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

Claim 8:
9. A probe card, comprising:
a probe head;
a first substrate comprising an upper surface, wherein the upper surface comprises a plurality of first contacts;
a second substrate disposed between the probe head and the first substrate, and disposed on the upper surface of the first substrate, wherein the second substrate comprises a lower surface and a side surface; the lower surface of the second substrate faces the upper surface of the first substrate, the lower surface of the second substrate comprises a plurality of second contacts, and each of the second contacts is electrically connected to a corresponding first contact;
a first elastic component disposed between the upper surface of the first substrate and the lower surface of the second substrate, and disposed at an outer side of the second contacts of the second substrate; and
a first adhesive member disposed on the upper surface of the first substrate and annular arranged on the side surface of the second substrate, wherein the first adhesive member is disposed at an outer side of the first elastic component;
wherein a first adhesive force is between the first elastic component and the second substrate, a second adhesive force is between the first adhesive member and the second substrate, and the first adhesive force is less than the second adhesive force.