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1911results about How to "Improve surface smoothness" patented technology
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Semiconductor device in which zinc oxide is used as a semiconductor material and method for manufacturing the semiconductor device
ActiveUS7501293B2Improve surface smoothnessHigh crystallinityTransistorLaser detailsSemiconductor materialsDevice material
A semiconductor device having excellent crystallinity and excellent electric characteristics includes a ZnO thin film having excellent surface smoothness. ZnO-based thin films (an n-type contact layer, an n-type clad layer, an active layer, a p-type clad layer, and a p-type contact layer) primarily including ZnO are formed sequentially by an ECR sputtering method or other suitable method on a zinc-polar surface of a ZnO substrate. A transparent electrode and a p-side electrode are formed by an evaporation method or other suitable method on a surface of the p-type contact layer, and an n-side electrode is formed on an oxygen-polar surface of the ZnO substrate.
Owner:MURATA MFG CO LTD
Ge-Sb-Te FILM FORMING METHOD, Ge-Te FILM FORMING METHOD, AND Sb-Te FILM FORMING METHOD
ActiveUS20140162401A1Improve surface smoothnessImprove featuresSemiconductor/solid-state device manufacturingChemical vapor deposition coatingDimethylhydrazineMetallurgy
A Ge—Sb—Te film forming method includes a Sb source material introducing process, a first purging process, a Te source material introducing process, a second purging process, a Ge source material introducing process, a third purging process. An additive gas containing at least one of ammonia, methylamine, dimethylamine, hydrazine, monomethylhydrazine, dimethylhydrazine and pyridine is introduced in at least one of the Sb, Te and Ge source material introducing processes and the first to third purging processes.
Owner:TOKYO ELECTRON LTD
Fiber optic cable having a water-swellable element
ActiveUS7567739B2Reduces microbending and other optical attenuation of opticalImprove surface smoothnessFibre mechanical structuresFiberCoupling
Disclosed is a fiber optic cable that includes optical fibers and a water-swellable element, such as a powder-free fabric tape, that are enclosed within a buffer tube. Adhesive material, such as discrete domains of adhesive foam, may be optionally employed to provide adhesive coupling of the optical fibers and the water-swellable element.
Owner:DRAKA COMTEQ BV
Magnetic recording medium
InactiveUS20160064025A1Improve running durabilityIncreased durabilityRecord information storageMagnetic recordingNon magneticMaterials science
The magnetic recording medium comprises a nonmagnetic layer comprising nonmagnetic powder and binder on a nonmagnetic support and a magnetic layer comprising ferromagnetic powder and binder on the nonmagnetic layer, wherein the magnetic layer comprises a lubricant and a 1-bromonaphthalene contact angle adjusting agent that is capable of adjusting a contact angle for 1-bromonaphthalene, the contact angle for 1-bromonaphthalene being measured on a surface of the magnetic layer, and the contact angle measured on the surface of the magnetic layer ranges from 45.0° to 55.0° for 1-bromonaphthalene, and ranges from 90.0° to 100.0° for water.
Owner:FUJIFILM CORP
Method and apparatus for improved processing with a gas-cluster ion beam
ActiveUS7060989B2Smoothing capabilityImprove etching effectMaterial analysis by optical meansIon beam tubesGas cluster ion beamLight beam
Apparatus and methods for improving processing of workpieces with gas-cluster ion beams and modifying the gas-cluster ion energy distribution in the GCIB. In a reduced-pressure environment, generating an energetic gas-cluster ion beam and subjecting the beam to increased pressure region.
Owner:TEL EPION
Magnetic tape device and magnetic reproducing method
ActiveUS20180286448A1Improve smoothnessImprove surface smoothnessMaterials with ironTape carriersMagnetic tapeFull width at half maximum
The magnetic tape device includes a TMR head (reproducing head); and a magnetic tape including a magnetic layer including ferromagnetic powder, a binding agent, and fatty acid ester, in which Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, full widths at half maximum of spacing distribution measured by optical interferometry regarding the surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and equal to or smaller than 7.0 nm, a difference between spacings before and after the vacuum heating is greater than 0 nm and equal to or smaller than 8.0 nm, and ΔSFD (=SFD25° C.−SFD−190° C.) in a longitudinal direction of the magnetic tape is equal to or smaller than 0.50.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS20180286451A1Prevent occurrenceDecrease in resistance valueMaterials with ironAlignment for track following on tapesSurface measurementMagnetic layer
The magnetic tape device includes a TMR head (servo head); and a magnetic tape, in which a magnetic layer of the magnetic tape includes fatty acid ester, Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, full widths at half maximum of spacing distribution measured by optical interferometry regarding a surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and equal to or smaller than 7.0 nm, a difference between spacings before and after the vacuum heating is greater than 0 nm and equal to or smaller than 8.0 nm, and ΔSFD (=SFD25° C.−SFD−190° C.) in a longitudinal direction of the magnetic tape is equal to or smaller than 0.50.
Owner:FUJIFILM CORP
Smooth finish UV ink system and method
InactiveUS20060075917A1Improve surface smoothnessReduced drop spreadDuplicating/marking methodsOther printing apparatusEngineeringPrinting ink
A printing method includes steps of applying an ink-receptive coating to a substrate; printing an actinic radiation-curable ink jet ink over the coating; and curing the printed ink jet ink. An article printed by the method has a ink-receptive coating layer with a cured print. An apparatus for carrying out the method includes a coating station at which the ink-receptive coating is applied to a substrate, an ink jet printhead at which the energy-curable ink jet ink is applied, and a source of actinic radiation for curing the applied ink. The ink may be applied in sufficient amount to achieve a color density comparable to that obtained using other printing processes such as flexographic or gravure printing processes. The ink-receptive coating layer may be of a thickness sufficient to provide improve surface smoothness and / or reduced drop spread relative to an uncoated substrate.
Owner:ELECTRONICS FOR IMAGING
Magnetic tape and magnetic tape device
ActiveUS20170372740A1Improve accuracyAccurate informationBase layers for recording layersAlignment for track following on tapesMagnetic tapeFull width at half maximum
Provided is a magnetic tape in which the total thickness is equal to or smaller than 5.30 μm, the magnetic layer includes a timing-based servo pattern, a magnetic layer surface Ra is equal to or smaller than 1.8 nm, the magnetic layer includes fatty acid ester, a full width at half maximum of spacing distribution measured by optical interferometry regarding the surface of the magnetic layer before performing vacuum heating with respect to the magnetic tape is greater than 0 nm and equal to or smaller than 7.0 nm, a full width at half maximum of spacing distribution measured after performing the vacuum heating is greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between a spacing measured after performing the vacuum heating and a spacing measured before performing the vacuum heating is greater than 0 nm and equal to or smaller than 8.0 nm.
Owner:FUJIFILM CORP
Magnetic tape device and magnetic reproducing method
ActiveUS20180286442A1Improve smoothnessImprove surface smoothnessMaterials with ironRecord information storageIn planeX-ray
The magnetic tape device includes a TMR head (reproducing head); and a magnetic tape including a magnetic layer including ferromagnetic hexagonal ferrite powder, a binding agent, and fatty acid ester, in which an XRD intensity ratio obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio is 0.65 to 1.00, Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, full widths at half maximum of spacing distribution measured by optical interferometry regarding the surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and equal to or smaller than 7.0 nm, and a difference between spacings before and after the vacuum heating is greater than 0 nm and equal to or smaller than 8.0 nm.
Owner:FUJIFILM CORP
Magnetic tape and magnetic tape device
ActiveUS9837116B2Increase the number ofIncrease recording capacityAlignment for track following on tapesRecord information storageMagnetic tapeSurface roughness
Owner:FUJIFILM CORP
Prepreg fabric and honeycomb sandwich panel
InactiveUS6429157B1Good self-adhesiveReduce porositySynthetic resin layered productsPaper/cardboard layered productsPorosityHoneycomb
A woven fabric prepreg comprising at least [A] a woven fabric as reinforcing fibers, [B] a thermosetting resin or thermosetting resin composition and [C] fine particles of a resin and having a cover factor of 95% or more, and a honeycomb sandwich panel, comprising skin panels fabricated by said woven fabric prepreg and [D] a honeycomb core can be obtained. The woven fabric prepreg little changes in tackiness with the lapse of time and has moderate drapability, being excellent in self adhesiveness to the honeycomb core when used as skin panels of a honeycomb sandwich panel. Furthermore, the honeycomb sandwich panel obtained has a small porosity in the skin panels fabricated by the cured prepreg and has excellent surface smoothness with few pits and depressions on the surfaces of the skin panels.
Owner:TORAY IND INC
Magnetic tape
ActiveUS20170249963A1Improve featuresImprove surface smoothnessBase layers for recording layersTape carriersMagnetic tapeSurface roughness
The magnetic tape has a magnetic layer containing ferromagnetic powder, abrasive, and binder on a nonmagnetic support, wherein the centerline average surface roughness Ra measured on the surface of the magnetic layer is less than or equal to 1.8 nm, the contact angle for 1-bromonaphthalene that is measured on the surface of the magnetic layer falls within a range of 45.0° to 60.0°, and the coefficient of friction that is measured on the base portion of the surface of the magnetic layer is less than or equal to 0.35.
Owner:FUJIFILM CORP
Magnetic tape and method of manufacturing the same
ActiveUS20170053670A1Enhance electromagnetic characteristicImprove surface smoothnessRecord information storageTape carriersMagnetic layerLogarithmic decrement
The magnetic tape has a magnetic layer containing ferromagnetic powder and binder on a nonmagnetic support, wherein the centerline average surface roughness Ra as measured on the surface on the magnetic layer side of the magnetic tape is less than or equal to 1.8 nm, and the logarithmic decrement as determined by a pendulum viscoelasticity test on the surface on the magnetic layer side of the magnetic tape is less than or equal to 0.050.
Owner:FUJIFILM CORP
Magnetic tape having controlled surface properties of the magnetic layer and method of manufacturing the same
ActiveUS10026434B2Improve surface smoothnessImprove featuresRecord information storageTape carriersMagnetic tapeSurface roughness
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS10062403B1Improve accuracyExact reproductionTape carriersRecord information storageMagnetic force microscopeMagnetic tape
Owner:FUJIFILM CORP
Magnetic tape and magnetic tape device
ActiveUS9779772B1High precisionAccurate informationAlignment for track following on tapesRecord information storageMagnetic tapeSurface roughness
The magnetic tape has a magnetic layer containing ferromagnetic powder and binder on a nonmagnetic support, wherein a timing based servo pattern is present on the magnetic layer, the centerline average surface roughness Ra that is measured on the surface of the magnetic layer is less than or equal to 1.8 nm, and the coefficient of friction that is measured on the base portion of the surface of the magnetic layer is less than or equal to 0.35.
Owner:FUJIFILM CORP
Magnetic tape device and magnetic reproducing method
ActiveUS20180286450A1Improve smoothnessImprove surface smoothnessMaterials with ironRecord information storageIn planeX-ray
The magnetic tape device includes a magnetic tape including a magnetic layer; and a TMR head (reproducing head), in which an intensity ratio of a peak intensity of a diffraction peak of a (110) plane with respect to a peak intensity of a diffraction peak of a (114) plane of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS20180240481A1Lower the resistance valueAvoid it happening againAlignment for track following on tapesTape carriersX-rayEngineering
The magnetic tape device includes a TMR head as a servo head; and a magnetic tape which includes a magnetic layer including ferromagnetic hexagonal ferrite powder and a binding agent, and including a servo pattern, an XRD intensity ratio (Int(110) / Int(114)) of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050.
Owner:FUJIFILM CORP
Magnetic tape device and magnetic reproducing method
ActiveUS20180240478A1Improve smoothnessImprove surface smoothnessMagnetic materials for record carriersBase layers for recording layersIn planeX-ray
The magnetic tape device includes a TMR head as a reproducing head; and a magnetic tape which includes a non-magnetic support, and a magnetic layer including ferromagnetic hexagonal ferrite powder and a binding agent on the non-magnetic support, an XRD intensity ratio (Int(110) / Int(114)) of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050.
Owner:FUJIFILM CORP
Magnetic tape and magnetic tape device
ActiveUS20170358318A1Improve surface smoothnessImproved head positioning accuracyAlignment for track following on tapesRecord information storageMagnetic tapeX-ray
The magnetic tape includes a non-magnetic layer including non-magnetic powder and a binder on a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer, in which the magnetic layer includes a timing-based servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, one or more components selected from the group consisting of fatty acid and fatty acid amide are at least included in the magnetic layer, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.
Owner:FUJIFILM CORP
Magnetic tape device and magnetic reproducing method
ActiveUS20180286439A1Improve smoothnessImprove surface smoothnessTape carriersRecord information storageMagnetic force microscopeMagnetic tape
The magnetic tape device includes a TMR head and a magnetic tape, in which the magnetic tape includes fatty acid ester in a magnetic layer, Ra measured regarding a surface of the magnetic layer is 2.0 nm or smaller, full widths at half maximum of spacing distribution measured by optical interferometry regarding a surface of the magnetic layer before and after performing a vacuum heating with respect to the magnetic tape are greater than 0 nm and 7.0 nm or smaller, a difference between spacings before and after the vacuum heating is greater than 0 nm and 8.0 nm or smaller, and a ratio of an average area Sdc of a magnetic cluster of the magnetic tape in a DC demagnetization state and an average area Sac of a magnetic cluster thereof in an AC demagnetization state measured with a magnetic force microscope is 0.80 to 1.30.
Owner:FUJIFILM CORP
Magnetic tape device and magnetic reproducing method
ActiveUS20180240479A1Lower the resistance valueImprove smoothnessManufacture head surfaceTape carriersMagnetic tapeSurface roughness
The magnetic tape device includes a magnetic tape; and a TMR head as a reproducing head, in which a center line average surface roughness Ra measured regarding a surface of the magnetic layer of the magnetic tape is equal to or smaller than 2.0 nm, a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050, and ΔSFD in a longitudinal direction of the magnetic tape calculated by Expression 1: ΔSFD=SFD25° C.−SFD−190° C. is equal to or smaller than 0.50, wherein, in Expression 1, the SFD25° C. is a switching field distribution SFD measured in a longitudinal direction of the magnetic tape at a temperature of 25° C., and the SFD−190° C. is a switching field distribution SFD measured in a longitudinal direction of the magnetic tape at a temperature of −190° C.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS20180240489A1Lower the resistance valueAvoid it happening againMagnetic materials for record carriersRecord information storageMagnetic tapeSurface roughness
The magnetic tape device including: a magnetic tape including a servo pattern on a magnetic layer; and a TMR head as a servo head, in which a center line average surface roughness Ra measured regarding a surface of the magnetic layer of the magnetic tape is equal to or smaller than 2.0 nm, a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050, and ΔSFD in a longitudinal direction of the magnetic tape calculated by Expression 1: ΔSFD=SFD25° C.−SFD−190° C. is equal to or smaller than 0.50, wherein the SFD25° C. is SFD measured in a longitudinal direction of the magnetic tape at a temperature of 25° C., and the SFD−190° C. is SFD measured in a longitudinal direction of the magnetic tape at a temperature of −190° C.
Owner:FUJIFILM CORP
Magnetic tape and magnetic tape device
ActiveUS20170372726A1Improve surface smoothnessReduce frequencyAlignment for track following on tapesRecord information storageMagnetic tapeX-ray
The magnetic tape includes a magnetic layer having ferromagnetic powder and a binder on a non-magnetic support, in which a total thickness of the magnetic tape is equal to or smaller than 5.30 μm, the magnetic layer includes a timing-based servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, one or more components selected from the group consisting of fatty acid and fatty acid amide are included in the magnetic layer, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is equal to or greater than 45 atom %.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS20180286453A1Prevent occurrenceDecrease in resistance valueMaterials with ironAlignment for track following on tapesPhysicsPeak area
The magnetic tape device includes a magnetic tape including a magnetic layer, in which an intensity ratio of a peak intensity of a diffraction peak of a (110) plane with respect to a peak intensity of a diffraction peak of a (114) plane of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed on the surface of the magnetic layer at a photoelectron take-off angle of 10 degrees is 45 to 65 atom %.
Owner:FUJIFILM CORP
Magnetic tape and method of manufacturing the same
ActiveUS20180301165A1Improve surface smoothnessImprove featuresTape carriersRecord information storageMagnetic tapeSurface roughness
The magnetic tape has a magnetic layer containing ferromagnetic powder and binder on a nonmagnetic support, wherein the centerline average surface roughness Ra as measured on the surface on the magnetic layer side of the magnetic tape is less than or equal to 1.8 nm, and the logarithmic decrement as determined by a pendulum viscoelasticity test on the surface on the magnetic layer side of the magnetic tape is less than or equal to 0.050.
Owner:FUJIFILM CORP
Magnetic tape device and head tracking servo method
ActiveUS20190096437A1Improve accuracyExact reproductionMaterials with ironAlignment for track following on tapesMagnetic tapeFull width at half maximum
Owner:FUJIFILM CORP
Magnetic recording medium
InactiveUS20090087689A1Improve high-speed running stabilityMaintain good propertiesMagnetic materials for record carriersRecord information storageAtomic force microscopyMagnetic force microscope
The magnetic recording medium comprises a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support. In the magnetic recording medium, a number of protrusions equal to or greater than 10 nm in height on the magnetic layer surface, as measured by an atomic force microscope, ranges from 50 to 500 / 1,600 μm2, the binder comprises a polyurethane resin with a weight average molecular weight ranging from 100,000 to 200,000, and the magnetic layer further comprises a carbonic ester having a molecular weight ranging from 360 to 460.
Owner:FUJIFILM CORP
Magnetic tape device and magnetic reproducting method
ActiveUS20180240476A1Lower the resistance valueImprove smoothnessMagnetic materials for record carriersBase layers for recording layersMagnetic force microscopeMagnetic tape
The magnetic tape device includes a magnetic tape; and a reproducing head, in which the reproducing head is a TMR head, a center line average surface roughness Ra measured regarding a surface of the magnetic layer of the magnetic tape is equal to or smaller than 2.0 nm, a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050, and a ratio (Sdc / Sac) of an average area Sdc of a magnetic cluster of the magnetic tape in a DC demagnetization state and an average area Sac of a magnetic cluster of the magnetic tape in an AC demagnetization state measured with a magnetic force microscope is 0.80 to 1.30.
Owner:FUJIFILM CORP
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