| Patent Number |
Title Of Patent |
Date Issued |
| 7372667 |
Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, head arm assembly wi |
May 13, 2008 |
| A thin-film magnetic head comprising an inductive element including at least: a lower magnetic pole; a write gap layer; and an upper magnetic pole opposed to the lower magnetic pole through the write gap layer, a width W.sub.P2 in a track-width direction at a facing-to-magnetic-medium |
| 7321480 |
Thin-film magnetic head having magnetic layers of different thicknesses and fabrication method f |
January 22, 2008 |
| A thin-film magnetic head includes a lower magnetic layer, an upper magnetic layer, a recording gap layer, and a thin-film coil. The lower magnetic layer has a first magnetic pole tip layer, and a first yoke layer which is connected to the first magnetic pole tip layer. The first yok |
| 7283328 |
Thin-film magnetic head, head gimbal assembly with thin-film magnetic head, magnetic disk drive |
October 16, 2007 |
| A thin-film magnetic head includes at least one inductive write head element and at least one read magnetic head element, capable of controlling a spacing between a magnetic recording medium and the at least one magnetic read head element by heating. A gain SG (nm/.degree. C.) of the |
| 7248435 |
Thin-film magnetic head with gap and pole portion layers having cross sections of the same shape |
July 24, 2007 |
| A bottom pole layer and a top pole layer respectively incorporate pole portion layers. Cross sections of the pole portion layers and a gap layer parallel to the top surface of a substrate are of the same shapes. The aggregate of the pole portion layers and the gap layer includes a first |
| 7239480 |
Thin film magnetic head having an upper pole portion with a width that increases towards an abs |
July 3, 2007 |
| A thin film magnetic head is provided to reduce excess magnetostatic leakage field in order to generate a sufficient recording magnetic field. The pole end portion has a width to define a recording track width. The pole rear portion has one end which is magnetically connected with the |
| 7197814 |
Method for fabricating a thin film magnetic head |
April 3, 2007 |
| A writing magnetic pole portion composed of a first magnetic film and a second magnetic film formed on the first magnetic film via a gap film is fabricated on a given wafer. Then, the writing magnetic pole portion is swung forward and backward around a rotation standard axis parallel to |
| 6963474 |
Thin film magnetic head, magnetic head and magnetic disk driving device |
November 8, 2005 |
| A thin film magnetic head includes a slider, at least one inductive type electromagnetic conversion element and a thermal diffusion film. The inductive type electromagnetic conversion element includes a first magnetic film, a second magnetic film, a gap film, a coil film and an insul |
| 6952866 |
Method of manufacturing the thin film magnetic head |
October 11, 2005 |
| Method of manufacturing a thin film magnetic head which can exhibit a high-performance head characteristic without complicating the manufacturing procedure. A coil connection is integrated into one body and constituted part of the thin film coil. A connection middle pattern is provid |
| 6920685 |
Method for fabricating a thin film magnetic head |
July 26, 2005 |
| A writing magnetic pole portion composed of a first magnetic film and a second magnetic film formed on the first magnetic film via a gap film is fabricated on a given wafer. Then, the writing magnetic pole portion is swung forward and backward around a rotation standard axis parallel to |
| 6724570 |
Thin film magnetic head and method of manufacturing the same |
April 20, 2004 |
| A thin film magnetic head having excellent recording characteristics is provided. In a structure of the thin film magnetic head, a thickness L.sub.T (.mu.m) of a top pole chip and a distance L.sub.D (.mu.m) between a position of a front edge surface of a top yoke and a position of an air |
| 6665142 |
Thin film magnetic head and method of manufacturing the same |
December 16, 2003 |
| An object of the invention is to provide a thin film magnetic head which can exhibit a high-performance head characteristic without complicating the manufacturing procedure, and a method of manufacturing the same. A coil connection is integrated into one body and constituted part of the |
| 6146776 |
Magneto-resistance effect head |
November 14, 2000 |
| A GMR head comprising a spin valve GMR film, which has a free layer containing a Co containing magnetic layer, and a hard magnetic biasing film for inputting a bias magnetic field to the spin valve GMR film. The hard magnetic biasing film is constituted of a film formed by laminating a |
| 5999378 |
Magnetoresistance effect head having a giant magnetoresistance effect film |
December 7, 1999 |
| A magnetoresistance effect head comprises a giant magnetoresistance effect film, a pair of leads to supply an electric current to the giant magnetoresistance effect head, and upper and lower magnetic shielding layers made of a crystalline soft magnetic film and disposed to hold the g |
| 5958611 |
Magnetic multilayered film, magnetoresistance effect element and magnetoresistance device |
September 28, 1999 |
| According to the present invention, a magnetic multilayered film includes an oxide antiferromagnetic layer, a pinned ferromagnetic layer which is pinned by the oxide antiferromagnetic layer, a non-magnetic metal layer and a free ferromagnetic layer which are stacked on a substrate in ord |
| 5862022 |
Ferromagnetic tunnel junction, magnetoresistive element and magnetic head |
January 19, 1999 |
| This invention is directed to a ferromagnetic tunnel junction, an MR element and a magnetic head. A ferromagnetic tunnel junction is constituted by sequentially laminating a first ferromagnetic film, an insulating film and a second ferromagnetic film. These are laminated on an approp |
