Patent application number | Description | Published |
20080229949 | Liquid transfer apparatus - A liquid transfer apparatus includes a supply cylinder and viscosity reducing agent supply unit. The supply cylinder comes into contact with a transfer target body and supplies a transfer liquid to the transfer target body. The viscosity reducing agent supply unit supplies a viscosity reducing agent which reduces a viscosity of the transfer liquid to the supply cylinder after the apparatus emergently stops and before the supply cylinder starts transfer. | 09-25-2008 |
20080229952 | Cleaning apparatus - A cleaning apparatus includes a first liquid supply unit, second cylinder, cleaning unit, third cylinder, second liquid supply unit, first cleaning liquid supply unit, and controller. The first liquid supply unit supplies a transfer liquid to a first cylinder. The second cylinder performs transfer to one surface of a transfer target body with the transfer liquid transferred from the first cylinder. The cleaning unit cleans the circumferential surface of the second cylinder in contact with it. The third cylinder is arranged to oppose the second cylinder and performs transfer to the other surface of the transfer target body. The second liquid supply unit supplies the transfer liquid to the third cylinder. The first cleaning liquid supply unit supplies a cleaning liquid to at least one of the first cylinder and the third cylinder. The controller controls the control unit to clean the second cylinder while the second cylinder is in contact with the first cylinder and the third cylinder. | 09-25-2008 |
20080229953 | Cleaning apparatus - A cleaning apparatus includes a cleaning web, contact member, and web travel unit. The cleaning web is supported to be able to come into contact with and separate from a rotating body so as to clean the rotating body. The contact member comes into contact with the cleaning web. The web travel unit causes the cleaning web to travel and causes the cleaning web to travel for a predetermined length after cleaning the rotating body. | 09-25-2008 |
20080229954 | Cleaning apparatus - A cleaning apparatus includes a liquid supply device and cleaning unit. The liquid supply device supplies a transfer liquid to a first cylinder. The transfer liquid supplied from the liquid supply device to the first cylinder is transferred to a transfer target body which comes into contact with the first cylinder. The cleaning unit comes into contact with and cleans the first cylinder. The cleaning unit is arranged downstream of a contact position where the first cylinder is in contact with the transfer target body in a rotational direction of the first cylinder, and upstream of a liquid receiving position where the first cylinder receives a liquid supplied from the liquid supply device in a rotational direction of the first cylinder. | 09-25-2008 |
Patent application number | Description | Published |
20120040197 | LABEL FOR IN-MOLD MOLDING - A label for in-mold molding, which comprises a laminate configuration of a substrate layer and a heat-sealable layer, wherein the substrate layer is a stretched film formed of a resin composition comprising an α-olefin-based copolymer having a melting point of from 105 to 170° C. and a crystalline propylene-based resin, and the label has an internal haze of from 1 to 30% for a stack of ten labels, does not detract from the shape of a container and does not detract from the outward appearance of the label when the label is stuck to the container. | 02-16-2012 |
20130164471 | READILY REMOVABLE FILM, LABEL FOR IN-MOLD MOLDING, MOLDED RESIN ARTICLE HAVING LABEL ATTACHED THERETO, WALLPAPER, GLUE LABEL, AND CONTAINER HAVING LABEL ATTACHED THERETO - A readily removable film containing a substrate layer (A) and a readily removable layer (B), wherein the substrate layer (A) contains a thermoplastic resin, the readily removable layer (B) contains from 30 to 60% by weight of a mixture of a crystalline polypropylene resin having a degree of crystallinity of at least 65% and a thermoplastic resin immiscible with the crystalline polypropylene resin, and from 40 to 70% by weight of a fine powder, in which the thermoplastic resin immiscible with the crystalline polypropylene resin is blended in a ratio of from 105 to 300 parts by weight relative to 100 parts by weight of the crystalline polypropylene resin, and the readily removable layer (B) is stretched at least monoaxially. | 06-27-2013 |
20150247017 | FILM AND LABELED PLASTIC CONTAINER - A thermoplastic resin film that has an excellent heat insulating property, and a labeled plastic container produced by attaching the thermoplastic resin film by in-mold molding are provided. The film comprises at least one porous layer that satisfies the following conditions (A) and (B). (A) The porous layer includes 25 to 65 pts. mass of thermoplastic resin and 35 to 75 pts. mass of inorganic fine powders. (B) A pore length L of the porous layer as expressed by L=d×(ρ | 09-03-2015 |
20150375477 | READILY REMOVABLE FILM, LABEL FOR IN-MOLD MOLDING, MOLDED RESIN ARTICLE HAVING LABEL ATTACHED THERETO, WALLPAPER, GLUE LABEL, AND CONTAINER HAVING LABEL ATTACHED THERETO - A readily removable film containing a substrate layer (A) and a readily removable layer (B), wherein the substrate layer (A) contains a thermoplastic resin, the readily removable layer (B) contains from 30 to 60% by weight of a mixture of a crystalline polypropylene resin having a degree of crystallinity of at least 65% and a thermoplastic resin immiscible with the crystalline polypropylene resin, and from 40 to 70% by weight of a fine powder, in which the thermoplastic resin immiscible with the crystalline polypropylene resin is blended in a ratio of from 105 to 300 parts by weight relative to 100 parts by weight of the crystalline polypropylene resin, and the readily removable layer (B) is stretched at least monoaxially. | 12-31-2015 |
Patent application number | Description | Published |
20110273117 | Reciprocating Electric Tool - The invention provides a reciprocating electric tool ( | 11-10-2011 |
20120199372 | IMPACT TOOL - According to an aspect of the present invention, there is provided an impact tool including: a motor; a hammer connected to an output portion of the motor; and an anvil to be struck by the hammer in a rotation direction and having a rotary shaft, the hammer striking the anvil in the rotation direction by driving the motor in pulses, wherein the anvil is provided in front of the hammer, wherein the hammer is driven in pulses by the motor, and wherein a rotation angle of the hammer is substantially proportional to a rotation angle of the motor. | 08-09-2012 |
20120279736 | IMPACT TOOL - According to an aspect of the present invention, there is provided an impact tool including: a motor drivable in an intermittent driving mode; a hammer connected to the motor; an anvil to be struck by the hammer to thereby rotate/strike a tip tool; and a control unit that controls a rotation of the motor by switching a driving pulse supplied to the motor in accordance with a load applied onto the tip tool. | 11-08-2012 |
20120292070 | ELECTRIC TOOL AND COMMUNICATION PLUG FOR ELECTRIC TOOL - An electric tool including: a motor configured to drive a front end tool; a control device configure to control rotation of the motor; a storage part configured to store a method of driving the motor by the control device; and a communication terminal to which a communication line for reading or writing information of the storage part is configured to be connected. | 11-22-2012 |
20130075121 | IMPACT TOOL - An impact tool including: a motor; a housing that accommodates the motor; a hammer rotated by the motor in a rotating direction; an anvil struck by the hammer in the rotating direction; an end tool holding portion connected to the anvil and protruding from a front part of the housing; and a load receiving portion that receives a load of the hammer in a rear direction. | 03-28-2013 |
20130333910 | IMPACT TOOL - According to one embodiment, an impact tool includes: a motor; and a hammer that is connected to the motor and that has a striking-side surface; and an anvil that is journalled to be rotatable with respect to the hammer, that has a struck-side surface and that provides a striking power to a tip tool, wherein the motor is drivable in: a first driving mode in which the motor is continuously driven in a normal rotation; a second driving mode in which the motor is intermittently driven only in the normal rotation; and a third driving mode in which the motor is intermittently driven in the normal rotation and in a reverse rotation. | 12-19-2013 |
20140049204 | ELECTRIC WORKING MACHINE - An electric working machine including: an input part; a control unit configured to control a motor in accordance with an operation amount of the input part; and a switching part; wherein, when a predetermined operation is performed to the switching part, the control unit shifts to a fixed control mode in which the motor is controlled in accordance with an operation amount of the input part at the time when the predetermined operation is performed to the switching part, irrespective of an operation amount of the input part after the predetermined operation is performed to the switching part. | 02-20-2014 |
20140050600 | PORTABLE BLOWER - A brushless motor is incorporated in one of divided constituent members of a motor casing which is disassembled, and then, the divided constituent members of the motor casing which is disassembled are connected to each other into the motor casing assembled with machine screws screwed into machine screw holes. As this occurs, when a wiring of the brushless motor is held by a first stationary blade portion and a second stationary blade portion, the wiring is allowed to lead to an outside of an outer cylindrical portion through a gap defined between the first stationary blade portion and the second stationary blade portion. | 02-20-2014 |
20150211535 | PORTABLE BLOWER - A battery mounting portion projects convexly into an air passage. Outer surfaces of a bottom surface section and side surface sections of the battery mounting portion form part of an inner surface of the air passage. The battery mounting portion holds a battery pack at an attitude that a center of gravity of the battery pack is as close to a handle portion as possible. Specifically, the battery mounting portion holds the battery pack in such a manner that the greatest surface of the battery pack having a substantially cubic shape faces the handle portion. The battery mounting portion holds the battery pack in such a manner that a longitudinal direction of the battery pack faces the air passage. | 07-30-2015 |
Patent application number | Description | Published |
20080230526 | Welding method and welded joint structure - The invention provides a welding system capable of freely controlling the dispersion and concentration of arc heat over the groove face with an extremely narrow gap and a high strength and high quality welded joint structure which is formed by this welding system and which is capable of preventing softening/hardening of the structure, the lowering of the toughness thereof and the generation of a crack. According to the welding system, the melting rate of a welding wire is controlled relative to the welding wire feeding rate by changing the characteristic of an arc current so that the range of behavior and the transfer rate of the arc pole (the arc generating main point at a groove surface) are controlled. Further, the welded joint structure consists of a high strength steel having a superfine grain structure with a carbon equivalent of as low as less than 0.38 and a crystal grain size of less than 7 μm and is welded by a consumable electrode type arc welding method so as to control the arc heat distribution on the groove face of the joint. | 09-25-2008 |
20090039065 | Welding wire and welding method - A plurality of metal materials to be a composition, without containing a flux, of a required welded portion are laminated in order to improve characteristics such as toughness of the welded portion and to carry out a stable welding operation. A welding wire enclosing an alkaline metal compound is used between the layers. The welding is carried out in a high-purity inert gas atmosphere. | 02-12-2009 |
20110042365 | WELDING METHOD AND WELDING JOINT STRUCTURE - The invention provides a welding system capable of freely controlling the dispersion and concentration of arc heat over the groove face with an extreamly narrow gap and a high strength and high quality welded joint structure which is formed by this welding system and which is capable of preventing softening/hardening of the structure, the lowering of the toughness thereof and the generation of a crack. According to the welding system, the melting rate of a welding wire is controlled relative to the welding wire feeding rate by changing the characteristic of an arc current so that the range of behavior and the transfer rate of the arc pole (the arc generating main point at a groove surface) are controlled. Further, the welded joint structure consists of a high strength steel having a superfine grain structure with a carbon equivalent of as low as less than 0.38 and a crystal grain size of less than 7 μm and is welded by a consumable electrode type arc welding method so as to control the arc heat distribution on the groove face of the joint. | 02-24-2011 |
20130034384 | WELDING METHOD AND WELDED JOINT STRUCTURE - The invention is a welding method capable of controlling an arc heat distribution on a groove face of a base metal, which comprises increasing or decreasing the melting rate of a welding wire relative to the feeding rate of the welding wire by changing the characteristic of an arc current to thereby change an arc generating position of a fusing end of the welding wire, wherein an AC arc welding operation is performed by changing the polarity of the welding wire as the characteristic of the arc current; and a welded joint structure formed by the welding method. | 02-07-2013 |
20130334189 | WELDING WIRE AND WELDING METHOD - A welding wire is formed from a hoop having an inner surface and formed from a metal material, a core wire having a surface and formed from a metal material, and an alkaline metal compound. The hoop metal material and the core wire metal material are different from each other. A composition of the welding wire is divided into the hoop metal material and the core wire metal material. The alkaline metal compound is disposed between the inner face of the hoop and the surface of the core wire. An amount of the alkaline metal compound is from more than 10 ppm to 1000 ppm based on a weight of the welding wire. | 12-19-2013 |
20140079471 | WELDING METHOD AND WELDED JOINT STRUCTURE - The invention is a welding method capable of controlling an arc heat distribution on a groove face of a base metal, which comprises increasing or decreasing the melting rate of a welding wire relative to the feeding rate of the welding wire by changing the characteristic of an arc current to thereby change an arc generating position of a fusing end of the welding wire, wherein an AC arc welding operation is performed by changing the polarity of the welding wire as the characteristic of the arc current; and a welded joint structure formed by the welding method. | 03-20-2014 |
Patent application number | Description | Published |
20080229949 | Liquid transfer apparatus - A liquid transfer apparatus includes a supply cylinder and viscosity reducing agent supply unit. The supply cylinder comes into contact with a transfer target body and supplies a transfer liquid to the transfer target body. The viscosity reducing agent supply unit supplies a viscosity reducing agent which reduces a viscosity of the transfer liquid to the supply cylinder after the apparatus emergently stops and before the supply cylinder starts transfer. | 09-25-2008 |
20080229952 | Cleaning apparatus - A cleaning apparatus includes a first liquid supply unit, second cylinder, cleaning unit, third cylinder, second liquid supply unit, first cleaning liquid supply unit, and controller. The first liquid supply unit supplies a transfer liquid to a first cylinder. The second cylinder performs transfer to one surface of a transfer target body with the transfer liquid transferred from the first cylinder. The cleaning unit cleans the circumferential surface of the second cylinder in contact with it. The third cylinder is arranged to oppose the second cylinder and performs transfer to the other surface of the transfer target body. The second liquid supply unit supplies the transfer liquid to the third cylinder. The first cleaning liquid supply unit supplies a cleaning liquid to at least one of the first cylinder and the third cylinder. The controller controls the control unit to clean the second cylinder while the second cylinder is in contact with the first cylinder and the third cylinder. | 09-25-2008 |
20080229953 | Cleaning apparatus - A cleaning apparatus includes a cleaning web, contact member, and web travel unit. The cleaning web is supported to be able to come into contact with and separate from a rotating body so as to clean the rotating body. The contact member comes into contact with the cleaning web. The web travel unit causes the cleaning web to travel and causes the cleaning web to travel for a predetermined length after cleaning the rotating body. | 09-25-2008 |
20080229954 | Cleaning apparatus - A cleaning apparatus includes a liquid supply device and cleaning unit. The liquid supply device supplies a transfer liquid to a first cylinder. The transfer liquid supplied from the liquid supply device to the first cylinder is transferred to a transfer target body which comes into contact with the first cylinder. The cleaning unit comes into contact with and cleans the first cylinder. The cleaning unit is arranged downstream of a contact position where the first cylinder is in contact with the transfer target body in a rotational direction of the first cylinder, and upstream of a liquid receiving position where the first cylinder receives a liquid supplied from the liquid supply device in a rotational direction of the first cylinder. | 09-25-2008 |
20080236420 | Liquid transfer method and liquid transfer apparatus - A liquid transfer method includes the steps of conveying a sheet by holding the sheet by a transport cylinder, and transferring a liquid to one surface of the sheet by a transfer cylinder opposing the transport cylinder and transferring the liquid to the other surface of the sheet by the transport cylinder. The step of transferring includes the step of positioning an edge of a region on one surface of the sheet, downstream in a sheet convey direction, where the liquid is to be transferred, upstream in the sheet convey direction of an edge of a region on the other surface of the sheet, downstream in the sheet convey direction, where the liquid is to be transferred. A liquid transfer apparatus is also disclosed. | 10-02-2008 |
Patent application number | Description | Published |
20110132757 | Sputtering Target with Few Surface Defects, and Surface Processing Method Thereof - A sputtering target and surface processing method is provided. Intermetallic compounds, oxides, carbides, carbonitrides and other substances without ductility exist in the target surface in a highly ductile matrix phase at a volume ratio of 1 to 50%. The target surface is preliminarily subjected to primary processing of cutting work, and then subsequently subjected to finish processing via polishing. The sputtering target subject to this surface processing has an improved target surface with numerous substances without ductility and prevents or suppresses the generation of nodules and particles upon sputtering. | 06-09-2011 |
20110162971 | Sputtering Target and Process for Producing Same - A sputtering target with low generation of particles in which oxides, carbides, nitrides, borides, intermetallic compounds, carbonitrides, and other substances without ductility exist in a matrix phase made of a highly ductile substance at a volume ratio of 1 to 50%, wherein a highly ductile and conductive metal coating layer is formed on an outermost surface of the target. Provided are a sputtering target capable of improving the target surface in which numerous substances without ductility exist and preventing or inhibiting the generation of nodules and particles during sputtering, and a method of producing such a sputtering | 07-07-2011 |
20110284373 | Inorganic-Particle-Dispersed Sputtering Target - Provided is an inorganic-particle-dispersed sputtering target in which inorganic particles are dispersed in a Co base material, wherein the inorganic particles have an electric resistivity of 1×10 | 11-24-2011 |
20120097535 | Sputtering Target of Ferromagnetic Material with Low Generation of Particles - A ferromagnetic sputtering target comprising metal having a composition containing 20 mol % or less of Cr, and Co as the remainder; wherein the target structure includes a basis metal (A), and flat phases (B), containing 90 wt % or more of Co, within the basis metal (A), the average grain size of the phases (B) is 10 μm or more and 150 μm or less, and the average aspect ratio of the phases (B) is 1:2 to 1:10. Provided is a ferromagnetic sputtering target capable of inhibiting the generation of particles during sputtering, and improving the pass-through flux to achieve a stable electrical discharge with a magnetron sputtering device. | 04-26-2012 |
20120241317 | Sputtering Target Comprising Oxide Phase Dispersed in Co or Co Alloy Phase, Magnetic Thin Film Made of Co or Co Alloy Phase and Oxide Phase, and Magnetic Recording Medium Using the Said Thin Film - A sputtering target comprising an oxide phase is dispersed in Co or a Co alloy phase, wherein the sputtering target is configured from a metal matrix phase containing Co, and a phase containing SiO | 09-27-2012 |
20120318669 | SPUTTERING TARGET-BACKING PLATE ASSEMBLY - Provided is a sputtering target-backing plate assembly where a raw material powder prepared so as to have the composition of a magnetic material sputtering target is filled in a die together with a backing plate and hot-pressed, thereby being bonded to the backing plate simultaneously with sintering of the magnetic material target powder. | 12-20-2012 |
20130112555 | Sputtering Target of Ferromagnetic Material with Low Generation of Particles - Provided is a sputtering target of ferromagnetic material comprising a metal having a composition containing 20 mol % or less of Cr, and Co as the remainder; wherein the target structure includes a phase (A) which is a basis metal, and metal phases (B) having a component composition different from the peripheral texture within the phase (A), the area ratio occupied by oxides within 1 μm from the most outer periphery of metal phases (B) is 80% or less, and the average grain size of the metal phases (B) is 10 μm or more and 150 μm or less. Provided is a sputtering target of ferromagnetic material capable of inhibiting the generation of particles during sputtering, and improving the pass-through flux to achieve a stable electrical discharge with a magnetron sputtering device. | 05-09-2013 |
20130168240 | Fe-Pt-Based Ferromagnetic Material Sputtering Target - An Fe—Pt-based ferromagnetic material sputtering target comprising a metal and a metal oxide, wherein the metal has a composition in which Pt is contained in an amount of 5 mol % or more and 60 mol % or less and the remainder is Fe. An object of the present invention is to provide a ferromagnetic material sputtering target, which enables to form a magnetic recording layer composed of a magnetic phase such as an Fe—Pt alloy, and a non-magnetic phase to isolate the magnetic phase, and in which a metal oxide is used as one of the materials for the non-magnetic phase. Provided is a ferromagnetic material sputtering target wherein an inadvertent release of the metal oxide during sputtering and particle generation due to abnormal electrical discharge starting at a void inherently included in the target are suppressed, the adherence between the metal oxide and the matrix alloy is enhanced, and its density is increased. | 07-04-2013 |
20130206591 | Sputtering Target for Magnetic Recording Film and Method for Producing Same - Provided is a sputtering target for a magnetic recording film containing SiO | 08-15-2013 |
20130213802 | Sintered Compact Sputtering Target - A sintered compact sputtering target is provided and contains Co and Cr as metal components and includes oxides dispersed in the structure formed of the metal components. The structure of the sputtering target has a region (A) containing Co oxides dispersed in Co and a region (D) containing Cr oxides in a periphery of the region (A). In addition a method of producing the above referenced sintered compact sputtering target is provided and includes the steps of mixing a powder prepared by pulverizing a sintered compact containing Co oxide dispersed in Co, a Co powder, and a Cr power and pressure-sintering the resulting powder mixture to provide a sputtering target. | 08-22-2013 |
20130306470 | Sputtering Target for Magnetic Recording Film - A sputtering target for a magnetic recording film which contains carbon, the sputtering target is characterized in that the ratio (I | 11-21-2013 |
20130341184 | Co-Cr-Pt-B-Based Alloy Sputtering Target and Method for Producing Same - Provided is a Co—Cr—Pt—B-based alloy sputtering target having no more than 10 cracks of 0.1 to 20 μm in a B-rich phase in a 100 μm×100 μm area (field of view). Additionally provided is a method for producing this Co—Cr—Pt—B-based alloy sputtering target including the steps of hot forging or hot rolling a Co—Cr—Pt—B-based alloy cast ingot, thereafter performing cold rolling or cold forging thereto at an elongation rate of 4% or less, and machining the ingot to prepare a target having no more than 10 cracks of 0.1 to 20 μm in a B-rich phase in a 100 μm×100 μm area (field of view), or, hot forging or hot rolling the ingot, thereafter quenching the ingot to −196° C. to 100° C., and machining the ingot to prepare a target. The target of the present invention has high magnetic flux density and few microcracks in a B-rich layer, and thus stabilizes discharge and minimizes arcing. | 12-26-2013 |
20140001038 | Ferromagnetic Sputtering Target with Less Particle Generation | 01-02-2014 |
20140231250 | C PARTICLE DISPERSED FE-PT-BASED SPUTTERING TARGET - Provided is a sputtering target for a magnetic recording film, the sputtering target comprising 5 mol % or more and 60 mol % or less of Pt, 0.1 mol % or more and 40 mol % or less of C, 0.05 mol % or more and 20 mol % or less of titanium oxide, and the remainder being Fe. It is an object of the present invention to provide a high-density sputtering target that can produce a granular magnetic thin film without using any high-cost co-sputtering apparatuses and can also reduce the amount of particles generated during sputtering. | 08-21-2014 |
20140284212 | Sintered Compact Magnesium Oxide Target for Sputtering, and Method for Producing Same - A sintered compact magnesium oxide target for sputtering having a purity of 99.99 wt % or higher excluding C, a density of 3.57 g/cm | 09-25-2014 |
20140311902 | Magnetic Material Sputtering Target and Manufacturing Method Thereof - Provided is an oxide-containing magnetic material sputtering target wherein the oxides have an average grain diameter of 400 nm or less. Also provided is a method of producing an oxide-containing magnetic material sputtering target. The method involves depositing a magnetic material on a substrate by the PVD or CVD method, then removing the substrate from the deposited magnetic material, pulverizing the material to obtain a raw material for the target, and further sintering the raw material. An object of the present invention is to provide a magnetic material target, in particular a nonmagnetic grain-dispersed ferromagnetic sputtering target capable of suppressing discharge abnormalities of oxides that are the cause of particle generation during sputtering. | 10-23-2014 |
20140367254 | Co-Cr-Pt-Based Sputtering Target and Method for Producing Same - A sputtering target containing, as metal components, 0.5 to 45 mol % of Cr and remainder being Co, and containing, as non-metal components, two or more types of oxides including Ti oxide, wherein a structure of the sputtering target is configured from regions where oxides including at least Ti oxide are dispersed in Co (non-Cr-based regions), and a region where oxides other than Ti oxide are dispersed in Cr or Co—Cr (Cr-based region), and the non-Cr-based regions are scattered in the Cr-based region. An object of this invention is to provide a sputtering target for forming a granular film which suppresses the formation of coarse complex oxide grains and generates fewer particles during sputtering. | 12-18-2014 |
20150021175 | Magnetic Material Sputtering Target and Manufacturing Method for Same - A magnetic material sputtering target characterized in that, in a plane for observing the oxide in the target, oxide grains in the target have an average diameter of 1.5 μm or less, and that 60% or more of the oxide grains in the observing plane of the target have a difference between a maximum diameter and a minimum diameter of 0.4 μm or less, where the maximum diameter is a maximum distance between arbitrary two points on the periphery of an oxide grain, and the minimum diameter is a minimum distance between two parallel lines across the oxide grain. A non-magnetic grain dispersion-type magnetic material sputtering target that can inhibit abnormal discharge due to an oxide causing occurrence of particles during sputtering is obtained. | 01-22-2015 |
20150027882 | Sputtering Target for Magnetic Recording Medium, and Process for Producing Same - A sputtering target for a magnetic recording medium, wherein an average grain area of a B-rich phase is 90 μm | 01-29-2015 |