G01R1/0735

Probe card for high frequency applications
11415600 · 2022-08-16 · ·

A probe card for testing a device under test having a plurality of contact pads includes a support plate having first contact pads thereon. A flexible membrane has a first face and a peripheral portion including second contact pads thereon. A plurality of contact probes are associated with a first face of the flexible membrane and are configured to abut onto the plurality of contact pads of the device under test. A sliding contact area includes: the first contact pads formed on the support plate; the second contact pads formed on the peripheral portion of the flexible membrane, the peripheral portion of the flexible membrane configured to come in pressing contact onto the support plate at the sliding contact area. A pressing element contacts the peripheral portion of the flexible membrane at the sliding contact area, and the pressing element puts the second contact pads into pressing contact with the first contact pads.

Device and method for processing a multiplicity of semiconductor chips

A device for processing a multiplicity of semiconductor chips in a wafer assemblage includes an electrically conductive carrier for contacting rear contacts of the semiconductor chips, an electrically conductive film for contacting front contacts of the semiconductor chips that are situated opposite the rear contacts, and a squeegee, which is displaceable relative to the film and is configured to press a region of the film in the direction toward the carrier.

Power interface

The present disclosure relates to a power interface, and more particularly, to a power interface for electrically connecting an object to be tested and a test driving unit. The electric power interface in accordance with an exemplary embodiment includes: a support member; an elastic member fixed to the support member and configured to provide an elastic force in a vertical direction; a first connection terminal disposed on the elastic member; a second connection terminal electrically connected to the first connection terminal; and a flexible sheet has one side fixed to the elastic member and the other side fixed to the support member to restrict a deformation range of the elastic member.

Split thin-film probe card

A split thin-film probe card and an elastic module thereof are provided. The elastic module includes an elastic cushion and a thin-film sheet. The elastic cushion has a plurality of partition slots so as to define a plurality of independent elastic segments. The thin-film sheet includes a carrier, a plurality of signal circuits disposed on the carrier, and a plurality of conductive protrusions that are respectively formed on the signal circuits. The carrier has a plurality of grooves so as to divide the carrier into a plurality of action segments respectively disposed on the independent elastic segments. The signal circuits are respectively disposed on the action segments. When any one of the conductive protrusions is pressed, only the corresponding independent elastic segment is deformed through the corresponding signal circuit and the corresponding action segment.

Probe card device

A probe card device includes a probe head including a plurality of pins, wherein each of the pins includes a body, a first metal layer formed on the body, and a second metal layer covering the first metal layer; a multi-layered flexible board electrically connected to the pins; a support plate, the multi-layered flexible board disposed on a first surface of the support plate; and a circuit board electrically connected to the multi-layered flexible board.

PROXIMITY DETECTION FOR ASSESSING SENSING PROBE ATTACHMENT STATE

A sensor assembly and sensing method is provided for proximity detection for assessing an attachment state of a sensing probe with respect to a subject. A probe is coupled to an electronic probe controller. The probe includes a proximity sensor having a passive energy storing circuit element, and a biological sensor receptacle configured to receive a biological sensor for sensing a biological characteristic of an object. The electronic probe controller excites a circuit network incorporating the proximity sensor with an excitation signal and determines a characteristic of the circuit network that is excited by the excitation signal. The electronic probe controller further generates a proximity indication indicating whether the probe is attached to the object based on the characteristic of the circuit network.

SPLIT THIN-FILM PROBE CARD AND ELASTIC MODULE THEREOF
20210325430 · 2021-10-21 ·

A split thin-film probe card and an elastic module thereof are provided. The elastic module includes an elastic cushion and a thin-film sheet. The elastic cushion has a plurality of partition slots so as to define a plurality of independent elastic segments. The thin-film sheet includes a carrier, a plurality of signal circuits disposed on the carrier, and a plurality of conductive protrusions that are respectively formed on the signal circuits. The carrier has a plurality of grooves so as to divide the carrier into a plurality of action segments respectively disposed on the independent elastic segments. The signal circuits are respectively disposed on the action segments. When any one of the conductive protrusions is pressed, only the corresponding independent elastic segment is deformed through the corresponding signal circuit and the corresponding action segment.

Thin-film probe card and test module thereof

A thin-film probe card and a test module thereof are provided. The test module includes a carrying unit, a plurality of vertical probes fixed in position by the carrying unit, an elastic cushion disposed on the carrying unit, and a thin sheet. The thin sheet includes a carrier partially disposed on the elastic cushion, a plurality of signal circuits disposed on the carrier, and a plurality of electrically conductive protrusions that are respectively formed on the signal circuits. An end of the vertical probes is arranged at an inner side of the electrically conductive protrusions and is coplanar with free ends of the electrically conductive protrusions.

Probe card for high-frequency applications
11112431 · 2021-09-07 · ·

A probe card of a testing apparatus of electronic devices comprises a testing head, which houses a plurality of contact elements extending along a longitudinal axis between a first end portion and a second end portion, a support plate, onto which the first end portion is adapted to abut, and a flexible membrane. Suitably, the testing head is arranged between the support plate and a first portion of the flexible membrane, which is connected to the support plate through a second portion thereof, the probe card further comprising a plurality of contact tips arranged on a first face of the flexible membrane at the first portion thereof, the second end portion of each contact element being apt to abut onto a second face of the flexible membrane, opposite to the first face, the number and distribution of the contact elements being different to the number and distribution of the contact tips.

Conduction inspection device member and conduction inspection device

Provided is a conduction inspection device member, wherein cracks and voids are less likely to form in conductive parts, conduction performance is less likely to be impaired even when a conduction test is repeated, and contact marks are less likely to remain in the portion of the member in contact with a member to be tested. Also provided is a conduction inspection device comprising the conduction inspection device member. The conduction inspection device member comprises a substrate 13, through holes 11, and conductive parts 12. The multiple through holes 11 are arranged in the substrate 13, the conductive parts 12 are housed inside the through holes 11, and the conductive parts 12 contain conductive particles 2. The conductive particles 2 each comprise a substrate particle 21 and a conductive layer 22 on the surface of the substrate particle 21. The conductive layer 22 has multiple protrusions 23 on the outer surface thereof.