Patent ID: 9709599
Date: 2017-07-18
CPC Classifications: G01R

Claim:
1. An apparatus comprising: a fixture, wherein the fixture comprises a metal portion, a plastic portion, and a hard plate, and the plastic portion is disposed between the metal portion and the hard plate, wherein the metal portion of the fixture comprises at least one opening; a membrane film comprising a plurality of signal traces; a plurality of needle tips disposed on the membrane film and electrically connected to the signal traces, wherein the needle tips are configured to probe a device-under-test (DUT), the needle tips are wholly cylindrical, and at least one portion of the membrane film is attached to the fixture through a buffer layer that has a compressive compliance and resilience; and a printed circuit board, wherein the fixture and the printed circuit board are fastened by at least one screw passing through the at least one opening of the metal portion of the fixture.