Patent application number | Description | Published |
20100026961 | LIGHT MODULATION DEVICE MODULE, IMAGE FORMING APPARATUS USING THE MODULE, AND DRIVING METHOD FOR THE APPARATUS - A light modulation device module includes a support member, a light modulation device provided on the support member, the light modulation device modulating a plurality of linear light beams in different wavelength bands, a driving unit configured to drive the light modulation device, and a light transmitting member provided on the light modulation device. | 02-04-2010 |
20100157533 | HEAT-TRANSPORTING DEVICE, ELECTRONIC APPARATUS, AND METHOD OF PRODUCING A HEAT-TRANSPORTING DEVICE - A heat-transporting device includes a working fluid, a vessel, a vapor-phase flow path, and a liquid-phase flow path. The working fluid transports heat using a phase change. The vessel seals in the working fluid. The vapor-phase flow path causes the working fluid in a vapor phase to circulate inside the vessel. The liquid-phase flow path includes a laminated body and causes the working fluid in a liquid phase to circulate inside the vessel, the laminated body including a first mesh member and a second mesh member and being formed such that the first mesh member and the second mesh member are laminated while weaving directions thereof differ relatively. | 06-24-2010 |
20100157534 | HEAT-TRANSPORTING DEVICE AND ELECTRONIC APPARATUS - A heat-transporting device includes a working fluid, a vessel, a vapor-phase flow path, and a liquid-phase flow path. The working fluid transports heat using a phase change. The vessel seals in the working fluid. The vapor-phase flow path includes a first mesh member and causes the working fluid in a vapor phase to circulate inside the vessel, the first mesh member including a through-hole larger than a mesh thereof. The liquid-phase flow path causes the working fluid in a liquid phase to circulate inside the vessel. | 06-24-2010 |
20100157535 | HEAT-TRANSPORTING DEVICE AND ELECTRONIC APPARATUS - A heat-transporting device includes a working fluid, a vessel, a vapor-phase flow path, a liquid-phase flow path, and an intermediate layer. The working fluid transports heat using a phase change. The vessel seals in the working fluid. The vapor-phase flow path causes the working fluid in a vapor phase to circulate inside the vessel. The liquid-phase flow path includes a first mesh member having a first mesh number and causes the working fluid in a liquid phase to circulate inside the vessel. The intermediate layer includes a second mesh member and is interposed between the liquid-phase flow path and the vapor-phase flow path, the second mesh member being laminated on the first mesh member and having a second mesh number smaller than the first mesh number. | 06-24-2010 |
20110088877 | HEAT TRANSPORT DEVICE, METHOD OF MANUFACTURING A HEAT TRANSPORT DEVICE, AND ELECTRONIC APPARATUS - A heat transport device includes a working fluid, a capillary member, and a container. The working fluid transports heat by performing a phase change. The capillary member applies a capillary force to the working fluid. The capillary member includes a first mesh member having a mesh of a first size and a second mesh member having a mesh of a second size different from the first size. The second mesh member is folded so that the first mesh member is sandwiched. The container contains the working fluid and the capillary member. | 04-21-2011 |
20110253345 | HEAT TRANSPORTATION DEVICE PRODUCTION METHOD AND HEAT TRANSPORTATION DEVICE - [Object] To provide a low-cost production method for a heat transportation device with which efficient production with a small number of steps is possible. | 10-20-2011 |
20140235102 | SIGNAL TRANSMISSION CABLE - A signal transmission cable comprises a cable including a dielectric layer and a metallic layer; and a connector having a chip with a terminal. The connector includes a substrate having an organic layer, and a portion of the organic layer extends from the substrate so as to form the dielectric layer of the cable. The metallic layer is located on the dielectric layer and is directly connected to the terminal. | 08-21-2014 |
20140364004 | TRANSMISSION MODULE, SHIELDING METHOD, TRANSMISSION CABLE, AND CONNECTOR - A transmission module includes a connector component including a connector side substrate having a terminal component including a ground terminal and a data terminal, and a signal processing component mounted on the connector side substrate for processing a high frequency signal having a frequency higher than that of a data signal inputted or outputted via the data terminal; and a transmission cable component for transmitting the high frequency signal including a cable side substrate having a flexibility on which a cable side ground layer electrically connected to the ground terminal and a signal line to which the high frequency signal is transmitted are formed, the cable side ground layer being disposed at least at lower and upper sides of the signal line as a part including the cable side ground layer of the cable side substrate is folded. | 12-11-2014 |
Patent application number | Description | Published |
20080279518 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING OPTICAL/ELECTRICAL HYBRID SUBSTRATE - An optical waveguide includes an optical waveguide main body and mirrors. The optical waveguide main body includes a first cladding layer, a second cladding layer and a core portion provided between the first cladding layer and the second cladding layer. The optical waveguide main body has a first region in which the core portion and the mirrors are arranged and the light signal is transmitted, and a second region arranged on both sides of the first region and not contributing to a transmission of a light signal. Through vias that pass through the optical waveguide main body is provided in the second region. The first region on a side that faces the light emitting element or the light receiving element is protruded larger than the second region on a side that faces the light emitting element or the light receiving element. | 11-13-2008 |
20090065132 | METHOD OF FORMING OPTICAL WAVEGUIDE - Parallel-aligned core layers are formed by patterning a core sheet laminated on a base plate, and a clad/core bonded body is formed by laminating a cladding sheet. The base plate is peeled from one surface of the clad/core bonded body and a dicing tape is pasted on the other surface of the clad/core bonded body. An inclined surface is formed by bevel-cutting both end portions of the core layers. Clad/core bonded pieces are formed by straight-cutting the cladding sheet between core layers and on an outside of outermost core layers. A mask is disposed on the clad/core bonded pieces, and then a metal film is formed on the inclined surface. The clad/core bonded pieces are separated individually by peeling the pieces from the dicing tape after the mask is removed. The clad/core bonded piece is brought into contact with the liquid adhesive coated on a circuit substrate and aligned thereon. Then, the liquid adhesive is cured. | 03-12-2009 |
20090188610 | MANUFACTURING METHOD OF OPTICAL WAVEGUIDE - In a method of manufacturing an optical waveguide using a flat die having a groove therein, the method includes: (a) forming a first cladding sheet on a base substrate; (b) placing the first cladding sheet and the base substrate on the flat die such that the first cladding sheet faces the groove of the flat die; (c) filling the groove with a liquid resin and then curing the liquid resin, thereby forming a mirror support on the first cladding sheet; (d) removing the flat die from the first cladding sheet; (e) forming a metal reflection film on the mirror support; (f) forming a core sheet on the first cladding sheet such that the core sheet covers the mirror support that is formed with the metal reflection film; (g) forming a second cladding sheet on the core sheet; and (h) removing the base substrate from the first cladding sheet. | 07-30-2009 |
20090245725 | MANUFACTURING METHOD OF OPTICAL WAVEGUIDE, OPTICAL WAVEGUIDE AND OPTICAL RECEPTION/TRANSMISSION APPARATUS - A manufacturing method of an optical waveguide, the optical waveguide including a first clad layer; a core layer formed on the first clad layer and configured to propagate light; a second clad layer formed on the first clad layer so as to cover the core layer; and a light propagation direction changing part configured to change a propagation direction of the light propagating in the core layer; the manufacturing method of the optical waveguide includes the steps of forming a concave part penetrating the first clad layer and the core layer; and inserting the light propagation direction changing part into the concave part so that a light propagation direction changing surface of the light propagation direction changing part forms a predetermined inclination angle to a predetermined reference plane. | 10-01-2009 |
20090245726 | OPTICAL WAVEGUIDE HAVING AN OPTICAL TRANSMISSION DIRECTION CHANGING PART - An optical waveguide includes: a first clad layer; a core layer formed on the first clad layer; a second clad layer formed on the core layer; and an optical transmission direction changing part. The optical transmission direction changing part is configured and arranged to change a transmission direction of a light transmitting through the core layer. The optical transmission direction changing part penetrates through the core layer. An optical transmission direction changing surface of the optical transmission direction changing part inclines relative to a predetermined reference plane by a predetermined angle. | 10-01-2009 |
20130236138 | PHOTOELECTRIC COMPOSITE SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - There is provided a photoelectric composite substrate including: a wiring substrate comprising a first region and a second region; an optical waveguide disposed on the first region of the wiring substrate and including: a first cladding layer on the wiring substrate; a core layer on the first cladding layer; a second cladding layer on the core layer; a wiring layer on the second region of the wiring substrate; and an insulating layer having an opening portion on the wiring layer such that the wiring layer is exposed through the opening portion, wherein the insulating layer is made of the same material as that of the core layer. | 09-12-2013 |
20140119702 | OPTICAL WAVEGUIDE AND OPTICAL MODULE - An optical waveguide includes a first cladding layer, at least two core portions formed on the first cladding layer and extended in a first direction, at least two groove portions formed in each of the core portions at positions spaced apart from each other in the first direction, each groove portion having an inclined surface, an optical path conversion mirror formed on one of the inclined surfaces formed in each of the core portions, and a second cladding layer formed on the first cladding layer and the core portions. The optical path conversion mirrors formed in the core portions adjacent to each other are arranged at positions different from each other in the first direction. The groove portions formed in the core portions adjacent to each other are arranged at the same positions in the first direction. | 05-01-2014 |
Patent application number | Description | Published |
20110129182 | OPTICAL WAVEGUIDE DEVICE AND METHOD OF MANUFACTURING THE SAME - An optical waveguide device includes a wiring substrate, an optical waveguide bonded on the wiring substrate and having a light path conversion inclined surface on both ends, and a light path conversion mirror formed to contact the light path conversion inclined surface of the optical waveguide and formed of a light reflective resin layer or a metal paste layer. In case the light reflective resin layer is used as the light path conversion mirror, the light reflective resin layer may be formed partially only on the side of the light path conversion inclined surface, or may be formed on the whole of the wiring substrate to coat the optical waveguide. | 06-02-2011 |
20110274388 | OPTOELECTRONIC COMPOSITE SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing an optoelectronic composite substrate, includes forming a first cladding layer in an area except the connection pad on a wiring substrate including a connection pad on an upper surface, forming a belt-like core layer on the first cladding layer, and obtaining an optical waveguide having a structure in which the core layer is surrounded by the first cladding layer and the second cladding layer, by forming a second cladding layer which covers the core layer. A thickness of the first cladding layer is set identically to a thickness of the connection pad, and thus a level difference caused by the connection pad is eliminated. | 11-10-2011 |
20120134632 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE - A method of manufacturing an optical waveguide, includes forming a first cladding layer on a substrate, forming a core layer on the first cladding layer, forming a groove portion including a light path conversion inclined surface by processing the core layer in a thickness direction, and forming a second cladding layer in which a light path conversion hole is arranged on the light path conversion inclined surface on the first cladding layer and the core layer. | 05-31-2012 |
20120141063 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE - A method of manufacturing an optical waveguide, includes preparing a light path conversion component including a structure in which a protruding portion having a light path conversion inclined surface is covered with a metal layer and the metal layer serves as a light path conversion mirror, and a structural body in which a core layer is formed on a first cladding layer and an opening portion is provided in an end side of a light path of the core layer, arranging the light path conversion mirror of the light path conversion component in the opening portion of the core layer, and forming a second cladding layer covering the core layer, wherein a light path of a light that propagates through the core layer is converted toward a first cladding layer side by the light path conversion mirror. | 06-07-2012 |
20120155822 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE - A method of manufacturing an optical waveguide, includes forming a first light path core layer having a first light path length on a first cladding layer, forming a groove portion having an inclined surface in an end side of the first light path core layer, forming a second light path core layer having a second light path length which is longer than the first light path length, in a lateral area of the first light path core layer, forming a groove portion having an inclined surface, arranged to an outer side than the groove portion of the first light path core layer, in an end side of the second light path core layer, forming partially a metal layer on the respective inclined surfaces of the first and second light path core layer, and forming a second cladding layer covering the first and second light path core layer. | 06-21-2012 |
20120155823 | TWO-LAYER OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME - A two-layer optical waveguide includes a core layer having a first surface and a second surface opposite to the first surface, and a cladding layer laminated on the first surface of the core layer. The two-layer optical waveguide further includes a mirror structure provided at a plurality of positions on the first surface of the core layer, the mirror structure directing a light signal which travels in the core layer, toward the second surface of the core layer. Each mirror structure includes an inclined plane formed on the first surface of the core layer, and a metal film formed on the inclined plane. | 06-21-2012 |
20120318964 | OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE - An optical wave guide includes an optical waveguide layer in which a core layer is surrounded by a cladding layer, a light path converting portion provided to a light entering side and a light emitting side of the optical waveguide layer respectively, a light entering portion demarcated in an outer surface of the cladding layer, in which a light is entered to the light path converting portion of the light entering side; and a light emitting portion demarcated in an outer surface of the cladding laver, in which a light from the light path converting portion of the light emitting side is emitted, wherein an outer surface of the cladding layer except the light entering portion and the light emitting portion is formed as a roughened. surface. | 12-20-2012 |