Abstract: An endoscope includes an optical module, the optical module including an optical element including a light emitting surface, an external electrode being disposed, out of a first region and a second region obtained by dividing the light emitting surface substantially in half, only in the first region, a wiring board including a first main surface where the optical element and a bonding electrode are disposed, a bonding wire connecting the external electrode and the bonding electrode to each other, a ferrule into which the optical fiber is inserted, a frame including an upper plate where the ferrule is disposed, including a side plate fixed to the first main surface, including an inner section housing the optical element and a side surface including an opening, and a transparent resin disposed in the inner section, wherein the upper plate is inclined at a predetermined inclination angle to the first main surface.

Abstract: An endoscope including an image pickup module in a distal end section, wherein the image pickup module including an image pickup unit including an image pickup device, a light emitting element configured to emit an optical signal from a light emission surface, and a ferrule disposed in the image pickup unit, in which the light emission surface is inclined at a first angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, a fiber distal end portion is inclined at a second angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, and the optical fiber extends toward the distal end section central axis, and is arranged along a bending section central axis in a bending section.

Abstract: An optical module includes an optical element including a light emitting section, a first wiring board, on a first principal plane of which the optical element is mounted, a ferrule functioning as a holding member including a through hole and disposed on a second principal plane of the first wiring board, an optical fiber inserted into the through hole of the ferrule, a side surface wiring board, a third principal plane of which is disposed in parallel to an optical axis and an end portion of which is connected to the first wiring board, an electrode being disposed on a fourth principal plane of the side surface wiring board, and a signal cable having a distal end portion bonded to the electrode of the side surface wiring board.

Abstract: An optical module includes an optical element, a first substrate, on a first principal plane of which the optical element is mounted, a holding member disposed on a second principal plane of the first substrate, an optical fiber inserted into a through hole of the holding member, a holding substrate with an opening, a wall surface of which is in contact with an outer peripheral surface of the holding member, an interconnecting substrate connecting the first substrate and the holding substrate, a side surface substrate, an end portion of which is connected to the holding substrate and on which an electrode is disposed, and a signal cable, a distal end portion of which is bonded to the electrode of the side surface substrate.

Abstract: An endoscope including an image pickup module in a distal end section, wherein the image pickup module including an image pickup unit including an image pickup device, a light emitting element configured to emit an optical signal from a light emission surface, and a ferrule disposed in the image pickup unit, in which the light emission surface is inclined at a first angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, a fiber distal end portion is inclined at a second angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, and the optical fiber extends toward the distal end section central axis, and is arranged along a bending section central axis in a bending section.

Abstract: An endoscope includes an optical module, the optical module including an optical element including a light emitting surface, an external electrode being disposed, out of a first region and a second region obtained by dividing the light emitting surface substantially in half, only in the first region, a wiring board including a first main surface where the optical element and a bonding electrode are disposed, a bonding wire connecting the external electrode and the bonding electrode to each other, a ferrule into which the optical fiber is inserted, a frame including an upper plate where the ferrule is disposed, including a side plate fixed to the first main surface, including an inner section housing the optical element and a side surface including an opening, and a transparent resin disposed in the inner section, wherein the upper plate is inclined at a predetermined inclination angle to the first main surface.

Abstract: An optical module includes an optical element, a first substrate, on a first principal plane of which the optical element is mounted, a holding member disposed on a second principal plane of the first substrate, an optical fiber inserted into a through hole of the holding member, a holding substrate with an opening, a wall surface of which is in contact with an outer peripheral surface of the holding member, an interconnecting substrate connecting the first substrate and the holding substrate, a side surface substrate, an end portion of which is connected to the holding substrate and on which an electrode is disposed, and a signal cable, a distal end portion of which is bonded to the electrode of the side surface substrate.

Abstract: An optical module includes an optical element including a light emitting section, a first wiring board, on a first principal plane of which the optical element is mounted, a ferrule functioning as a holding member including a through hole and disposed on a second principal plane of the first wiring board, an optical fiber inserted into the through hole of the ferrule, a side surface wiring board, a third principal plane of which is disposed in parallel to an optical axis and an end portion of which is connected to the first wiring board, an electrode being disposed on a fourth principal plane of the side surface wiring board, and a signal cable having a distal end portion bonded to the electrode of the side surface wiring board.

Abstract: An image pickup module includes: an optical waveguide plate that includes a first waveguide, a second waveguide, and a third waveguide optically coupled to the first waveguide and the second waveguide through a branch portion; an image pickup device; a first optical device and a second optical device both mounted on the optical waveguide plate; an optical fiber; a ferrule into which the optical fiber is inserted; and a plurality of conductive wires. The ferrule includes a notch on a front surface, and distal end portions of the conductive wires are held between the optical waveguide plate and a surface of the notch of the ferrule. The other components are disposed within a plane of projection of the image pickup device.

Abstract: An image pickup module includes: an optical waveguide plate that includes a first waveguide, a second waveguide, and a third waveguide optically coupled to the first waveguide and the second waveguide through a branch portion; an image pickup device; a first optical device and a second optical device both mounted on the optical waveguide plate; an optical fiber; a ferrule into which the optical fiber is inserted; and a plurality of conductive wires. The ferrule includes a notch on a front surface, and distal end portions of the conductive wires are held between the optical waveguide plate and a surface of the notch of the ferrule. The other components are disposed within a plane of projection of the image pickup device.

Abstract: An ultrasound unit includes: ultrasound elements each including a plurality of ultrasound cells formed on a substrate including a semiconductor, the plurality of ultrasound cells each including an upper electrode having a ground potential and a lower electrode to which a drive signal is applied, the upper electrode and the lower electrode being arranged facing each other via a cavity and thereby forming a first capacitor; a package member in which the plurality of ultrasound elements are disposed, the package member having a ground potential; and an insulation member disposed between the package member and each of the ultrasound elements. A second capacitor is formed as a result of the insulation member serving as a gap, and a capacity of a third capacitor serially connected to the second capacitor is smaller than a capacity of the second capacitor.

Abstract: An endoscope includes an insertion section in which a rigid distal end portion, a bending section for changing a direction of the rigid distal end portion, and a flexible portion are concatenated and an optical fiber that transmits an optical signal, the optical fiber being inserted through an inside of the insertion section. The rigid distal end portion is provided with an image pickup device, an optical element that converts an electric signal outputted by the image pickup device into the optical signal, a holding member including a through-hole, into which a distal end portion of the optical fiber is inserted, and a wiring board on which the optical element is mounted and to which the holding member is joined. The optical fiber is inserted through a center of the bending section.

Abstract: An endoscope includes: an insertion portion that includes a distal end portion in which an image sensor and a laser diode are disposed, a bending portion, and a flexible portion, the image sensor outputting an image pickup signal, the laser diode converting the image pickup signal into an optical signal; an operation portion; an universal cord; a connector; an optical fiber that is inserted through the insertion portion and transmits the optical signal; and a stress relief portion that changes an effective length L1 of the optical fiber in accordance with a stress applied to the optical fiber, the effective length being a length of the optical fiber along an insertion direction thereof.

Abstract: An endoscope includes an insertion portion including an optical transmission module on a distal end portion, and an operation portion, the optical transmission module includes an optical fiber, a light emitting element, a holding member provided with a through-hole, a wiring board in which the light emitting element is bonded to a first main surface and the holding member is joined to the second main surface, and a transparent resin filling a space between a light emitting portion of the light emitting element and a distal end face of the optical fiber, and an entire periphery of a distal end portion of the optical fiber is tapered.

Abstract: An optical transmission module includes an optical element including a light-emitting section configured to output light of an optical signal, a hollow cylindrical body joined perpendicularly to a light output surface of the optical element, a wiring board, on a first principal surface of which the optical element is mounted and through a hole of which the hollow cylindrical body is inserted, and an optical fiber configured to transmit the optical signal, a distal end portion of which is inserted into the hollow cylindrical body.

Abstract: An endoscopic system includes: an endoscope acquiring an image of an inside of a subject; and a processing device performing image processing on the acquired image. The endoscope includes: an imaging unit outputting the image of the inside of the subject as an electrical signal; and an optical transmission unit converting the electrical signal into an optical signal and transmitting the optical signal to the processing device via an optical fiber. The processing device includes: an optical reception unit receiving the optical signal transmitted from the optical transmission unit and converts the received optical signal into an electrical signal; a curvature-detecting unit detecting a curvature of the optical fiber, and a control unit controlling at least one of characteristics of the electrical signal output from the imaging unit and characteristics of the electrical signal output from the optical transmission unit based on the detection result of the curvature-detecting unit.

Abstract: An optical transmission module includes an optical element including a light-emitting section configured to output light of an optical signal, a hollow cylindrical body joined perpendicularly to a light output surface of the optical element, a wiring board, on a first principal surface of which the optical element is mounted and through a hole of which the hollow cylindrical body is inserted, and an optical fiber configured to transmit the optical signal, a distal end portion of which is inserted into the hollow cylindrical body.

Abstract: An endoscope includes an insertion section in which a rigid distal end portion, a bending section for changing a direction of the rigid distal end portion, and a flexible portion are concatenated and an optical fiber that transmits an optical signal, the optical fiber being inserted through an inside of the insertion section. The rigid distal end portion is provided with an image pickup device, an optical element that converts an electric signal outputted by the image pickup device into the optical signal, a holding member including a through-hole, into which a distal end portion of the optical fiber is inserted, and a wiring board on which the optical element is mounted and to which the holding member is joined. The optical fiber is inserted through a center of the bending section.

Abstract: An endoscope includes: an insertion portion that includes a distal end portion in which an image sensor and a laser diode are disposed, a bending portion, and a flexible portion, the image sensor outputting an image pickup signal, the laser diode converting the image pickup signal into an optical signal; an operation portion; an universal cord; a connector; an optical fiber that is inserted through the insertion portion and transmits the optical signal; and a stress relief portion that changes an effective length L1 of the optical fiber in accordance with a stress applied to the optical fiber, the effective length being a length of the optical fiber along an insertion direction thereof.

Abstract: An optical transmission module includes: an optical device having a light emitting section that outputs light of an optical signal; an optical fiber that transmits the optical signal; a holding member in which a distal end portion of the optical fiber is inserted into a through hole having an inner diameter equivalent to an outer diameter of the optical fiber, and that is disposed on the optical device; and a lens section that is disposed in an opening on the optical device side of the through hole of the holding member, and that concentrates the light.