Abstract:
A magnetoresistance device that has a substrate, an underlayer, a magnetoresistance structure, and a diffusion barrier layer is provided. The underlayer is formed on top of the substrate. The magnetoresistance structure is formed on top of the underlayer. The diffusion barrier layer is formed between the underlayer and the magnetoresistance structure.
Abstract:
A perpendicular magnetic head for recording a perpendicular magnetic recording medium is provided. The perpendicular magnetic head includes a main pole; a return pole, which has at least an end separated from the main pole; and a plurality of shields that surround the main pole and have a split structure.
Abstract:
A perpendicular magnetic recording head which moves in a track direction of a recording layer of a perpendicular magnetic recording medium to write information on the recording layer or read information from the recording layer. The perpendicular magnetic recording head includes: the perpendicular magnetic recording medium including a soft magnetic underlayer and the recording layer; a write head including a main pole that applies a magnetic field to, and writes information to, the recording layer and a return pole having a first end which is connected to the main pole and having a second end which is spaced apart from the main pole over an air bearing surface (ABS) of the perpendicular magnetic recording head which is adjacent to the recording layer; and a permanent magnet formed on at least one side of the write head.
Abstract:
A magnetic recording head and a method of manufacturing the same are provided. The magnetic recording head has a stacked structure including a main pole and a return pole. The stacked structure includes a first insulation layer having a stepped portion on one surface, a first magnetic portion having a shape of a vertical thin film that contacts a riser of the stepped portion, and a second magnetic layer disposed to be insulated from the first magnetic portion. The method of manufacturing the magnetic recording head includes forming the first insulation layer having a stepped portion on one surface, forming a magnetic thin film on the first insulation layer along the stepped portion, and forming the main pole by etching the magnetic thin film during a predetermined period of time until only a vertical thin film portion of the magnetic thin film that contacts a riser of the stepped portion remains.
Abstract:
A perpendicular magnetic recording head and a recording medium for recording data using the same. The perpendicular magnetic recording head includes: a main pole whose lower end has a predetermined width t1; a return pole whose upper end is connected to the main pole and whose lower end is separated from the lower end of the main pole by a predetermined gap g 1; a sub yoke whose lower end is recessed by a predetermined depth d1 in the upward direction from the lower end of the main pole; a coil wrapped around the main pole and the sub yoke; magnetic shield layers; and a reading device located between the magnetic shield layers, wherein a ratio (d1/t1) of the recess depth d1 to the width t1 is less than or equal to 6.
Abstract:
A magnetic recording head includes a return pole, a writing pole spaced a predetermined distance from the return pole, an induction writing coil forming a magnetic field on the writing pole, and a writing pole shield formed on the same plane as the writing pole.
Abstract:
A paper guide device which guides a sheet of paper fed to a nip between an image belt and a transfer roller and an image forming apparatus including the same. The paper guide device includes a first convey guiding unit arranged within a predetermined space from an image belt to firstly guiding the paper to a nip between the image belt and a transfer roller. A second convey guiding unit is arranged on the first convey guiding unit to contact the image belt to secondly guide the paper to the nip without contacting the image belt. The device accurately guides the paper to the nip without contacting the image transfer belt.
Abstract:
A high density magnetoresistance memory and a manufacturing method thereof are provided. The magnetoresistance memory includes: a memory cell storing information; a conductive line contacting the memory cell to change the magnetization direction of the memory cell by generating a magnetic field; and at least one flux concentrating island (FCI) located between the conductive line and the memory cell for concentrating flux onto the memory cell. The flux is concentrated onto the memory cell to reduce a required electric current and improve selectivity, thereby forming a high-density and highly integrated memory cell.
Abstract:
An apparatus and method for reading a user's palm using a mobile terminal by extracting a life line, a heart line and a head line from the user's palm. The apparatus and method comprise photographing the user's palm when the mobile terminal is in a palm photograph mode and converting the photographed palm image to a grayscale image. The apparatus and method further comprise detecting edges in the palm image, extracting a value of each line of the palm, obtaining a length and a slope of each line of the palm based on the extracted value, and outputting results of the palm reading based on the length and slope of each line of the palm.
Abstract:
A photosensitive belt installation device of an electrophotographic image forming apparatus that includes a soft cartridge which rolls up for storage, and an installation guide member which selectively attaches to the image forming apparatus. When unrolled, the cartridge, allows the simple installation of a photosensitive belt into the imaging forming apparatus. The soft cartridge is a flexible cartridge having a shape of the endless track of a belt unit of the imaging forming apparatus, and is open on both sides. The unrolled soft cartridge supports the photosensitive belt during installation, as one open side of the soft cartridge is fitted over a sloping surface of the installation guide member attached to the front frame of the belt unit. The soft cartridge is completely pushed around the belt unit along a sloping surface of the installation guide member. The photosensitive belt remains around the belt unit as the soft cartridge is pulled out. The installation guide member is then be removed from the front of the belt unit.