Matches 1 - 48 out of 48


Match Document Document Title
7914845 Data zone lube removal  
A method of manufacturing for providing closer head-to-media spacing, and the resulting disk, includes evenly lubricating a magnetic media disk, increasing the viscosity of a selected non-data zone...
7695820 Aliphatic polyesters and lubricants containing the polyesters  
Aliphatic polyesters may be substituted at the alpha- and beta-positions. These aliphatic polyesters may have increased thermal, chemical and hydrolytic stability compared to conventional aliphatic...
7682713 Magnetic recording medium with recording layer having a predetermined concavo-convex pattern and magnetic recording and reproducing apparatus  
The magnetic recording medium includes: recording elements formed as the convex portions of the recording layer formed in the predetermined concavo-convex pattern over a substrate; and a filling...
7604878 Magneto-optical recording medium and layer structure  
A layered magneto-optical recording medium including a substrate and a magnetic layer. The magnetic layer includes columnar projections, which are formed on a film surface of the magnetic layer as...
7498091 Recording medium including a first and second print layer with a controlled inclination angle and method of making the same  
First and second print layers extend on the surface of a medium body in a recording medium. The first print layer has a first thickness. The second print layer has a second thickness larger than...
7199087 Method to refine lubricant for a magnetic recording medium  
A method refines a lubricant comprising a compound having a perfluoropolyether structure via supercritical extraction. A lubricant is refined using the method and a magnetic recording medium that...
7175926 Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition  
A recording medium, comprising: (a) a substrate having at least one surface;(b) a stacked plurality of thin film layers on the at least one surface and including at least one magnetic or...
6663971 Branched perfluoro polyethylene glycol (PF-PEG) high performance thin film disk lubricants  
A non-linear perluoro polyalkylene or perfluoro polyarylene glycol of specific molecular conformation such as plate-like, spherical, or helical and having the formula...
6568452 Attachment apparatus for disc protective sheet and attachment method therefore  
An attachment apparatus for disc protective sheet which is adapted for attaching disc protective sheet for protecting disc rotatably accommodated within a cartridge body formed by connecting or...
6381200 Flash layer overcoat for first surface magneto-optical media  
Front surface magneto-optical (FSMO) information storage and retrieval media having improved tribological properties when used in high-density storage devices employing very small head flying...
6366541 Optical recording medium with solid protective layer having self-lubricating property  
A magneto-optical recording medium comprises a protective layer having a self-lubricating property formed at an uppermost layer on a side opposite to a substrate wherein a recording or reproducing...
6355342 Flash layer overcoat for high density multilayer magneto-optical media  
High density, multi-layer, magneto-optical (HDMMO) information storage and retrieval media having improved tribological properties when used in high-density storage devices employing very small...
6349076 Magneto-optical recording medium having a protective carbon layer  
A magneto-optical disc includes protective overcoats that significantly improve the durability of the disc. In particular, the protective overcoat involves a carbon layer over the magnetic, optical...
6348266 Amphiphillic lubricants for magnetic media  
A magnetic recording medium including a lubricant topcoat having increased bonding to the medium surface comprises an amphiphilic lubricant molecule having a hydrophilic central portion including a...
6324131 Low glide magneto-optical recording medium  
Low glide magneto-optical (LGMO) information storage and retrieval media having improved tribological properties when used in ultra-high density storage/retrieval devices employing very small head...
6319583 Lubricated and overcoated magneto-optical media with improved tribological performance  
Magneto-optical information storage media having improved tribological properties when used in high-density storage devices employing very small head flying heights are formed by providing by a...
6268073 Flash layer overcoat for magnetically-induced super resolution magneto-optical media  
Magnetically-induced, super-resolution (MSR), magneto-optical (MO) information storage media having improved tribological properties when used in high-density storage devices employing very small...
6177150 Photomagnetic recording medium and film forming method  
A magneto-optical disc in which, for preventing damage to a recording layer in case the foreign matter is sandwiched between a magnetic field modulation head and the magneto-optical disc, or the...
6171673 Compositions for protective films and optical recording media  
The present invention provides a protective film with high mechanical strength free from dust.A protective film 14 of an optical recording medium 2 is formed by applying and curing a composition...
6160769 Optical recording medium and optical recording device  
A magneto-optical recording medium comprises a protective layer having a self-lubricating property formed at an uppermost layer on a side opposite to a substrate wherein a recording or reproducing...
5912061 UV-ray setting resin and a method for manufacturing a magneto-optical disk by the use of the UV-ray setting resin  
A high quality magneto-optical disk which has the protective coating being excellent in the lubricity, the property of sliding and a long-term reliability includes a UV-ray resin composition...
5846626 Optical recording medium and method of producing same  
An optical recording medium capable of recording and/or reproducing an information by using a laser beam, comprising: a support layer having an information signal-recording portion on one side...
5714222 Optical recording medium and process for producing same  
The optical recording medium has an optically transparent substrate having a center hole, a recording layer formed on the substrate, and a protective layer. The protective layer has an opening...
5700540 Optical recording medium  
An optical recording medium comprising a substrate with grooves, a surface smoothing layer less than 1 μm thickness deposited on the grooved substrate, and a recording layer. The medium reduces ...
5629066 Resin article having anti-static property  
A resin article comprising a shaped body of a synthetic resin having a surface, and a coated resin layer covering the surface of the shaped body, said coated resin layer being made of an amino...
5618617 Magneto-optic disk  
In a magneto-optic disk, a protective coating is applied to the magnetic recording layer made from a composite comprising minute particles of an inorganic compound, a lubricant and a...
5604005 Magneto-optical disc  
A magneto-optical disc comprising a recording layer and a protective coating on a substrate is operated for magneto-optical recording in a magnetic field modulation mode such that the protective...
5604013 Magnetic recording medium and recording/reproducing method  
A magnetic recording medium comprising a non-magnetic transparent support, a magnetic layer, and a conductive intermediate layer formed between the non-magnetic transparent support and the magnetic...
5585159 Recording medium capable of suppressing resonance from recording and reproducing devices  
A recording medium includes a transparent substrate and a recording layer formed thereon for recording information, and a component made of material with a large loss factor, such as butyl rubber,...
5580633 Magneto-optical disc having a protective layer of cured radiation curable resin containing carbon particles  
A magneto-optical recording disc adapted for magneto-optical recording in the magnetic field modulation system by means of a magnetic head in continuous contact with the disc includes a recording...
5578355 Magneto-optical disk having a microporous protective coating containing a lubricant  
A magneto-optical disc includes a substrate, a recording layer, and a protective coating comprised of a resin and a lubricant. The disc is operated for magneto-optical recording in a magnetic field...
5576087 Magneto-optical recording medium  
A magneto-optical recording medium that exhibits an excellent ability to achieve flying stability for the associated magnetic head during recording operations and can effectively prevent adsorption...
5568466 Magneto-optical disc  
A magneto-optical disc includes a recording layer (4) and a protective film (7) of radiation-cured resin on a substrate (2). Information is written in the recording layer with the aid of a magnetic...
5540988 Magneto-optical recording medium and process for producing the same  
A magneto-optical recording medium comprises a substrate and provided thereon a magneto-optical recording layer and a protective resin layer, a magnetic field being applied to the magneto-optical...
5518789 Thioether containing photopolymerizable compositions  
A photopolymerizable composition comprising a crosslinking agent, a UV sensitive photopolymerization initiator and a thioether compound having a vinyl ester or vinyl amide component; wherein the...
5506023 Magneto-optical disc  
A magneto-optical disc having an optical-magnetic recording layer, formed on the surface of a transparent base plate opposite its beam incident surface is disclosed, wherein a layer excellent in...
5453884 Magneto-optical recording medium  
A magneto-optical disk having a magnetic layer and a conductive layer laminated on a transparent substrate, and having a lubricant layer provided on the conductive layer. Recording and reproduction...
5311500 Magneto-optical disk  
A magneto-optical disk comprises a substrate and at least a magneto-optical recording layer provided on the substrate. A moisture barrier layer constituted of a fluorine resin is provided on the...
5279877 Magneto optical disc  
A protective coating made of resin, preferably a radiation curable resin containing fluoroplastic fine particles having a low surface energy is provided in the form of the uppermost layer facing a...
5260254 Information memory and display medium  
An information memory and display medium comprising: (a) a support, (b) a magnetic recording layer formed on the support, (c) a thermosensitive recording layer formed on the magnetic recording...
5233597 Magneto-optical disk having a layer of varying thickness  
A magneto-optical disk according to the present invention has a substrate (12), a recording layer (13) formed on the substrate and an outer layer (14) formed on the recording layer, above which a...
5120603 Magneto-optic recording medium with oriented Langmuir-Blodgett protective layer  
A low-frictiona, corrosion-resistant substrate includes a substrate and a macromolecular Langmuir-Blodgett film in coating relationship with the substrate, the film having a multiplicity of...
5112662 Method for providing a lubricant coating on the surface of a magneto-optical disk and resulting optical disk  
A method for providing a lubricant coating on the surface of a magneto-optical disk is disclosed. The method includes forming a lubricant solution by dissolving a functionalized fluorinated...
5053288 Optical recording medium  
An optical recording medium, particularly a magneto-optical recording medium, resistant to oxidation deterioration even in a hot and humid atmosphere, is provided by forming an organic protecting...
4981743 Overcoat composition for optical record  
This disclosure concerns protective overcoatings for an information storage record which includes an information-layer adapted for optical data recording. The protective overcoatings are...
4906498 Flexible optical recording material in the shape of tape or floppy disk  
A flexible optical recording material in the shape of tape or floppy disk comprising an optically isotropic laminate (A) comprising at least one thermoplastic gas-impermeable synthetic resin film...
4889757 Optical recording disk  
In an optical recording disk wherein a resin layer cured with ultraviolet radiation is provided on a surface of a transparent substrate, the present invention consists in that a material having a...
4737408 Magneto-optical recording medium having plasma-polymerized protective layers  
In a magneto-optical recording medium comprising a perpendicular magnetizable thin film layer formed from an amorphous rare earth metal-transition metal alloy on a substrate with or without an...
Matches 1 - 48 out of 48