| Patent Number |
Title Of Patent |
Date Issued |
| 7554767 |
Electrical lapping guide disposed laterally relative to a shield pedestal |
June 30, 2009 |
| Methods are provided for fabricating an electrical lapping guide, and for using the electrical lapping guide to fabricate a transducer of a magnetic recording head. Additionally, transducers comprising an electrical lapping guide are also provided. Methods of fabricating the electric |
| 7542246 |
Transducer with pole tip protrusion compensation layer |
June 2, 2009 |
| A transducer for a disk drive head includes a pole tip protrusion (PTP) compensation layer disposed proximate to a write element of the head to at least partially offset the effect of pole tip protrusion. The PTP compensation layer can be above, below, or within the write element. Su |
| 7522379 |
Write element with recessed pole and heat sink layer for ultra-high density writing |
April 21, 2009 |
| A head including a write element for writing data to a magnetic media, and methods for its production are provided. A write element of the invention includes one or more of a recessed first pole, a heat sink layer, and a shortened yoke length. A method of the invention provides forming a |
| 7443632 |
Magnetic head with stitched top pole layer and single layer coil or solenoidal coil |
October 28, 2008 |
| A magnetic head is disclosed that has first and second substantially flat soft magnetic pole layers that are magnetically coupled together in a backgap region that is removed from the medium-facing surface; a soft magnetic pedestal having a leading edge and a trailing edge, the trailing |
| 7430098 |
Perpendicular magnetic recording head with dynamic flying height heating element |
September 30, 2008 |
| A magnetic head includes a slider having an air bearing surface (ABS) and a trailing surface, with a transducer fabricated on the trailing surface. The transducer includes an adjunct pole disposed in a first general plane, the adjunct pole having a front edge that is recessed from the AB |
| 7375926 |
Inductive writer design using a soft magnetic pedestal having a high magnetic saturation layer |
May 20, 2008 |
| A magnetic head for writing information on a relatively-moving medium includes a first substantially flat soft magnetic pole layer and a second substantially flat pole layer with at least one coil layer between them. The pole layers are magnetically coupled in a core region and spaced by |
| 7372665 |
Magnetic recording head with resistive heating element located near the write coil |
May 13, 2008 |
| A magnetic head includes a slider body having a trailing surface meeting an air-bearing surface at a trailing edge, with a thin-film transducer disposed on the trailing surface of the slider body near the trailing edge. The thin-film transducer includes a coil embedded between first and |
| 7337530 |
Method for manufacturing a shielded pole magnetic head for perpendicular recording |
March 4, 2008 |
| A method of making a perpendicular magnetic recording head for use in a data storage device includes forming a first pole layer, a second pole layer, a third pole layer, and a shield layer of a write section. The first pole layer, second pole layer, third pole layer, and shield layer |
| 7283327 |
Magnetic write head having resistive heater coil |
October 16, 2007 |
| A magnetic write head includes a magnetic yoke having a first pole and a second pole. The first pole and the second pole each terminate at an air bearing surface. The first pole is magnetically coupled to the second pole in a backgap region. The magnetic write head further includes a |
| 7092195 |
Method of using a magnetic write head having an internal heater |
August 15, 2006 |
| A method adjusts a flying-height distance between a magnetic write head and a magnetic medium. The method includes positioning the write head in a location spaced from the magnetic medium by the flying-height distance. The write head includes a magnetic yoke and a proximal region in |