Patent application number | Description | Published |
20080218908 | PERPENDICULAR MAGNETIC RECORDING HEAD AND MANUFACTURING METHOD THEREOF - A perpendicular magnetic recording head includes a main magnetic pole layer; and a return yoke layer laminated on the main magnetic pole layer with a magnetic gap layer formed of a nonmagnetic material disposed on an opposing surface opposite a recording medium. The return yoke layer includes a first throat part opposing the main magnetic pole layer at a side close to the recording medium-opposing surface with a first gap spacing corresponding to a film thickness of the magnetic gap layer; and a second throat part extending to a deeper side than the first throat part in a height direction and opposing the main magnetic pole layer with a second gap spacing greater than the first gap spacing. A throat height determining layer is provided on the main magnetic pole layer or the magnetic gap layer, the throat height determining layer defining a dimension of the first throat part of the return yoke layer in the height direction and formed of an inorganic nonmagnetic material. | 09-11-2008 |
20080225436 | PERPENDICULAR MAGNETIC RECORDING HEAD AND MANUFACTURING METHOD THEREOF - A perpendicular magnetic recording head includes a main magnetic pole layer exposed to an opposing surface opposite a recording medium, applying a perpendicular recording magnetic field to the recording medium; a return yoke layer disposed in the opposing surface opposite the recording medium above or below the main magnetic pole layer, the return yoke layer receiving the recording magnetic field returning thereto after passing through the recording medium; and a planarized nonmagnetic layer filling the surroundings of the return yoke layer to planarized the return yoke layer. Inclined or curved surfaces are formed at both sides in a track width direction of the return yoke layer, the inclined or curved surfaces gradually broadening the dimension of the return yoke layer in the track width direction as the inclined or curved surfaces extend from front end surfaces thereof exposed to the opposing surface opposite the recording medium in the height direction. A cohesive layer is disposed between the return yoke layer and the planarized nonmagnetic layer to increase the cohesive properties between the return yoke layer and the planarized nonmagnetic layer compared with the case in which the return yoke layer is directly connected to the planarized nonmagnetic layer. | 09-18-2008 |
20080239568 | PERPENDICULAR MAGNETIC RECORDING HEAD AND MANUFACTURING METHOD THEREOF - A perpendicular magnetic recording head includes a main magnetic pole layer and a return yoke layer laminated on the main magnetic pole layer with a magnetic gap layer disposed in an opposing surface opposite a recording medium. Further included is a resist layer having a front end surface at a position retreated from the opposing surface opposite the recording medium to a deeper side in a height direction. The resist layer defines a throat height of the return yoke layer at the front end surface position. A Ti film is formed directly below the resist layer, forming at least a portion of the magnetic gap layer. The Ti film is a non-light transmitting film through which light cannot pass. | 10-02-2008 |
20100072563 | SUBSTRATE BONDED MEMS SENSOR - A MEMS sensor includes a first substrate; a second substrate; a movable electrode portion and a fixed electrode portion which are arranged between the first substrate and the second substrate, wherein: conductive supporting portions of the movable electrode portion and the fixed electrode portion are, respectively, fixedly secured to a surface of the first substrate via a first insulating layer; a second insulating layer, a lead layer buried into the second insulating layer, and connection electrode portions that are electrically connected to the lead layer to be individually connected to the conductive supporting portions are provided on a surface of the second substrate; a metallic connection layer is formed on the surface of one of the respective conductive supporting portions; one of the respective connection electrode portions and the metallic connection layer are bonded together by eutectic bonding or diffusion bonding; and, at least each of the connection electrode portions has a thickness of about 4 μm or smaller. | 03-25-2010 |
20110134570 | THIN FILM MAGNETIC HEAD HAVING HEATING ELEMENT - A thin film magnetic head is provided, in which the amount of protrusion in the periphery of an element portion can be reduced or a local temperature increase of electrode leads of a heating element can be prevented. The thin film magnetic head includes a playback element disposed between lower and upper shield layers, a recording element laminated on the upper shield layer, a heating element which is disposed below a coil layer and which generates heat to allow the playback element to protrude toward the recording medium side through thermal expansion, and a pair of electrode leads including overlapping regions, which are in contact with rear ends of the heating element and which overlap with the upper shield layer, and heat dissipation regions. Furthermore, connection wiring portions of the pair of electrode leads are disposed in a region sandwiched between the upper shield layer and a magnetic layer. | 06-09-2011 |
20120104520 | MEMS SENSOR - An MEMS sensor includes: a functional layer having a sensor section; a wiring substrate disposed facing the functional layer and having a conduction pathway for the sensor section; a first metal layer provided on the surface of the sensor section which faces the wiring substrate; and a second metal layer provided on the surface of the wiring substrate which faces the sensor section, wherein the first and second metal layers are joined to each other, a space is formed between a movable portion of the sensor section and the wiring substrate, and a stopper which is composed of a third metal layer being the same film as the first metal layer formed on the functional layer side and a contact portion formed on the wiring substrate side which come into contact with each other is formed between the functional layer and the wiring substrate. | 05-03-2012 |
20120247937 | INPUT DEVICE AND METHOD FOR MANUFACTURING THE SAME - A touch panel (input device) includes a flexible transparent base; a transparent electrode formed on a first surface of the transparent base; a decorative layer formed on a second surface of the transparent base, the second surface being opposite the first surface; and a transparent panel (glass panel) bonded to the second surface of the transparent base, with an optical clear adhesive layer interposed therebetween. | 10-04-2012 |
20140102633 | INPUT DEVICE AND METHOD FOR MANUFACTURING THE SAME - An input device is manufactured from a roll of a single-layer flexible transparent base sheet having a first surface and a second surface by forming a transparent electrode pattern and a wiring layer on the first surface. The transparent electrode pattern is disposed in a transparent input region, and the wiring layer extends from an end of the transparent electrode pattern into a decorative region surrounding the transparent input region. A decorative layer pattern is formed on the second surface in the decorative region, while conveying the transparent base sheet through a roll-to-roll processing. The transparent base sheet having the transparent electrode pattern and the decorative layer pattern is divided into individual units. A transparent panel having an operation surface is bonded to the second surface of each of the individual units with an optically clear adhesive layer interposed therebetween. | 04-17-2014 |
Patent application number | Description | Published |
20090262758 | DIGITAL SIGNAL DEMULTIPLEXING APPARATUS AND DIGITAL SIGNAL MULTIPLEXING APPARATUS - A digital signal demultiplexing apparatus that can demultiplex and a digital signal multiplexing apparatus that can multiplex signals of channels having arbitrary frequency intervals and bandwidths are provided. The digital signal demultiplexing apparatus performs discrete Fourier transform on an input signal, output samples existing within frequency bands of each channel from samples of the frequency domain, add samples such that the number of samples of each channel become a power of two, and performs, on the samples of each channel, discrete inverse Fourier transform of a length the same as the number of the samples. The digital signal multiplexing apparatus performs discrete Fourier transform of a length the same as the number of samples of an input signal for a predetermined period, outputs samples existing within frequency bands of each channel from samples of the frequency domain of each channel, and arrange the samples according to frequency assignment of each channel to perform discrete inverse Fourier transform. | 10-22-2009 |
20090304031 | DIGITAL SIGNAL DEMULTIPLEXING DEVICE AND MULTIPLEXING DEVICE - A digital signal demultiplexing apparatus for demultiplexing a received signal including a plurality of signals that are frequency-multiplexed to output demultiplexed signals is disclosed. The digital signal demultiplexing apparatus includes: demultiplexing filter bank means including a configuration in which unit demultiplexing filter banks are connected in a multistage manner, each unit demultiplexing filter bank including one or more filters for filtering an input signal and a down-sampler for down-sampling an output signal of each filter to output an down-sampled signal; and frequency conversion and decimator means configured to receive at least one of the received signal and output signals of each unit demultiplexing filter bank. The frequency conversion and decimator means includes frequency conversion means, for each input signal, configured to shift a frequency of an input signal and output a shifted signal, and one or more decimator means serially connected to an output of each frequency conversion means, and the decimator means includes a filter for performing band limitation of an input signal and a down-sampler for down-sampling an output signal of the filter and output a down-sampled signal. | 12-10-2009 |
Patent application number | Description | Published |
20090202806 | FILM MADE FROM DENATURED CLAY - The present invention provides a novel technology and a novel material having excellent pliability, gas barrier properties and water resistance, for the technical fields of packaging materials, sealing materials, electric insulating materials and the like, the present invention relates to a film of a material having a denatured clay as a main constituent thereof, wherein (1) the film comprises a denatured clay and an additive, (2) the weight ratio of the denatured clay is not less than 70% relative to total solids, (3) the film has gas barrier properties and water-vapor barrier properties, (4) the film has heat resistance, (5) the film has water resistance, (6) the film has sufficient mechanical strength to be used as a self-supporting film, and (7) the film can be formed on the surface of metals, plastics, rubber, paper and the like, and the present invention can provide a material comprising the denatured clay film in which denatured clay particles are highly oriented and which has excellent heat resistance, excellent pliability, excellent gas barrier properties, excellent water-vapor barrier properties, and high water resistance. | 08-13-2009 |
20090274860 | CLAY FILM PRODUCT - The present invention provides a clay film and a member thereof, having low moisture permeability and gas permeability, having mechanical strength enabling use as a self-supporting film, having high flexibility and high heat resistance, being an electrical insulator and having low thermal conductivity; a clay film comprising clay alone, clay and a small amount of a reinforcing material, or clay, a small amount of an additive and a small amount of a reinforcing material and subjected to surface treatment; a clay film comprising clay and a small amount of a reinforcing material, or clay, a small amount of an additive and a small amount of a fibrous reinforcing material, and having gas impermeability; a multilayer film comprising a fabric and clay and having a composite multilayer structure comprising a clay layer and a fabric; and, an adhesive clay film having clay for a main component thereof and a single layer or multilayer structure in which an adhesive layer is preset on the clay film. | 11-05-2009 |
Patent application number | Description | Published |
20080266722 | THIN-FILM MAGNETIC HEAD - A thin-film magnetic head comprises a reproducing element formed on an undercoat film on a head substrate surface, a recording element formed on the upper side of the reproducing element, and a heater formed on the upper or lower side of the reproducing element, the heater generating heat upon energization so as to project at least the reproducing element by thermal expansion toward a recording medium. A shield layer is formed between the reproducing element and the heater by a plurality of layers including at least first and second shield layers. In the first and second shield layers, the second upper shield layer located closer to the heater is formed by a material having a coefficient of thermal expansion smaller than that of the first shield layer located closer to the reproducing element. | 10-30-2008 |
20080278853 | PERPENDICULAR MAGNETIC RECORDING HEAD - To provide a perpendicular magnetic recording head which can suppress side fringing while keeping the recording magnetic field intensity from decreasing. | 11-13-2008 |
20080278862 | PERPENDICULAR MAGNETIC RECORDING HEAD - To provide a perpendicular magnetic recording head which can suppress side fringing while keeping the recording magnetic field intensity from decreasing. | 11-13-2008 |
20080304179 | PERPENDICULAR MAGNETIC RECORDING HEAD AND METHOD OF MANUFACTURING SAME - In a perpendicular magnetic recording head comprising a main magnetic pole layer and a return yoke layer which are laminated with a magnetic gap layer interposed therebetween, a nonmagnetic throat height determining layer and a return yoke reinforcement layer made of a magnetic material having a saturated magnetic flux density higher than that of the return yoke layer are provided on the magnetic gap layer. The nonmagnetic throat height determining layer has a front end face parallel to the medium-opposing surface at a position retracted by a desirable throat height from the medium-opposing surface. The return yoke reinforcement layer is formed directly under the return yoke layer so as to extend at least from the front end face of the nonmagnetic throat height determining layer to the upper face thereof, and is exposed at the medium-opposing surface between the magnetic gap layer and return yoke layer. | 12-11-2008 |