Abstract:
An optical connector includes a core block, a flexible wiring board, an optical device array, a drive circuit, and a housing. The core block has a plurality of faces. The flexible wiring board has an external connection terminal, a first area arranged on a first face of the core block, and a second area arranged on a second face of the core block. The optical device array is mounted on the first area of the flexible wiring board and includes at least one group of a plurality of optical devices for transmission and a plurality of optical devices for reception arranged. The drive circuit is mounted on the second area of the flexible wiring board and drives the optical device array. The housing stores the core block, the optical device array, and the drive circuit such that the external connection terminal of the flexible wiring board is arranged outside the housing.
Abstract:
An optical communication device, reception apparatus, transmission apparatus and transmission and reception system are disclosed. The optical communication device includes a drive circuit substrate. A first through via extends through the drive circuit substrate and is configured to electrically connect an optical element disposed on a first surface side of the drive circuit substrate to a drive circuit disposed on a second surface side of the drive circuit substrate. A positioning element is attached to an interposer substrate and is configured to align optical axes of a first lens that is attached to a lens substrate and that faces a second lens that is disposed on the first surface side of the drive circuit substrate. A second through via extends through the interposer substrate and electrically connects the drive circuit to a signal processing circuit disposed on a signal processing substrate positioned above the interposer substrate.
Abstract:
An optical communication device, reception apparatus, transmission apparatus and transmission and reception system are disclosed. The optical communication device includes a drive circuit substrate. A first through via extends through the drive circuit substrate and is configured to electrically connect an optical element disposed on a first surface side of the drive circuit substrate to a drive circuit disposed on a second surface side of the drive circuit substrate. A positioning element is attached to an interposer substrate and is configured to align optical axes of a first lens that is attached to a lens substrate and that faces a second lens that is disposed on the first surface side of the drive circuit substrate. A second through via extends through the interposer substrate and electrically connects the drive circuit to a signal processing circuit disposed on a signal processing substrate positioned above the interposer substrate.
Abstract:
A semiconductor device includes a first semiconductor electronic component which includes a pad electrode, a solder bump, and a metal layer between a pad and solder that is configured to have an underlying metal layer formed between the pad electrode and the solder bump and connected to the pad electrode, and a main metal layer formed on the underlying metal layer, and in which the main metal layer has an eave portion at an outer edge portion thereof.
Abstract:
A method for mounting a second member on a first member, wherein a pad layer is provided on the first member, and wherein an annular aperture portion exposing the first member to the bottom and having at least one discontinuous portion is provided in a region of the pad layer for mounting the second member having a mount face, the annular aperture portion having the same outer shape as the mount face of the second member is disclosed. The method includes: filling the aperture portion with a solder paste layer; and disposing the mount face of the second member on the solder paste layer, and melting and cooling the solder paste layer to mount the second member on the first member.
Abstract:
An optical communication device, reception apparatus, transmission apparatus and transmission and reception system are disclosed. The optical communication device includes a drive circuit substrate. A first through via extends through the drive circuit substrate and is configured to electrically connect an optical element disposed on a first surface side of the drive circuit substrate to a drive circuit disposed on a second surface side of the drive circuit substrate. A positioning element is attached to an interposer substrate and is configured to align optical axes of a first lens that is attached to a lens substrate and that faces a second lens that is disposed on the first surface side of the drive circuit substrate. A second through via extends through the interposer substrate and electrically connects the drive circuit to a signal processing circuit disposed on a signal processing substrate positioned above the interposer substrate.
Abstract:
A photoelectric connector includes a plug and a receptacle. The plug includes a plug housing 200, a first guide pin 220, a first signal transmitting/receiving member 230, a first electrode unit 260, and a plug housing biasing means 250. The receptacle includes a receptacle housing 300, a second signal transmitting/receiving member 330, a second electrode unit 360, and a second signal transmitting/receiving member biasing means 321. In a state in which the plug is fitted to the receptacle, the first electrode unit 260 and the second electrode unit 360 come into contact with each other and are electrically connected to each other; an opposite surface of the first signal transmitting/receiving member 230 and an opposite surface of the second signal transmitting/receiving member 330 come into contact with each other in a state in which the opposite surfaces are not movable relative to each other; the first and second signal transmitting/receiving members 230 and 330 are biased to a rear side of the plug by the second signal transmitting/receiving member biasing means 231; and the plug housing 200 is biased in a direction perpendicular to the axis line of the plug by the plug housing biasing means 250 and the second electrode unit 360.
Abstract:
A component includes a main body, a first layer, and a second layer. The main body includes a bottom surface. The first layer is provided on the bottom surface of the main body and includes a bottom surface. The second layer is bonded to a metal bonding material on a substrate to be provided physically integrally. The second layer has higher wettability with respect to the metal bonding material in a molten state than the first layer, and protrudes from the bottom surface side of the first layer such that at least a part of the bottom surface of the first layer is exposed on an entire outer circumference side of the second layer.
Abstract:
A method of manufacturing a mounting substrate according to an embodiment of the present technology includes the following three steps: (1) a step of forming a plurality of electrodes on a semiconductor layer, and thereafter forming one of solder bumps at a position facing each of the electrodes; (2) a step of covering the solder bumps with a coating layer, and thereafter selectively etching the semiconductor layer with use of the coating layer as a mask to separate the semiconductor layer into a plurality of elements; and (3) a step of removing the coating layer, and thereafter mounting the elements on a wiring substrate to direct the solder bumps toward the wiring substrate, thereby forming the mounting substrate.
Abstract:
An optical transmission module includes: a main substrate having a front surface and a back surface; an optical connector having a connector substrate; a first transparent substrate disposed between the connector substrate and the main substrate; a heat source element disposed between the connector substrate and the back surface of the main substrate, and electrically connected to the main substrate; one or a plurality of wirings electrically connecting the heat source element to the main substrate, and each configured to transfer heat generated from the heat source element and the first transparent substrate, to the main substrate; a first special region preventing the heat generated from the heat source element and the first transparent substrate, from being transferred to the connector substrate; and a second special region providing a function of transferring the heat generated from the heat source element and the first transparent substrate.