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    Light detection device
    41.
    发明授权
    Light detection device 有权

    公开(公告)号：US11035726B2

    公开(公告)日：2021-06-15

    申请号：US16488742

    申请日：2018-02-26

    Applicant: HAMAMATSU PHOTONICS K.K.

    Inventor： Takashi Kasahara ,  Katsumi Shibayama ,  Masaki Hirose ,  Toshimitsu Kawai ,  Hiroki Oyama ,  Yumi Kuramoto

    IPC: G01J3/02 ,  G02B19/00 ,  G01J3/26

    Abstract: A light detection device includes a package including a window, a Fabry-Perot interference filter for transmitting light incident from the window in the package, and a light detector for detecting the light transmitted by the Fabry-Perot interference filter in the package. The Fabry-Perot interference filter includes: a substrate having a first surface on the window side and a second surface on the light detector side; a first layer structure arranged on the first surface, the first layer structure having a first mirror and a second mirror; and a lens unit integrally formed on the second surface side, the lens unit for condensing the light transmitted by the first mirror and the second mirror onto the light detector.

    Light-detecting device
    42.
    发明授权
    Light-detecting device 有权

    公开(公告)号：US10895501B2

    公开(公告)日：2021-01-19

    申请号：US16662448

    申请日：2019-10-24

    Applicant: HAMAMATSU PHOTONICS K.K.

    Inventor： Katsumi Shibayama ,  Takashi Kasahara ,  Masaki Hirose ,  Toshimitsu Kawai

    IPC: G01J3/26 ,  G01J3/02

    Abstract: A spectral sensor includes a wiring substrate which has a principal surface; a light detector which is disposed on the principal surface of the wiring substrate and is electrically connected to the wiring substrate; spacer which is disposed around the light detector, on the principal surface of the wiring substrate; and a Fabry-Perot interference filter which has a light transmission region and is disposed on the principal surface of the wiring substrate with the spacer therebetween. The spacer support the Fabry-Perot interference filter in a surrounding region of the light transmission region and the spacer is arranged to form opening communicating with an inner side of the surrounding region and an outer side of the surrounding region, when viewed from a light transmission direction in the light transmission region.

    SURFACE-ENHANCED RAMAN SCATTERING ELEMENT
    46.
    发明申请
    SURFACE-ENHANCED RAMAN SCATTERING ELEMENT 有权
    表面增强拉曼散射元件

    公开(公告)号：US20150212003A1

    公开(公告)日：2015-07-30

    申请号：US14420502

    申请日：2013-08-09

    Applicant: HAMAMATSU PHOTONICS K.K.

    Inventor： Katsumi Shibayama ,  Masashi Ito ,  Takafumi Yokino ,  Masaki Hirose ,  Anna Yoshida ,  Kazuto Ofuji ,  Yoshihiro Maruyama ,  Takashi Kasahara ,  Toshimitsu Kawai ,  Toru Hirohata ,  Hiroki Kamei ,  Hiroki Oyama

    IPC: G01N21/65 ,  G01N21/03

    CPC classification number: G01N21/658 ,  B82Y40/00 ,  G01N21/03 ,  G01N2201/068

    Abstract: A SERS element comprises a substrate having a front face; a fine structure part formed on the front face and having a plurality of pillars; and a conductor layer formed on the fine structure part and constituting an optical function part for generating surface-enhanced Raman scattering. The conductor layer has a base part formed along the front face and a plurality of protrusions protruding from the base part at respective positions corresponding to the pillars. The base part is formed with a plurality of grooves surrounding the respective pillars when seen in the projecting direction of the pillars, while an end part of the protrusion is located within the groove corresponding thereto.

    Abstract translation: SERS元件包括具有正面的基板; 形成在前表面上并具有多个支柱的精细结构部件; 以及形成在微细结构部分上并构成用于产生表面增强拉曼散射的光学功能部分的导体层。 导体层具有沿着前表面形成的基部和在与支柱对应的各个位置处从基部突出的多个突起。 当沿柱的突出方向观察时，基部形成有围绕相应柱的多个槽，而突起的端部位于与其对应的槽内。

    Light-detecting device
    49.
    发明授权
    Light-detecting device 有权

    公开(公告)号：US10775238B2

    公开(公告)日：2020-09-15

    申请号：US16059744

    申请日：2018-08-09

    Applicant: HAMAMATSU PHOTONICS K.K.

    Inventor： Katsumi Shibayama ,  Takashi Kasahara ,  Masaki Hirose ,  Toshimitsu Kawai

    IPC: G01J3/26 ,  G01J3/02

    Abstract: A spectral sensor includes a wiring substrate which has a principal surface; a light detector which is disposed on the principal surface of the wiring substrate and is electrically connected to the wiring substrate; spacer which is disposed around the light detector, on the principal surface of the wiring substrate; and a Fabry-Perot interference filter which has a light transmission region and is disposed on the principal surface of the wiring substrate with the spacer therebetween. The spacer support the Fabry-Perot interference filter in a surrounding region of the light transmission region and the spacer is arranged to form opening communicating with an inner side of the surrounding region and an outer side of the surrounding region, when viewed from a light transmission direction in the transmission region.

    Fabry-Perot interference filter
    50.
    发明授权
    Fabry-Perot interference filter 有权

    公开(公告)号：US10591715B2

    公开(公告)日：2020-03-17

    申请号：US15117757

    申请日：2015-02-03

    Applicant: HAMAMATSU PHOTONICS K.K.

    Inventor： Katsumi Shibayama ,  Takashi Kasahara ,  Masaki Hirose ,  Toshimitsu Kawai

    IPC: G02B26/00 ,  G02B5/28 ,  G01J3/26

    Abstract: A Fabry-Perot interference filter includes a fixed mirror and a movable mirror disposed opposite to the fixed mirror via a gap, distance between the fixed mirror and the movable in a light transmission region being adjusted by electrostatic force. A plurality of first annular grooves surrounding the light transmission region and a plurality of first through-holes opening to the gap side and the opposite side are formed at a surrounding portion surrounding the light transmission region in the movable mirror.

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