Abstract: According to a method of preparing a conductive magnetic composite sheet, the method comprising preparing a magnetic sheet comprising a magnetic powder and a binder resin; stacking the magnetic sheet and a first conductive foil; and applying heat and pressure to the obtained stack to bond the magnetic sheet and the first conductive foil, a conductive magnetic composite sheet having excellent interlayer adhesion between the magnetic sheet and the conductive foil can be prepared while having an excellent magnetic property at NFC, WPC, and MST frequencies.

Abstract: The disclosure relates generally to a method for fabricating a patterned medium. The method includes providing a substrate with an exterior layer under a lithographically patterned surface layer, the lithographically patterned surface layer comprising a first pattern in a first region and a second pattern in a second region, applying a first masking material over the first region, transferring the second pattern into the exterior layer in the second region, forming self-assembled block copolymer structures over the lithographically patterned surface layer, the self-assembled block copolymer structures aligning with the first pattern in the first region, applying a second masking material over the second region, transferring the polymer block pattern into the exterior layer in the first region, and etching the substrate according to the second pattern transferred to the exterior layer in the second region and the polymer block pattern transferred to the exterior layer in the first region.

Abstract: A magnetic tape cartridge including a reel and a pack of magnetic tape wound onto the reel, the magnetic tape includes an aromatic polyamide support and has a thickness of from 3.5 to 5.5 ?m and a length of 1000 m or more, and a difference in tape thickness produced between an outer and an inner winding of the tape pack after 2-week storage of the cartridge in a dry environment at 60° C. is 60 nm or smaller.

Abstract: A thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a laminated biaxially oriented film comprising: at least one layer comprising an aromatic polyester (a); and at least one layer of a polyolefin (b) having a melting point of from 230 to 280° C.; wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 ?m.

Abstract: A polymer thin film in which cylindrical phases are distributed in a continuous phase and are oriented in a pass-through-direction of the film includes at least: a first block copolymer including at least a block chain A1, as a component of the continuous phase, composed of polymerized monomers a1, and a block chain B1, as a component of the cylindrical phases, composed of polymerized monomers b1; and a second block copolymer including at least a block chain A2, as a component of the continuous phase, composed of polymerized monomers a2, and a block chain B2, as a component of the cylindrical phases, composed of polymerized monomers b2, with the second copolymer having a degree of polymerization different from that of the first copolymer. A film thickness of the polymer thin film and an average center distance between adjacent cylindrical phases have a relation represented by a predetermined expression.

Abstract: A support material for recording layers comprising a raw base paper contains a hardwood pulp having a fiber fraction smaller than 200 ?m, after refining, of at most 45 wt. % and an average fiber length of 0.4 to 0.8 mm and a filler fraction of 5 to 40 wt. %, in particular 10 to 25 wt. %, relative to the mass of the pulp.

Abstract: The invention provides a recording medium having 2 or more ink receiving layers on a substrate, wherein an upper layer of the ink receiving layers, which is a layer most distant from the substrate, and a lower layer, which is a layer located just under the upper layer, contain at least one selected from alumina hydrate and alumina, an acid and a hydrophilic binder, the acid contained in the upper layer is a carboxylic acid represented by the general formula [I], and the acid contained in the lower layer is a sulfonic acid represented by the general formula [II].

Abstract: An aspect of the present invention relates to a radiation-curable polyurethane resin composition comprising a polyurethane resin containing a radiation-curable functional group and/or starting material compounds thereof, as well as component C in the form of a phenol compound, and component D in the form of at least one compound selected from the group consisting of a piperidine-1-oxyl compound, a nitro compound, a benzoquinone compound and a phenothiazine compound.

Abstract: An object of the invention is to provide such an oriented polyester film that has a constant thickness, and is excellent in dimensional stability at a high temperature and dimensional stability to temperature change in a working temperature range. The invention relates to an oriented polyester film containing as a major component of a substrate layer polyethylene -2,6-naphthalene dicarboxylate, being stretched at least in one direction, and having a film thickness of from 12 to 250 ?m, wherein (1) a coefficient of linear thermal expansion ?t at a temperature of from 30 to 100° C. is from 0 to 15 ppm/° C. in both longitudinal and width directions of the film, and (2) a thermal shrinkage rate at 100° C. for 10 minutes is 0.5% or less in both longitudinal and width directions of the film.

Abstract: A data storage device comprises a substrate having oppositely disposed surfaces and a plurality of volumes arranged along tracks between the surfaces; a plurality of micro-holograms each contained in a corresponding one of the volumes; and, at least one groove in at least one of the surfaces and being operative to diffract light through the at least one surface and into the volumes; wherein, the presence or absence of a micro-hologram in a stacked layer in each of the volumes is indicative of a corresponding portion of data stored.

Abstract: An organic-pigment aqueous dispersion, containing a pigment at a concentration of 6 to 30 mass %, and having a haze of 0.3 to 10%, as determined by enclosing the dispersion in a transparent glass cell of optical distance 0.2 mm and analyzing with integrating-sphere photoelectric photometry; and a colored coating composition using the same.

Abstract: The invention relates to granular perpendicular magnetic recording media with a capping layer comprised of a material having high surface mobility and low surface energy. The capping layer surface is oxidized to produce a passivating surface that is impervious to corrosion.

Abstract: A biaxially oriented polyester film wherein the microscopic Raman crystallization index Ic measured in the film thickness direction is in a range of 8 cm?1 to 15 cm?1 and the difference between the maximum value and the minimum value of Ic is 1 cm?1 or less. Another biaxially oriented polyester film wherein the relative power (I10TD) of spatial frequency (1/mm) measured along the transverse direction of at least one surface of the polyester film having been heat treated at 100° C. for 24 hours is in a range of ?25 to 0 dB. These biaxially oriented polyester films are films good in microplanarity even after high-temperature storage or heat loading during processing. These biaxially oriented polyester films are useful as polyester films for use in a magnetic recording material, an electronic material, a stencil film, a sublimatic ribbon and a package material.

Abstract: A lens including a lens base material, a hard coat layer that is laminated on the lens base material directly or via a primer layer and includes a metal oxide fine particle, an organic silicon compound and a polyfunctional epoxy compound as principal components, and an antireflection layer that is laminated on the hard coat layer and includes a porous silica fine particle and a second organic silicon compound as principal components.

Abstract: A film and a magnetic-recording medium using the film, where the heat shrinkage ratio in the transverse direction of the film subjected to heat treatment under no tension for 30 min. at 180° C. is from 1.0 to 2.5%, and where the film satisfies the following equations (1)-(4) simultaneously, with ?MD (×10?6/° C.) and ?TD (×10?6/° C.) being coefficient of thermal expansion in the longitudinal and the transverse direction, respectively, and ?MD (×10?6/% RH) and?TD (×10?6/% RH) being coefficient of hygroscopic expansion in the longitudinal and the transverse direction, respectively. In the film, by controlling the dimensional changes by temperature and humidity within specific ranges, it becomes possible to control the dimensional change and the difference in dimensional changes between the longitudinal and the transverse direction of the film used as a magnetic-recording medium to be extremely small. ?10??MD?10 (1), ?MD?10??TD??MD?3 (2), ?10??MD?10 (3), ?MD?10??TD??MD?3 (4).

Abstract: An aspect of the present invention provides a magnetic recording medium comprising following layers in this order on at least one surface of a nonmagnetic support: a nonmagnetic layer including a nonmagnetic powder and a binder; and a magnetic layer including a magnetic powder and a binder, wherein the nonmagnetic support has an enthalpy relaxation (?H) equal to or more than 0.5 J/g and equal to or less than 2.0 J/g. According to the aspect of the present invention, a magnetic recording medium is provided that is superior in electromagnetic conversion (e.g., with a high S/N ratio for surface recording density) and running durability (e.g., with a small number of dropouts and a low error rate).

Abstract: The gas components in thermoplastic norbornene resin pellets are suppressed below certain levels by drying the resin under vacuum or under the ordinary pressure and under vacuum. A substrate for magnetic recording media is manufactured by injection-molding the resin dried by the method according to the invention. The magnetic recording medium, employing the substrate manufactured according to the invention, includes at least a magnetic layer, a protection layer on the magnetic layer and a liquid lubricant layer on the protection layer. The magnetic recording medium is manufactured by forming these layers, one after another, on the substrate according to the invention.

Abstract: A surface processing method for processing the surface of an insulating article in which an ion-implanted surface-modified layer is effectively formed on the article 2. In surface processing the article 2 of an insulating material, an electrically conductive thin metal film 50 is first formed on the article surface. A pulsed voltage containing a positive pulsed voltage and a negative pulsed voltage is applied to the article in a plasma containing ions to be implanted to implant ions in the article surface. This implants ions at right angles to the article surface to generate a surface-modified layer 51. There is no possibility of the article 2 being charged up due to application of a pulsed voltage.

Abstract: The invention relates to an element, comprising a substrate with a surface roughness of less than 5 nm, with saturated bonds on the surface and an MPt3 film applied to at least one side of the substrate, with a magnetic anisotropy perpendicular to the plane of the film, with M=a metal of the 5th to 9th sub-group of the periodic table, nickel or gadolinium. The invention further relates to a method for production of the above and the use of said elements as a magnetic component, for example as a magnetic sensor or as a magneto-optical storage element.

Abstract: A magnetic recording medium which includes a non-magnetic substrate having a front side and a backside, a longitudinal direction and a crossweb direction, with a particulate/binder magnetic layer formed over the front side of the substrate, wherein the magnetic medium has a cross web dimensional difference from the magnetic recording head used therewith of less than 900 microns/meter over a 35 degree temperature range, and over a 70% relative humidity range. In one embodiment, the substrate is a polymeric film which has been subjected to a biaxial tensilization process, thus having a lower coefficient of hygroscopic expansion and coefficient of thermal expansion than an otherwise identical film substrate which has not been biaxially tensilized. The magnetic recording medium formed using such a tensilized substrate has a Wyko Ra smoothness of less than about 10 nm, and a coefficient of thermal expansion from about 5 ppm/C to about 10 ppm/C.