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公开(公告)号：US20210364697A1
公开(公告)日：2021-11-25
申请号：US17393957
申请日：2021-08-04
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Yusuke INABA , Junichi HASEGAWA , Maiko ARIGA , Kazuki YAMAOKA
IPC: G02B6/12
Abstract: An optical module includes: a substrate and a waveguide element having a mount face opposed to the substrate, the waveguide element having an interference waveguide portion having an optical interference function. Further, the mount face includes a projection region to which the interference waveguide portion is projected on the mount face and a non-projection region, and the waveguide element is joined to the substrate with a joint material in the non-projection region.
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公开(公告)号：US20170139161A1
公开(公告)日：2017-05-18
申请号：US15416619
申请日：2017-01-26
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Kazuki YAMAOKA , Jun MIYOKAWA , Masakazu MIURA , Toshio KIMURA
Abstract: An optical fiber fixing structure includes: a cylindrical member; an optical fiber inserted into a hole of the cylindrical member; and a fixing material configured to fix the cylindrical member and the optical fiber, wherein the optical fiber is a polarization maintaining optical fiber having a polarization axis, and a center of the optical fiber is arranged so as to be eccentric to a center of the hole, and an angle formed by an eccentric direction connecting the center of the hole and the center of the optical fiber and the polarization axis is −22.5° to 22.5°, or 67.5° to 112.5°.
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公开(公告)号：US20210367399A1
公开(公告)日：2021-11-25
申请号：US17393918
申请日：2021-08-04
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Yusuke INABA , Maiko ARIGA , Kazuki YAMAOKA
IPC: H01S5/024
Abstract: An optical module includes: an optical element; and a thermoelectric module on which the optical element is mounted. Further, the thermoelectric module includes a first substrate, a second substrate disposed to face the first substrate, and a plurality of thermoelectric elements provided between the first substrate and the second substrate, and a pattern made of a material different from a material of the first substrate is formed on a surface of the first substrate opposite to a back surface of the first substrate facing the second substrate, and the optical element is mounted on the surface of the first substrate in association with the pattern.
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公开(公告)号：US20210364713A1
公开(公告)日：2021-11-25
申请号：US17391589
申请日：2021-08-02
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Maiko ARIGA , Yusuke INABA , Kazuki YAMAOKA , Junichi HASEGAWA
IPC: G02B6/42
Abstract: An optical module includes: a base having a predetermined product of a coefficient of linear expansion and a Young's modulus; a planar lightwave circuit element mounted on the base; and a warpage suppression component, which is mounted on a surface of the planar lightwave circuit element, the surface being on a side opposite to a side where the planar lightwave circuit element is mounted on the base, having a product of a coefficient of linear expansion and a Young's modulus that reduces warpage of the planar lightwave circuit element in accordance with warpage of the base depending on temperature change.
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公开(公告)号：US20180138657A1
公开(公告)日：2018-05-17
申请号：US15867833
申请日：2018-01-11
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Masakazu MIURA , Jun MIYOKAWA , Kazuki YAMAOKA , Toshio KIMURA
Abstract: A semiconductor laser module includes a semiconductor laser that outputs laser light; an optical fiber that guides the laser light; a lens that couples the laser light, which is output from the semiconductor laser, with the optical fiber; a base that is substantially tabular in shape and that has the semiconductor laser, the optical fiber, and the lens fixed thereon either directly or indirectly; and a housing which houses the base and fixes the base either directly or indirectly. Among faces of the base, a face on a side that is fixed either directly or indirectly to the housing includes a junction plane that is joined to the housing either directly or indirectly, and a detachment plane that is detached to remain unfixed from the housing.
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Patent Agency Ranking
公开(公告)号：US20220007496A1
公开(公告)日：2022-01-06
申请号：US17478030
申请日：2021-09-17
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Maiko ARIGA , Yusuke INABA , Kazuki YAMAOKA , Atsushi IZAWA , Kazuya NAGASHIMA
IPC: H05K1/02
Abstract: An optical module includes a box-shaped housing with an optical element mounted therein. Further, a wiring substrate is bonded to a part of a surface of a housing part of the housing, and an electric wiring, which is formed in the wiring substrate or on a surface of the wiring substrate, and an electric wiring, which is introduced into the housing part or onto a surface of the housing part, are electrically connected to each other.
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公开(公告)号：US20210367398A1
公开(公告)日：2021-11-25
申请号：US17397020
申请日：2021-08-09
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Kazuki YAMAOKA , Maiko ARIGA , Yusuke INABA
IPC: H01S5/0239 , H01S5/02253
Abstract: An optical module includes: an optical functional element outputting a first light beam; a first optical part receiving the first light beam, having a predetermined effect on the first light beam, and outputting the affected first light beam as a second light beam; a second optical part receiving the second light beam, having a predetermined effect on the second light beam, outputting the affected second light beam as a third light beam, and reflecting a reflected light beam in a direction not coupled to the first optical part, the reflected light beam being generated from the second light on an incident surface on which the second light beam is incident; a housing accommodating the optical functional element, the first optical part, and the second optical part; and an optical attenuator provided inside the housing and attenuating power of the reflected light beam incident on the optical attenuator.
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公开(公告)号：US20210234331A1
公开(公告)日：2021-07-29
申请号：US17228913
申请日：2021-04-13
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Maiko ARIGA , Yusuke INABA , Kazuki YAMAOKA
Abstract: An optical module includes: at least one optical element; a housing main body that houses therein the at least one optical element; and a plurality of lead pins that are provided to a side wall of the housing main body. Further, at least one of the lead pins is electrically connected to the at least one optical element, and the lead pins are lined up in a plurality of rows along a height direction of the side wall, and are arranged in such a manner that adjacent lead pins do not overlap each other in a top view.
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公开(公告)号：US20240302588A1
公开(公告)日：2024-09-12
申请号：US18667503
申请日：2024-05-17
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Yusuke INABA , Junichi HASEGAWA , Maiko ARIGA , Kazuki YAMAOKA
IPC: G02B6/12 , G02B6/293 , G02B6/42 , H01S5/0239
CPC classification number: G02B6/12007 , G02B6/1203 , G02B6/29398 , G02B6/4228 , G02B6/4244 , G02B6/426 , H01S5/0239 , G02B6/29338 , G02B6/29352 , G02B6/4286
Abstract: An optical module includes: a substrate and a waveguide element having a mount face opposed to the substrate, the waveguide element having an interference waveguide portion having an optical interference function. Further, the mount face includes a projection region to which the interference waveguide portion is projected on the mount face and a non-projection region, and the waveguide element is joined to the substrate with a joint material in the non-projection region.
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公开(公告)号：US20220365310A1
公开(公告)日：2022-11-17
申请号：US17816579
申请日：2022-08-01
Applicant: FURUKAWA ELECTRIC CO., LTD.
Inventor： Yusuke INABA , Takuya KOKAWA , Kazuki YAMAOKA , Ryo OTSUBO
Abstract: An optical device includes: a base including a mounting surface; and an optical component including an optical element part, a support part including a first adhered surface bonded to the mounting surface via a photocurable first adhesive, the support part being configured to support the optical element part, and an optical opening part provided adjacent to the first adhered surface, the optical opening part allowing light for curing the first adhesive to pass through.
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