Patent ID: 11913973
Assignee: CHUNGHWA PRECISION TEST TECH. CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A cantilever probe card device, comprising:
a substrate; and
a plurality of focusing probes fixed to the substrate, wherein each of the focusing probes includes:
a soldering segment having a first end and a second end that is opposite to the first end, wherein the first end is soldered onto the substrate;
a testing segment spaced apart from the soldering segment along an arrangement direction, wherein the testing segment has a needle tip, an outer edge, and an inner edge that is opposite to the outer edge;
two outer elastic arms spaced apart from each other, wherein each of the two outer elastic arms has two end portions respectively connected to the second end of the soldering segment and the inner edge of the testing segment; and
a focusing portion connected to the inner edge and located between the needle tip and the two outer elastic arms, wherein the focusing portion has a plurality of focusing points arranged on one side thereof away from the two outer elastic arms,

wherein, in each of the focusing probes, the needle tip and the focusing points are configured to respectively form observation points in an observation process of a detecting apparatus for obtaining a position of the needle tip;
wherein, in each of the focusing probes, the needle tip is arranged in closer proximity to the outer edge than the inner edge, and the inner edge has a notch arranged on a position between the needle tip and one of the focusing points that is arranged adjacent to the needle tip.