Patent ID: RE42637

Claim:
A probe card comprising; a circuit board structured to transmit an electric signal to a plurality of probes located on a probe supporting plate that is positioned on a lower face side of said circuit board, with each of the plurality of probes positioned in a vertical direction; where an upper end portion of each of the plurality of probes protrudes upward from the probe supporting plate and contacts said circuit board, and a lower end portion of each of the plurality of probes protrudes downward from the probe supporting plate; where each of said plurality of probes comprises at least an upper portion, a main body portion and a lower portion, where the main body portion comprises a connecting portion with the upper portion positioned substantially at a middle of the connecting portion, and said upper portion includes an upper end portion structured to contact the circuit board and flex when said upper portion contacts said circuit board; a groove formed to position said plurality of probes on an upper face side of said probe supporting plate, where a lower portion of each of said plurality of probes is positioned on a bottom face of said groove and is located in a through-hole; a plurality of concave portions are formed on a side wall upper end portion of said probe supporting plate; and a locking portion structured to engage and lock to said plurality of concave portions is formed on each of said plurality of probes.