Patent ID: 7579850

Claim:
A probe card, comprising: a base plate having electronic circuit and provided with a hole; a plurality of probes, where each probe is provided with a main body; a fixing ring provided with a hole centrally, where the outer wall of its bottom is for connecting the probes thereon, and the fixing ring is spaced from the probes in a certain distance, so that when the fixing ring is inserted through the hole of the base plate, the anterior ends of main bodies of the probes are in electronic connection with the base plate or an outer circuit while the terminal ends of main bodies of the probes are located under the hole of the fixing ring; and a fixing member connected to the hole of the fixing ring, where the terminal end of the fixing member protrudes out of the hole of the fixing ring, so that a micro strip line is formed as gaps separating the terminal end of the fixing member and the terminal ends of the probes.