Patent ID: 7859280
Filing Date: 2010-12-28
Classification: G01R

Abstract:
1. A probe card comprising: an installation member having a bottom surface to which probe tips are provided for electrically contacting a test object; a printed circuit board (PCB) having top and bottom surfaces on which electrically connected pads are disposed, respectively; interconnection members disposed between the installation member and the PCB to electrically connect the pad disposed on the bottom surface of the PCB with the probe tips; a reinforcement member disposed over the PCB to define a space between the reinforcement member and the PCB and coupled with the PCB; a contact member provided into the space and having a top surface partially or entirely contacting the reinforcement member; a connect member inserted into an insert hole formed at the PCB to couple the contact member with the installation member; and a plurality of control members inserted into control holes formed at the installation member, the PCB, and the reinforcement member for controlling the level of the installation member and fixing the installation member to the PCB, wherein an insertion depth of the respective control members is finely adjustable.