Patent application number | Description | Published |
20100224717 | Roll-Paper Feeding Device And Image Forming Apparatus - In a printer that uses a roll paper being a printing medium, when a 2-inch roll paper is used, as a flange member coaxially fixed to each central portion of both ends of a paper tube of the roll paper in its axial direction, a flange member with a smaller outer diameter than that of the flange member used for a 3-inch roll paper is used. | 09-09-2010 |
20110051200 | Image scanning device and image forming apparatus - An image scanning device includes a base part; and multiple image sensors each including a substrate, a line sensor including scanning elements arranged on the substrate, and a holder for holding the substrate. The base part holds the image sensors such that the scanning elements of an image sensor partly overlap the scanning elements of an adjacent image sensor in the main-scanning direction. The coefficients of linear expansion of the substrate and the base part are substantially the same; the holder and the base part are fixed together at a first fixing point; the holder and the substrate are fixed together at a second fixing point; and the distance in the main-scanning direction between the first fixing point and the second fixing point and the direction of the second fixing point with respect to the first fixing point are the same for all the image sensors. | 03-03-2011 |
20110063696 | Sheet feeding apparatus, image forming apparatus and sheet feeding method - A sheet feeding apparatus is disclosed that includes a plurality of size sensors configured to be arranged in line and to detect a sheet set into a predetermined position; a feeding part configured to feed the sheet set into the predetermined position to a scan position; and a controller configured to control the feeding part to feed the sheet based on two detect signals output from two size sensors among the plurality of the size sensors. | 03-17-2011 |
20110188893 | Optical writing device and image forming apparatus - Disclosed is an optical writing device including a light-emitting element array unit having a light-emitting element array in which plural light-emitting elements are mounted on a substrate member in lines in a main scanning direction, an image focusing lens forming light from the light-emitting array into an image on a writing surface, and a housing holding the light-emitting element array and the image focusing lens; and a base member having plural of the light-emitting array units arranged and held thereon zigzag in the main scanning direction. Each of the plural light-emitting array units fixes its substrate member and housing at one position. Each of the plural light-emitting array units holds the housing on the base member at a position such that moving amount differences between the substrate member, the housing, and the base member due to their thermal expansions are cancelled at adjacent joints of the plural light-emitting array units. | 08-04-2011 |
20140356615 | ADHESIVE TAPE - An adhesive tape including a particular foam base is provided. An average bubble diameter in a machine direction (MD) and an average bubble diameter in a cross-machine direction (CD) of the foam base are each 150 μm or less, the ratio of the average bubble diameter in the machine direction/an average bubble diameter in a vertical direction (VD) and the ratio of the average bubble diameter in the cross-machine direction/the average bubble diameter in the vertical direction are each 6 or less, and the foam base has an interlaminar strength of 20 N/cm or more. With this adhesive tape, good followability to an adherend and excellent impact resistance can be realized. The adhesive tape of the present invention can be suitably used in portable electronic devices, such as smartphones, tablets, notebooks, and game machines, whose screen size has been increasing and for which a requirement for flexible design is high. | 12-04-2014 |
20150050477 | ADHESIVE TAPE - An adhesive tape includes a foam base and an adhesive layer disposed on at least one surface of the foam base, in which the foam base has a thickness of 120 μm or less, a 25% compressive strength of 160 MPa or more, and a density of 0.4 g/cm | 02-19-2015 |
20150086767 | ADHESIVE TAPE - An adhesive tape includes a foam base and an adhesive layer disposed on at least one surface of the foam base. The foam base has a 25% compressive strength of 250 kPa or more. An average bubble diameter in a machine direction and an average bubble diameter in a cross-machine direction of the foam base are each 150 μm or less, and a ratio represented by the average bubble diameter in the machine direction/an average bubble diameter in a vertical direction and a ratio represented by the average bubble diameter in the cross-machine direction/the average bubble diameter in the vertical direction are each 5 or less. With this adhesive tape, in addition to good conformability to an adherend and excellent impact resistance, suitable reworkability can be realized even when the adhesive tape has a small width. | 03-26-2015 |
Patent application number | Description | Published |
20120028076 | MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF - According to one embodiment, a magnetic recording medium includes a substrate, a soft magnetic layer, an underlayer, a magnetic recording layer, and a protective layer, wherein the magnetic recording layer is provided with a pattern including recording portions and non-recording portions, the non-recording portions have a composition that is equal to a composition obtained by demagnetizing the recording portions, the non-recording portions contain at least one metal element selected from the group consisting of vanadium and zirconium and at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen, and the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen is contained in the non-recording portions at a higher content than the content of the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen in the recording portions. | 02-02-2012 |
20120067844 | METHOD OF MANUFACTURING RECORDING MEDIUM - According to one embodiment, in a method manufacturing a magnetic recording medium which is configured such that a ferromagnetic recording part is formed on a substrate in a desired track pattern or a desired bit pattern, a ferromagnetic film is formed on a substrate, and then a B thin film is formed on a region for isolating the ferromagnetic film between tracks or bits. Subsequently, ions are radiated on the B thin film, thereby increasing a B content of the region of the ferromagnetic film, on which the B thin film has been formed, and nonmagnetizing the region. | 03-22-2012 |
20120069468 | MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING APPARATUS - According to one embodiment, in a method of manufacturing a magnetic recording medium which is configured such that a ferromagnetic recording part is formed on a substrate in a desired track pattern or a desired bit pattern, a ferromagnetic film is formed on the substrate, and then a mask is formed on the ferromagnetic film, the mask having an opening above a region for isolating the ferromagnetic film between tracks or bits. Subsequently, a B-based gas is radiated on the region of the ferromagnetic film through the opening of the mask, thereby increasing a B content of the region to nonmagnetize the region. | 03-22-2012 |
20120087039 | MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS - According to one embodiment, a magnetic recording medium includes a substrate, and a magnetic recording layer formed on the substrate. The magnetic recording layer includes recording portions having patterns regularly arranged in an longitudinal direction and containing cobalt and platinum, and non recording portions formed between the recording portions and containing boron and at least one light rare earth metal selected from the group consisting of yttrium, lanthanum, and cerium. | 04-12-2012 |
20120237795 | MAGNETIC RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME - According to one embodiment, a magnetic recording medium includes a substrate, a magnetic recording layer formed on the substrate and containing a magnetic material, and a protective layer. The magnetic recording layer includes a recording portion having patterns regularly arranged in the longitudinal direction, and a non-recording portion having saturation magnetization lower than that in the recording portion. The non-recording portion contains the magnetic material, a deactivating species which makes the value of saturation magnetization smaller than that of saturation magnetization in the recording portion, and the component of the protective layer. | 09-20-2012 |
20120237798 | MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS - According to one embodiment, a magnetic recording medium is formed by performing gas ion irradiation by using a magnetism deactivating gas on a stack including a perpendicular magnetic recording layer, an Ru nonmagnetic underlayer containing a magnetism deactivating element selected from chromium, titanium, and silicon, and a nonmagnetic substrate. Before gas ion irradiation, the perpendicular magnetic recording layer contains platinum and at least one of iron and cobalt. Gas ion irradiation is performed using nitrogen gas alone or a gas mixture of nitrogen gas and at least one gas selected from the group consisting of helium, hydrogen, and B | 09-20-2012 |
20130065083 | METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM - According to at least one embodiment, a metal peelable layer and a mask layer are formed on a magnetic recording layer, then, a projections pattern is formed on the mask layer, the projections pattern is transferred to the metal peelable layer and the magnetic recording layer in this order, and then the metal peelable layer is dissolved and removed by a solvent. The metal peelable layer is constituted of any of aluminum and an aluminum compound. An alkali solution is used as the solvent. | 03-14-2013 |
20130180948 | MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a release layer is formed on a magnetic recording layer, a mask layer is formed on the release layer, projecting patterns are formed on the mask layer, the projecting patterns are transferred onto the mask layer, the projecting patterns are transferred onto the release layer, the projecting patterns are transferred onto the magnetic recording layer, the release layer is removed by a solvent, and a remaining mask layer is removed from the surface of the magnetic recording layer. The release layer is made of a polymeric material. The mask layer is made of at least one of a metal or a metal compound. The projecting patterns are formed by using a self-organized layer made of a block copolymer having at least two of polymer chains. | 07-18-2013 |
20130182351 | PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS - A perpendicular magnetic recording medium according to an embodiment includes a substrate and perpendicular magnetic recording layer. The perpendicular magnetic recording layer includes a recording portion and non-recording portion. The recording portion has patterns regularly arranged in the longitudinal direction, and includes magnetic layers containing Fe or Co and Pt as main components, and at least one additive component selected from Ti, Si, Al, and W. The non-recording portion includes oxide layers formed by oxidizing the side surfaces of the magnetic layers, and nonmagnetic layers formed between the oxide layers. | 07-18-2013 |
20130216864 | MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME - According to at least one embodiment, a release layer, a first mask layer containing a first metal material, an antidiffusion layer containing an oxide or nitride of the first metal material, and a second mask layer containing a second metal material are formed on a magnetic recording layer, a resist layer is formed on the second mask layer, and projections pattern is formed in the resist layer and sequentially transferred to the second mask layer, antidiffusion layer, first mask layer, release layer, and magnetic recording layer. After that, the release layer is removed. | 08-22-2013 |
20130250453 | PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING/REPRODUCTION APPARATUS - According to one embodiment, a perpendicular magnetic recording medium including a soft magnetic under layer, a nonmagnetic seed layer consisting of AgGe, a nonmagnetic interlayer made of Ru or an Ru alloy, and a perpendicular magnetic recording layer, laminated on the nonmagnetic substrate is provided. The nonmagnetic seed layer is an layer containing Ag grains having an fcc structure and an amorphous Ge grain boundary, and the Ag grain surface is higher than the Ge grain boundary surface. | 09-26-2013 |
20130295299 | MAGNETIC RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF - According to one embodiment, a magnetic recording medium includes a substrate, a soft magnetic layer, an underlayer, a magnetic recording layer, and a protective layer, wherein the magnetic recording layer is provided with a pattern including recording portions and non-recording portions, the non-recording portions have a composition that is equal to a composition obtained by demagnetizing the recording portions, the non-recording portions contain at least one metal element selected from the group consisting of vanadium and zirconium and at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen, and the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen is contained in the non-recording portions at a higher content than the content of the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen in the recording portions. | 11-07-2013 |
20140120249 | MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD AND MICROPATTERN MANUFACTURING METHOD - According to one embodiment, in a magnetic recording medium manufacturing method, an inversion liftoff layer and pattern formation layer are formed on a layer on which an inverted pattern is to be formed, a depressions pattern is formed by patterning the pattern formation layer and transferred to the inversion liftoff layer, the surface of the layer on which an inverted pattern is to be formed is exposed by removing the inversion liftoff layer from depressions, an inversion layer is formed on the inversion liftoff layer and exposed layer, and the inversion liftoff layer is removed, thereby forming, on the exposed layer, an inversion layer having a projections pattern obtained by inverting the depressions pattern. | 05-01-2014 |
20140247519 | MAGNETIC RECORDING MEDIUM AND METHOD FOR PRODUCING THE SAME - According to one embodiment, there is provided a magnetic recording medium which includes a base, a magnetic recording layer having convex-shaped magnetic layers, which is formed on the base, and a protective film formed on the magnetic recording layer. There are gaps in a region surrounded by the protective film, the surface of the base, and each side wall of each magnetic layer. | 09-04-2014 |
20140248513 | MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING STAMPER - According to one embodiment, there is provided a method for producing a magnetic recording medium which includes forming a mask layer on a magnetic recording layer, applying metal fine particles on the mask layer, covering the metal fine particles with an overcoat layer, irradiating with energy beams through the overcoat layer so as to deactivate a protective coating of the metal fine particles, transferring a metal fine particle pattern from the mask layer to the magnetic recording layer, and removing the mask layer from the magnetic recording layer. | 09-04-2014 |
20140287265 | MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a magnetic recording medium including a substrate and a magnetic recording layer formed on the substrate and including a plurality of projections is obtained. The array of the plurality of projections includes a plurality of domains in which the projections are regularly arranged, and a boundary region between the domains, in which the projections are irregularly arranged. The boundary region is formed along a perpendicular bisector of a line connecting the barycenters of adjacent projections. | 09-25-2014 |
20150154996 | PERPENDICULAR MAGNETIC RECORDING MEDIUM - According to one embodiment, a perpendicular magnetic recording medium is provided, which includes a non-magnetic granular underlayer formed on a substrate and containing metal grains of a first metal and a grain boundary layer surrounding the metal grains, each metal grain including a projection projecting from the boundary layer and a bottom portion embedded in the grain boundary layer, and a contact angle of the edge of the projection to the surface of the grain boundary layer being 45° to 85°, a non-magnetic intermediate layer formed on a surface of each projection and a magnetic recording layer having a projection pattern formed on the basis of a pattern of the projections in the non-magnetic intermediate layer via the non-magnetic intermediate layer. | 06-04-2015 |
20150162041 | PERPENDICULAR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING APPARATUS - According to one embodiment, provided is a perpendicular magnetic recording medium including an orientation control layer formed on a non-magnetic substrate, the orientation control layer consisting of a Ni alloy having fcc structure, non-magnetic buffer layer containing silver having fcc structure, non-magnetic seed layer consisting of Ag particles having fcc structure and amorphous Ge grain boundaries between the Ag particles, non-magnetic intermediate layer consisting of Ru or Ru alloy, and perpendicular magnetic recording layer, wherein the orientation control layer contacts the non-magnetic buffer layer, and the non-magnetic buffer layer contacts the non-magnetic seed layer. | 06-11-2015 |
20150179205 | PATTERN FORMATION METHOD, STAMPER MANUFACTURING METHOD, AND MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD - According to one embodiment, a pattern formation method includes steps of forming a layer to be processed on a substrate, forming a metal microparticle layer by coating the layer to be processed with a metal microparticle coating solution containing metal microparticles and a solvent, reducing a protective group amount around the metal microparticles by first etching, forming a protective layer by exposing the substrate to a gas containing C and F and adsorbing the gas around the metal microparticles to obtain a projection pattern, and transferring the projection pattern to the layer to be processed by second etching. | 06-25-2015 |
20150206547 | PERPENDICULAR MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS - A perpendicular magnetic recording medium according to an embodiment includes a soft underlayer, an orientation control layer mainly containing Ni having a face-centered cubic structure, a grain size control layer including a plurality of metal oxide posts having a pitch dispersion of 15% or less and crystal grains having grown in a region defined by the plurality of metal oxide posts, and having a hexagonal close-packed structure or face-centered cubic structure, and a perpendicular magnetic recording layer, formed in this order on a substrate. | 07-23-2015 |