Patent application number | Description | Published |
20120206528 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a first head that discharges first light-curable ink; a light radiating unit that is positioned at one side from the first head in a predetermined direction and cures the first light-curable ink by radiating light to the first light-curable ink; a second head that is positioned at the one side from the light radiating unit in the predetermined direction and discharges second light-curable ink; and a control unit that causes an image to be formed on a medium by controlling the first head and the second head to discharge the light-curable ink while moving the position of the medium relative to the first head, the light radiating unit, and the second head to the one side in the predetermined direction. | 08-16-2012 |
20120211664 | RADIATION FAILURE INSPECTING METHOD AND RADIATION FAILURE INSPECTING APPARATUS - A radiation failure inspecting method includes acquiring read data when a scanner reads a radiation surface of a radiation unit in a state where a reading surface of the scanner faces the radiation surface of the radiation unit and the radiation unit emits light; acquiring a value corresponding to a radiation energy of the light from the radiation unit by integrating the read data in a direction corresponding to a predetermined direction on the read data; and determining that a radiation failure occurs in the radiation unit when the value corresponding to the radiation energy of the light is equal to or less than a threshold value. | 08-23-2012 |
20130044172 | IMAGE RECORDING APPARATUS AND IRRADIATOR - An image recording apparatus includes: a nozzle that discharges electromagnetic wave curable ink that is cured when an electromagnetic wave is irradiated onto a recording medium; and an irradiator for irradiating the electromagnetic wave, wherein a filter that transmits the electromagnetic wave is provided on the irradiator, and the filter has a first transmittance that causes the electromagnetic wave curable ink on the recording medium to be curable with respect to an electromagnetic wave that is incident at a first angle and a second transmittance that maintains a state in which the nozzle can discharge the electromagnetic wave curable ink with respect to an electromagnetic wave that is incident at a second angle. | 02-21-2013 |
20130120490 | IMAGE FORMING APPARATUS - An image forming apparatus which includes an ejecting unit which ejects liquid cured by being irradiated with light onto a medium for printing, an irradiation unit which irradiates the liquid which has landed onto the medium for printing with the light, and an image quality inspection unit which inspects an image quality of an image which is formed on the medium for printing, in which, when the image quality inspection unit detects abnormal formation of the image, an intensity of the light of the irradiation unit is controlled. | 05-16-2013 |
20130258018 | INK JET RECORDING METHOD, ULTRAVIOLET CURABLE INK, AND INK JET RECORDING APPARATUS - Provided is an ink jet recording method including: discharging first ultraviolet curable ink of a radical polymerization reaction type which contains a radical photopolymerization initiator and a radical polymerization compound and in which transmittance at a wavelength of 395 nm is equal to or less than 1%, onto a recording medium; and curing the first ultraviolet curable ink which is landed on the recording medium by irradiating the ink with ultraviolet light, in which a light source which initially emits the ultraviolet light in the curing of the ink is an ultraviolet light emitting diode in which peak intensity of the irradiated ultraviolet light is equal to or more than 800 mW/cm | 10-03-2013 |
20140320567 | IMAGE FORMING APPARATUS - An image forming apparatus which includes an ejecting unit which ejects liquid cured by being irradiated with light onto a medium for printing, an irradiation unit which irradiates the liquid which has landed onto the medium for printing with the light, and an image quality inspection unit which inspects an image quality of an image which is formed on the medium for printing, in which, when the image quality inspection unit detects abnormal formation of the image, an intensity of the light of the irradiation unit is controlled. | 10-30-2014 |
Patent application number | Description | Published |
20130159255 | STORAGE SYSTEM AND METHOD FOR CONTROLLING STORAGE SYSTEM - Provided is a storage system providing a data storage area to an external apparatus. The storage system includes at least a first information processing apparatus including a first logical storage area forming the data storage area and a first data processing part performing processing of reducing the storage capacity used by a backup target data in the first logical storage area, and a second information processing apparatus communicatively coupled to the first information processing apparatus and including a second logical storage area forming the data storage area, and a second data processing part performing processing of reducing the storage capacity used by the backup target data in the second logical storage area. The first information processing apparatus further includes an evaluation index allocation processing part determining which one of the first and second data processing parts to use to process the backup target data according to an evaluation index prescribed as a data format of the backup target data, and a backup processing part, when performing backup processing of the backup target data, refers to the association relationship between the data format of the backup target data and any of the first and second data processing parts determined by the evaluation index allocation processing part, and causes the first or second data processing part is associated with the data format of the backup target data, to process the backup target data. | 06-20-2013 |
20130226873 | STORAGE SYSTEM AND METHOD FOR CONTROLLING STORAGE SYSTEM - Provided is a storage system which provides a data storage area to an external apparatus. The storage system includes at least a first information apparatus including a first logical storage area constituting the data storage area, and a first data processing part for performing a processing for reducing a storage capacity of the first logical storage area used by backup target data, and a second information apparatus including a second logical storage area constituting the data storage area, and a second data processing part for performing a processing for reducing a storage capacity of the second logical storage area used by backup target data. The second information apparatus is communicatively coupled with the first information apparatus. | 08-29-2013 |
20130282672 | STORAGE APPARATUS AND STORAGE CONTROL METHOD - The present invention not only reduces the load but also enhances the accuracy of de-duplication in a storage apparatus which performs in-line de-duplication processing and post-process de-duplication processing. A storage apparatus comprises a storage device and a controller. The controller receives multiple files, and by performing in-line de-duplication processing under a prescribed condition, detects from among the multiple files a file which is duplicated with a file received in the past, stores in the temporary storage area a file other than the detected file of the multiple files, and partitions the stored file into multiple chunks, and by performing post-process de-duplication processing, detects from among the multiple chunks a chunk which is duplicated with a chunk received in the past, and stores in the transfer-destination storage area a chunk other than the detected chunk of the multiple chunks. | 10-24-2013 |
Patent application number | Description | Published |
20110102936 | PERPENDICULAR MAGNETIC RECORDING HEAD AND METHOD FOR PRODUCING THE SAME - According to one embodiment, a perpendicular magnetic recording head includes a main pole, wherein a thickness in a down-track direction of the main pole increases moving away from an air bearing surface of the magnetic pole, and wherein a center position in a thickness direction of a portion of the main pole which is exposed at the air bearing surface (the ABS portion) is positioned toward a trailing side of the main pole with respect to a center position in a thickness direction of a portion of the magnetic pole having a greatest cross-sectional area and which is set back from the air bearing surface (the set-back portion). Further embodiments of this magnetic recording head, along with systems thereof and methods of producing magnetic recording heads are also described, according to more embodiments. | 05-05-2011 |
20130242431 | MAGNETIC RECORDING HEAD WITH NON-CONFORMAL SIDE SHIELD GAP - A magnetic write head having a shield structure that provides both a leading shield and side shielding function. The magnetic shield is separated from the sides and leading edge of the write pole by a non-magnetic gap layer that has a non-uniform thickness. The non-magnetic gap layer is thicker near the leading edge and thinner at the trailing edge. This allows for increased side field gradient near the trailing edge of the write pole and decreased write field loss at the leading edge of the write pole. | 09-19-2013 |
20130335854 | PERPENDICULAR RECORDING HEAD WITH LEADING BUMP IN THE MAIN POLE HAVING NARROW LEADING GAP (LG) - In one embodiment, a perpendicular magnetic recording head includes a main magnetic pole; a leading shield below a leading side of the main magnetic pole; a leading gap between the leading shield and the main magnetic pole; a trailing shield above a trailing side of the main magnetic pole; a trailing gap between the trailing shield and the main magnetic pole; and a nonmagnetic leading bump between the main magnetic pole and the leading shield. Additional embodiments are also disclosed. | 12-19-2013 |
20130342937 | PERPENDICULAR MAGNETIC RECORDING HEAD HAVING A MAIN POLE AND A SUB-POLE - A magnetic write head having a main magnetic write pole and a magnetic sub-pole that are configured to maximize magnetic performance. The main magnetic write pole has a flared portion located near the air bearing surface and a non-flared portion removed from the air bearing surface. A magnetic sub-pole is formed adjacent to the main magnetic write pole and terminates at a front endpoint that is recessed from the air bearing surface but is closer to the air bearing surface than the non-flared portion. | 12-26-2013 |
20140177100 | MAMR HEAD WITH A MULTI-LAYERED SIDE GAP FOR STABLE OSCILLATION OF THE STO - A microwave-assisted magnetic recording (MAMR) head according to one embodiment includes a main pole; a trailing shield positioned downstream from the main pole; an oscillation device adapted to generate a high-frequency magnetic field, the oscillation device being positioned between the main pole and the trailing shield; a circuit adapted to flow an electric current therethrough to the main pole, the oscillation device, and the trailing shield; an electrically conductive non-magnetic body positioned on one or more sides of the main pole in a cross-track direction and/or a leading direction; and an insulating non-magnetic body positioned on one or more sides of the electrically conductive non-magnetic body in the cross-track direction and/or the leading direction, wherein one or more edge portions of one side of the oscillation device and one or more edge portions of one side of the main pole are in direct contact with the electrically conductive non-magnetic body. | 06-26-2014 |
20150103434 | MICROWAVE-ASSISTED MAGNETIC RECORDING (MAMR) HEAD WITH AN INCLINED AND RECESSED MAIN POLE STRUCTURE - In one embodiment, a magnetic head includes a main pole configured to emit a recording magnetic field for affecting a magnetic medium, the main pole configured to serve as a first electrode and having a front portion at an air bearing surface (ABS) of the magnetic head and a rear portion extending from the front portion in an element height direction perpendicular to the ABS, wherein an upper surface of the front portion of the main pole is angled with respect to a plane of deposition at a first angle of inclination of greater than 0°, and wherein at least a portion of an upper surface of the rear portion of the main pole is angled at a first angle of declination greater than 0° with respect to the plane of deposition, an upper shield positioned above the main pole, the upper shield configured to serve as a second electrode, and a microwave oscillator positioned between the main pole and the upper shield at the ABS. | 04-16-2015 |
20150109699 | HEAT SINK FOR A SPIN TORQUE OSCILLATOR (STO) IN MICROWAVE ASSISTED MAGNETIC RECORDING (MAMR) - In accordance with one embodiment, a magnetic head includes a main pole configured to emit a recording magnetic field for affecting a magnetic medium, spin torque oscillator (STO) device in electrical communication with and positioned above the main pole in a track direction, the STO device being configured to generate a high-frequency magnetic field which is superimposed with the recording magnetic field in order to record data to the magnetic medium when current flows to the STO device, and a heat sink positioned near the STO device, the heat sink being configured to reduce a temperature of the STO device when current flows to the STO device. In another embodiment, a method includes forming a heat sink behind a STO device in an element height direction perpendicular to a media facing surface, and/or on both sides of the STO device in a cross-track direction at the media facing surface. | 04-23-2015 |
20150154987 | MAGNETIC HEAD HAVING A SHORT YOKE WITH A TAPERED COIL STRUCTURE - In one embodiment, a magnetic head includes a main pole configured to write data to a magnetic medium using a magnetic field, a return pole positioned above the main pole at a media-facing surface of the magnetic head, the return pole being configured to return magnetic flux from the main pole after it has exited a magnetic medium, and a coil configured to produce magnetic flux in the main pole, the coil being positioned below the return pole, wherein a film thickness of a first turn of the coil on a media-facing surface side thereof is less than a film thickness of a second turn of the coil. Other magnetic heads having a shortened magnetic circuit length and methods of production thereof are presented in additional embodiments. | 06-04-2015 |
20150248904 | SIDE SHIELD READER WITH A SHIELD EXCITING COIL - In one embodiment, an apparatus includes at least one read head, each read head including a magnetoresistive (MR) read element, having a lower shield layer, an underlayer positioned above the lower shield layer, an antiferromagnetic (AFM) layer positioned above the underlayer, a magnetization pinned layer positioned above the AFM layer, an insulating layer positioned above the magnetization pinned layer, and a magnetization free layer positioned above the insulating layer, magnetic side shields positioned on both sides of the MR read element in a cross-track direction, and at least one shield excitation coil configured to excite magnetization of the side shields. In another embodiment, a method for forming a read sensor includes forming a MR read element, forming magnetic side shields on both sides of the MR read element in a cross-track direction, and forming at least one shield excitation coil configured to excite magnetization of the side shields. | 09-03-2015 |
Patent application number | Description | Published |
20120113543 | MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCTION APPARATUS USING THE SAME - A magnetic recording head enabling both enhancement of a strength of a magnetic field from a main pole and provision of narrow-track recording to achieve a high recording density in a high-frequency magnetic field-assisted recording method is provided. An oscillator | 05-10-2012 |
20120147502 | MAGNETIC RECORDING HEAD, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC DISK UNIT - Minute elements are formed while a photo deviation is suppressed between a spin torque oscillator and a main pole and damage is prevented on the ends of the spin torque oscillator in microwave-assisted recording. A magnetic recording head used for microwave-assisted recording includes: a main pole; a spin torque oscillator that is disposed on the main pole and includes a magnetization high-speed rotation layer for rotating magnetization at a high speed by a spin torque; a protective film that is disposed in the track width direction of the spin torque oscillator; an insulating film formed over the wall surfaces of the main pole and the wall surfaces of the protective film; and a magnetic film formed on the insulating film so as to cover at least the main pole. | 06-14-2012 |
20120162811 | MAGNETIC RECORDING HEAD HAVING A NON-CONFORMAL SIDE GAP AND METHODS OF PRODUCTION THEREOF - In one embodiment, a magnetic head includes a main pole having a leading side and a trailing side relative to a downtrack direction, a side gap layer positioned adjacent to the main pole in a crosstrack direction, and a side shield layer positioned adjacent the side gap layer in a crosstrack direction. The downtrack direction is in a direction of medium travel relative to the main pole, the crosstrack direction is perpendicular to the downtrack direction, the side gap layer is characterized by having a groove therein in the downtrack direction having the main pole positioned therein, the side shield is characterized by having a groove formed therein in the downtrack direction having the side gap layer positioned therein, the side gap is non-conformal in shape, and a position of the side shield relative to a position of the main pole is characterized as being self-aligned. | 06-28-2012 |
20130057980 | MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING APPARATUS - The strength of a magnetic field applied from a main pole to an oscillator and the strength of a magnetic field applied from the main pole to a recording medium are improved in a magnetic recording head for microwave assisted recording. | 03-07-2013 |
20130321956 | MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCTION APPARATUS USING THE SAME - A magnetic recording head enabling both enhancement of a strength of a magnetic field from a main pole and provision of narrow-track recording to achieve a high recording density in a high-frequency magnetic field-assisted recording method is provided. An oscillator | 12-05-2013 |
20150116869 | ASYMMETRIC SENSITIVITY READER - Embodiments described herein generally relate to a magnetic read head wherein read sensitivity distribution is made asymmetric in the off-track direction. The method of making the magnetic head is also disclosed. The read head may comprise a magneto-resistive effect element with an asymmetric structure around the element in the off-track direction and the read sensitivity profile in the off-track direction may also be asymmetric. | 04-30-2015 |
20150131184 | TAPERED WRITE HEAD FOR MAMR - Embodiments described herein provide an MAMR head structure which provides a magnetic recording device equipped with a high density recording magnetic head. Characteristic variations caused by misalignment of a main pole and a STO may be reduced because the STO may be aligned with a position on the main pole where the field intensity is enhanced. The enhanced field intensity may be provided by an angle of inclination θ1 of an inclined surface on which the STO may be formed when compared to an angle of inclination θ2 around the main pole in the region of the ABS. Further embodiments provide a method for producing an MAMR head in which an exposed surface of the main pole has an angle of inclination θ2 which is less than the angle of inclination θ1 for the inclined surface of the main pole where the STO is mounted. | 05-14-2015 |