公开(公告)号：US20210373317A1

公开(公告)日：2021-12-02

申请号：US17395938

申请日：2021-08-06

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: G02B23/24

Abstract: An optical transducer for endoscope includes an optical element, an optical fiber, and a ferrule, the ferrule including a semiconductor substrate and a glass substrate, in which: the semiconductor substrate has an insertion hole penetrating therethrough; an optical fiber is inserted into the insertion hole; the semiconductor substrate has a trench connected with the insertion hole and having an opening in a side surface; the trench has a convex on a bottom surface; and when a distal end surface of the optical fiber is observed from an opening of side surface of the tech, at least a part of the distal end surface is shielded by the convex.

公开(公告)号：US20200178761A1

公开(公告)日：2020-06-11

申请号：US16793383

申请日：2020-02-18

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: A61B1/00 ,  G02B23/24 ,  A61B1/07 ,  A61B1/018

Abstract: An optical module for endoscope includes an optical element including an external terminal, a housing in which an insertion hole into which an optical fiber is inserted is present and has a bottom and a bottom surface made of a transparent material, and a sealing plate that is bonded to the housing. The optical element is stored in an upper recess of the housing, the external terminal and a bonding electrode are connected using a bonding wire, and a wire recess in which a part of the bonding wire is stored is present in a bottom surface of the upper recess.

公开(公告)号：US20190084863A1

公开(公告)日：2019-03-21

申请号：US16164409

申请日：2018-10-18

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA ,  Taku NOSE

IPC: C03B11/12

Abstract: A method of producing an optical element includes: determining, as a reference mold set, a first mold set from among mold sets; determining a set temperature for the reference mold set; acquiring reference data by measuring, by a temperature measurement sensor, a temperature of the reference mold set; measuring, by the temperature measurement sensor, a temperature of a second mold set that is at least one of the mold sets other than the reference mold set; calculating a correction value based on a measurement result obtained by the measuring and on the reference data; determining a set temperature for the second mold set based on the set temperature for the reference mold set and on the correction value; and performing temperature control on the mold sets based on set temperatures determined for the respective mold sets to produce the optical elements.

公开(公告)号：US20230083685A1

公开(公告)日：2023-03-16

申请号：US17993279

申请日：2022-11-23

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA ,  Yohei SAKAI

IPC: H04N5/225 ,  G02B23/24 ,  G02B23/26 ,  A61B1/00 ,  A61B1/05

Abstract: An optical module for endoscope includes a light emitting element, an optical fiber, a ferrule to which the light emitting element is bonded, a wiring board to which the ferrule is bonded, and a resin disposed between the ferrule and the wiring board, wherein the ferrule has a first principal surface made of a transparent material, a second principal surface, and a side surface, the second principal surface has an opening of an insertion hole, the second principal surface has an opening of a groove communicating with the insertion hole, the side surface has an opening of the groove, and a first distance between the opening of the groove on the side surface and the first principal surface is greater than a second distance between the bottom surface of the insertion hole and the first principal surface.

公开(公告)号：US20210382294A1

公开(公告)日：2021-12-09

申请号：US17411411

申请日：2021-08-25

Applicant: OLYMPUS CORPORATION

Inventor： Yuki ITO ,  Yusuke NAKAGAWA

IPC: G02B23/24 ,  H04N5/225

Abstract: An image pickup apparatus manufacturing method includes: modifying glass inside a glass block using a laser to produce a first modified space including a first path connected to an exterior surface of the glass block; etching the first modified space to produce an optical member that internally includes an optical space including a lens surface and connected to a first hole including an opening in the exterior surface; and installing, on the optical member, an image pickup member configured to receive a subject image formed by light condensed by the optical member.

公开(公告)号：US20200049908A1

公开(公告)日：2020-02-13

申请号：US16532566

申请日：2019-08-06

Applicant: OLYMPUS CORPORATION

Inventor： Hiroshi IWAISAKO ,  Yusuke NAKAGAWA

IPC: G02B6/42 ,  G02B23/26 ,  A61B1/00 ,  A61B1/05

Abstract: An optical module includes: an optical element including a light emitting section which emits a light signal and two external terminals on a light emitting surface; an optical fiber configured to transmit the light signal; a ferrule having an insertion hole into which the optical fiber is inserted; and a wiring board where two connection electrodes provided to a first main surface are respectively bonded to the two external terminals via bumps, and the ferrule is provided to a second main surface, wherein the light emitting surface of the light emitting element is inclined with respect to the first main surface at a predetermined inclination angle based on heights of the bumps.

公开(公告)号：US20190384013A1

公开(公告)日：2019-12-19

申请号：US16533888

申请日：2019-08-07

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: G02B6/38 ,  A61B1/04 ,  G02B6/40

Abstract: An optical module includes: an optical fiber; a ferrule with an insertion hole where the optical fiber is inserted; a sleeve with a through hole where the ferrule is inserted; a light emitting element; and a wiring board having a first principle surface where the optical element is disposed and a second principle surface where the sleeve is disposed. The sleeve has a deformation range where an outer surface is concave and an inner surface defining the through hole is convex, the inner surface of the deformation range being in contact with the ferrule. The sleeve is a metal cylinder with a resin provided to fill a space between the metal cylinder and the ferrule.

公开(公告)号：US20180368659A1

公开(公告)日：2018-12-27

申请号：US16100391

申请日：2018-08-10

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: A61B1/00

CPC classification number: A61B1/00009 ,  A61B1/00006 ,  A61B1/00013 ,  A61B1/00096 ,  A61B1/00117 ,  A61B1/00165 ,  A61B1/05 ,  A61B1/051 ,  A61B1/0676 ,  G02B6/4231 ,  G02B6/4281 ,  G02B6/4292 ,  G02B23/24

Abstract: An optical transmitter includes an optical device, a wiring board including a first main surface and a second main surface, the optical device being mounted at a position closer to the second main surface than to the first main surface, a holding member fixed to the wiring board, at a position closer to the first main surface than to the second main surface, and an optical fiber inserted into a through hole of the holding member, where the wiring board includes a wiring pattern of a wiring layer sandwiched between an upper insulating layer and a lower insulating layer, and further includes an opening from which an upper surface and a lower surface of the wiring pattern are exposed, and an end surface of the optical fiber is in contact with the upper surface, and an external electrode of the optical device is bonded to the lower surface.

公开(公告)号：US20180368662A1

公开(公告)日：2018-12-27

申请号：US16059149

申请日：2018-08-09

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: A61B1/00 ,  A61B1/04 ,  G02B23/24 ,  G02B6/42

Abstract: An optical transmission module includes: an optical device including a light-emitting unit configured to output light of an optical signal; a wiring board including a first principal surface, and a second principal surface, the second principal surface on which the optical device is disposed; a holding member having a lower surface fixed to the first principal surface of the wiring board, and having an optical fiber through hole perpendicular to the lower surface; and an optical fiber inserted into the optical fiber through hole, and configured to transmit the optical signal, wherein the first principal surface of the wiring board has a recessed portion, and the holding member is fixed to the wiring board with a bonding agent in the recessed portion.

公开(公告)号：US20180045903A1

公开(公告)日：2018-02-15

申请号：US15726475

申请日：2017-10-06

Applicant: OLYMPUS CORPORATION

Inventor： Yusuke NAKAGAWA

IPC: G02B6/42 ,  H05K1/14 ,  H05K1/02 ,  H05K1/18 ,  G02B6/122 ,  G02B6/036

CPC classification number: G02B6/428 ,  G02B6/03616 ,  G02B6/12 ,  G02B6/122 ,  G02B6/4214 ,  G02B6/4298 ,  G02B2006/12069 ,  H05K1/0274 ,  H05K1/144 ,  H05K1/181 ,  H05K2201/041 ,  H05K2201/10121 ,  H05K2201/10151 ,  H05K2201/10174 ,  H05K2201/10303 ,  H05K2201/2054

Abstract: An optical-electric circuit board includes: a polymer-type optical waveguide substrate provided with a reflective surface which optically couples a first optical path and a second optical path to each other; and electrical wiring, wherein at least a portion of a member which configures the reflective surface is formed of a conductive member, the electrical wiring is formed of first wiring disposed on a side of a first principal surface of the optical waveguide substrate and second wiring disposed on a side of a second principal surface of the optical waveguide substrate, and the conductive member electrically connects the first wiring and the second wiring with each other.