Patent ID: 11879913
Assignee: XINZHUO TECHNOLOGY (ZHEJIANG) CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A probe card structure, comprising:
a circuit board;
an adapter board disposed on one side of the circuit board, a plurality of electrically conductive pillars formed on one surface of the adapter board that faces the circuit board, a solder ball disposed on one end of each of the plurality of electrically conductive pillars facing the circuit board;
a probe head assembly including a plurality of probes, the probe head assembly coupled to the adapter board, and the plurality of probes electrically connected to the adapter board; and
an interposer board disposed between the adapter board and the circuit board, wherein a plurality of second electrically conductive pillars are formed on one surface of the interposer board facing the circuit board, a second solder ball is disposed on one end of each of the plurality of second electrically conductive pillars facing the circuit board, and the interposer board is soldered to the circuit board through the plurality of second solder balls of the second electrically conductive pillars;
wherein the adapter board is soldered to the interposer board through the plurality of solder balls of the plurality of electrically conductive pillars, and
wherein each of the electrically conductive pillars has a same size and each of the second electrically conductive pillars has a same size.