Patent ID: 9207260
Filing Date: 2015-12-08
Classification: G01R

Abstract:
1. A probe block, which comprises 1) a conductive base on which a first groove is formed, 2) a pair of signal transmitting probes having dielectric covers and placed parallel to each other in the same one first groove with their dielectric covers being in contact with each other without the conductive base between them to form a balanced transmission line, and 3) a ground probe which is in contact with the conductive base, wherein the first groove has a width equal to two times of the outside diameter of the signal transmitting probe including the thickness of the dielectric cover, and wherein front portions of the signal transmitting probes are bare of the dielectric covers and protrude from the conductive base toward a device under test to form signal transmitting probe needles, and a front portion of the ground probe protrudes from the conductive base toward the device under test to form a ground probe needle.