公开(公告)号：US3478333A

公开(公告)日：1969-11-11

申请号：US3478333D

申请日：1964-02-24

申请人： GEN MOTORS CORP

发明人： FAULKNER ALFRED H

IPC分类号： G11C11/06 ,  G11B5/12

CPC分类号： G11C11/06042

公开(公告)号：US4816946A

公开(公告)日：1989-03-28

申请号：US110102

申请日：1987-10-15

申请人： Toru Kira ,  Hidenori Yamasaki ,  Mitsuhiko Yoshikawa

发明人： Toru Kira ,  Hidenori Yamasaki ,  Mitsuhiko Yoshikawa

IPC分类号： G11B5/31 ,  G11B5/12

CPC分类号： G11B5/3163

摘要： An improved method of manufacturing a thin film magnetic head, which includes the steps of forming an electrically conductive material coil layer on a substrate of a magnetic material, applying onto the electrically conductive material coil layer, an insulation layer of SiO.sub.2, Si.sub.3 N.sub.4, Al.sub.2 O.sub.3 and the like by sputtering, plasma chemical vapor deposition process, etc., and further forming a coating layer of SiO.sub.2 on the insulation layer by spin-coating process for flattening the upper surface of the insulation layer.

摘要翻译： 一种制造薄膜磁头的改进方法，其包括以下步骤：在磁性材料的基底上形成导电材料线圈层，将其施加到导电材料线圈层上，将SiO 2，Si 3 N 4，Al 2 O 3的绝缘层和 通过溅射等离子体化学气相沉积工艺等，并且通过旋涂法在绝缘层上进一步形成SiO 2涂层，以使绝缘层的上表面变平。

公开(公告)号：US4809112A

公开(公告)日：1989-02-28

申请号：US006937

申请日：1987-01-27

申请人： Ichiro Noguchi ,  Shoichi Koyama

发明人： Ichiro Noguchi ,  Shoichi Koyama

IPC分类号： G11B5/105 ,  G11B5/127 ,  G11B5/147 ,  G11B5/265 ,  G11B5/29 ,  G11B5/49 ,  G11B5/10 ,  G11B5/12

CPC分类号： G11B5/2651 ,  G11B5/1272

摘要： A back core fixing structure of magnetic head is provided, in which a back core is fixed to magnetic cores in such a manner that a holding member provided with a resilient tongue segment having pinching power is attached to the open end on the opposite side of a pair of magnetic cores to the confronting side facing opposite a magnetic medium with the resilient tongue segment opened on the side of the open end, and the back core is fitted in the space between the magnetic cores and the resilient tongue segment, whereby position adjustment of the back core is achieved easily and fixing work is simplified and can be automated.

摘要翻译： 提供了一种磁头的后芯固定结构，其中后芯被固定到磁芯，使得具有夹紧力的弹性舌片段的保持构件附接到开口端 一对磁芯相对于磁性介质面向相对的一侧，其中弹性舌段在开口端侧开口，并且后芯安装在磁芯和弹性舌片段之间的空间中，由此位置调整 背芯实现轻松，固定工作简化，可自动化。

公开(公告)号：US4805059A

公开(公告)日：1989-02-14

申请号：US887184

申请日：1986-07-21

申请人： Kazuhiro Tsuchiya ,  Toshikazu Nishiyama ,  Hiroshi Tomishima

发明人： Kazuhiro Tsuchiya ,  Toshikazu Nishiyama ,  Hiroshi Tomishima

IPC分类号： C01G45/00 ,  C04B35/00 ,  G11B5/105 ,  G11B5/127 ,  G11B5/31 ,  H01F10/26 ,  H01F10/28 ,  G11B5/12 ,  G11B15/60

CPC分类号： G11B5/127 ,  G11B5/105 ,  G11B5/3106 ,  Y10S428/90 ,  Y10T428/1157

摘要： A magnetic head having a magnetic alloy film superposed on a nonmagnetic substrate. The nonmagnetic substrate material contains 67 to about 89.9 mol % of MnO, 10 to 33 mol % of NiO, and at least 0.1 mol % but not more than 10 mol % of a material selected from the group of CaO, ZrO.sub.2, V.sub.2 O.sub.5, Y.sub.2 O.sub.3, and Cu and has a rock salt-type crystalline structure.

摘要翻译： 一种具有叠加在非磁性基底上的磁性合金膜的磁头。 非磁性基材含有67〜89.9摩尔％的MnO，10〜33摩尔％的NiO，至少0.1摩尔％以上10摩尔％以下的选自CaO，ZrO 2，V 2 O 5，Y 2 O 3 和Cu，并具有岩盐型晶体结构。

公开(公告)号：US4782413A

公开(公告)日：1988-11-01

申请号：US43674

申请日：1987-04-28

申请人： James K. Howard ,  Ting C. Huang

发明人： James K. Howard ,  Ting C. Huang

IPC分类号： G01R33/09 ,  G11B5/39 ,  H01L43/08 ,  H01L43/10 ,  G11B5/12 ,  G11B5/30

CPC分类号： G11B5/3903

摘要： An improved thin film magnetoresistive (MR) sensor uses an iron-manganese (FeMn) alloy, with the alpha (body-centered-cubic) phase of FeMn present in the alloy, as an antiferromagnetic layer. The presence of alpha FeMn improves the longitudinal exchange bias in the ferromagnetic MR layer, especially when the amount of alpha FeMn exceeds the amount of gamma (face-centered-cubic) FeMn in the FeMn layer.

公开(公告)号：US4646184A

公开(公告)日：1987-02-24

申请号：US653094

申请日：1984-09-21

申请人： Tadahiko Goto ,  Hideo Abe

发明人： Tadahiko Goto ,  Hideo Abe

IPC分类号： G11B5/127 ,  G11B5/187 ,  G11B5/245 ,  G11B5/12

CPC分类号： G11B5/1278 ,  G11B5/1878 ,  G11B5/2452

摘要： There is provided a magnetic head used for both magnetic recording and reproduction thereof, comprising a magnetic head body with a gap portion, wherein a first material having a larger saturated magnetic flux density than that of said body is applied to one or both sides of said gap portion, said gap being internally provided with a second material having a smaller saturated magnetic flux density than said body.

摘要翻译： 提供了用于磁记录和再现磁头的磁头，包括具有间隙部分的磁头本体，其中具有比所述主体的饱和磁通密度大的第一材料施加到所述主体的一侧或两侧 间隙部分，所述间隙内部设置有比所述主体具有更小的饱和磁通密度的第二材料。

公开(公告)号：US4613918A

公开(公告)日：1986-09-23

申请号：US483614

申请日：1983-04-11

申请人： Kenji Kanai ,  Seishi Sasaki ,  Ken Takahashi ,  Ryuji Sugita

发明人： Kenji Kanai ,  Seishi Sasaki ,  Ken Takahashi ,  Ryuji Sugita

IPC分类号： G11B5/127 ,  G11B5/39 ,  G11B5/40 ,  G11B5/12 ,  G11B5/30

CPC分类号： G11B5/3919 ,  G11B5/1278 ,  G11B5/3903 ,  G11B5/399 ,  G11B5/40

摘要： A magneto-resitive playback head and a recording and reproducing device for reproducing a recording signal from a double-layered film type perpendicular magnetic recording medium. The playback head includes a magneto-resistive element included in high-permeability thin films and having one end portion facing the recording medium. The magneto-resistive element exhibits a magneto-resistance effect responsive to magnetic fluxes generated from signal magnetization in the recording medium. The head also includes electrodes for supplying an electric current longitudinally of the magneto-resistive element, and high-permeability members for introducing the signal magnetic fluxes passed through the magneto-resistive element again to the recording medium. A magnetic recording and reproducing device comprises the playback head, a thin film magnetic recording head, a recording circuit, a playback circuit, and a driving circuit which gives a relative motion between the medium and the heads.

摘要翻译： 磁性重放头和用于从双层膜型垂直磁记录介质再现记录信号的记录和再现装置。 重放头包括高磁导率薄膜中包含的具有面向记录介质的一个端部的磁阻元件。 磁阻元件表现出响应于记录介质中信号磁化产生的磁通量的磁阻效应。 磁头还包括用于在磁阻元件纵向提供电流的电极和用于将通过磁阻元件的信号磁通再次引入记录介质的高磁导率部件。 一种磁记录和再现装置包括重放头，薄膜磁记录头，记录电路，重放电路和驱动电路，其给出介质和磁头之间的相对运动。

公开(公告)号：US4593334A

公开(公告)日：1986-06-03

申请号：US490631

申请日：1983-05-02

申请人： Nathaniel C. Anderson ,  Larry E. Daby ,  Gene A. Johnson ,  Patrick M. McCaffrey

发明人： Nathaniel C. Anderson ,  Larry E. Daby ,  Gene A. Johnson ,  Patrick M. McCaffrey

IPC分类号： G11B5/31 ,  G11B5/12

CPC分类号： G11B5/3133 ,  G11B5/3166

摘要： A film transducer head design is formed on a substrate where the first yoke layer and electric terminal strip that connects the coil center pad to the head exterior are formed at the same time followed by successive layers that form the transducer gap, coil insulation, coil, coil insulation and the second yoke layer. This sequence allows the coil to be tested immediately after deposition of the coil material and at a time in the fabrication sequence when it can be reworked or replaced if a discontinuity (open) or shorted turn(s) is (are) identified.

摘要翻译： 在基板上形成有膜转换器头部设计，其中同时形成将线圈中心焊盘连接到头部外部的第一磁轭层和电端子板，随后形成连续的层，形成换能器间隙，线圈绝缘，线圈， 线圈绝缘和第二轭铁层。 该顺序允许在沉积线圈材料之后立即对线圈进行测试，并且在制造顺序中的一个时间，当可以重新加工或更换时，如果确定了不连续（开路）或短路。

公开(公告)号：US4535376A

公开(公告)日：1985-08-13

申请号：US358608

申请日：1982-03-15

申请人： Noboru Nomura ,  Eiichi Hirota ,  Kiyotaka Wasa

发明人： Noboru Nomura ,  Eiichi Hirota ,  Kiyotaka Wasa

IPC分类号： H05K1/16 ,  G11B5/127 ,  G11B5/147 ,  G11B5/21 ,  G11B5/23 ,  G11B5/255 ,  G11B5/31 ,  H01F3/02 ,  H01F5/00 ,  H01F10/08 ,  H01F10/12 ,  H01F10/13 ,  H01F10/14 ,  G11B5/12

CPC分类号： G11B5/255 ,  G11B5/127 ,  G11B5/147 ,  G11B5/21 ,  G11B5/3106

摘要： A magnetic head includes at least a core for constituting a magnetic circuit and a magnetic gap formed in the core. The core comprises an amorphous magnetic metallic film formed on a non-magnetic high-resistance substrate so that one of the end faces of the non-magnetic high-resistance substrate and the amorphous magnetic metallic film may be brought into contact with a magnetic recording medium.

摘要翻译： 磁头至少包括用于构成磁路的磁芯和形成在磁芯中的磁隙。 芯包括形成在非磁性高电阻基板上的非晶磁性金属膜，使得非磁性高电阻基板和非晶磁性金属膜的端面中的一个可以与磁记录介质接触 。

公开(公告)号：US4531170A

公开(公告)日：1985-07-23

申请号：US377843

申请日：1982-05-13

申请人： Shushi Takei ,  Akio Onuki

发明人： Shushi Takei ,  Akio Onuki

IPC分类号： G11B5/255 ,  G11B5/187 ,  G11B5/265 ,  G11B5/12

CPC分类号： G11B5/2651 ,  G11B5/1871 ,  G11B5/265

摘要： A combination magnetic head is formed with first and second gaps on a head face to be slidably contacted with a tape. The head face has first, second and third surface sections, the first and second surface sections are respectively formed on the first and second cores, and the third section is formed on a spacer for integrally coupling the first and second cores. The first and third surface sections decreases in the width toward the second surface section, the second surface section varies in the width, and the second surface section becomes at the minimum in the width in the vicinity of the gap of the second surface section.

摘要翻译： 组合磁头形成在头表面上的第一和第二间隙以与带可滑动接触。 头表面具有第一，第二和第三表面部分，第一和第二表面部分分别形成在第一和第二芯上，第三部分形成在用于一体地联接第一和第二芯的间隔件上。 第一和第三表面部分朝向第二表面部分的宽度减小，第二表面部分的宽度变化，并且第二表面部分在第二表面部分的间隙附近的宽度上变得最小。