Patent ID: 6624649
Filing Date: 2003-09-23
Classification: G01R

Abstract:
A prober for a test of a specimen supported on a cooled specimen holder which is carried out in a vacuum chamber, comprising:a probe card formed into a substantially ring-like shape; a plurality of heat insulating members; at least one of said plurality of heat insulating members laminated on to one surface of said probe card so as to be positioned in proximity to an inner peripheral edge of said probe card; and a plurality of probe needles each structured and arranged in a manner to be in contact with said at least one of said plurality of heat insulating members and having a distal end projecting inwardly of said inner peripheral edge of said probe card; wherein each of said plurality of probe needles has a proximal end supported on said one surface of said probe card; wherein at least one of said heat insulating members is attached to said one surface of said probe card by an adhesive; and wherein said plurality of heat insulating members are joined to each other by means of an adhesive, to thereby form a laminate.