Barkhausen noise when narrow tracks are used in a magnetoresitive head of the spin valve type, in which a magnetism sensing layer having magnetic layer including highly saturated and magnetized Co. SOLUTION: This head is a GMR head including a spin valve GMR film 14 having a magnetism sensing layer 15 including, for example, a magnetic layer containing Co and a bias magnetic field applying film 21 for applying the bias magnetic field to this spin valve GMR film 14. The bias magnetic field applying film 21 is formed of a laminated film of a magnetic base layer 2 and a hard magnetic layer 23 formed thereon. The hard magnetic layer 23 is provided adjacent the end part of the spin valve GMR film 14 via the magnetic base layer 22. The magnetic base layer 22 has a saturated and magnetized Ms which satisfies at least either the conditions of Ms >=Ms or Ms >=Ms for saturated and magnetized Ms of the magnetism sensing layer and saturated and magnetized Ms of the hard magnetized layer.

46. 发明专利

JPH10154619A HARD MAGNETIC FILM STRUCTURE AND MAGNETO-RESISTANCE EFFECT ELEMENT, MAGNETIC HEAD, MAGNETIC RECORDING/ REPRODUCING HEAD, MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING DEVICE 失效
公开(公告)号：JPH10154619A
公开(公告)日：1998-06-09
申请号：JP28261797
申请日：1997-09-30
申请人： TOSHIBA CORP
发明人： FUKUZAWA HIDEAKI , NAKAMURA SHINICHI , KAMIGUCHI YUZO , IWASAKI HITOSHI , HORI AKIO , HASHIMOTO SUSUMU
IPC分类号： G11B5/39 , G11B5/64 , G11B5/65 , G11B5/738 , G11C11/15 , H01F10/08 , H01F10/12 , H01F10/13 , H01F10/16 , H01F10/32 , H01L43/08 , H01L43/10
摘要： PROBLEM TO BE SOLVED: To improve magnetic characteristics such as a coercive force Hc, a residual magnetization Mr, a saturation magnetization Ms, and a squareness ratio S of a hard magnetic film that contains Co as a constituent element without applying a thick ground film, especially the reproducibility of bi-crystal structure. SOLUTION: A ground film 18 of a Co-base hard magnetic film 17 has a crystallizable metal ground film 16 such as Cr film formed on the main surface of a substrate 11 with, for example, oxide layer and nitride layer as a surface layer 12 and a reactive ground film (mixing layer) 15 that is generated between the surface layer 12 and the crystallizable metal ground film 16 and has a reactive amorphous layer 13 that contains the constituent element of the surface layer 12 and that of the crystallizable metal ground film 16. The Co-base hard magnetic film 17 is formed on the crystallizable metal ground film 16 and has for example bi-crystal structure. The Co-base hard magnetic film 17 is applied to the bias magnetic application film of a magnetoresistance effect element and the recording layer of a magnetic recording medium.

47. 发明专利

JPH1065232A MAGNETORESISTIVE EFFECT DEVICE 失效
公开(公告)号：JPH1065232A
公开(公告)日：1998-03-06
申请号：JP11141997
申请日：1997-04-28
申请人： TOSHIBA CORP
发明人： KAMIGUCHI YUZO , SAITO AKIKO , SAITO KAZUHIRO , FUKUZAWA HIDEAKI , IWASAKI HITOSHI , SAHASHI MASASHI
IPC分类号： G11B5/39 , G11C11/15 , H01F10/08 , H01F10/32 , H01L43/08
摘要： PROBLEM TO BE SOLVED: To restrain a magnetoresistive effect device with a spin valve film from dissipating heat, so as to improve it in thermal stability without deteriorat ing its performance. SOLUTION: A magnetoresistive effect device is equipped with a spin valve film 7, composed of a first magnetic layer 1 formed on a metal buffer layer 4, a non-magnetic intermediate layer 3 and a second magnetic layer 2. An atom diffusion barrier layer 5 formed of oxide, nitride, carbide, boride, fluoride or the like of thickness 2nm or below is provided at an interface between the metal buffer layer 4 and the first magnetic layer 1. Or a magnetoresistive effect device is equipped with a spin valve film 7, composed of a first magnetic layer of laminated film structure which consists of a magnetic base layer and a ferromagnetic layer, a second magnetic layer, and a non-magnetic intermediate layer interposed between them, wherein an atom diffusion barrier layer formed of oxide, nitride, carbide, boride, fluoride or the like of thickness 2nm or below is provided at an interface between the magnetic base layer and the ferromagnetic layer 1.

48. 发明专利

JP2015061070A 歪検知素子、圧力センサ、マイクロフォン、血圧センサおよびタッチパネル有权
标题翻译：应变检测元件，压力传感器，麦克风，血压传感器和触控面板
公开(公告)号：JP2015061070A
公开(公告)日：2015-03-30
申请号：JP2013196243
申请日：2013-09-20
申请人：株式会社東芝 , Toshiba Corp
发明人： FUJI YOSHIHIKO , FUKUZAWA HIDEAKI , KAJI SHIORI
IPC分类号： H01L43/08 , G01L9/16 , H01L41/12 , H04R15/00
CPC分类号： A61B5/02141 , B81B3/0078 , B81B2201/0257 , B81B2201/06 , G01L1/125 , G01L9/0041 , G01L9/16 , G06F3/0414 , H04R3/00 , H04R19/04 , H04R23/00 , H04R23/006 , H04R31/006 , H04R2201/003 , H04R2410/03 , H04R2420/07 , H04R2499/11
摘要：【課題】感度の向上を図ることができる歪検知素子、圧力センサ、マイクロフォン、血圧センサおよびタッチパネルを提供する。【解決手段】実施形態によれば、変形可能な基板の上に設けられる歪検知素子であって、第1磁性層と、第2磁性層と、中間層と、バイアス層と、を備えた歪検知素子が提供される。前記第2磁性層の磁化は、前記基板の変形に応じて変化する。前記中間層は、前記第1磁性層と前記第2磁性層との間に設けられる。前記第2磁性層は、前記中間層と前記バイアス層との間に設けられる。前記バイアス層は、前記第2磁性層にバイアスを印加する。【選択図】図1
摘要翻译：要解决的问题：提供可以实现灵敏度提高的应变检测元件，压力传感器，麦克风，血压传感器和触摸面板。解决方案：根据实施例，提供了应变检测元件，其中设置在可变形基板上并且包括第一磁性层，第二磁性层，中间层和偏置层。第二磁性层的磁化随着基板的变形而变化。中间层设置在第一磁性层和第二磁性层之间。第二磁性层设置在中间层和偏置层之间。偏置层向第二磁性层施加偏压。

49. 发明专利

JP2014240824A 圧力センサ、音響マイク、血圧センサ及びタッチパネル有权
标题翻译：压力传感器，声音麦克风，血压传感器和触控面板
公开(公告)号：JP2014240824A
公开(公告)日：2014-12-25
申请号：JP2013124111
申请日：2013-06-12
申请人：株式会社東芝 , Toshiba Corp
发明人： FUJI YOSHIHIKO , MASUNISHI KATSURA , FUKUZAWA HIDEAKI , HIGASHI YOSHIHIRO , HARA MICHIKO , HORI AKIO , NAGATA TOMOHIKO , KAJI SHIORI , YUZAWA AKIKO
IPC分类号： G01L9/16 , H01L43/08
CPC分类号： G01L1/2287 , A61B5/02141 , A61B5/02438 , A61B5/7475 , G01L1/12 , G01L1/205 , G01L1/2262 , G01L1/2293 , G01L5/161 , G01L9/0051 , G06F3/041 , G06F3/0414 , G06F2203/04105 , H04R1/028 , H04R1/04 , H04R7/00 , H04R19/005 , H04R19/04 , H04R2499/11
摘要：【課題】高感度の圧力センサ、音響マイク、血圧センサ及びタッチパネルを提供する。【解決手段】実施形態によれば、膜部と、検知部と、を含む圧力センサが提供される。膜部は、支持部に支持され可撓性を有する。膜部の膜面内の第1方向長さは、第1方向に対して垂直な方向の長さよりも長い。膜面の形状に外接する外接矩形は、第1方向に延在し第1長さを有する第1、第2辺と、第2方向に延在する第3、第4辺と、重心と、を含む。外接矩形は、重心と第1辺の両端とで囲まれた第1領域を含む。検知部は、膜面のうちの第1領域と重なる部分の上に設けられた複数の検知素子を含む。検知素子のそれぞれは、第1磁性層と、第1磁性層と膜部との間に設けられた第2磁性層と、第1磁性層と第2磁性層との間に設けられた非磁性の中間層と、を含む。検知素子の少なくとも2つの第1方向に沿うそれぞれの位置は、互いに異なる。【選択図】図1
摘要翻译：要解决的问题：提供高灵敏度的压力传感器，声学传声器，血压传感器和触摸面板。解决方案：根据实施例，提供了包括膜部分和检测部分的压力传感器。胶片部分由支撑部分支撑并具有灵活性。膜部的膜表面内的第一方向的长度比与第一方向垂直的方向的长度长。与膜表面形状相邻的外接矩形形状包括在第一方向上延伸的第一和第二侧，并且具有沿第二方向延伸的第一长度，第三和第四侧以及重心。外接矩形形状包括由重心围绕的第一区域和第一侧面的两端。检测部分包括设置在与第一区域重叠的膜表面的一部分中的多个检测元件。每个检测元件包括第一磁性层，设置在第一磁性层和膜部分之间的第二磁性层以及设置在第一磁性层和第二磁性层之间的非磁性中间层。沿着第一方向的至少两个检测元件的位置彼此不同。

50. 发明专利

JP2014103539A Microphone package 有权
标题翻译：麦克风包装
公开(公告)号：JP2014103539A
公开(公告)日：2014-06-05
申请号：JP2012254357
申请日：2012-11-20
申请人： Toshiba Corp , 株式会社東芝
发明人： HIGASHI YOSHIHIRO , FUJI YOSHIHIKO , HARA MICHIKO , YUZAWA AKIKO , KAJI SHIORI , NAGATA TOMOHIKO , HORI AKIO , FUKUZAWA HIDEAKI
IPC分类号： H04R15/00 , H01F27/36 , H01L41/06 , H01L41/08 , H01L41/12 , H01L41/20 , H01L43/02 , H01L43/08 , H04R1/00 , H04R1/02 , H04R1/04
CPC分类号： H04R19/04 , H04R1/04 , H04R7/10
摘要： PROBLEM TO BE SOLVED: To provide a microphone package capable of suppressing effect of external magnetic fields.SOLUTION: According to an embodiment, there is provided a microphone package comprising a pressure detection element including a film body and an element part, and a cover member. The film body is distorted according to pressure. An element part includes a first electrode, a second electrode, a first magnetic layer, a second magnetic layer, and a non-magnetic layer. The first magnetic layer includes first magnetization. The second magnetic layer includes second magnetization. The first magnetic layer, the non-magnetic layer, and the second magnetic layer are laminated in a lamination direction directing from the first magnetic layer to the second magnetic layer. An angle between the direction of the first magnetization and the direction of the second magnetization varies according to distortion of the film body. The cover member includes a lid portion and a side portion. The side portion has magnetization and is provided according to a direction of the first magnetization and a direction of the second magnetization.
摘要翻译：要解决的问题：提供能够抑制外部磁场的影响的麦克风封装。解决方案：根据一个实施例，提供了一种麦克风封装，其包括压力检测元件，该压力检测元件包括膜体和元件部分，以及盖构件。胶片体根据压力而变形。元件部分包括第一电极，第二电极，第一磁性层，第二磁性层和非磁性层。第一磁性层包括第一磁化。第二磁性层包括第二磁化。第一磁性层，非磁性层和第二磁性层在从第一磁性层指向第二磁性层的层叠方向上层叠。第一磁化方向和第二磁化方向之间的角度根据胶片体的变形而变化。盖构件包括盖部和侧部。侧部具有磁化，并且根据第一磁化的方向和第二磁化的方向设置。

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