Patent ID: 11874313
Assignee: MPI CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The probe card according to claim 1, wherein,
the second substrate further comprises an upper surface and an inner wire, and the upper surface of the second substrate comprises a plurality of fourth contacts;
the probe card further comprises:
a third substrate disposed between the probe head and the second substrate and disposed on the upper surface of the second substrate, wherein the third substrate comprises a lower surface and a side surface; the lower surface of the third substrate faces the upper surface of the second substrate, the lower surface of the third substrate comprises a plurality of third contacts, and the internal wire is electrically connected to each of the first contacts, a corresponding second contact, a corresponding third contact, and a corresponding fourth contact;
a second elastic component disposed on the upper surface of the second substrate and the lower surface of the third substrate, and disposed at an outer side of the third contacts of the third substrate; and
a second adhesive member disposed on the upper surface of the second substrate and annularly arranged on the side surface of the third substrate, wherein the second adhesive member is disposed at an outer side of the second elastic component.