Patent ID: 9310395
Filing Date: 2016-04-12
CPC Classification: G01R

Claim Text:
1. A probe member for a pogo pin used for testing a semiconductor device, with a first end and at least part of a middle portion of the probe member telescopically cooperating with a cylindrical body and supported by an elastic member, and an upper second end of the probe member for contacting a terminal of the semiconductor device to be tested, the probe member comprising: an elongate body having a first end, a spaced apart second end and a middle portion aligned along an common axis; wherein the upper second end of the elongate body is provided with a plurality of first projections adjacent the axis for contacting the terminal of the semiconductor device to be tested and a plurality of second projections located radially outboard of the first projections and spaced about the axis; and wherein the plurality of first projections provide contact with the terminal of the semiconductor device during testing and the second projections have an inwardly sloped guide surfaces to guide the terminal of the semiconductor device toward the first projections during installation.