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Class 360/235.1 - Slider material


Subclass of Class 360 - Dynamic magnetic information storage or retrieval
Definition: Subject matter wherein a particular material is specified
No. of patents: 125
Last issue date: 05/08/2012


1        
NumberTitleIssue Date
8174794Slider having a lubricant-accumulation barrier including a plurality of lubricant-accumulation-barrier portions
A slider resistant to lubricant accumulation. The slider resistant to lubricant accumulation includes a positive-air-pressure portion of the slider configured to levitate the slider above a magnetic-recording disk and a negative-air-pressure portion of the slider co...
05/08/2012
8169744Slider having a lubricant-accumulation barrier
A slider resistant to lubricant accumulation. The slider resistant to lubricant accumulation includes a positive-air-pressure portion of the slider configured to levitate the slider above a magnetic-recording disk and a negative-air-pressure portion of the slider co...
05/01/2012
8164859Head slider producing reduced lubricant adsorption and magnetic storage apparatus
A head slider includes a medium opposing surface configured to oppose a recording surface of a magnetic recording medium, a head element provided on the medium opposing surface, and an outlet end surface provided on a downstream side of the head element in a directi...
04/24/2012
8159783Substrate with intermediate layer for thin-film magnetic head and method of manufacturing the substrate with intermediate layer
A thin-film magnetic head substrate according to the present invention includes: a ceramic base with a principal surface; and an undercoat film, which covers the principal surface of the ceramic base. An electrical/magnetic transducer is provided on the undercoat fi...
04/17/2012
8116036Corrosion inhibitor incorporated in carbon overcoats
Recording heads for a data storage system include a first side having at least a portion of a metal component. A carbon overcoat is on the first side and covers the at least a portion of a metal component. A corrosion inhibitor is incorporated in the carbon overcoat...
02/14/2012
8107197Slider with integrated writer and semiconductor heterostucture read sensor
A slider for magnetic data recording having a semiconductor based magnetoresistive sensor such as a Lorentz magnetoresistive sensor formed on an air bearing surface of the slider body. The slider is constructed of Si, which advantageously provides a needed physical ...
01/31/2012
8018683Head slider and magnetic recording device therewith
A head slider that can furnish excellent head flying stability and a magnetic recording device having excellent head flying stability are provided. For the head slider, the protective layer is composed of two layers, that is, a lower layer and an upper layer thereon...
09/13/2011
8014104Magnetic head/disk with transition metal oxynitride adhesion/corrosion barrier and diamond-like carbon overcoat bilayer
A protective bilayer on a magnetic read/write head or magnetic disk is formed as an adhesion enhancing and corrosion resistant underlayer and a protective diamond-like carbon (DLC) overlayer. The underlayer is a transition metal oxynitride, having the general formul...
09/06/2011
8004796Slider with contact features initiated at wafer level
A method is disclosed for producing sliders with protective contacts features the fabrication of which is initiated at the wafer level. Recesses are formed in the wafer, a protective material is provided in the recesses, and the wafer is sliced along the recesses an...
08/23/2011
7948712Dual thickness carbon overcoat
A transducer carrying structure includes a first portion carrying the transducer, a second portion spaced from the transducer, and a spacing control actuation system operable to adjust a position of the first portion of the transducer carrying structure. An overcoat...
05/24/2011
7782569Magnetic recording head and media comprising aluminum oxynitride underlayer and a diamond-like carbon overcoat
A method for forming a protective bilayer on a magnetic read/write head or magnetic disk. The bilayer is formed as an adhesion enhancing underlayer and a protective diamond-like carbon (DLC) overlayer. The underlayer is formed of an aluminum or alloyed aluminum oxyn...
08/24/2010
7675711Measuring and neutralizing the electrical charge at the interface of a magnetic head and media
A system and method for measuring and neutralizing the electrical charge at the interface of a magnetic head and a magnetic storage medium, such as a disk, is disclosed. A surface treatment material is applied to the magnetic head. The surface treatment material mat...
03/09/2010
7542237Apparatus and method for slider including shape memory alloy pads in a hard disk drive
Slider including at least one pad including shape memory alloy layer with titanium oxide contact layer. When slider contacts disk surface, pad(s) undergoes solid-to-solid phase change from the first to second phase, absorbing energy and possibly deforming. When cont...
06/02/2009
7508631Silicon-made magnetic head slider
In a magnetic disk device, cost reduction is designed by improving productivity, and increase in recording density and increase in capacity of the device or size reduction are designed with reliability being ensured. In one embodiment, a magnetic disk device has a m...
03/24/2009
7502201Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material
The magnetic head slider material of the present invention is a magnetic head slider material made of a sintered body containing alumina, titanium carbide, and carbon; wherein a titanium carbide crystal grain has an average crystal grain size greater than that of an...
03/10/2009
7446978Magnetic slider and method of manufacturing magnetic head slider
The magnetic head slider material of the present invention is constituted by a sintered body containing 100 parts by weight of alumina, 20 to 120 parts by weight of titanium carbide, and 0.2 to 9 parts by weight of carbon. ...
11/04/2008
7403356Disk drive including slider mover having low thermal coefficient of resistivity
A disk drive includes a drive housing, a storage disk and a slider. The slider includes a head that magnetically interacts with the storage disk. Further, the slider includes a slider mover that moves a portion of the slider to adjust a head-to-disk spacing during o...
07/22/2008
7392580Method for manufacturing a slider using electromagnetic wave
A method for manufacturing sliders from a bar has: a radiating step which includes radiating an electromagnetic wave on at least a part of each space on a second surface of said bar, wherein said second surface is a back surface of a first surface of said bar, said ...
07/01/2008
7381670Material for magnetic head slider, magnetic head slider, and method of producing material for magnetic head slider
A material for a magnetic head slider according to the present invention is a magnetic head slider material comprised of a sintered body containing alumina and titanium carbide, in which an area percentage of an area of alumina crystal grains and titanium carbide cr...
06/03/2008
7369357Magnetic head, head suspension assembly, magnetic reproduction apparatus, and method of manufacturing magnetic head
A magnetic head for use in the vicinity of a magnetic recording medium, comprising a substrate, a close contact layer laminated on the substrate, and a protective layer which is laminated on the close contact layer and which faces the magnetic recording medium, the ...
05/06/2008
7369369Bidirectional micropositioning recording head for a magnetic storage device
A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a magnetic medium surface of the magnetic storage medium, thereby enabling improved positioning of the transd...
05/06/2008
7357875Hybrid coating for magnetic heads
A system and method for providing corrosion protection for a magnetic read/write head is disclosed. A monolayer surface coating is applied to cover those portions of the under layer of a magnetic read/write head not already covered by a previously applied diamond-li...
04/15/2008
7352524Magnetic disk drive
A magnetic disk drive comprises a recording medium, a slider, and an alignment device for aligning the slider with respect to the medium. No film made of liquid lubricant is disposed on the surface of the medium. The slider incorporates: a slider main body including...
04/01/2008
7349187Tunnel barriers based on alkaline earth oxides
Magnetic tunnel junctions are disclosed that include ferromagnetic (or ferrimagnetic) materials and a bilayer tunnel barrier structure that includes a layer of alkaline earth oxide. The bilayer also includes a layer of crystalline material, such as MgO or Mg—ZnO. ...
03/25/2008
7345849Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material
The magnetic head slider material of the present invention is constituted by a sintered body containing 100 parts by weight of alumina, 20 to 150 parts by weight of titanium carbide and silicon carbide in total, and 0.2 to 9 parts by weight of carbon. ...
03/18/2008
7327535Hybrid coating for magnetic heads
A system and method for providing corrosion protection for a magnetic read/write head is disclosed. A monolayer surface coating is applied to cover those portions of the under layer of a magnetic read/write head not already covered by a previously applied diamond-li...
02/05/2008
7262938Flying-type disk drive slider with self-blending contact pad
The invention is generally directed to a slider that is particularly suited for dynamic load/unload disk drive designs. This slider desirably addresses potential disk damage associated with contact between sharp edges of the slider of the disk drive and the data sto...
08/28/2007
7262937Responsive aeroelastic slider
One embodiment of the present invention pertains to a slider that includes a substrate, a transducer tip disposed on the substrate, and a hydrodynamic surface including a responsive aeroelastic deposit. The substrate has a first coefficient of expansion responsive t...
08/28/2007
7259937Magnetic recording device having a head slider utilizing a water-repellant resin lubricant having specified surface tension properties
A head slider to which little amount of contaminants is adhered, that can form a uniform and flat head lubricant layer surface and that has excellent ultra-low floating properties, as well as a magnetic recording device equipped with the head slider are provided. Th...
08/21/2007
7248442Integrated recording head micropositioner using off-axis flexure bending
A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a magnetic medium surface of the magnetic storage medium, thereby enabling improved positioning of the transd...
07/24/2007
7237323Method for manufacturing a magnetic head
A method of making a magnetic head having an air bearing surface (ABS) composed of a flat and smooth worked surface and having a reduced step produced between a rail portion on the ABS and an element portion. Steps of the method include forming an electromagnetic tr...
07/03/2007
7236328Method for producing a transducer slider with tapered edges
The present invention relates to a method for producing a transducer slider. The method involves first coating a substrate with a radiation-sensitive layer and exposing the radiation-sensitive layer to radiation according to an intensity pattern. Preferably, the int...
06/26/2007
7230805Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step
A semiconductor slider including an integral spin valve transistor (SVT) having a read width of 250 nm or less disposed on a monolithic semiconductor. substrate, useful in magnetic data storage applications. The monolithic slider may also include other magnetic and ...
06/12/2007
7227723Reduced lubricant accumulating slider
A slider having an advanced air bearing can employ control features that permit control of the flow-field streamline direction and thus enable an indirect mass transfer that flushes any accumulated lubricant out of the advanced air bearing. These control features ca...
06/05/2007
7209323Slider having cavity floor with differing depths
A disc head slider having a slider body that includes a bearing surface, a cavity dam and a sub-ambient pressure cavity is provided. The sub-ambient pressure cavity has a cavity floor, a plurality of sides and a depth that progressively varies between a point on one...
04/24/2007
7200918Method for forming an air bearing surface on a slider
Embodiments include a slider having a silicon body and at least one carbide pad structure embedded therein. At least one head structure for reading and/or writing data is located on the silicon body. The silicon body includes an air bearing surface on which the head...
04/10/2007
7199978Method and apparatus for connecting a micro-actuator to driver arm suspension
A system and method for connecting an actuator to a suspension element is disclosed. The actuator is electrically coupled using a silver paste. The silver paste is further covered by a coating application to provide structural support. A step, attached to either the...
04/03/2007
7196872Sliders bonded by a debondable encapsulant comprising different polymers formed via in situ polymerization
A slider assembly is provided comprising a plurality of sliders bonded by a debondable solid encapsulant comprised of different first and second polymers The solid encapsulant is comprised of a polymer prepared by polymerizing an encapsulant fluid comprising a homog...
03/27/2007
7196016Fabrication process for preparing recording head sliders made from silicon substrates with SiOovercoats
A method for fabricating recording head sliders made from silicon substrates, is described. A Silicon wafer with a SiO2 overcoat is provided, and a layer of material which is resistant to Deep Reactive Ion Etching (DRIE) is deposited on the SiO2
03/27/2007
7196873Disk device and slider
A disk device rotates a disk-like storage medium, and accesses the storage medium, and a slider floats over a storage medium by the action of an airflow caused by rotation of the storage medium and can float stably despite of an environmental change. An inner rail f...
03/27/2007
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