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1. (WO2018182116) ELECTRIC CONDUCTANCE INSPECTION DEVICE INSTALLED ON PRINTED CIRCUIT BOARD

Pub. No.:    WO/2018/182116    International Application No.:    PCT/KR2017/010078
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Fri Sep 15 01:59:59 CEST 2017
IPC: G01R 1/067
G01R 31/28
Applicants: MICRO-TS CO.,LTD.
(주)마이크로티에스
Inventors: LEE, Ju Hwa
이주화
Title: ELECTRIC CONDUCTANCE INSPECTION DEVICE INSTALLED ON PRINTED CIRCUIT BOARD
Abstract:
The present invention relates to an electric conductance inspection device installed on a printed circuit board, the electric conductance inspection device comprising: a probe pin contacting an inspection device for inspecting the performance of the printed circuit board; a receptacle body containing the probe pin; and a receptacle plunger installed on the printed circuit board so as to retain the receptacle body. The electric conductance inspection device installed on a printed circuit board according to the present invention comprises: a receptacle body having a hollow portion formed to penetrate a part of the lower end and the upper end thereof; a receptacle plunger having an engaging ledge formed on the middle part of the body thereof such that one end portion thereof is inserted into the hollow portion toward the lower end of the receptacle body; and a probe pin inserted into the hollow portion toward the upper end of the receptacle body. The probe pin is characterized by comprising: a column-shaped support rack, the entire body of which is inserted into the hollow portion; a top plunger having a pointed portion formed on one end thereof, a part of the body of the top plunger protruding from the hollow portion; and an elastic member interposed between the support rack and the top plunger.