Patent ID: 8310255
Filing Date: 2012-11-13
Classification: G01R,H01R

Abstract:
1. A sensing probe for measuring an electrical performance of a semiconductor device, comprising: a barrel with a cylindrical shape, said barrel providing a projection in an inner surface thereof; an elastic member set within said barrel; and a plunger with a rod shape, said plunger being movable within said barrel along an axis of said barrel and having a groove in a groove area, said groove being continuous in a circumference of said plunger by iterating a unit pattern including a front groove and a rear groove, wherein said plunger rotates when said projection of said barrel slides within said front groove as said plunger is pushed into said barrel by said plunger in a tip thereof coming in contact with said semiconductor device, and said projection slides within said rear groove formed in next unit pattern as said plunger is pushed out from said barrel by a force of said elastic member.