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7641991 |
Magnetic recording medium
A magnetic recording medium is provided that comprises a non-magnetic support and at least one magnetic layer above the support, the magnetic layer comprising a ferromagnetic powder dispersed in a...
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7638212 |
Magnetic recording medium
A magnetic recording medium is provided that comprises a non-magnetic support and, in order thereabove, a radiation-cured layer cured by exposing a layer comprising a radiation curing compound to...
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7527881 |
Cleaning medium
A cleaning medium comprising: a backcoat layer; a nonmagnetic support; and a cleaning layer containing ferromagnetic powder and a binder, in this order, wherein the cleaning layer has projections...
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7449257 |
Magnetic recording medium and production process therefor
A magnetic recording medium is provided that includes a non-magnetic support, and at least one magnetic layer provided above the non-magnetic support, the magnetic layer having a ferromagnetic...
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7368189 |
Magnetic recording medium
A magnetic recording medium comprising: a magnetic layer containing ferromagnetic powder and a binder; a nonmagnetic support; and a back coat layer, in this order, wherein the nonmagnetic support...
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7348079 |
Magnetic recording medium
A magnetic recording medium is provided that has on a non-magnetic support, in order, a radiation-cured layer formed by curing a layer containing a radiation curing compound by exposure to...
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7267895 |
Magnetic tape and method for manufacturing the same
A method for manufacturing a magnetic tape includes the steps of feeding a broad magnetic tape including a broad support formed with a magnetic recording layer on one side thereof and a back coat...
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7153594 |
Iron-based powder
The present invention concerns a new ferromagnetic powder composition comprising soft magnetic iron-based core particles wherein the surface of the core particles are surrounded by an insulating...
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6869700 |
Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber
A soft magnetic alloy fiber has a width of 10 μm or more to less than 500 μm, a thickness of 2 μm or more to less than 20 μm, and a Curie temperature of −50° C. or higher.
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6660364 |
Magnetic recording medium
The object of the present invention is to provide a magnetic recording medium, particularly, a tape for data backup, which is less in wear of head, small in output deterioration and high in...
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6653001 |
Magnetic tape having specific meandering features
Provided is a thin magnetic tape with good tracking and very little output variation in VTRs. The magnetic tape comprises a flexible support, a magnetic layer provided on one side of said flexible...
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6653000 |
Magnetic recording medium comprising a specific azo dye
Provided is a magnetic recording medium that is employed to particular advantage as an external recording medium for the recording of digital data, having a layer in which carbon black is well...
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6627313 |
Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same
Spindle-shaped magnetic metal particles containing iron as a main component of the present invention, have an average major axis diameter (L) of 0.05 to 0.15 μm; a coercive force of 111.4 to 143.2...
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6620483 |
Magnetic recording medium
Provided is a magnetic recording medium suited to magnetic recording and reproduction systems employing linear methods and incorporating magnetoresistive reproduction heads. The magnetic recording...
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6610426 |
Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acrylate compound
Provided is a magnetic recording medium achieving high durability, a high degree of smoothness, and a magnetic layer of uniform thickness, and having substantially better electromagnetic...
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6602620 |
Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof
A magnetic recording medium comprising a magnetic recording layer formed on a substrate, in which information is recorded by forming recording cells in recording tracks formed on a surface of the...
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6602576 |
Magnetic recording medium
The present invention aims to provide a magnetic recording medium for digital recording/reproducing systems having a small bit area, i.e. a short recording wavelength and a narrow track width,...
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6602570 |
Zone bonded lubrication for hard disk recording media
A magnetic recording medium with low bonded lubricant at the landing zone, where the head takes off and lands, for better wear resistance, and with high bonded lubricant at the data zone to protect...
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6521361 |
Magnetic recording medium having specified acicular ratio relationship between non-magnetic and ferromagnetic particles
A magnetic recording medium having on a flexible, nonmagnetic support, in order, a lower layer comprising a nonmagnetic powder and a binder, and a magnetic layer comprising a ferromagnetic powder...
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6472063 |
Magnetic recording medium
A magnetic recording medium comprising at least a lower non-magnetic layer containing at least a non-magnetic powders and a binder resin formed on a non-magnetic support and an upper magnetic layer...
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6375108 |
Multi-layered drive leader for a tape drive
A tape drive ( 10 ) adapted for use with a cartridge ( 22 ) that includes a storage tape ( 26 ) having a cartridge buckle component ( 56 ). The tape drive ( 10 ) includes a cartridge receiver ( 18...
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6309802 |
Disk medium
A disk medium includes a substrate and a designed topography of individually magnetizable features formed on the surface of the substrate. At least a portion of the topography is formed from an...
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6143406 |
Magnetic composite tape for inhibiting radiation noise and radiation noise inhibiting component using same
A magnetic composite tape for inhibiting radiation noise and a radiation noise inhibiting component using such a magnetic composite tape which can be easily attached to a cable and has a high...
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6120916 |
Composite magnetic material with reduced permeability and losses
A composite magnetic material showing reduced losses and reduced permeability when it is subjected to a magnetic field at frequencies below approximately 100 MHz. It comprises magnetic particles in...
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6031020 |
Cancellation of micr-readable documents by application of an ink containing magnetic particles
The present invention is directed to the deliberate cancellation of MICR-readable documents by applying a penetrating ink through the MICR line of the document wherein the ink contains magnetic...
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5827599 |
Magnetic recording tape having a backcoat and specified edge profile
In the present invention, the anti-scrapability of the back layer of a magnetic recording medium is improved to reduce the frequency of occurrence of powder fall onto the surface of the magnetic...
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5776573 |
Compact disc revitalizer formulations and revitalizer
A composition for use in refinishing optical discs comprises a mixture of volatile organic solvents having solubility parameters within a defined range, a chemically reactive nonvolatile binder,...
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5756220 |
Object to be checked for authenticity and a method for manufacturing the same
A large number of magnetic polymer elements are distributed at random in a base material of a object to be checked. Each magnetic polymer element includes an element main body formed of a...
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5750248 |
Magnetic recording medium prepared from a specified magnetic paint
A magnetic paint including magnetic powder, a binder and organic solvents is provided. The magnetic paint is prepared by first dispersing the magnetic powder and an amount of the binder in the...
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5747156 |
Thermosensitive magnetic recording medium
A magnetic recording layer is provided on a base, and a thermosensitive recording layer is provided on the magnetic recording layer through a thermoplastic layer. The thermosensitive recording...
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5547915 |
Information recording medium and printing method using the same
An information recording medium is composed of a support; a thermosensitive recording layer provided at least on one side of the support, the thermosensitive recording layer being composed of a...
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5510168 |
Magnetic recording medium and magnetic recording method
A magnetic recording medium comprises a support and provided thereon, a magnetic recording component layer which comprises an uppermost layer containing a ferromagnetic metal powder and a binder, a...
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5445881 |
High recording density magnetic tape and process for the production thereof
A high recording density magnetic tape with a magnetic layer comprising magnetic particles, binder, curing agent and high molecular weight fatty acid, provided on a non-magnetic substrate,...
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5419943 |
Magnetic recording medium having a magnetic layer with a Tg of 80° C . ° C.
A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon a magnetic layer, said magnetic layer comprising ferromagnetic particles and a binder, wherein nonmagnetic...
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5413900 |
Silver halide photographic material and a manufacturing method therefor
A manufacturing process for a light-sensitive material having thereon a magnetic recording layer, the magnetic recording layer having excellent optical transparency, a high magnetic recording...
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5196265 |
Magnetic recording medium
A magnetic recording medium comprising a non-magnetic support having thereon a magnetic layer containing a ferromagnetic powder and a binder, the non-magnetic support comprising polyethylene...
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5186754 |
Coater
An extruder for coating magnetic layers onto electro-magnetic recording tape is disclosed, which is provided with two reservoirs and two outlet channels so as to permit simultaneous coating of two...
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5055349 |
Magnetic recording medium
A method of improving a magnetic recording medium in the physical and electromagnetic properties is disclosed. The method is comprised, in combination, of the steps of: making a support of one...
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4999217 |
Process for producing magnetic recording medium
A process for producing a magnetic recording medium includes coating a nonmagnetic substrate with a magnetic paint and applying a rotating magnetic field for orientation to the raw fabric with...
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4974096 |
Photofinishing process with film-to-video printer using dedicated magnetic tracks on film
A virtually transparent magnetic layer is included as an additional layer in a color negative film. Information exchange between various users of the film--such as the camera user, the dealer, and...
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4923766 |
Process for preparing magnetic recording
A process for preparing a magnetic recording medium by coating a magnetic coating material on a non-magnetic support and then drying the above magnetic coating material, which comprises imparting a...
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4861619 |
Method for producing magnetic recording medium
A magnetic field orientation for producing a magnetic recording medium is made by using plural moving magnet which are driven in a direction parallel to the running direction of a nonmagnetic base...
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4844946 |
Method for preparing a magnetic recording medium
A method of fabricating a magnetic tape in which a non-magnetic support is simultaneously coated with two coating solutions, with the upper layer having a dried thickness no thicker than that of...
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4840818 |
Method of making magnetic recording medium
A method of making a magnetic recording medium by forming a recording layer composed of a ferromagnetic material on a strip-like substrate comprises a first step of applying the ferromagnetic...
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4780366 |
Magnetic recording medium for image recording
A ferromagnetic alloy image recording tape, wherein the stiffness of the entire tape is represented by the formula: ##EQU1## where w: load (g) a: radius (mm) of the tape ring b: width (mm) of...
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4701364 |
Tape for cleaning magnetic head
A tape for cleaning magnetic head comprising a support and a cleaning layer coated on at least one surface of said support, which is characterized in that said cleaning layer contains a...
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4619777 |
Preparation of a magnetic dispersion
A magnetic dispersion which can be applied to a non-magnetic base to produce a recording medium is prepared by dispersing a magnetically anisotropic material in a polymer binder and in an organic...
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4438179 |
Resin particles with magnetic particles bonded to surface
Plastic particles having diameters of from about 1 to about 150 microns, a polymeric bonding layer on the surface thereof, are coated with magnetic particles to provide a generally uniform coating...
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4163823 |
Magnetic recording elements and process of preparation
Magnetic recording elements which combine low modulation noise with excellent high frequency output and their process of preparation are disclosed. Such elements comprise a support having a surface...
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3095324 |
Method for making electrically conducting films and article
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