Patent application number | Description | Published |
20090237837 | MAGNETIC RECORDING HEAD - A method of fabricating a recording head includes depositing an insulator material onto at least a portion of a first member, wherein the insulator material forms an insulator film having a film thickness. The method further includes depositing a writer pole material onto the insulator film, wherein the writer pole material forms a writer pole member, and wherein the insulator film is between the writer pole member and a contact layer. Further, in some embodiments, the film thickness determines the distance between the writer pole member and the first contact member and also determines the distance between the writer pole member and the second contact member. | 09-24-2009 |
20100187120 | DIRECT ELECTRODEPOSITION OF MAGNETIC RECORDING HEAD FEATURES - A method is described for forming a magnetic recording head substrate. The method includes utilizing a metal feature on the magnetic recording head substrate as a grounding path. The magnetic recording head substrate is submerged in a solution containing ions of a second material, and the ions of the second material are electrodeposited on the magnetic recording head substrate. | 07-29-2010 |
20100247960 | PATTERNED ECC AND GRADIENT ANISOTROPY MEDIA THROUGH ELECTRODEPOSITION - An electrodeposited magnetic recording medium having multiple coercivity values is disclosed. In some embodiments, layers having different coercivity levels may be separated by exchange coupled composites and in other embodiments a range of coercivity levels are deposited in a gradient fashion. In some embodiments, the layers with multiple coercivity values comprise bit patterned media islands formed from a photoresist. | 09-30-2010 |
20100273026 | Patterned Magnetic Recording Media By Selective Anodic Removal Of An Element - A patterned magnetic recording media and method thereof is provided. A recording layer comprises a continuous surface of more-noble elements and less-noble elements, such as CoXYZ, wherein X can be Pt, Pd, Ru, Rh, Ir, Os, or Au, wherein Y can be null or Cr, and wherein Z can be null, Cu, Ta, Ti, O, B, Ag, or TiO | 10-28-2010 |
20110109999 | MAGNETIC SHIELD STRUCTURE - An apparatus and associated method for a magnetic shield structure for data transduction from a recordable media in a data storage device. Various embodiments of the present invention are generally directed to a data transducer and a magnetic shield structure comprising a write shield magnetic material constructed of exchange decoupled material. | 05-12-2011 |
20110171425 | FORMATION OF PATTERNED MEDIA BY SELECTIVE ANODIC REMOVAL FOLLOWED BY TARGETED TRENCH BACKFILL - A method is disclosed for defining discrete magnetic and non-magnetic regions on the magnetic film layer of a storage media substrate. The method applies anodic oxidation of a cobalt-containing magnetic film layer to remove cobalt, followed by controlled deposition of a non-magnetic matrix into the regions where the cobalt has been removed. Deposition may either be electrodeposition, collimated vacuum deposition, or other methods depending upon the composition of the non-magnetic matrix being deposited. The method may be performed in a single electrochemical cell. | 07-14-2011 |
20120026625 | LAMINATED CONTACT PAD - A contact pad includes a first layer of material with a first yield strength and a second layer of material with a second yield strength is laminated to the first layer. A third yield strength of the laminated composite of the first layer and the second layer exceeds the first yield strength and the second yield strength due to the Hall-Petch phenomenon. An overcoat covers an edge of the first layer and the second layer of the contact pad to prevent wear. A method of creating the contact pad or other microelectronic structure includes depositing a first layer of material with a first yield strength on a substrate. A second layer of material with a second yield strength is deposited on the first layer. An edge of the first layer and the second layer is coated with an overcoat material to prevent wear of the first and second layers. | 02-02-2012 |
20120075748 | PERPENDICULAR WRITE HEAD WITH LAMINATED SIDE SHIELDS - A perpendicular write head, the write head having an air bearing surface, the write head including a magnetic write pole, wherein at the air bearing surface, the write pole has a trailing side, a leading side that is opposite the trailing side, and first and second sides; side gaps, wherein the side gaps are proximate the write pole along the first and second side edges; and side shields proximate the side gaps, wherein the side shields have gap facing surfaces and include at least one set of alternating layers of magnetic and non-magnetic materials, wherein only one kind of material makes up the gap facing surfaces at the air bearing surfaces. | 03-29-2012 |
20120080317 | ELECTRODEPOSITION OF CoNiP FILMS - A method of forming CoNiP on a substrate that includes the steps of placing a substrate in an electroplating bath, the electroplating bath containing an electroplating composition, the electroplating composition including: a nickel source; a cobalt source; and at least about 0.1 M phosphorus source; and applying a deposition current to the substrate, wherein application of the deposition current to the substrate will cause a CoNiP layer having a thickness of at least about 500 nanometers to be electrodeposited on the substrate. | 04-05-2012 |
20130003225 | MAGNETIC RECORDING HEAD - A method of fabricating a recording head includes depositing an insulator material onto at least a portion of a first member, wherein the insulator material forms an insulator film having a film thickness. The method further includes depositing a writer pole material onto the insulator film, wherein the writer pole material forms a writer pole member, and wherein the insulator film is between the writer pole member and a contact layer. Further, in some embodiments, the film thickness determines the distance between the writer pole member and the first contact member and also determines the distance between the writer pole member and the second contact member. | 01-03-2013 |
20130182545 | HEAT ASSISTED MAGNETIC RECORDING (HAMR) HEADS INCLUDING COMPONENTS MADE OF NICKEL ALLOYS - A magnetic device that includes a write pole having a write pole tip; a read pole having a read pole tip; an optical near field transducer; and a contact pad. The contact pad includes Ni | 07-18-2013 |
20130186765 | ELECTRODEPOSITION METHODS - Methods of depositing a magnetic material on a substrate, the methods including placing a substrate in an plating solution, the plating solution including an additive selected from malonic acid derivatives; β-diketones and β-diketone derivatives; and C | 07-25-2013 |
20130202915 | FORMATION OF PATTERNED MEDIA BY SELECTIVE ANODIC REMOVAL FOLLOWED BY TARGETED TRENCH BACKFILL - A method is disclosed for defining discrete magnetic and non-magnetic regions on the magnetic film layer of a storage media substrate. The method applies anodic oxidation of a cobalt-containing magnetic film layer to remove cobalt, followed by controlled deposition of a non-magnetic matrix into the regions where the cobalt has been removed. Deposition may either be electrodeposition, collimated vacuum deposition, or other methods depending upon the composition of the non-magnetic matrix being deposited. The method may be performed in a single electrochemical cell. | 08-08-2013 |
20130286804 | HEAT ASSISTED MAGNETIC RECORDING HEADS HAVING BILAYER HEAT SINKS - Disclosed herein is an apparatus that includes a near field transducer positioned adjacent to an air bearing surface of the apparatus; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes a first and second portion, with the first portion being adjacent the near field transducer and the second portion being adjacent the first magnetic pole, the first portion including a plasmonic material, and the second portion including a diffusion blocking material. | 10-31-2013 |
20140269235 | MAGNETORESISTIVE ELEMENT WITH NANO-CRYSTALLINE SHIELD - A magnetoresistive data writer and reader may be generally configured at least with a magnetoresistive (MR) element contacting a magnetic shield that is contrasted of (Ni | 09-18-2014 |
20150083601 | NEAR FIELD TRANSDUCERS INCLUDING ELECTRODEPOSITED PLASMONIC MATERIALS AND METHODS OF FORMING - Methods of forming near field transducers (NFTs) including electrodepositing a plasmonic material. | 03-26-2015 |