Hitachi Cable, Inc.

Hitachi Metals, Ltd.

Hitachi Consumer Electronics Co., Ltd.

Hitachi Aloka Medical, Ltd.

Hitachi Cable Fine-tech, Ltd.

Juhyun Yu

Yoshinori Sunaga

Kouki Hirano

Hiroki Yasuda

Hidetaka Kawauchi

Shinichi Inoue

Kinya Yamazaki

Isao Takahashi

Akihiro Hiruta

Ryuta Takahashi

Hiroki Katayama

Hiroshi Ishikawa

Yoshiaki Ishigami

Masahiko Kobayashi

Naoyuki Yamada

Tenpei Inoue

Masaki Ogura

Chihiro Ohkubo

Takanobu Watanabe

Kenichi Murakami

Koki Hirano

Seiji Maruo

Takumi Kobayashi

Takami Ushiwata

Osamu Seya

Tsuneaki Kawaguchi

Yoshikazu Namekawa

Hitoshi Horita

Masataka Satoh

Noribumi Kobayashi

Kenichi Ohhashi

Masataka Satou

Yuuki Naganuma

A photoelectric conversion module includes: a photoelectric conversion element and an IC chip mounted on a mounting surface of a substrate; and an electrode provided on a side surface of the substrate, electrically connected to the IC chip, and having a concave shape sunk deeper than other portions of the side surface of the substrate.

Photoelectric conversion module and method of manufacturing photoelectric conversion module

A photoelectric composite wiring module includes a flexible first substrate including a conductive line and an optical fiber mounted thereon along a longitudinal direction thereof, a second substrate including a recessed portion formed thereon to receive the conductive line and the optical fiber that protrude from an end portion of the first substrate, and an optical device mounted on the second substrate and optically coupled to the optical fiber. The recessed portion includes an opening on a mounting surface side of the second substrate to mount the optical device.

Photoelectric composite wiring module

A ferrule fixing member includes a fixing member configured to fix a ferrule to hold an optical fiber to a retaining member including a retaining hole to insert the ferrule, a locked portion configured to be locked to a locking portion formed on the retaining member and to be restricted from moving, with respect to the retaining member, in an insertion direction of the ferrule and in a direction orthogonal to the insertion direction, and a main body configured to elastically press the ferrule toward the bottom of the retaining hole by elastic deformation thereof.

Ferrule fixing member

An optical module includes a circuit board including a mount surface and a non-mount surface opposite the mount surface, a photoelectric conversion element mounted on the mount surface of the circuit board, an optical coupling member for holding an optical fiber and optically coupling the optical fiber and the photoelectric conversion element, a semiconductor circuit element mounted on the mount surface of the circuit board, and electrically connected to the photoelectric conversion element, a plate-shaped supporting member arranged so as to sandwich the optical coupling member between the supporting member and the circuit board, and an electrically conductive body supported by the supporting member, extended in a thickness direction of the supporting member, and connected at one end to an electrode provided on the non-mount surface of the circuit board.

Optical module including photoelectric conversion element and optical coupling member

An optical module includes a substrate, an optical device including a surface-emitting or -receiving element mounted on a surface of the substrate with a light-emitting or -receiving portion, an optical fiber disposed parallel to the surface of the substrate and in a longitudinal direction of the substrate, a damming member provided between the optical device and the substrate to extend in a width direction of the substrate and dividing a gap between the optical device and the substrate in the longitudinal direction of the substrate into a first portion and a second portion, and a mirror provided at one side surface of the damming member a tip of the optical fiber. The first portion provided on an opposite side to the optical fiber is filled with an underfill resin, and the second portion provided on a side close to the optical fiber is filled with an optical fiber fixing resin.

Optical module and method for producing the same

An optical module includes a circuit board having flexibility, a photoelectric conversion element mounted on a mounting surface of the circuit board, a semiconductor circuit element mounted on the mounting surface of the circuit board and electrically connected to the photoelectric conversion element, a plate-shaped optical connection member having a groove into which an end part of an optical fiber is pushed so as to be housed and optically connecting the optical fiber and the photoelectric conversion element, and a supporting member arranged so as to sandwich the optical connection member between the circuit board. The groove is formed between the semiconductor circuit element and the supporting member so as to have an opening into which the optical fiber is pushed at the supporting member side. The semiconductor circuit element has a height from the mounting surface of the circuit board higher than the photoelectric conversion element.

Optical module, optical transmission device and method of manufacturing optical transmission device

An optical module has a circuit board, a photoelectric conversion element mounted on a mount surface of the circuit board, an optical coupling member for holding an optical fiber and optically coupling the optical fiber and the photoelectric conversion element, a semiconductor circuit element mounted on the mount surface of the circuit board and electrically connected to the photoelectric conversion element, and a plate-shaped supporting substrate arranged to sandwich the optical coupling member between the supporting substrate and the circuit board. An electrically conductive metal foil which extends in a thickness direction of the supporting substrate is provided integrally with a side surface of the supporting substrate, and the metal foil is connected at one end thereof to an electrode provided on a non-mount surface of the circuit board.

Optical module

A ferrule holding member has a tube-shaped receiving portion including a receiving space therein, the receiving space receiving at least partially a ferrule mounted to a terminal of an optical fiber; and an engaging portion engaged to the ferrule received in the receiving portion, to thereby regulate movement of the ferrule relative to the receiving portion. The receiving portion includes a communicating hole to allow the receiving space to communicate externally. The engaging portion includes an engaging protrusion configured to be inserted in the communicating hole from an outer periphery side of the receiving portion, to engage the ferrule.

Ferrule holding member and optical connector

A radioactive ray detecting apparatus provides for reduction of the dead area or region where radioactive rays cannot be detected, even if disposing the radioactive ray detectors to be dense or crowded. The radioactive ray detecting apparatus satisfies the following relationships, when assuming that distance between semiconductor elements is 'XG1', while the distance from the semiconductor element of one of the radioactive ray detectors up to the semiconductor element of other radioactive ray detectors is 'XG2', and distance between the semiconductor elements alighted in a Y-direction is &#x201c;YG1&#x201d;, and a horizontal pitch of a predetermined pixel pitch to be used as the radioactive ray detector is &#x201c;a&#x201d; and a vertical pitch thereof is &#x201c;b&#x201d;, width of a surface of each of plural numbers of semiconductor elements is &#x201c;c&#x201d; and length thereof is &#x201c;d&#x201d;, respectively:&#x2212;(1+2)/21=2+(&#x2212;2)

Radioactive ray detecting apparatus

An optical-electrical composite cable includes an optical fiber, a tubular resin inner cover to enclose the optical fiber, a plurality of electric wires disposed on an outside of the inner cover, and a tubular outer cover to collectively cover the plurality of electric wires. The plurality of electric wires are helically wound around an outer peripheral surface of the inner cover so as to be situated between the inner cover and the outer cover.

Optical-electrical composite cable

A flexible flat optical cable includes two flexible base sheets, one or more optical fiber core wires arranged between the base sheets and each comprising at least an optical fiber, and an adhesive layer provided between the base sheets to bond the base sheets. A non-adhesive region is formed on a surface of the base sheets or the adhesive layer adjacent, in a thickness direction of the base sheets, to at least a portion of the optical fiber core wires for allowing a portion of the optical fiber core wires to move in a direction intersecting with an axial direction of the optical fiber core wires.

Flexible flat optical cable

An optical module includes a substrate, an optical device of a surface-emitting element or a surface-receiving element mounted on a surface of the substrate with a light-emitting portion or a light-receiving portion located to face the surface of the substrate, an optical fiber disposed parallel to the surface of the substrate and in a longitudinal direction of the substrate, a mirror provided to face the light-emitting portion or the light-receiving portion of the optical device and a tip of the optical fiber, and optically connect the optical device and the optical fiber, and an optical fiber receiving groove provided in the surface of the substrate to receive the optical fiber. A width of the mirror is greater than a width of the optical fiber receiving groove. Reflecting portions are provided on edges, respectively, of a mirror side end of the optical fiber receiving groove, and the reflecting portions reflect incident light from the mirror facing the edges, again back to the facing mirror.

A photoelectric transmission module being connected to a terminal of a composite cable including an optical fiber and an electrical cable, includes a substrate connected to the electrical cable drawn from the composite cable, a flexible printed circuit board including one end connected to a connector on the substrate and an other end connected to the optical fiber drawn from the composite cable, and an optical waveguide member formed along an outer surface of the flexible printed circuit board and connected to the optical fiber. The flexible printed circuit board further includes a displacement permitting area formed in a section from a connection end of the connector to a connection end of the optical fiber to allow the connection end of the connector and the connection end of the optical fiber to be relatively displaced in a direction along the substrate.

Photoelectric transmission module

Provided is a cable with a connector () having a form in which a connector is fitted to a cable (). A housing () of the connector is constituted by two case members (). A root portion of the cable () is covered with a boot () made of a resin, and a flange () is formed in the boot (). Inside the boot (), a stop ring () made of a metal is arranged. The stop ring () allows a transmission line () to be inserted through a main body thereof having a cylinder shape, and a jacket () is covered on its outer side. A flange () is also formed in the stop ring (), and the flange () and the flange () are inserted into grooves () in an overlapped state.

Cable with a connector used for transmission of an electrical signal, an optical signal, and the like

A photoelectric conversion module includes: an IC chip and a photoelectric conversion element mounted on one surface of a circuit board having a light transmitting property and flexibility; an optical fiber having a tip portion disposed in a holding groove formed in a resin layer provided on another surface of the circuit board; a reinforcing member covering the holding groove; and an optical element optically coupling a tip of the optical fiber and the photoelectric conversion element via the circuit board. The holding groove has an open end at an end of the resin layer, the end of the resin layer being located on the IC chip side in terms of an arrangement direction of the IC chip and the photoelectric conversion element, and at least part of the tip portion of the optical fiber extends along the IC chip.

Growing community of inventors

Mito, Japan

Juhyun Yu