Patent application number | Description | Published |
20090028007 | Near-Field Optical Head and Information Recording Apparatus - The invention is a near-field optical head that generates near-field light to heat a predetermined area of a medium and applies a magnetic field to the predetermined area to record information, the head including an optical waveguide | 01-29-2009 |
20090208641 | FABRICATION METHOD AND FABRICATION APPARATUS OF HEAD USING NEAR FIELD LIGHT - Truncated quadrangular pyramids | 08-20-2009 |
20090323223 | HEAD GIMBAL MECHANISM AND INFORMATION RECORDING/REPRODUCING APPARATUS - There is provided a head gimbal mechanism | 12-31-2009 |
20100002550 | NEAR FIELD LIGHT ASSIGNED MAGNETIC RECORDING HEAD AND RECORDING APPARATUS USING THE SAME - A near field light assisted magnetic recording head | 01-07-2010 |
20100046111 | RECORDING HEAD AND DATA RECORDING AND REPRODUCING APPARATUS - There is provided a recording head | 02-25-2010 |
20100061199 | NEAR FIELD LIGHT GENERATING ELEMENT NEAR FIELD OPTICAL HEAD, AND INFORMATION RECORDING AND REPRODUCING APPARATUS - There is provided a near field light generating element | 03-11-2010 |
20100091619 | NEAR- FIELD OPTICAL HEAD AND INFORMATION RECORDING / REPRODUCING DEVICE - A near-field optical head includes: a slider which has an opposedly-facing surface which faces a surface of a magnetic recording medium; an optical flux introducing means which introduces the optical flux toward the opposedly-facing surface; a first inclined surface | 04-15-2010 |
20100284252 | NEAR FIELD OPTICAL HEAD AND INFORMATION RECORDING AND REPRODUCING DEVICE - A near field optical head includes a slider | 11-11-2010 |
20110007621 | Near Field Optical Head and Information Recording and Reproducing Device - A near field optical head includes: a slider provided so as to float from a surface of the magnetic recording medium by a predetermined distance, the slider having a facing surface faced to a surface of the magnetic recording medium; a tipped-shaped near field light generating element formed on the facing surface to have a bottom surface in contact with the facing surface, a top surface formed into a flat surface by cutting a top end of a cone or a pyramid, the flat surface being at a predetermined angle with the bottom surface, and a side surface connecting the bottom surface with the top surface for generating near field light from the top surface; a magnetic pole part formed from a main magnetic pole formed on the side surface and an auxiliary magnetic pole facing the main magnetic pole; a thin film-shaped magnetic circuit connected to the magnetic pole part; and a coil wound around the magnetic circuit. | 01-13-2011 |
20110024387 | TIP TYPE PROBE MANUFACTURING METHOD, TIP TYPE PROBE AND TIP TYPE PROBE MANUFACTURING APPARATUS - An easy and high-efficient tip probe manufacturing method is provided. The manufacturing method of a tip type probe having a metal film on side surfaces of a truncated pyramid formed of a top surface and the side surfaces includes the steps of: forming an etching mask of a shape similar to a shape of the top surface on a substrate; forming the truncated pyramid by subjecting the substrate to isotropic etching using the etching mask as a mask member; stopping the isotropic etching after an area of the top surface becomes smaller than an area of the etching mask; and forming the metal film by allowing film forming particles to round about and enter into a space between the etching mask and the side surfaces. | 02-03-2011 |
20110122736 | NEAR-FIELD OPTICAL HEAD AND INFORMATION RECORDING/REPRODUCING DEVICE - A near-field optical head includes: a near-field light generating element, formed on a counter surface of a slider facing the surface of a magnetic recording medium and having two or more side surfaces each of which are in contact with the counter surface at a certain angle with the counter surface, for generating the near-field light; at least one lower wiring formed on at least one of the side surfaces of the near-field light generating element; a thin-film-like magnetic pole disposed to a position covering the lower wiring; at least one upper wiring disposed on one of the two sides of the magnetic pole, opposite to the side on which the lower wiring is disposed; at least one side surface wiring connecting the lower wiring and the upper wiring; insulating layers insulating each of the lower wiring, the magnetic pole, and the upper wiring from the others; and a coil wound around the magnetic pole by connecting the lower wiring and the upper wiring alternately and serially using the side surface wiring. | 05-26-2011 |
20110122738 | INFORMATION RECORDING AND REPRODUCTION APPARATUS - The present invention relates to an information recording and reproduction apparatus which records the information on a disk by heating the disk with near-field light and causing magnetization reversal by applying a recording magnetic field to the disk. An optical waveguide | 05-26-2011 |
20110188355 | INFORMATION RECORDING AND REPRODUCTION APPARATUS - The present invention relates to an information recording and reproduction apparatus which records the information on a disk by heating the disk with near-field light and causing magnetization reversal by applying a recording magnetic field to the disk. A photoelectric composite wiring line | 08-04-2011 |
20110188356 | HEAD GIMBAL ASSEMBLY AND DATA RECORDING AND REPRODUCING APPARATUS HAVING THE SAME - A head gimbal assembly includes: a suspension extending along a surface of a recording medium and being flexibly deformable in the thickness direction; a slider arranged so as to oppose the surface of the recording medium on a distal side of the suspension; a supporting portion configured to support the slider in a rotatable state with respect to two axes being parallel to the surface of the recording medium and orthogonal to each other on the opposite side of the slider from the recording medium; and a light waveguide connected to the slider and configured to introduce an optical flux emitted from a light source to the slider. The slider includes a spotlight generating element configured to generate a spotlight from the optical flux, and record data in the recording medium using the spotlight. A positioning portion having a flat surface and being used for positioning between the light waveguide and the slider is arranged between the supporting portion and the slider. | 08-04-2011 |
20110199868 | INFORMATION RECORDING AND REPRODUCTION APPARATUS - The present invention relates to an information recording and reproduction apparatus | 08-18-2011 |