In an aspect, an apparatus includes a package. The package includes a substrate, a plurality of components located on a top surface of the substrate, a plurality of ball pads located on a bottom surface of the substrate, a plurality of balls, and a plurality of test pads located on the bottom surface of the substrate. Individual balls of the plurality of balls are attached to individual ball pads of the plurality of ball pads.

Probe structures, arrays, methods of using probes and arrays, and/or methods for making probes and/or arrays wherein the probes include at least one flat tensional spring segments and in some embodiments include one or both of:(1) narrowed channel passage segments (e.g. by increasing width of plunger elements or by decreasing channel widths) along portions of channel lengths (e.g. not entire channel lengths) to enhance stability or pointing accuracy while still allowing for assembled formation of movable probe elements and/or (2) pairs of joined probes with at least one end of the probe set having independently compressible tips (e.g. as Kelvin probe pairs for use in 4 wire Kelvin probe tests).

Probe structures, arrays, methods of using probes and arrays, and/or methods for making probes and/or arrays wherein the probes include at least one flat tensional spring segments and in some embodiments include one or both of:(1) narrowed channel passage segments (e.g. by increasing width of plunger elements or by decreasing channel widths) along portions of channel lengths (e.g. not entire channel lengths) to enhance stability or pointing accuracy while still allowing for assembled formation of movable probe elements and/or (2) pairs of joined probes with at least one end of the probe set having independently compressible tips (e.g. as Kelvin probe pairs for use in 4 wire Kelvin probe tests).

Disclosed are a probe sheet with a multi-layer contact tip and a method of manufacturing the same capable of improving the design freedom of a contact tip formed on a probe sheet of a probe card for testing a semiconductor device to come in contact with a pad of the semiconductor device. According to the present invention, the design freedom of a contact tip formed on a probe sheet of a probe card for testing a semiconductor device to come in contact with a pad of the semiconductor device can be improved, and since the shape of a contact surface of a contact tip is maintained the same and contact resistance is maintained in an allowable range even when a protective layer coated on the contact tip to increase durability of the contact tip is worn, test reliability of the probe card can be improved.

Disclosed are a probe sheet with a multi-layer contact tip and a method of manufacturing the same capable of improving the design freedom of a contact tip formed on a probe sheet of a probe card for testing a semiconductor device to come in contact with a pad of the semiconductor device. According to the present invention, the design freedom of a contact tip formed on a probe sheet of a probe card for testing a semiconductor device to come in contact with a pad of the semiconductor device can be improved, and since the shape of a contact surface of a contact tip is maintained the same and contact resistance is maintained in an allowable range even when a protective layer coated on the contact tip to increase durability of the contact tip is worn, test reliability of the probe card can be improved.

A chip on film (COF) package in which a predetermined driving integrated circuit (IC) is mounted includes a wiring structure connected to the driving IC, and a test pad connected to the wiring structure, wherein the test pad includes a base film divided into a first region and a second region, and a conductive layer located in the first region, and the second region is surrounded by the first region in a plan view.

Disclosed is a sensing block inspection device thermally fused and laser-welded to be mounted on a battery module to dispose a sensing block including a front and a near so that various inspections are performed through rotation, the sensing block inspection device including: a turntable for rotating a jig member mounted with a sensing block; an insulation resistance inspection unit for performing an insulation resistance inspection on the sensing block; a heat-fusion unit for heat-fusing the sensing block; a laser-welding unit for laser-welding the sensing block; an energization inspection unit for performing an energization inspection on the sensing block; a vision inspection unit for transmitting image information to a control unit; and a barcode adhesive unit for adhering a barcode printing paper to the sensing block, wherein the control unit controls the turntable to allow the jig member to sequentially move to the above components.

Disclosed is a sensing block inspection device thermally fused and laser-welded to be mounted on a battery module to dispose a sensing block including a front and a near so that various inspections are performed through rotation, the sensing block inspection device including: a turntable for rotating a jig member mounted with a sensing block; an insulation resistance inspection unit for performing an insulation resistance inspection on the sensing block; a heat-fusion unit for heat-fusing the sensing block; a laser-welding unit for laser-welding the sensing block; an energization inspection unit for performing an energization inspection on the sensing block; a vision inspection unit for transmitting image information to a control unit; and a barcode adhesive unit for adhering a barcode printing paper to the sensing block, wherein the control unit controls the turntable to allow the jig member to sequentially move to the above components.

The present disclosure includes an adaptive die test socket and a formation method. The die test socket includes an upper test socket and a lower test socket disposed directly below the upper test socket. The upper test socket is connected to a support frame; a strip-shaped through hole is formed on an upper surface of the support frame; a first protruding strip is at each of lower portions of two opposite inner walls of the strip-shaped through hole; a corresponding second protruding strip is at each of upper portions of two opposite side surfaces of the installation plate; and a side of a strip-shaped block is fixedly connected to the upper surface of the support frame, and another side of the strip-shaped block extends to directly above the second protruding strip and is connected to the second protruding strip through at least two springs.

The present disclosure includes an adaptive die test socket and a formation method. The die test socket includes an upper test socket and a lower test socket disposed directly below the upper test socket. The upper test socket is connected to a support frame; a strip-shaped through hole is formed on an upper surface of the support frame; a first protruding strip is at each of lower portions of two opposite inner walls of the strip-shaped through hole; a corresponding second protruding strip is at each of upper portions of two opposite side surfaces of the installation plate; and a side of a strip-shaped block is fixedly connected to the upper surface of the support frame, and another side of the strip-shaped block extends to directly above the second protruding strip and is connected to the second protruding strip through at least two springs.