Patent ID: 7880490

Claim:
A wireless interface probe card for a semiconductor testing apparatus, comprising: a substrate member including a plurality of probe terminals having a predefined pitch, the probe terminals capable of directly contacting a plurality of pads, the pads having the predefined pitch, the pads being arranged on each of a plurality of semiconductor chips on a wafer to perform a test of the semiconductor chips; and a plurality of transmission members constructed and arranged on the substrate member to wirelessly receive a plurality of test signals, to provide the received test signals to the pads through corresponding probe terminals, and to wirelessly transmit electrical characteristics of at least one of the semiconductor chips received via the pads through corresponding probe terminals, wherein the plurality of transmission members comprise: a plurality of respective transceivers arranged on the substrate member and respectively corresponding to the probe terminals; and a plurality of antennas, each antenna corresponding to one of the transceivers, wherein each of the transceivers comprises: a receiving portion that comprises: a first filter configured to filter at least one of the test signals received by an antenna of the plurality of antennas, a first amplifier configured to amplify an output signal of the first filter, and a demodulator configured to demodulate an output signal of the first amplifier and to provide a demodulated output signal to a probe terminal of the plurality of probe terminals; a transmission portion that comprises: a modulator configured to modulate at least one of the electrical characteristics of at least one of the semiconductor chips, a second filter configured to filter an output signal of the modulator, and a second amplifier configured to amplify an output signal of the second filter and to provide the amplified output signal to the antenna; a first duplexer configured to transfer the demodulated output signal of the demodulator to the probe terminal during a receiving operation, and to transfer the at least one of the electrical characteristics from the probe terminal to the modulator during a transmission operation; and a second duplexer configured to transfer the at least one of the test signals from the antenna to the first filter during the receiving operation, and to transfer the amplified output signal of the second amplifier to the antenna during the transmission operation.