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公开(公告)号：US11075315B2
公开(公告)日：2021-07-27
申请号：US16386604
申请日：2019-04-17
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Masahiro Hitaka , Akio Ito , Tatsuo Dougakiuchi , Kazuue Fujita , Tadataka Edamura
IPC: H01L31/18 , H01L31/173 , H01S5/34 , H01L31/0352 , H01L31/0224 , H01S5/02 , H01S5/22 , H01S5/042 , H01S5/343 , H01L31/0304 , G01N21/25 , H01S5/026
Abstract: An optical semiconductor element includes a semiconductor substrate, a first laminated structure provided on a front surface of the semiconductor substrate, and a second laminated structure provided on the front surface of the semiconductor substrate, the first laminated structure includes a first quantum cascade region, the second laminated structure includes a dummy region having the same layer structure as the first quantum cascade region, a second quantum cascade region provided on the front surface of the semiconductor substrate via the dummy region, and one of the first quantum cascade region and the second quantum cascade region is a quantum cascade laser, and the other of the first quantum cascade region and the second quantum cascade region is a quantum cascade detector.
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公开(公告)号：USD899284S1
公开(公告)日：2020-10-20
申请号：US29684296
申请日：2019-03-20
Applicant: HAMAMATSU PHOTONICS K.K.
Designer： Tatsuo Dougakiuchi , Akio Ito , Masahiro Hitaka , Tadataka Edamura
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公开(公告)号：USD899279S1
公开(公告)日：2020-10-20
申请号：US29684290
申请日：2019-03-20
Applicant: HAMAMATSU PHOTONICS K.K.
Designer： Tatsuo Dougakiuchi , Akio Ito , Masahiro Hitaka , Tadataka Edamura
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公开(公告)号：US09909980B2
公开(公告)日：2018-03-06
申请号：US15294882
申请日：2016-10-17
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Akio Ito , Tatsuo Dougakiuchi , Tadataka Edamura
CPC classification number: G01N21/39 , G01N2021/399 , H01S5/0264 , H01S5/22 , H01S5/3401 , H01S2301/176
Abstract: A fluid analyzer includes a substrate, a quantum cascade laser formed on a surface of the substrate and including a first light-emitting surface and a second light-emitting surface facing each other, a first quantum cascade detector formed on the surface and including the same layer structure as the quantum cascade laser and a first light incident surface facing the first light-emitting surface, a second quantum cascade detector formed on the surface and including the same layer structure as the quantum cascade laser and a second light incident surface facing the second light-emitting surface, and a resin member covering at least the second light-emitting surface and the second light incident surface and having optical transparency and an electrical insulation property. A first space in which a fluid to be analyzed is disposed is provided in a first area between the first light-emitting surface and the first light incident surface.
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公开(公告)号：US10439363B2
公开(公告)日：2019-10-08
申请号：US16121825
申请日：2018-09-05
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Akio Ito , Kazuue Fujita , Daisuke Kawaguchi , Tatsuo Dougakiuchi , Tadataka Edamura
Abstract: A method of manufacturing a quantum cascade laser beam source (1) includes: preparing a semiconductor stacked body (20); forming a pair of first excavated portions (41 and 42) and a ridge portion which is interposed between the pair of first excavated portions (41 and 42); forming channel structures (51 and 52) and circumferential edge portions (61 and 62) which are formed to interpose the channel structures (51 and 52) between the ridge portion (30) and the circumferential edge portion; forming an electrode pattern (81) in contact with a first area (29a) and forming an electrode pattern (82) in contact with a second area (22a); fixing a crystal growth surface side to a support substrate (91); removing an Fe-doped (semi-insulating) InP single-crystal substrate (21); fixing a Si substrate (93); and peeling the support substrate (91).
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Patent Agency Ranking
公开(公告)号：US12119612B2
公开(公告)日：2024-10-15
申请号：US17414070
申请日：2019-12-11
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Akio Ito , Yoshitaka Kurosaka , Masahiro Hitaka , Kazuyoshi Hirose , Tadataka Edamura
CPC classification number: H01S5/026 , H01S5/0236 , H01S5/04254 , H01S5/04256 , H01S5/11 , H01S5/34333 , G06F30/10 , H01S5/3436
Abstract: The light-emitting element of an embodiment outputs a clear optical image while suppressing light output efficiency reduction, and includes a substrate, a light-emitting unit, and a bonding layer. The light-emitting unit has a semiconductor stack, including a phase modulation layer, between first and second electrodes. The phase modulation layer has a base layer and modified refractive index regions, and includes a first region having a size including the second electrode, and a second region. Each gravity center of the second region's modified refractive index region is arranged by an array condition. The light from the stack is a single beam, and regarding a first distance from the substrate to the stack's front surface and a second distance from the substrate to the stack's back surface, a variation amount of the first distance along a direction on the substrate is smaller than a variation amount of the second distance.
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公开(公告)号：USD960009S1
公开(公告)日：2022-08-09
申请号：US29750378
申请日：2020-09-14
Applicant: HAMAMATSU PHOTONICS K.K.
Designer： Tatsuo Dougakiuchi , Akio Ito , Masahiro Hitaka , Tadataka Edamura
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公开(公告)号：USD960007S1
公开(公告)日：2022-08-09
申请号：US29749999
申请日：2020-09-10
Applicant: HAMAMATSU PHOTONICS K.K.
Designer： Tatsuo Dougakiuchi , Akio Ito , Masahiro Hitaka , Tadataka Edamura
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公开(公告)号：USD892657S1
公开(公告)日：2020-08-11
申请号：US29684297
申请日：2019-03-20
Applicant: HAMAMATSU PHOTONICS K.K.
Designer： Tatsuo Dougakiuchi , Akio Ito , Masahiro Hitaka , Tadataka Edamura
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10.发明授权公开(公告)号：US12119613B2
公开(公告)日：2024-10-15
申请号：US16985916
申请日：2020-08-05
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Atsushi Sugiyama , Akio Ito , Tadataka Edamura
CPC classification number: H01S5/0287 , G02B1/113 , H01S5/166 , H01S5/3402 , H01S5/12 , H01S5/22
Abstract: A sintered body of the present invention includes cerium oxide and cerium fluoride or yttrium fluoride.
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