公开(公告)号：US11320461B2

公开(公告)日：2022-05-03

申请号：US16629147

申请日：2018-07-12

Applicant: NHK Spring Co., Ltd.

Inventor： Kohei Hironaka ,  Tsuyoshi Inuma ,  Shuji Takahashi

IPC: G01R1/073 ,  G01R1/067 ,  G01R31/28 ,  H01R13/24 ,  H01R13/6473

Abstract: A probe unit includes: a plurality of contact probes each of which has one end that is brought into contact with a contacting electrode, the one end being an end in a longitudinal direction; a first ground member connected to an external ground; a second ground member provided around each of the contact probes; a connecting member electrically connected to the first ground member, and electrically connected to one end of the second ground member; and a probe holder configured to hold the contact probes, the first ground member, the second ground member and the connecting member.

公开(公告)号：US20200225265A1

公开(公告)日：2020-07-16

申请号：US16629147

申请日：2018-07-12

Applicant: NHK Spring Co., Ltd.

Inventor： Kohei Hironaka ,  Tsuyoshi Inuma ,  Shuji Takahashi

IPC: G01R1/073 ,  G01R31/28 ,  H01R13/6473 ,  H01R13/24 ,  G01R1/067

Abstract: A probe unit includes: a plurality of contact probes each of which has one end that is brought into contact with a contacting electrode, the one end being an end in a longitudinal direction; a first ground member connected to an external ground; a second ground member provided around each of the contact probes; a connecting member electrically connected to the first ground member, and electrically connected to one end of the second ground member; and a probe holder configured to hold the contact probes, the first ground member, the second ground member and the connecting member.