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公开(公告)号：US20220026703A1
公开(公告)日：2022-01-27
申请号：US17298316
申请日：2019-09-30
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Takashi KASAHARA , Katsumi SHIBAYAMA , Masaki HIROSE , Toshimitsu KAWAI , Hiroki OYAMA , Yumi KURAMOTO
Abstract: An optical filter device includes: a Fabry-Perot interference filter that includes: a first structural body having first and second surfaces; a second structural body having a third surface; a first mirror portion provided to the first structural body; a second mirror portion provided to the second structural body so as to face the first mirror portion via an air gap; a first driving electrode provided to the first structural body; a second driving electrode provided to the second structural body; first and third terminals electrically connected to the first driving electrode; and a second terminal electrically connected to the second driving electrode. A distance between the first driving electrode and the air gap is shorter than a distance between the second surface and the air gap. A resistance measurement unit is electrically connected to the first and third terminals and measures a resistance value of the first driving electrode.
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公开(公告)号：US20210396579A1
公开(公告)日：2021-12-23
申请号：US17288593
申请日：2019-08-23
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Hiroki OYAMA , Katsumi SHIBAYAMA , Takashi KASAHARA , Masaki HIROSE , Toshimitsu KAWAI , Yumi KURAMOTO
Abstract: A spectroscopic sensor includes a wiring substrate having a main surface, a light detector disposed on the main surface of the wiring substrate, a Fabry-Perot interference filter, a spacer which is provided on the main surface of the wiring substrate and supports the Fabry-Perot interference filter so that the Fabry-Perot interference filter and the light detector are separated from each other, and a stein connected to a ground potential. A second current path which has a smaller electric resistance than that of an arbitrary first current path which extends from the Fabry-Perot interference filter to the light detector via the spacer and the wiring substrate is formed between the Fabry-Perot interference filter and the stein.
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公开(公告)号：US20210362351A1
公开(公告)日：2021-11-25
申请号：US16763888
申请日：2018-11-09
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Masaki HIROSE , Katsumi SHIBAYAMA , Takashi KASAHARA , Toshimitsu KAWAI , Hiroki OYAMA , Yumi KURAMOTO
Abstract: A suction method is provided as a method of performing, by using a suction collet, suction of a Fabry-Perot interference filter including: a substrate; a laminated structure that is provided on the substrate and that includes a main surface facing a side opposite to the substrate; and a thinned portion that is located outside the laminated structure when viewed in a direction intersecting the main surface and that is recessed to a side of the substrate with respect to the main surface, the method including: a first step of arranging the suction collet so as to face the main surface; a second step of bringing the suction collet into contact with the Fabry-Perot interference filter after the first step; and a third step of suctioning the Fabry-Perot interference filter by using the suction collet after the second step.
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公开(公告)号：US20210116297A1
公开(公告)日：2021-04-22
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
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.
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公开(公告)号：US20200278272A1
公开(公告)日：2020-09-03
申请号：US16765626
申请日：2018-11-09
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Takashi KASAHARA , Katsumi SHIBAYAMA , Masaki HIROSE , Toshimitsu KAWAI , Hiroki OYAMA , Yumi KURAMOTO
Abstract: An optical inspection device includes: a wafer support unit configured to support a wafer in which a plurality of Fabry-Perot interference filter portions are formed, each of the plurality of filter portions in which a distance between the first mirror portion and the second mirror portion facing each other varies by an electrostatic force, the wafer support unit configured to support the wafer such that a direction in which the first mirror portion and the second mirror portion face each other follows along a reference line; a light emission unit configured to emit light to be incident on each of the plurality of filter portions along the reference line; and a light detection unit configured to detect light transmitted through each of the plurality of filter portions along the reference line. The wafer support unit has a light passage region that allows light to pass along the reference line.
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Patent Agency Ranking
公开(公告)号：US20230118479A1
公开(公告)日：2023-04-20
申请号：US18083074
申请日：2022-12-16
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Hiroki OYAMA , Katsumi SHIBAYAMA , Takashi KASAHARA , Masaki HIROSE , Toshimitsu KAWAI , Yumi KURAMOTO
IPC: G01J3/26 , H01L21/673 , B65D85/48 , H01L21/677 , G02B26/00 , G02B26/02
Abstract: A transportation method for transporting an object including a plurality of Fabry-Perot interference filters, the transportation method including a first step of accommodating the object in an accommodating container, wherein the Fabry-Perot interference filter includes a substrate, a first mirror portion and a second mirror portion provided on the substrate to face each other via a gap and in which a distance from each other is variable, and in the first step, the object is accommodated and supported in the accommodating container in a state where the plurality of Fabry-Perot interference filters is two-dimensionally arranged.
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公开(公告)号：US20210131870A1
公开(公告)日：2021-05-06
申请号：US17126297
申请日：2020-12-18
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Takashi KASAHARA , Katsumi SHIBAYAMA , Masaki HIROSE , Toshimitsu KAWAI , Hiroki OYAMA , Yumi KURAMOTO
IPC: G01J3/26 , B23K26/53 , B23K26/00 , B23K26/064 , B81B3/00 , B81C1/00 , G01J3/02 , G02B5/28 , G02B26/00 , B23K26/06
Abstract: A method of manufacturing a Fabry-Perot interference filter includes a forming step of forming a first thinned region, a first mirror layer, a sacrificial layer, and a second mirror layer are formed on a first main surface of a wafer, and the first thinned region in which at least one of the first mirror layer, the sacrificial layer, and the second mirror layer is partially thinned along each of a plurality of lines is formed; a cutting step of cutting the wafer into a plurality of substrates along each of the plurality of lines by forming a modified region within the wafer along each of the plurality of lines through irradiation of a laser light, after the forming step; and a removing step of removing a portion from the sacrificial layer through etching, between the forming step and the cutting step or after the cutting step.
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18.发明申请公开(公告)号：US20200310112A1
公开(公告)日：2020-10-01
申请号：US16765577
申请日：2018-11-09
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Masaki HIROSE , Katsumi SHIBAYAMA , Takashi KASAHARA , Toshimitsu KAWAI , Hiroki OYAMA , Yumi KURAMOTO
IPC: G02B27/00 , H01L27/144 , H01L31/0203 , H01L31/0216 , H01L31/18 , B08B5/02 , B08B13/00
Abstract: A method for removing a foreign substance according to an embodiment includes: a step of preparing a Fabry-Perot interference filter in which a gap is formed between a portion of a first laminate at least including a first mirror portion and a portion of a second laminate at least including a second mirror portion facing each other so that a distance between the first mirror portion and the second mirror portion facing each other varies by an electrostatic force; a step of detecting a foreign substance adhering to a surface of the second laminate; and a step of blowing air in which an airflow peak position is adjusted on the basis of a position of the detected foreign substance onto the surface of the second laminate and thereby removing the foreign substance from the surface of the second laminate.
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公开(公告)号：US20200309637A1
公开(公告)日：2020-10-01
申请号：US16765564
申请日：2018-11-09
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Takashi KASAHARA , Katsumi SHIBAYAMA , Masaki HIROSE , Toshimitsu KAWAI , Hiroki OYAMA , Yumi KURAMOTO
Abstract: An electrical inspection method includes: a step of preparing a wafer in which a plurality of Fabry-Perot interference filter portions is formed, each of the plurality of Fabry-Perot interference filter portions in which a distance between a first mirror portion and a second mirror portion facing each other varies by an electrostatic force; and a step of inspecting electrical characteristics of each of the plurality of Fabry-Perot interference filter portions.
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公开(公告)号：US20200292386A1
公开(公告)日：2020-09-17
申请号：US16765765
申请日：2018-11-09
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Hiroki OYAMA , Katsumi SHIBAYAMA , Takashi KASAHARA , Masaki HIROSE , Toshimitsu KAWAI , Yumi KURAMOTO
IPC: G01J3/26 , H01L21/673
Abstract: A transportation method for transporting an object including a plurality of Fabry-Perot interference filters, the transportation method including a first step of accommodating the object in an accommodating container, wherein the Fabry-Perot interference filter includes a substrate, a first mirror portion and a second minor portion provided on the substrate to face each other via a gap and in which a distance from each other is variable, and in the first step, the object is accommodated and supported in the accommodating container in a state where the plurality of Fabry-Perot interference filters is two-dimensionally arranged.
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