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公开(公告)号：US20240302409A1
公开(公告)日：2024-09-12
申请号：US18666102
申请日：2024-05-16
Applicant: NHK Spring Co, Ltd.
Inventor： Tsuyoshi Inuma , Hiroshi Nakayama , Shuji Takahashi
CPC classification number: G01R1/06722 , G01R1/06733 , G01R1/073 , H01B11/1895
Abstract: A measurement unit includes: a ground portion forming a part of a line configured to provide continuity for grounding electric potential, the ground portion including a surface forming a plane at one end of the ground portion; a signal portion forming a part of a line configured to provide continuity for a signal for measurement, the signal portion including an end portion configured to come out in a plane that is same as the plane of the ground portion; an insulative dielectric portion provided between the ground portion and the signal portion; an electrically conductive first contact probe configured to expand and contract along a longitudinal axis, the first contact probe coming into contact with the signal portion; and an electrically conductive second contact probe configured to expand and contract along a longitudinal axis, the second contact probe coming into contact with the ground portion.
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公开(公告)号：US20220196704A1
公开(公告)日：2022-06-23
申请号：US17547400
申请日：2021-12-10
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Hiroshi Nakayama , Shuji Takahashi
Abstract: A measurement unit includes: a ground portion forming a part of a line configured to provide continuity for grounding electric potential, the ground portion including a surface forming a plane at one end of the ground portion; a signal portion forming a part of a line configured to provide continuity for a signal for measurement, the signal portion including an end portion configured to come out in a plane that is same as the plane of the ground portion; an insulative dielectric portion provided between the ground portion and the signal portion; an electrically conductive first contact probe configured to expand and contract along a longitudinal axis, the first contact probe coming into contact with the signal portion; and an electrically conductive second contact probe configured to expand and contract along a longitudinal axis, the second contact probe coming into contact with the ground portion.
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公开(公告)号：US11293946B2
公开(公告)日：2022-04-05
申请号：US16618930
申请日：2018-06-14
Applicant: NHK Spring Co., Ltd.
Inventor： Kohei Hironaka , Tsuyoshi Inuma
Abstract: A conductive contactor unit includes: a signal conductive contactor configured to input or output a signal to or from a predetermined circuit structure, the signal conductive contactor including a first plunger, a second plunger, and a spring member; and a conductive contactor holder configured to house the signal conductive contactor used for inputting and outputting the signal to and from the predetermined circuit structure, the conductive contactor holder having a coaxial structure with the signal conductive contactor, and including a holder substrate including an opening configured to allow the signal conductive contactor to be inserted therethrough, a holding member housed in the opening, and including a holding hole configured to hold one or more of the signal conductive contactors, and a stab configured to form a hollow space extending from the holding hole in a direction perpendicular to a central axis of the holding hole.
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公开(公告)号：US20250035699A1
公开(公告)日：2025-01-30
申请号：US18911750
申请日：2024-10-10
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Shuji Takahashi , Kazuya Soma , Takashi Nidaira , Yuya Hironaka
Abstract: A probe unit includes: a plurality of first contact probes each coming into contact with an electrode to be contacted on one end side in a longitudinal direction; a second contact probe connected to an external ground; and a probe holder configured to hold the first and second contact probes, the probe holder including a first hollow portion configured to allow the first contact probes to be inserted therethrough and hold the first contact probes, a second hollow portion configured to allow the second contact probe to be inserted therethrough and hold the second contact probe, and a through-hole provided around the first hollow portion, wherein the probe holder includes a conductive portion that constitutes the through-hole and electrically connects the through-hole and the second contact probe.
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公开(公告)号：US20230138105A1
公开(公告)日：2023-05-04
申请号：US17911827
申请日：2021-03-17
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Shuji Takahashi , Kazuya Soma , Takashi Nidaira , Yuya Hironaka
Abstract: A probe unit includes: a plurality of first contact probes each coming into contact with an electrode to be contacted on one end side in a longitudinal direction; a second contact probe connected to an external ground; and a probe holder configured to hold the first and second contact probes, the probe holder including a first hollow portion configured to allow the first contact probes to be inserted therethrough and hold the first contact probes, a second hollow portion configured to allow the second contact probe to be inserted therethrough and hold the second contact probe, and a through-hole provided around the first hollow portion, wherein the probe holder includes a conductive portion that constitutes the through-hole and electrically connects the through-hole and the second contact probe.
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Patent Agency Ranking
公开(公告)号：US20220018877A1
公开(公告)日：2022-01-20
申请号：US17294844
申请日：2019-11-26
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Shuji Takahashi
Abstract: A probe unit includes: a first contact probe configured to come in contact with a signal electrode; a second contact probe configured to come in contact with a ground electrode; a probe holder including a first holder hole through which the first contact probe passes, and a second holder hole through which the second contact probe passes; and a conductive floating member including a first through hole to which the first contact probe is inserted and the signal electrode is inserted, and a second through hole to which the second contact probe is inserted and the ground electrode is inserted. The probe holder is configured such that at least an inner circumferential surface of the first holder hole has an insulating property, and the probe unit has a coaxial structure in which central axes of the first contact probe and the first through hole are aligned with each other.
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公开(公告)号：US11994535B2
公开(公告)日：2024-05-28
申请号：US17294844
申请日：2019-11-26
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Shuji Takahashi
CPC classification number: G01R1/07371 , G01R1/06722 , G01R1/06772 , G01R31/2886
Abstract: A probe unit includes: a first contact probe configured to come in contact with a signal electrode; a second contact probe configured to come in contact with a ground electrode; a probe holder including a first holder hole through which the first contact probe passes, and a second holder hole through which the second contact probe passes; and a conductive floating member including a first through hole to which the first contact probe is inserted and the signal electrode is inserted, and a second through hole to which the second contact probe is inserted and the ground electrode is inserted. The probe holder is configured such that at least an inner circumferential surface of the first holder hole has an insulating property, and the probe unit has a coaxial structure in which central axes of the first contact probe and the first through hole are aligned with each other.
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公开(公告)号：US11782074B2
公开(公告)日：2023-10-10
申请号：US17295187
申请日：2019-11-26
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Kazuya Soma
CPC classification number: G01R1/07314 , G01R1/06722 , G01R1/06772
Abstract: A probe unit includes: first contact probes each coming into contact with a target electrode on one end side in a longitudinal direction; a second contact probe connected to an external ground; a signal pipe disposed around each first contact probes; a ground member provided around each signal pipe and configured to form an air layer with the signal pipe; a probe holder including a plate-shaped first and second members; a first wiring part provided at least on a front surface of the first member and electrically connected to the second contact probe; a second wiring part provided at least on a front surface of the second member and electrically connected to the second contact probe; a first conductive unit configured to electrically connect the first wiring part and the ground member; and a second conductive unit configured to electrically connect the second wiring part and the ground member.
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公开(公告)号：US20220011345A1
公开(公告)日：2022-01-13
申请号：US17295187
申请日：2019-11-26
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Kazuya Soma
Abstract: A probe unit includes: first contact probes each coming into contact with a target electrode on one end side in a longitudinal direction; a second contact probe connected to an external ground; a signal pipe disposed around each first contact probes; a ground member provided around each signal pipe and configured to form an air layer with the signal pipe; a probe holder including a plate-shaped first and second members; a first wiring part provided at least on a front surface of the first member and electrically connected to the second contact probe; a second wiring part provided at least on a front surface of the second member and electrically connected to the second contact probe; a first conductive unit configured to electrically connect the first wiring part and the ground member; and a second conductive unit configured to electrically connect the second wiring part and the ground member.
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公开(公告)号：US12188977B2
公开(公告)日：2025-01-07
申请号：US17911827
申请日：2021-03-17
Applicant: NHK Spring Co., Ltd.
Inventor： Tsuyoshi Inuma , Shuji Takahashi , Kazuya Soma , Takashi Nidaira , Yuya Hironaka
Abstract: A probe unit includes: a plurality of first contact probes each coming into contact with an electrode to be contacted on one end side in a longitudinal direction; a second contact probe connected to an external ground; and a probe holder configured to hold the first and second contact probes, the probe holder including a first hollow portion configured to allow the first contact probes to be inserted therethrough and hold the first contact probes, a second hollow portion configured to allow the second contact probe to be inserted therethrough and hold the second contact probe, and a through-hole provided around the first hollow portion, wherein the probe holder includes a conductive portion that constitutes the through-hole and electrically connects the through-hole and the second contact probe.
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