Patent application number | Description | Published |
20080218913 | TUNNELING MAGNETORESISTIVE ELEMENT WHICH INCLUDES Mg-O BARRIER LAYER AND IN WHICH NONMAGNETIC METAL SUBLAYER IS DISPOSED IN ONE OF MAGNETIC LAYERS - In a tunneling magnetoresistive element, an insulating barrier layer is made of Mg—O, and a first pinned magnetic layer has a laminated structure in which a nonmagnetic metal sublayer made of Ta is interposed between a lower ferromagnetic sublayer and an upper ferromagnetic sublayer. The nonmagnetic metal sublayer has an average thickness of about 1 Å or more and about 5 Å or less. | 09-11-2008 |
20080225443 | TUNNELING MAGNETIC SENSING ELEMENT AND METHOD FOR PRODUCING SAME - A free magnetic layer has a laminated structure in which a first magnetic sublayer composed of Co—Fe or Fe and a second magnetic sublayer composed of Co—Fe—B or Fe—B are formed, in that order, on an insulating barrier layer composed of Mg—O. This effectively improves the rate of change in resistance (ΔR/R) compared with the related art. | 09-18-2008 |
20080261082 | TUNNELING MAGNETORESISTIVE ELEMENT INCLUDING MULTILAYER FREE MAGNETIC LAYER HAVING INSERTED NONMAGNETIC METAL SUBLAYER - A tunnel magnetoresistive element includes a laminate including a pinned magnetic layer, an insulating barrier layer, and a free magnetic layer. The insulating barrier layer is composed of Ti—Mg—O or Ti—O. The free magnetic layer includes an enhancement sublayer, a first soft magnetic sublayer, a nonmagnetic metal sublayer, and a second soft magnetic sublayer. For example, the enhancement sublayer is composed of Co—Fe, the first soft magnetic sublayer and the second soft magnetic sublayer are composed of Ni—Fe, and the nonmagnetic metal sublayer is composed of Ta. The total thickness of the average thickness of the enhancement sublayer and the average thickness of the first soft magnetic sublayer is in the range of 25 to 80 angstroms. Accordingly, the tunneling magnetoresistive element can consistently have a higher rate of resistance change than before. | 10-23-2008 |
20100055452 | TUNNELING MAGNETIC SENSING ELEMENT INCLUDING MGO FILM AS INSULATING BARRIER LAYER - A tunneling magnetic sensing element includes a laminate in which an underlayer, a seed layer, an antiferromagnetic layer, a pinned magnetic layer, an insulating barrier layer, and a free magnetic layer are laminated in order from below. The insulating barrier layer is made of Mg—O. The underlayer is made of Ti, and the seed layer is made of one selected from a group consisting of Ni—Fe—Cr and Ru. | 03-04-2010 |
20100270865 | MAGNETIC COUPLING TYPE ISOLATOR - A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; and first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view, wherein a distance between the magnetoresistive element and the second shield film is set to 8 to 100 μm. | 10-28-2010 |
20100270866 | MAGNETIC COUPLING TYPE ISOLATOR - A magnetic coupling type isolator includes: a magnetic field generator for generating an external magnetic field by an input signal; a magnetoresistive element for detecting the external magnetic field and converting the detected magnetic field into an electric signal, the magnetoresistive element being electrically insulated from the magnetic field generator and positioned in a location capable of being magnetically coupled so as to be overlapped with the magnetic field generator as seen in a top plan view; first and second shield films overlapped with the magnetic field generator and the magnetoresistive element as seen in a top plan view; and a third shield film disposed to surround the magnetoresistive element. | 10-28-2010 |
20110080165 | MAGNETIC BALANCE TYPE CURRENT SENSOR - A magnetic balance type current sensor measures a measured current which flows in a feedback coil when electrical conduction is provided by a voltage difference according to an induction magnetic field from the measured current and an equilibrium state is reached in which the induction magnetic field and a cancel magnetic field cancel each other. Sensor elements in a pair are arranged at positions with magnetic field from the measured current. The magnetization direction of the pinned magnetic layer in the magnetoresistive effect element of one sensor element is aligned in a forward direction with respect to the magnetic field formed by the measured current. The magnetization direction of the pinned magnetic layer in the magnetoresistive effect element of the other sensor element is aligned in a reverse direction with respect to the magnetic field formed by the measured current. | 04-07-2011 |
20110156798 | ALPS GREEN DEVICES CO., LTD. - Magnetoresistive effect elements R | 06-30-2011 |
20120062215 | MAGNETIC-BALANCE-SYSTEM CURRENT SENSOR - A magnetic-balance-system current sensor includes: a magnetoresistive element, a resistance value of the magnetoresistive element being changed by applying an induction magnetic field generated by a measurement target current; magnetic cores disposed near the magnetoresistive element; a feedback coil disposed near the magnetoresistive element and configured to generate a cancelling magnetic field that cancels out the induction magnetic field; and a magnetic-field detecting bridge circuit having two outputs. The measurement target current is measured on the basis of a current flowing through the feedback coil when the induction magnetic field and the induction magnetic field and the cancelling magnetic field cancel each other out. The feedback coil, the magnetic cores, and the magnetic-field detecting bridge circuit are formed on a same substrate. The feedback coil is of a spiral type, and the magnetic cores are provided above and below the feedback coil. | 03-15-2012 |
20120062224 | MAGNETIC BALANCE TYPE CURRENT SENSOR - A magnetic balance type current sensor includes a magnetoresistance effect element whose resistance value changes owing to the application of an induction magnetic field from a current to be measured; a feedback coil disposed in the vicinity of the magnetoresistance effect element and generating a cancelling magnetic field cancelling out the induction magnetic field; a magnetic field detection bridge circuit including two outputs causing a voltage difference corresponding to the induction magnetic field to occur; and a magnetic shield attenuating the induction magnetic field and enhancing the cancelling magnetic field, wherein, on the basis of the current flowing through the feedback coil at the time of an equilibrium state in which the induction magnetic field and the cancelling magnetic field are cancelled out, the current to be measured is measured, wherein the feedback coil, the magnetic shield, and the magnetic field detection bridge circuit are formed on a same substrate. | 03-15-2012 |
Patent application number | Description | Published |
20080278863 | TUNNELING MAGNETIC SENSING ELEMENT AND METHOD FOR MANUFACTURING THE SAME - A tunneling magnetic sensing element includes: a pinned magnetic layer whose direction of magnetization is pinned in one direction; an insulating barrier layer; and a free magnetic layer whose direction of magnetization changes in response to an external magnetic field. The pinned magnetic layer, the insulating barrier layer and the free magnetic layer are deposited in the named order. A first protective layer composed of a platinum-group element is disposed on the free magnetic layer, and a second protective layer composed of Ti is disposed on the first protective layer. | 11-13-2008 |
20080285180 | MAGNETIC SENSING ELEMENT AND METHOD FOR MANUFACTURING THE SAME - An underlying layer is composed of Co—Fe—B that is an amorphous magnetic material. Thus, the upper surface of the underlying layer can be taken as a lower shield layer-side reference position for obtaining a gap length (GL) between upper and lower shields, resulting in a narrower gap than before. In addition, since the underlying layer has an amorphous structure, the underlying layer does not adversely affect the crystalline orientation of individual layers to be formed thereon, and the surface of the underlying layer has good planarizability. Accordingly, PW50 (half-amplitude pulse width) and SN ratio can be improved more than before without causing a decrease in rate of change in resistance (Δ R/R) or the like, thereby achieving a structure suitable for increasing recording density. | 11-20-2008 |
20090115551 | Noise filter - The invention can provide a miniaturized noise filter. The noise filter for reducing noise comprises a coil with a conductive wire ( | 05-07-2009 |
20100007566 | Vehicle Roof Mount Antenna - The vehicle roof mount antenna to be detachably mounted on a vehicle roof is mainly constituted by an antenna cover | 01-14-2010 |
20100055501 | TUNNELING MAGNETIC SENSING ELEMENT - A tunneling magnetic sensing element includes a laminate in which a pinned magnetic layer having a magnetization direction pinned, an insulating barrier layer, and a free magnetic layer having a magnetization direction variable with an external magnetic field are laminated in order from below. The insulating barrier layer is made of Mg—O. The free magnetic layer has a soft magnetic layer and an enhanced layer disposed between the soft magnetic layer and the insulating barrier layer to have a spin polarization ratio higher than the soft magnetic layer. An insertion magnetic layer made of one selected from Co—Fe—B, Co—B, Fe—B, and Co—Fe is inserted into the soft magnetic layer in a direction parallel to the interface of each layer constituting the laminate, and the soft magnetic layer is divided into multiple layers in a thickness direction through the insertion magnetic layer. | 03-04-2010 |
20120081194 | Vehicle-Mounted Noise Filter - Disclosed is a vehicle-mounted noise filter capable of suppressing electric field coupling between a pair of capacitors in the FM radio band, thereby allowing the intrinsic noise attenuation performance of a noise filter circuit to be exerted even in the FM radio band. The vehicle-mounted noise filter comprises a ground plate, a coil, a pair of capacitors, and a conductive shielding plate. The ground plate is grounded in a vehicle body. A lead wire is wound around the coil. The pair of capacitors are disposed such that the coil is interposed therebetween, and are electrically connected to the coil and the ground plate so as to form π-type filter circuit. The conductive shielding plate is grounded in the ground plate and is disposed between the pair of capacitors so as to shield the electric field coupling between the pair of capacitors. | 04-05-2012 |
Patent application number | Description | Published |
20080258617 | Organic electroluminescence device and manufacturing method therefor - An organic EL device in accordance with the invention has a structure in which a first electrode, a light-emitting layer, and a second electrode are formed on a substrate in this order, and light from the light-emitting layer is emitted to an exterior of the device via the second electrode. | 10-23-2008 |
20080274660 | Electroluminescent display device, method for manufacturing the same, and electronic equipment - A transparent cathode electrode technology for an electroluminescent display device having a top emission structure, provides a top emission type electroluminescent display device and a method to manufacture the same. Oxidation of a substrate film can be reduced or prevented during the film formation of a metal oxide. Electronic equipment including this display device is also provided. A first electrode, a function layer including a luminescent layer, and a transparent second electrode made of a metal oxide are laminated on the substrate in that order from the lower surface. At this time, the oxygen concentration in the second electrode is made to vary in the film thickness direction, and the oxygen concentration in the vicinity of the interface between the second electrode and the function layer is made lower than the average oxygen concentration in the second electrode. | 11-06-2008 |
20080315761 | Light-emitting device having openings in electrode - The invention provides a light-emitting device, a manufacturing method thereof, and an electronic apparatus which can improve the emission efficiency of light, obtain uniform brightness within a display surface in high reliability, in particular, and which can suppress lowering of the emission efficiency of light due to various wiring line structures, even though a large screen is performed. In a light-emitting device having a light-emitting element in which a first electrode on a base substrate, a functional layer having a light-emitting layer, and a second electrode are sequentially deposited, the first electrode and the second electrode are reflective, and the second electrode has an opening through which light from the light-emitting layer passes. | 12-25-2008 |
20110148944 | DISPLAY DEVICE - A display device includes a light emitting functional layer disposed between a first and second substrates; a first pixel which emits light to the second substrate and has a first pixel electrode disposed between the light emitting functional layer and the first substrate, a second electrode disposed between the light emitting functional layer and the second substrate, and a first reflecting layer disposed between the first pixel electrode and the first substrate; a second pixel which emits light to the first substrate side and has a second pixel electrode disposed between the light emitting functional layer and the first substrate, a second electrode disposed between the light emitting functional layer and the second substrate, and a second reflecting layer disposed between the second electrode and the second substrate; and a driving element which drives the first and second pixel electrodes is disposed above first substrate. | 06-23-2011 |
20140111865 | OPTICAL DEVICE, IMAGE DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL DEVICE - A head-mounted display that guides image light displayed by an image formation unit and focuses the image light on a viewer's side includes a light guide member that angularly converts the image light incident from the image formation unit based on reflection at a plurality of transflective layers, and a light absorption layer is disposed on each of the transflective layers. The light guide member has a light incident surface through which the image light is introduced into the light guide member, a prism reflection surface that is disposed at an end of the light guide member, serves as one of the plurality of transflective layers, and reflects the image light introduced through the light incident surface, and the light absorption layers disposed between the light guide member and the prism reflection surface. | 04-24-2014 |
20140252336 | DISPLAY DEVICE - A display device includes a light emitting functional layer disposed between a first and second substrates; a first pixel which emits light to the second substrate and has a first pixel electrode disposed between the light emitting functional layer and the first substrate, a second electrode disposed between the light emitting functional layer and the second substrate, and a first reflecting layer disposed between the first pixel electrode and the first substrate; a second pixel which emits light to the first substrate side and has a second pixel electrode disposed between the light emitting functional layer and the first substrate, a second electrode disposed between the light emitting functional layer and the second substrate, and a second reflecting layer disposed between the second electrode and the second substrate; and a driving element which drives the first and second pixel electrodes is disposed above first substrate. | 09-11-2014 |
20140376066 | Image Reading Device - An image reading device including an illumination unit that has a light guide body guiding light of a light source that is facing one longitudinal end surface of the light guide body to an object to be read; and an image forming optical device that is parallel to the light guide body, has a lens array with an incidence surface in which lens surfaces are arranged in the longitudinal direction of the light guide body, and condenses reflected light from the object which is incident on the incidence surface, thereby forming an erect equal-magnification image on a sensor. The image reading device further includes a frame on which is disposed the image forming optical device. A second frame projects in a direction away from the first frame and connects to the first frame, or the frame connects to an H-shaped cross-section frame. | 12-25-2014 |
Patent application number | Description | Published |
20130094091 | Image Forming Optical Element and Image Reading Device - Two aperture members are disposed on each side of a lens array. In one aperture member, decreasingly tapered through holes having a cross sectional area that gradually decreases in a light incident direction and increasingly tapered through holes having a cross sectional area that gradually increases in the light incident direction are alternatively arranged. The other aperture member that is oppositely disposed with respect to the lens array has the same configuration. The center axes of the decreasingly tapered through holes and the center axes of the increasingly tapered through holes are coincident with each other. This enables to achieve an image forming optical element that has a large amount of light and less irregularity of the amount of light. | 04-18-2013 |
20130265618 | Image Reading Device and Method of Manufacturing Housing - A light guide inserted into an inclined groove is disposed so as to partially overlap with a lens unit that is fitted into a concave groove disposed parallel to the inclined groove when seen in a plan view, to regulate the separation of the lens unit from the concave groove and hold the lens unit in an insertion state by the light guide. Therefore, a fixing unit such as an adhesive agent is not required in fixedly disposing the light guide and the lens unit at a predetermined position of a frame, and a CIS module is assembled without using an adhesive agent, thereby allowing the CIS module that is easily disassembled when being discarded and that improves recycling efficiency to be provided. | 10-10-2013 |
20130265619 | Image Reading Device - Since a light emitting surface in a cross section perpendicular to the longitudinal direction of a light guide is formed to have a smaller width than a reflecting surface, light of an LED, which is incident from an end surface of the light guide and is scattered throughout the entirety of the longitudinal direction in the reflecting surface, is condensed toward the light emitting surface, and is then emitted in the form of a band toward a document from the light emitting surface. Therefore, it is possible to provide a CIS module including an illumination unit having a new configuration capable of illuminating a portion where the document and an optical axis of the lens array included in the lens unit intersect, in the form of a band with high efficiency using the illumination unit. | 10-10-2013 |
20130342912 | Image Reading Device - By satisfying the first condition, the brightness of the lens array can be obtained while retaining the long diameter of the first lens surface and the second lens surface in the Y direction, and the resolution of the lens array can be improved by decreasing the lens pitch in the X direction. Moreover, by satisfying the second condition, the MTF at the spatial frequency (line pairs/mm) of the lens array can be definitely set to be greater than 0%. As a result, it is possible to provide the CIS module that includes the lens unit having good optical property with a simple configuration. | 12-26-2013 |
20140168724 | Document Illumination Device, Contact-Type Image Sensor Module, and Image Reading Device - A document illumination device includes a light-conducting member in which is formed a base surface that extends along a lengthwise direction, an irradiation surface that extends along the lengthwise direction and is tilted in the widthwise direction relative to the base surface, and a side surface that extends in the lengthwise direction and connects the base surface to the irradiation surface; a scattering member that is provided opposing the base surface and the side surface and that scatters light emitted from the base surface and the side surface; and a light source provided opposing a lengthwise direction-end surface of the light-conducting member. | 06-19-2014 |