| Patent application number | Description | Published |
| 20080298745 | OPTICAL MODULE AND MANUFACTURING METHOD OF THE SAME - An optical module, including: an optical transmission line holding member having an optical semiconductor element mounting surface, an electrical interconnection layer formed on the mounting surface, and an optical transmission line guide hole with an opening on the mounting surface; an optical transmission line inserted into the guide hole; an optical semiconductor element, mounted on the mounting surface, having an electrode and a light-receiving or light-emitting area on a surface facing the mounting surface; an electrical connection portion which electrically connects the electrode and the interconnection layer, formed between the semiconductor element and the mounting surface; a first resin filling a space around the connection portion between the semiconductor element and the mounting surface; and a second resin filling a gap between the optical transmission line and the semiconductor element, with a property different from that of the first resin, and a method of manufacturing the module. | 12-04-2008 |
| 20090040739 | LSI PACKAGE WITH INTERFACE MODULE AND INTERFACE MODULE - An LSI package includes an interface module having first and second surfaces and including a wiring board having a first through hole, a driver selectively provided on the second surface, a transmission line connected to the driver, and a first terminal formed on the second surface and connected to the driver, an interposer having a third surface facing the second surface and a fourth surface, and including a signal processor and a second terminal provided on the third surface, a third terminal provided on the fourth surface and a second through hole, the third surface facing the second surface except a region where the driver portion is provided. The interposer is arranged so that the first through hole matches with the second through hole, and a movable guide pin is inserted into the first and second through holes to position the interface module and the interposer. | 02-12-2009 |
| 20090080480 | LASER-INDUCED OPTICAL WIRING APPARATUS - A laser-induced optical wiring apparatus includes a substrate, first and second light-reflecting members provided on the substrate separately from each other, an optical waveguide provided on the substrate for optically coupling the first and second light-reflecting members to form an optical resonator, a first optical gain member provided across the optical waveguide and forming a laser oscillator along with the first and second light-reflecting members, and a second optical gain member provided across the optical waveguide separately from the first optical gain member, and forming another laser oscillator along with the first and second light-reflecting members. | 03-26-2009 |
| 20090103864 | OPTICAL TRANSMISSION LINE HOLDING MEMBER, OPTICAL MODULE AND MOUNTING METHOD THEREOF - An optical transmission line holding member includes a main body that mechanically positions and holds an optical transmission line, and an electrical interconnection used to mount an optical element. The main body includes a holding hole which opens in one surface of the main body and is used to mechanically position and hold the optical transmission line, an guide hole which opens in another surface of the main body, has a diameter larger than that of the holding hole and is coaxially aligned with the holding hole, and a resin storage groove provided in the guide hole. The electrical interconnection is formed on the surface in which the holding hole opens. | 04-23-2009 |
| 20090185803 | OPTICAL MULTIPLEXER/DEMULTIPLEXER - An optical multiplexer/demultiplexer comprises one light guide main line which guides lights of a plurality of wavelengths, and two or more microring optical resonators directly optically coupled to the one light guide main line. The two or more microring optical resonators are arranged in any two of layers higher than, level with, and lower than a plane where the one light guide main line is disposed, and/or the two or more microring optical resonators are arranged on both sides of the one light guide main line in a light guide direction. | 07-23-2009 |
| 20090310978 | COMPLEMENTARY OPTICAL WIRING SYSTEM - A complementary optical wiring system has a transmitting circuit configured to combine a delayed signal obtained by delaying a digital electric input signal by a time shorter than a minimum pulse width of the digital electric input signal with the digital electric input signal to generate a first electric pulse signal synchronized with a rising edge of the digital electric input signal and a second electric pulse signal synchronized with a falling edge of the digital electric input signal, a first light-emitting element configured to convert the first electric pulse signal to a first optical signal, a second light-emitting element configured to convert the second electric pulse signal to a second optical signal, a first optical transmission path configured to transmit the first optical signal, a second optical transmission path configured to transmit the second optical signal, a first light-receiving element configured to convert the first optical signal transmitted through the first optical transmission path to a third electric pulse signal, a second light-receiving element configured to convert the second optical signal transmitted through the second optical transmission path to a fourth electric pulse signal and a receiving circuit configured to generate a digital electric output signal corresponding to the digital electric input signal in synchronization with the third and fourth electric pulse signals. | 12-17-2009 |
| 20100021180 | COMPLEMENTARY OPTICAL WIRING APPARATUS - A complementary optical wiring apparatus includes an optical transmitter, first and second optical transmission lines, and an optical receiver, the optical transmitter has a first operation mode of transmitting an optical signal synchronized with the rising of one electrical input signal via the first optical transmission line and transmitting an optical signal synchronized with the falling thereof via the second optical transmission line, and a second operation mode of transmitting an optical signal synchronized with the rising and falling of one of two electrical input signals via the first optical transmission line and transmitting an optical signal synchronized with the rising and falling of the other electrical input signal via the second optical transmission line, and is operated after one of the two operation modes is selected. | 01-28-2010 |
| 20100098129 | LASER-INDUCED OPTICAL WIRING APPARATUS - A laser-induced optical wiring apparatus is provided wherein optical wiring is realized by digital operations of a laser oscillator. The apparatus includes optical ring resonator formed of a loop-shaped optical waveguide on substrate. At least two optical gain sections are provided on the optical ring resonator. When each optical gain section is activated, a laser oscillator including the optical ring resonator and optical gain sections is enabled to oscillate. In this state, the gain of at least one of the optical gain sections is changed in accordance with an input signal, thereby changing the optical route gain of the optical ring resonator to change the oscillation state of the laser oscillator. A change in the laser oscillation state is detected by the optical gain section other than the at least one optical gain section, whereby an output signal is acquired. | 04-22-2010 |
| 20100142976 | TRANSMITTING CIRCUIT AND COMPLEMENTARY OPTICAL WIRING SYSTEM - A transmitting circuit has a first transmitter configured to generate a first electric pulse signal in synchronization with a rising edge of a digital electric input signal, a second transmitter configured to generate a second electric pulse signal in synchronization with a falling edge of the digital electric input signal, a first variable impedance circuit configured to supply a bias current to a first light-emitting element only for a predetermined period before the first light-emitting element for converting the first electric pulse signal into a first light signal is supplied with the first electric pulse signal, and a second variable impedance circuit configured to supply a bias current to a second light-emitting element only for a predetermined period before the second light-emitting element for converting the second electric pulse signal into a second light signal is supplied with the second electric pulse signal. | 06-10-2010 |
| 20100150552 | OPTICAL/ELECTRICAL COMPOSITE CABLE, OPTICAL/ELECTRICAL COMPOSITE CABLE CONNECTION DEVICE AND OPTICAL/ELECTRICAL COMPOSITE CABLE DRIVE METHOD - An optical/electrical composite cable in which a first connector having an optical transmission unit is connected to a second connector having an optical reception unit via an electrical wire and an optical wiring line includes a state detection unit that detects a connection state of the first connector, a connection state of the second connector, a power supply state of a transmission-side electronic device connected to the first connector and a power supply state of a reception-side electronic device connected to the second connector, and an electrical power supply control unit that controls supply of electrical power to the optical transmission unit and optical reception unit according to the detected states. | 06-17-2010 |
| 20100150573 | OPTICAL/ELECTRICAL COMPOSITE CABLE - An optical/electrical composite cable in which a first connector having an optical transmission unit is connected to a second connector having an optical reception unit via an electrical wire and optical wiring line is provided. The optical transmission unit and optical reception unit are driven by electrical power supplied from an external electronic device. A detection unit that detects a removal/attachment operation of at least one of the first and second connectors and an interruption unit that interrupts supply of electrical power to the optical transmission unit and optical reception unit when the removal/attachment operation is detected by the detection unit are provided. | 06-17-2010 |
| 20100166407 | LIGHTING DEVICE, IMAGE PICKUP APPARATUS AND PORTABLE TERMINAL UNIT - A lighting device including a substrate ( | 07-01-2010 |
| 20100244170 | PHOTO DETECTOR AND OPTICALLY INTERCONNECTED LSI - A photo detector having an electrically conductive thin film and a light-receiving unit. A coupling periodic structure is provided on a surface of the film and converts incidence light to surface plasmon. The coupling periodic structure has an opening that penetrates the obverse and reverse surfaces of the thin film. The light-receiving unit is provided at one end of the opening in the surface that is opposite to the surface on which the coupling periodic structure is provided. The opening is shaped like a slit and is broader than half (½) the wavelength of the surface plasmon in a direction that intersects at right angles with a polarization direction of the incidence light and is narrower than half (½) the wavelength of the surface plasmon in a direction parallel to the polarization direction. | 09-30-2010 |
| 20100247030 | OPTOELECTRONIC WIRING BOARD INCLUDING OPTICAL WIRING AND ELECTRICAL WIRING AND METHOD OF MANUFACTURING OPTOELECTRONIC WIRING DEVICE USING THE SAME - An optoelectronic wiring board includes an optical wiring, an electrical wiring, an optical input/output portion, a dummy optical input portion, and a dummy optical waveguide. The optical wiring includes an optical waveguide. The electrical wiring includes an electrically conductive material. The optical input/output portion transmits and detects optical signal with and from the optical waveguide, an optical semiconductor device or an external light guide being disposed on the optoelectronic wiring board. The dummy optical input portion provided adjacent to the optical input/output portion. The dummy optical waveguide is connected to the dummy optical input portion and has an optical end portion which is provided at an end opposite to the dummy optical input portion and absorbs or scatters light which is incident on the dummy optical input portion. | 09-30-2010 |
| 20100303424 | OPTICAL WIRING CABLE - An optical wiring cable that transmits a light signal includes a first connector including a light transmission portion, a second connector including a light reception portion, and an optical wire provided between the first and second connectors to optically couple the light transmission portion and light reception portion. Further, a heat release wire is provided along the optical wire and thermally coupled with the light transmission portion and light reception portion to release heat generated from the light transmission portion and light reception portion. | 12-02-2010 |
| 20100316335 | OPTOELECTRONIC INTERCONNECTION FILM, AND OPTOELECTRONIC INTERCONNECTION MODULE - According to an aspect of the present invention, there is provided an optoelectronic interconnection film: including an interconnection portion including: an optical waveguide core having at least two optical input/output portions; an optical waveguide cladding formed along the optical waveguide core; and an electrical wiring formed along the optical waveguide core; and a reinforcing substrate partially attached to the interconnection portion correspondingly with one of the optical input/output portions, wherein the interconnection portion includes: a rigid region to which the reinforcing substrate is attached; and a flexible region to which the reinforcing substrate is not attached, and wherein, in the flexible region, the optical waveguide core is arranged to not across a boundary between a region where the electrical wiring is provided and a region where the electrical wiring is not provided. | 12-16-2010 |
| 20110026887 | MOUNTING STRUCTURE - In a mounting structure formed by mounting an optoelectronic interconnection module on a mounting board, an optical semiconductor device, electrical wires and electrical connection terminals are provided on the main surface of an optoelectronic interconnection board having flexibility on the optoelectronic interconnection module and an optical interconnection path is provided at the optoelectronic interconnection board. Electrical wires and electrical connection terminals are provided on the main surface of the mounting board. A conductive connection member is disposed between the electrical connection terminals on the optoelectronic interconnection module side and the electrical connection terminals on the mounting board side. A heat release member that releases heat of the optical semiconductor device to the mounting board side is disposed between the optical semiconductor device and the mounting board. | 02-03-2011 |
| 20110064369 | FLEXIBLE WIRING BOARD, MANUFACTURING METHOD THEREOF AND FLEXIBLE WIRING DEVICE - A flexible wiring board including a pair of end regions provided in portions of a flexible wiring board on which a plurality of wires are arranged in parallel in one direction and disposed separately in a wiring lengthwise direction, a wiring region configured in another portion of the wiring board and sandwiched between the end regions, a plurality of flexible wiring fins which is divided by at least one slit that connects the end regions in the wiring region, and a flexible wiring bundle by bundling at least part of the plurality of flexible wiring fins. | 03-17-2011 |
| 20110081118 | OPTOELECTRONIC INTERCONNECTION MODULE - An optoelectronic interconnection module capable of performing optical signal transmission and electrical signal transmission, including a flexible optoelectronic interconnection board including an optical interconnection path, electrical wires and electrical connection terminals used for electrically connecting the electrical wires to an exterior at an end portion thereof, an optical semiconductor device mounted on a portion near one-end of the flexible optoelectronic interconnection board, and a bend portion provided in a lengthwise direction of the flexible optoelectronic interconnection board in parallel to a mounting region of the optical semiconductor device. | 04-07-2011 |
| 20110097034 | MOUNTING STRUCTURE - A mounting structure includes an optoelectronic interconnection module that includes electrical interconnection lines, optical interconnection lines, optical semiconductor device and electrical connection terminals, a mounting board that includes electrical interconnection lines and electrical connection terminals on a main surface and on which the optoelectronic interconnection module is mounted, and a connection member that electrically connects, adheres and fixes the electrical connection terminals and the electrical connection terminals. The optoelectronic interconnection module comprises a circuit area on which the optical semiconductor device is mounted and electrical connection terminals are formed and an interconnection area that is formed in a region other than the circuit area and in which the optical interconnection lines and electrical interconnection lines are formed, and the electrical connection terminals are formed on the interconnection area side rather than the optical semiconductor device. | 04-28-2011 |
| 20110103422 | LASER-INDUCED OPTICAL WIRING APPARATUS - A laser-induced optical wiring apparatus includes a substrate, first and second light-reflecting members provided on the substrate separately from each other, an optical waveguide provided on the substrate for optically coupling the first and second light-reflecting members to form an optical resonator, a first optical gain member provided across the optical waveguide and forming a laser oscillator along with the first and second light-reflecting members, and a second optical gain member provided across the optical waveguide separately from the first optical gain member, and forming another laser oscillator along with the first and second light-reflecting members. | 05-05-2011 |
| 20110150401 | OPTICAL WIRING CABLE - According to one embodiment, an optical wiring cable including a first optical interconnection paths, a first optical transmission unit incorporated in a first connector, and configured to transmit an optical signal to the first optical interconnection paths, a first optical reception unit incorporated in a second connector, and configured to receive an optical signal from the first optical interconnection paths, a second optical interconnection paths, a second optical transmission unit incorporated in the second connector, and configured to transmit an optical signal to the second optical interconnection paths, a second optical reception unit incorporated in the first connector, and configured to receive an optical signal from the second optical interconnection paths, and a control unit configured to detect a combination of electronic apparatuses to which the first and the second connector are to be connected, and control power supply to the optical transmission units and the optical reception units. | 06-23-2011 |