公开(公告)号：US5852536A

公开(公告)日：1998-12-22

申请号：US818121

申请日：1997-03-14

申请人： Tohru Matsunaga ,  Naoyuki Kaneyama ,  Takehiko Saito ,  Masatoshi Hayakawa

发明人： Tohru Matsunaga ,  Naoyuki Kaneyama ,  Takehiko Saito ,  Masatoshi Hayakawa

IPC分类号： G11B5/133 ,  G11B5/187 ,  G11B5/193 ,  G11B33/08

CPC分类号： G11B5/1878 ,  G11B5/1871 ,  G11B5/193 ,  G11B33/08

摘要： Sliding noise characteristics can be considerably improved without degrading electromagnetic conversion characteristics and abrasion resistance characteristics in a recording/reproducing operation. A depth (H) of a contact width regulating groove (21) is set to be smaller than a contact width (W) of a magnetic recording medium sliding surface (a), and is set to a predetermined value of 25 .mu.m or more and 45 .mu.m or less. A depth (H) of the contact regulating groove is set to a predetermined value of 37.+-.12 .mu.m, the contact width (W) on the magnetic recording medium sliding surface (a) is set to a predetermined value of 55.+-.6 .mu.m, and a value (R) of a corner portion of the contact width regulating groove is set to a predetermined value of 16 .mu.m or less.

摘要翻译： 滑动噪声特性可以显着提高，而不会降低记录/再现操作中的电磁转换特性和耐磨性。 接触宽度调节槽（21）的深度（H）设定为小于磁记录介质滑动面（a）的接触宽度（W），并设定为25μm以上的规定值 45亩以下。 接触调节槽的深度（H）设定为37 +/-12μm的预定值，磁记录介质滑动面（a）上的接触宽度（W）被设定为预定值为55+ /-6μm，接触宽度调节槽的角部的值（R）设定为16μm以下的规定值。

公开(公告)号：US06801391B2

公开(公告)日：2004-10-05

申请号：US10119472

申请日：2002-04-10

申请人： Akira Sugawara ,  Naoyuki Kaneyama ,  Akihiro Konno

发明人： Akira Sugawara ,  Naoyuki Kaneyama ,  Akihiro Konno

IPC分类号： G11B5127

CPC分类号： G11B5/255 ,  G11B5/102 ,  G11B5/1272 ,  G11B5/187 ,  G11B5/1878 ,  Y10T29/49041 ,  Y10T29/49055 ,  Y10T29/49057

摘要： There is provided a magnetic head formed with a pair of magnetic core halves fitted to abut on each other having a nonmagnetic gap therebetween and having a slide contact plane for slide contact with a magnetic recording medium on which an end face of the nonmagnetic gap and the magnetic core halves. In the magnetic head, a nonmagnetic portion formed by filling a glass material is provided at an end portion of the slide contact plane outer than the end face of the magnetic core halves on the slide contact plane. The inventive magnetic head realizes less volume of magnetic body while solving problems in mechanical strength of the magnetic head or in compatibility to a conventional head. Accordingly, a magnetic head with excellent head performance without decreasing productivity can be obtained.

摘要翻译： 提供一种磁头，形成有一对磁芯半体，它们彼此抵接，彼此之间具有非磁性间隙，并且具有滑动接触平面，用于与非磁性间隙的端面上的磁记录介质滑动接触， 磁芯半部。 在磁头中，通过填充玻璃材料形成的非磁性部分设置在滑动接触平面外侧的滑动接触平面上的磁芯半部的端面外侧。 本发明的磁头在解决磁头的机械强度问题或兼容于常规磁头的同时实现较少体积的磁体。 因此，可以获得具有优异的头部性能而不降低生产率的磁头。

公开(公告)号：US07275307B2

公开(公告)日：2007-10-02

申请号：US10775930

申请日：2004-02-10

申请人： Akira Sugawara ,  Naoyuki Kaneyama ,  Akihiro Konno

发明人： Akira Sugawara ,  Naoyuki Kaneyama ,  Akihiro Konno

IPC分类号： G11B5/147

CPC分类号： G11B5/255 ,  G11B5/102 ,  G11B5/1272 ,  G11B5/187 ,  G11B5/1878 ,  Y10T29/49041 ,  Y10T29/49055 ,  Y10T29/49057

摘要： A method for making a magnetic head formed with a pair of magnetic core halves fitted to abut on each other having a nonmagnetic gap therebetween and having a slide contact plane for slide contact with a magnetic recording medium on which an end face of the nonmagnetic gap and the magnetic core halves. In the method, a nonmagnetic portion formed by filling a glass material is provided at an end portion of the slide contact plane other than the end face of the magnetic core halves on the slide contact plane.

摘要翻译： 一种用于制造磁头的方法，所述磁头形成有一对磁芯半部，所述磁芯半体彼此邻接并且彼此之间具有非磁性间隙，并且具有用于与非磁性间隙的端面上的磁记录介质滑动接触的滑动接触平面;以及 磁芯一半。 在该方法中，通过填充玻璃材料形成的非磁性部分设置在滑动接触面的除滑动接触面上的磁芯半部的端面以外的端部。