Patent ID: 11965912
Assignee: XINGR TECHNOLOGIES (ZHEJIANG) LIMITED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A probe card device, comprising:
at least one upper guide plate, the at least one upper guide plate having a plurality of first through holes;
at least one lower guide plate, the at least one lower guide plate being disposed under and parallel to the at least one upper guide plate, wherein the at least one lower guide plate has a plurality of second through holes, and the first through holes respectively correspond to the second through holes; and
a plurality of probes respectively passing through the first through holes and the second through holes, each of the probes including:
a main body;
a contacting portion connected to one end of the main body, the contacting portion being exposed under the at least one lower guide plate;
a head portion connected to another end of the main body, the head portion being exposed above the at least one upper guide plate; and
a neck portion connected between the main body and the head portion, the neck portion being exposed above the at least one upper guide plate,
wherein each of any two of the probes that are adjacent to each other has a protrusion portion formed only on one side of the neck portion faced away from each other, another side of the neck portion of each of any two of the probes is not provided with a protruding object, the protrusion portion and the main body form an included angle, and the protrusion portion is asymmetrically disposed in an opposite direction of the main body;
wherein the protrusion portion has a thickness, and a spacing between any two of the probes that are adjacent to each other is less than the thickness of the protrusion portion;
wherein a width of the neck portion along a protrusion direction is greater than a width of the first through hole,
wherein the another side of the neck portion is recessed to form a recessed portion.