公开(公告)号：US5903460A

公开(公告)日：1999-05-11

申请号：US703852

申请日：1996-08-27

申请人： Shigeru Syouji ,  Atsushi Toyoda

发明人： Shigeru Syouji ,  Atsushi Toyoda

IPC分类号： G03F7/00 ,  G11B5/31 ,  G11B5/60 ,  G06F19/00 ,  B23K26/00

CPC分类号： G11B5/6005 ,  G03F7/00 ,  G11B5/3103 ,  G11B5/3163 ,  G11B5/3166 ,  Y10T29/49041 ,  Y10T29/49052

摘要： A method of manufacturing an air flow type thin film magnetic head includes the steps of providing a slider for a thin film magnetic head; forming a photo-sensitive layer directly on the slider; subjecting the photo-sensitive layer to a light beam having controlled loci to form a desired pattern on the photo-sensitive layer, the loci of the light beam corresponding to the configuration of rails to be formed on a surface of the slider; and forming the rails in accordance with the desired pattern. The loci of the light beam is controlled by a data processor. Various rail patterns including an asymmetrical and non-parallel rail pattern can easily be formed on a slider of a magnetic head.

摘要翻译： 制造气流型薄膜磁头的方法包括以下步骤：提供用于薄膜磁头的滑块; 直接在滑块上形成光敏层; 对感光层进行光控制位置的光束，以在感光层上形成所需的图案，光束的轨迹对应于要形成在滑块的表面上的轨道的构型; 并根据期望的图案形成轨道。 光束的轨迹由数据处理器控制。 可以容易地在磁头的滑块上形成包括不对称和非平行轨道图案的各种轨道图案。

公开(公告)号：US5566075A

公开(公告)日：1996-10-15

申请号：US271473

申请日：1994-07-07

申请人： Shigeru Syouji ,  Atsushi Toyoda

发明人： Shigeru Syouji ,  Atsushi Toyoda

IPC分类号： G03F7/00 ,  G11B5/31 ,  G11B5/60 ,  G06F19/00 ,  B23K26/00

CPC分类号： G11B5/6005 ,  G03F7/00 ,  G11B5/3103 ,  G11B5/3163 ,  G11B5/3166 ,  Y10T29/49041 ,  Y10T29/49052

摘要： A method of manufacturing an air flow type thin film magnetic head includes the steps of providing a slider for a thin film magnetic head; forming a photo-sensitive layer directly on the slider: subjecting the photo-sensitive layer to a light beam having controlled loci to form a desired pattern on the photo-sensitive layer, their: loci of the light beam corresponding to configuration of rails to be formed on a surface of the slider; and forming the rails in accordance with the desired pattern. The loci of the light beam is controlled by a data processor. Various rail patterns including an asymmetrical and non-parallel rail pattern can be easily formed on a slider of a magnetic head.

摘要翻译： 制造气流型薄膜磁头的方法包括以下步骤：提供用于薄膜磁头的滑块; 在滑块上直接形成感光层：使光敏层经受控轨迹的光束在感光层上形成所需的图案，它们的光束轨迹对应于导轨的构型 形成在滑块的表面上; 并根据期望的图案形成轨道。 光束的轨迹由数据处理器控制。 可以容易地在磁头的滑块上形成包括不对称和非平行轨道图案的各种轨道图案。

公开(公告)号：US5880910A

公开(公告)日：1999-03-09

申请号：US821270

申请日：1997-03-20

申请人： Shigeru Shouji ,  Atsushi Toyoda

发明人： Shigeru Shouji ,  Atsushi Toyoda

IPC分类号： G11B5/39 ,  G11B5/55 ,  G11B5/596

CPC分类号： G11B5/3932 ,  G11B5/3903 ,  G11B5/3967 ,  G11B5/398 ,  G11B5/5526 ,  G11B5/59683

摘要： On a lower magnetic shield film, a lower gap film is formed on which a conductive lead film and a magnet film is laminated. The magnet film forms a bias permanent magnet film for generating a single magnetic domain of a magneto-resistance film. This lead film is trenched to the lower gap layer (20) to form a trapezoid trench and separated leads. A sensor unit having the magneto-resistance film is formed conformally to the trench and electrically connected to the separated leads. An upper gap is formed on the sensor unit (28), and an upper shield is formed on the upper gap.

摘要翻译： 在下部磁屏蔽膜上形成下部间隔膜，在其上层叠导电性引线膜和磁性膜。 磁体膜形成用于产生磁阻膜的单个磁畴的偏置永磁体膜。 该引线膜被沟槽到下间隙层（20）以形成梯形沟槽和分离的引线。 具有磁阻膜的传感器单元与沟槽保形地形成并电连接到分离的引线。 在传感器单元（28）上形成上部间隙，并且在上部间隙上形成上部屏蔽。

公开(公告)号：US4947541A

公开(公告)日：1990-08-14

申请号：US401130

申请日：1989-09-01

申请人： Atsushi Toyoda ,  Shuichi Sawada

发明人： Atsushi Toyoda ,  Shuichi Sawada

IPC分类号： G11B5/31

CPC分类号： G11B5/3163 ,  Y10T29/49044 ,  Y10T29/49046 ,  Y10T29/49048

摘要： A lower core is formed on the surface of a wafer and then a protection film made of substance that has a lower ion milling rate than that of the lower core is formed so as to coat the lower core. Then, the protection film is ground to expose the lower core under the film, and the surface of the protection film and that of the lower core are finished smooth and level. Then, ion beams are radiated to simultaneously mill both the protection film and the lower core and thereby form a recess above the lower core. Next, a gap layer is formed on the surfaces of both the protection film and the lower core. Then, an upper core is formed in the recess above the lower core with a gap layer between them. Accordingly, only the part in which the pole of the upper core and the pole of the lower core face each other in parallel is magnetically effective. This ensures a constant track width even in mass production provided that only the lower core is formed strictly in accordance with the design. In this case, formation of a lower core in accordance with the design is possible. Further, since the surplus part of the upper core does not actually provide a read/write function of a head, cross-talk is seldom generated between adjacent tracks. Conducting milling before forming an upper core elminates magnetic shortcircuiting between the upper and lower cores.

摘要翻译： 在晶片的表面上形成下芯，然后形成具有比下芯的离子研磨速度低的物质制成的保护膜，以涂覆下芯。 然后，保护膜被研磨以暴露膜下的下芯，保护膜的表面和下芯的表面光滑平整。 然后，照射离子束同时研磨保护膜和下芯，从而在下芯上形成凹陷。 接下来，在保护膜和下芯的表面上形成间隙层。 然后，在下部芯部上方的凹部中形成上部芯部，在它们之间具有间隙层。 因此，只有上芯的极和下芯的磁极平行的部分才是磁性有效的。 即使在大规模生产中也能确保轨道宽度恒定，只要根据设计严格地形成下芯。 在这种情况下，可以根据设计形成下芯。 此外，由于上层的剩余部分实际上不提供头的读/写功能，所以在相邻轨道之间很少产生串扰。 在形成上芯之前的导电铣削可以使上，下芯之间的磁短路导致电磁场短路。

公开(公告)号：US4157109A

公开(公告)日：1979-06-05

申请号：US723558

申请日：1976-09-15

申请人： Atsushi Toyoda ,  Hiroshi Kasai

发明人： Atsushi Toyoda ,  Hiroshi Kasai

IPC分类号： B22C9/03 ,  B22D27/16 ,  B29C1/02

CPC分类号： B22C9/03

摘要： In manufacturing of a mold for metal casting via the vacuum molding process, the cover for the original pattern is made of a synthetic film including, at least partly, ionomer resin component and, further preferably, the exposed surface of the cover set to the pattern is coated with a solution of an initial condensate of a thermosetting resin.High fidelity in patterning, excellent vacuum retainability, enhanced surface stability and high resistance against thermal decomposition of the ionomer cover film accompanied with considerably reduced casting defects assures high quality of the castings obtained.

摘要翻译： 在通过真空成型工艺制造用于金属铸造的模具时，用于原始图案的盖子由合成膜制成，该合成膜至少部分地包括离聚物树脂部件，并且进一步优选地，盖的暴露表面设置为图案 涂覆有热固性树脂的初始缩合物溶液。

公开(公告)号：US08980587B2

公开(公告)日：2015-03-17

申请号：US13819959

申请日：2011-08-30

申请人： Hiroyuki Osada ,  Shunji Takahashi ,  Makoto Kawatani ,  Yoshiyuki Sakaki ,  Atsushi Toyoda

发明人： Hiroyuki Osada ,  Shunji Takahashi ,  Makoto Kawatani ,  Yoshiyuki Sakaki ,  Atsushi Toyoda

IPC分类号： C12N1/21 ,  C12P17/06 ,  C12P17/16 ,  C07K14/36 ,  C07D493/10 ,  C12N15/52 ,  C12P17/18 ,  C12N1/20 ,  A61K31/351

CPC分类号： C07D493/10 ,  A61K31/351 ,  C07K14/36 ,  C12N1/20 ,  C12N15/52 ,  C12P17/06 ,  C12P17/181

摘要： A bacterium belonging to the genus Streptomyces having an ability to produce reveromycin A or a synthetic intermediate thereof, the bacterium being modified so as to increase expression of revQ gene coding for the amino acid sequence of SEQ ID NO: 36 or an amino acid sequence having an identity of not less than 80% to SEQ ID NO: 36 as compared with a parent strain, thereby the above-mentioned production ability is increased as compared with the parent strain.

摘要翻译： 属于属于链霉菌属的细菌，其具有产生还原霉素A或其合成中间体的能力，所述细菌被修饰以增加编码SEQ ID NO：36的氨基酸序列的revQ基因的表达或具有SEQ ID NO：36的氨基酸序列的表达， 与亲本菌株相比，与SEQ ID NO：36不小于80％的身份，因此与亲本菌株相比上述生产能力增加。

公开(公告)号：US5978187A

公开(公告)日：1999-11-02

申请号：US556574

申请日：1995-11-13

申请人： Shigeru Shouji ,  Atsushi Toyoda

发明人： Shigeru Shouji ,  Atsushi Toyoda

IPC分类号： G11B5/02 ,  G11B5/23 ,  G11B5/31 ,  G11B5/147 ,  G11B5/187

CPC分类号： G11B5/3163 ,  G11B5/3116 ,  G11B5/313 ,  G11B5/02

摘要： The leading edge of a lower pole is constituted by a protruded central parallel portion, opposite end parallel portions, and slanted portions coupling the central parallel portion and the opposite end parallel portions. The width T.sub.wc of the central parallel portion is set to 10 to 25% of the total width T.sub.wa of the lower pole. The thickness P1' of the opposite end portion is set in the range from 3/1 or thicker to 3/2 or thinner than the thickness P1 of the central parallel portion.

摘要翻译： 下极的前缘由突出的中心平行部分，相对的端部平行部分和连接中心平行部分和相对端平行部分的倾斜部分构成。 中心平行部分的宽度Twc设定为下极总宽度Twa的10至25％。 相对端部的厚度P1'设定在3/1以上至3/2以下，或者比中央平行部的厚度P1更薄。

公开(公告)号：US5668686A

公开(公告)日：1997-09-16

申请号：US579928

申请日：1995-12-28

申请人： Shigeru Shouji ,  Atsushi Toyoda

发明人： Shigeru Shouji ,  Atsushi Toyoda

IPC分类号： G11B5/012 ,  G11B5/31 ,  G11B5/39 ,  G11B5/48 ,  G11B5/55 ,  G11B5/596

CPC分类号： G11B5/398 ,  G11B5/3903 ,  G11B5/3967 ,  G11B5/488 ,  G11B5/5526 ,  G11B5/59683 ,  G11B5/012 ,  G11B5/3113 ,  G11B5/3116 ,  G11B5/3163 ,  G11B5/3932 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49048

摘要： A thin film magnetic head made of material having the magneto-resistance (MR) effect and its manufacturing method are provided. A lower shield layer for magnetically shielding an MR film is formed with a trench of a gull-wing shape having a flat bottom surface and opposite slanted surfaces formed on both sides of the bottom surface. The MR film is formed on the lower shield layer conformal to the gull-wing shape. The region of the MR film on the flat bottom surface forms an effective magnetic active region. A track center shift and the generation of a side-lobe in the off-track characteristic specific to an MR head can be suppressed and high density recording and reproducing of narrow tracks are possible.

摘要翻译： 提供由具有磁阻（MR）效应的材料制成的薄膜磁头及其制造方法。 用于磁屏蔽MR膜的下屏蔽层形成有具有扁平底表面的鸥翼形状的沟槽和形成在底表面的两侧上的相对的倾斜表面。 MR膜形成在与鸥翼形状一致的下屏蔽层上。 平坦的底面上的MR膜的区域形成有效的磁性活性区域。 可以抑制轨道中心偏移和在MR磁头特有的偏离磁道特性中产生旁瓣，并且可以实现窄轨迹的高密度记录和再现。

公开(公告)号：US5124870A

公开(公告)日：1992-06-23

申请号：US429652

申请日：1989-10-31

申请人： Atsushi Toyoda

发明人： Atsushi Toyoda

IPC分类号： G11B5/17 ,  G11B5/31

CPC分类号： G11B5/313

摘要： In a thin film magnetic head having a multilayer structure, a plurality of coil conductive layers are piled up to be formed between a lower magnetic layer and an upper magnetic layer. Each coil conductive layer is formed by one spiral-wound coil. The number of turns of the coil of the upper-side coil conductive layer is set smaller than that of the coil of the lower-side coil conductive layer. These coils are connected together such that first and second portions of the connected coils are respectively connected to a center terminal which is provided at the middle position of the connected coils. Thus, the number of turns of the first portion of the connected coils is set identical to that of the second portion of the connected coils. In addition, the winding direction of the first portion is set reverse to that of the second portion. Such coil conductive layers are surrounded by and buried in an insulation layer formed between the lower magnetic layer and upper magnetic layer. Due to the above-mentioned structure, the coil of each coil conductive layer can be easily formed within the insulation layer. Further, the reproduction output and the efficiency of the magnetic circuit can be improved.

摘要翻译： 在具有多层结构的薄膜磁头中，堆积多个线圈导电层以形成在下磁层和上磁层之间。 每个线圈导电层由一个螺旋缠绕线圈形成。 上侧线圈导电层的线圈的匝数被设定为小于下侧线圈导电层的线圈的匝数。 这些线圈连接在一起，使得连接的线圈的第一和第二部分分别连接到设置在所连接线圈的中间位置的中心端子。 因此，连接的线圈的第一部分的匝数被设定为与连接的线圈的第二部分的匝数相同。 此外，第一部分的卷绕方向与第二部分的缠绕方向相反。 这种线圈导电层被形成在下磁性层和上磁性层之间的绝缘层中并被埋入其中。 由于上述结构，可以容易地在绝缘层内形成线圈导电层的线圈。 此外，可以提高再现输出和磁路的效率。

公开(公告)号：US4043376A

公开(公告)日：1977-08-23

申请号：US696628

申请日：1976-06-16

申请人： Yuuji Kasai ,  Hironuri Ogura ,  Atsushi Toyoda

发明人： Yuuji Kasai ,  Hironuri Ogura ,  Atsushi Toyoda

IPC分类号： B22C9/03 ,  B22C9/02 ,  B22C1/22 ,  B22C3/00

CPC分类号： B22C9/03

摘要： In preparation of a mold for metal casting, a thermosetting resin layer, preferably of a thickness in a range from 2 to 100 micrometers, is formed between the refractory filler in the molding box and a covering laminate such as a thermoplastic synthetic resin film for tightly covering the filler surface so that the thermosetting resin layer develops, during metal casting, a shell layer for reinforcing the cavity wall of the mold due to heat given by molten metal. Development of casting defects such as sand marks and blow holes and occurrence of mold crumbling can effectively be prevented by the presence of the shell layer.

摘要翻译： 在制备用于金属铸造的模具中，在模制箱中的耐火填料和诸如热塑性合成树脂膜的覆盖层压材料之间形成优选厚度为2至100微米的热固性树脂层，用于紧密 覆盖填料表面，使得在金属铸造期间，热固性树脂层由于由熔融金属产生的热而增强模具的腔壁的外壳层。 通过壳层的存在可以有效地防止铸造缺陷如砂痕和气孔的发生以及模具破碎的发生。