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US20140254339 |
ETCH STOP CONFIGURATION
A method of making a transducer head disclosed herein includes depositing a spacer layer on an NFT layer of the transducer head, forming an etch stop layer on a spacer layer of a transducer,... |
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US20150170685 |
NOBLE METAL SURROUNDED MAGNETIC LIP AND HEAT SINK FOR HEAT ASSISTED MAGNETIC RECORDING HEAD
The embodiments of the present invention generally relate to a magnetic head having a magnetic lip. The vertical sides and the bottom of the magnetic lip are covered by one or more conductive... |
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US20150146508 |
INTERLAYER FOR DEVICE INCLUDING NFT AND CLADDING LAYERS
A device that includes a near field transducer (NFT); at least one cladding layer adjacent the NFT; and a discontinuous metal layer positioned between the NFT and the at least one cladding layer. |
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US20150255096 |
NEAR-FIELD LIGHT GENERATOR INCLUDING A WAVEGUIDE AND A PLASMON GENERATOR
A plasmon generator includes a first portion and a second portion. A core of a waveguide includes a main body portion and a protruding portion. The main body portion has a first surface and a... |
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US20140010056 |
THERMALLY ASSISTED MAGNETIC WRITE HEAD EMPLOYING A PLASMONIC ANTENNA COMPRISING AN ALLOYED FILM TO IMPROVE THE HARDNESS AND MANUFACURABILITY OF THE ANTENNA
A thermally assisted write head having a plasmonic heating device. The plasmonic heating device has a plasmonic antenna located at an air bearing surface of the thermally assisted write head. The... |
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US20120127839 |
THERMALLY ASSISTED MAGNETIC WRITE HEAD EMPLOYING A PLASMONIC ANTENNA COMPRISING AN ALLOYED FILM TO IMPROVE THE HARDNESS AND MANUFACTURABILITY OF THE ANTENNA
A thermally assisted write head having a plasmonic heating device. The plasmonic heating device has a plasmonic antenna located at an air bearing surface of the thermally assisted write head. The... |
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US20140376347 |
MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CONTAINING SAME
Disclosed herein are near field transducers (NFTs) that include either silver, copper, or aluminum and one or more secondary elements. |
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US20140376351 |
MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CONTAINING SAME
A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B),... |
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US20130279314 |
OPTICAL DEVICES INCLUDING ASSISTANT LAYERS
A waveguide including a top cladding layer, the top cladding layer including a material having an index of refraction, n1; an assistant layer, the assistant layer positioned adjacent the top... |
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US20140376352 |
MATERIALS FOR NEAR FIELD TRANSDUCERS, NEAR FIELD TRANDUCERS CONTAINING SAME, AND METHODS OF FORMING
A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two... |
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US20130107681 |
PLASMON GENERATOR INCLUDING TWO PORTIONS MADE OF DIFFERENT METALS
A plasmon generator configured to excite a surface plasmon based on light includes a first portion formed of a first metal material and a second portion formed of a second metal material different... |
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US20150170684 |
DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS
Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having an air bearing surface; and at least one adhesion layer positioned on the air bearing... |
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US20140376342 |
NEAR-FIELD TRANSDUCER PEG ENCAPSULATION
A near field transducer with a peg region, an enlarged region disposed adjacent the peg region, and a barrier material disposed between the peg region and the enlarged region. The barrier material... |
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US20140376341 |
NEAR-FIELD TRANSDUCER PEG ENCAPSULATION
A near field transducer with a peg region, an enlarged region disposed adjacent the peg region, and a barrier material disposed between the peg region and the enlarged region. The barrier material... |
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US20140254335 |
WAVEGUIDE WITH PHASE SHIFTING PORTIONS
An apparatus includes a plasmonic transducer with first and second oppositely disposed outer edges. A waveguide is configured to receive light from a light source, the waveguide have first and... |
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US20140376353 |
MAGNETIC DEVICES INCLUDING FILM STRUCTURES
A device including a magnetic structure, the magnetic structure having a substrate adjacent surface and a second, opposing surface, the magnetic structure having a near field transducer (NFT),... |
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US20140376343 |
PEG ONLY NEAR-FIELD TRANSDUCER
An apparatus for a heat assisted magnetic recording device that includes a write pole, a near-field transducer, and a heat sink. The near-field transducer is comprised only of a peg disposed... |
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US20140376340 |
PEG ONLY NEAR-FIELD TRANSDUCER
An apparatus for a heat assisted magnetic recording device that includes a write pole, a near-field transducer, and a heat sink. The near-field transducer is comprised only of a peg disposed... |
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US20150131419 |
DEVICES INCLUDING AT LEAST ONE ADHESION LAYER
Devices that include a near field transducer (NFT), the NFT having at least one external surface; and at least one adhesion layer positioned on at least a portion of the at least one external... |
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US20140233362 |
INFORMATION DEVICE
An information device includes a slider (100) including a first metal antenna (103a), a second metal antenna (103b), and a heater (107) configured to vary the distance between the first metal... |
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US20140376349 |
DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS
Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the... |
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US20130279315 |
NEAR FIELD TRANSDUCERS INCLUDING NITRIDE MATERIALS
An apparatus that includes a near field transducer, the near field transducer including an electrically conductive nitride. |
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US20150124575 |
NEAR-FIELD LIGHT GENERATOR INCLUDING A WAVEGUIDE AND A PLASMON GENERATOR
A plasmon generator includes a first portion and a second portion that are adjacent in a first direction orthogonal to the direction of travel of light propagating through a core. The second... |
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US20110205863 |
HAMR NFT Materials With Improved Thermal Stability
A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration... |
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US20150016234 |
PLASMONIC FUNNEL FOR FOCUSED OPTICAL DELIVERY TO A METALLIC MEDIUM
An apparatus includes a transducer including a plasmonic funnel having first and second ends with the first end having a smaller cross-sectional area than the second end, and a first section... |
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US20150179197 |
HAMR HEAD SPOT-SIZE CONVERTERS WITH SECONDARY INDEX CONFINEMENT
The present invention generally relates to a HAMR head having not only a tapered core for the SSC, but additionally a secondary confinement material in the cladding surrounding the core taper. The... |
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US20150248901 |
DEVICES INCLUDING NEAR FIELD TRANSDUCERS
An apparatus that includes a near field transducer (NFT), the NFT including, amongst other elements and materials: tantalum (Ta), niobium (Nb), molybdenum (Mo), rhodium (Rh), ruthenium (Ru),... |
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US20150194172 |
LIGHT BLOCKER FOR STRAY LIGHT REDUCTION WITHIN A SLIDER
A waveguide has an input end near a top of a slider coupled to receive light from an energy source. The waveguide delivers the light at an output end of the waveguide near a bottom of the slider.... |
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US20150262597 |
POLARIZATION ROTATOR
A polarization rotator for a recording head. The polarization rotator comprises a first waveguide coupled to an input coupler at a first end and a second waveguide. The first waveguide is offset... |
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US20150036470 |
E-Antenna Near Field Transducer With Thermal Shunt To Return Pole
In a heat-assisted magnetic recording head for use in a hard disk drive, a thermal shunt is positioned between an E-antenna near field transducer (NFT) and a return pole, to draw excess heat away... |
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US20130286807 |
HEATER ASSEMBLY AND METHOD OF HEATING
A magnetic recording head includes a magnetic writer comprising a main write pole and a return write pole. The magnetic recording head includes a write heater assembly comprising at least one... |
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US20150248905 |
DEVICES INCLUDING A GAS BARRIER LAYER
Devices that include a near field transducer (NFT); a gas barrier layer positioned on at least a portion of the NFT; and a wear resistance layer positioned on at least a portion of the gas barrier... |
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US20140376350 |
DEVICES INCLUDING A GAS BARRIER LAYER
Devices that include a near field transducer (NFT); a gas barrier layer positioned on at least a portion of the NFT; and a wear resistance layer positioned on at least a portion of the gas barrier... |
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US20150131418 |
DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS
Devices that include a near field transducer (NFT), the NFT having at least one external surface; and at least one adhesion layer positioned on at least a portion of the at least one external... |
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US20150255098 |
MULTI-PURPOSE NEAR-FIELD TRANSDUCER HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE
An apparatus includes a writer, an arrangement comprising a plasmonic near-field transducer (NFT) adjacent the writer and comprising a material having a temperature coefficient of resistance... |
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US20150085630 |
MULTI-PURPOSE NEAR-FIELD TRANSDUCER HAVING A TEMPERATURE COEFFICIENT OF RESISTANCE
An apparatus includes a writer, an arrangement comprising a plasmonic near-field transducer (NFT) adjacent the writer and comprising a material having a temperature coefficient of resistance... |
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US20140247706 |
PLASMON GENERATOR INCLUDING TWO PORTIONS MADE OF DIFFERENT METALS
A plasmon generator has a front end face located in a medium facing surface of a magnetic head. The plasmon generator includes a first portion formed of a first metal material and a second portion... |
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US20140313872 |
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH DIFFUSION BARRIER BETWEEN WAVEGUIDE CORE AND WRITE POLE LIP
A heat-assisted magnetic recording (HAMR) head in which the core of the optical waveguide has an end face that abuts the NFT and the write pole lip has a diffusion barrier between the end face of... |
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US20120155232 |
Directional waveguide coupler for ABS reflected light
A waveguide structure for a TAMR head is disclosed wherein at least one detection waveguide is formed parallel to a main waveguide and located a gap distance therefrom. A light source transmits... |
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US20140112115 |
Reduced Plasmon Shield-Generator Gap Structure and Process
Three structures, and processes for manufacturing them, that improve the performance of a TAMR feature in a magnetic write head are disclosed. This improvement is achieved by making the separation... |
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US20150206545 |
SURFACE DIFFUSION INHIBITOR FOR HAMR NFT
Embodiments of the present invention generally relate to a HAMR head including a near field transducer having an antenna, a surface diffusion inhibitor layer disposed on a portion of the antenna... |
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US20150187378 |
PEG HEIGHT OF NEAR-FIELD TRANSDUCERS
A method is provided for characterizing the peg region of a near-field transducer incorporated into a write head of a HAMR magnetic recorder. The method includes providing excitation radiation to... |
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US20150063087 |
PEG HEIGHT OF NEAR-FIELD TRANSDUCERS
A method is provided for characterizing the peg region of a near-field transducer incorporated into a write head of a HAMR magnetic recorder. The method includes providing excitation radiation to... |
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US20150221324 |
NEAR FIELD TRANSDUCER HAVING NOTCH DIFFUSION BARRIER
An apparatus according to one embodiment includes a near field transducer comprising a conductive metal film having a main body, a notch extending from the main body, and a notch diffusion barrier... |
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US20140254336 |
NEAR-FIELD TRANSDUCER WITH FLARE PEG
Disclosed are plasmonic near-field transducers that are useful in heat-assisted magnetic recording. The disclosed plasmonic near-field transducers have an enlarged region and a flared region. In... |
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US20150179199 |
OPTICAL DEVICES INCLUDING LAYERS THAT WRAP THE NEAR FIELD TRANSDUCER (NFT)
A device having an air bearing surface (ABS), the device including a near field transducer (NFT), the NFT having at least a portion thereof at the ABS; a first wrap layer, the first wrap layer... |
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US20140286147 |
PLASMON GENERATOR HAVING FLARE SHAPED SECTION
The present invention relates to a plasmon generator, in which a surface plasmon is excited by application of light. The plasmon generator extends along one direction. The plasmon generator... |
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US20110211428 |
HEAT-ASSISTED MAGNETIC RECORDING WITH SHAPED MAGNETIC AND THERMAL FIELDS TO MINIMIZE TRANSITION CURVATURE
Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole... |
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US20150179194 |
DEVICES INCLUDING AT LEAST ONE INTERMIXING LAYER
Devices that include a near field transducer (NFT), the NFT including a peg having five surfaces, the peg including a first material, the first material including gold (Au), silver (Ag), aluminum... |
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US20140169146 |
WRITE POLE FOR RECORDING HEAD
A write pole structure disclosed herein includes a write pole, a trailing shield, and a high magnetic moment (HMM) material layer on a surface of the trailing shield facing the write pole. |