WO2021182193A1 - プローブカード - Google Patents
プローブカード Download PDFInfo
- Publication number
- WO2021182193A1 WO2021182193A1 PCT/JP2021/007998 JP2021007998W WO2021182193A1 WO 2021182193 A1 WO2021182193 A1 WO 2021182193A1 JP 2021007998 W JP2021007998 W JP 2021007998W WO 2021182193 A1 WO2021182193 A1 WO 2021182193A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- probe
- head
- probe head
- screw
- wiring board
- Prior art date
Links
- 239000000523 sample Substances 0.000 title claims abstract description 204
- 238000007689 inspection Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 238000012986 modification Methods 0.000 description 20
- 230000004048 modification Effects 0.000 description 20
- 239000011810 insulating material Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920001342 Bakelite® Polymers 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07342—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being at an angle other than perpendicular to test object, e.g. probe card
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07314—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/06705—Apparatus for holding or moving single probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07364—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with provisions for altering position, number or connection of probe tips; Adapting to differences in pitch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
Definitions
- the present invention relates to a probe card.
- continuity inspection may be performed at the wafer level before dicing to detect defective products.
- a probe card accommodating a plurality of conductive contact probes is used to transmit an inspection signal generated and output by the inspection device to the wafer (for example, Patent Document). See 1 and 2).
- the probe card is composed of a contact probe, a thin disk-shaped insulating material, a probe head that houses and holds a plurality of contact probes in a predetermined pattern, and a disk-shaped insulating material, and is an inspection device.
- a wiring board provided with a wiring layer for electrical connection, multiple connectors that are arranged radially with respect to the center of the wiring board, and connect the wiring of the wiring board to the outside, and a highly rigid material. It is provided with a reinforcing member which is formed of the above and is mounted on one surface of the wiring board to reinforce the wiring board. The probe head and the reinforcing member are fastened with screws.
- the protruding screw when a screw protrudes from the probe head due to loosening of the screw, the protruding screw may interfere with the wafer and cause damage to the wafer, or the screw may fall off from the probe head. ..
- the present invention has been made in view of the above, and an object of the present invention is to provide a probe card capable of suppressing protrusion of a screw from a probe head.
- the probe card according to the present invention is a probe card that electrically connects an inspection target and a circuit that generates a signal for inspection, and is conductive.
- a laminated member laminated on the probe head and a fastening member having a screw and a nut for fastening the probe head and the laminated member are provided, and the screw extends the contact probe of the probe head to the outside.
- It has a head provided on the side and a shaft portion that is inserted through the probe head and the laminated member and extends with a diameter smaller than the diameter of the head, and the shaft portion is attached to the probe head. It is characterized in that it is fixed and screwed with the nut on the end side opposite to the head side to fasten the probe head and the laminated member.
- the probe card according to the present invention is characterized in that, in the above invention, the screw is fixed to the probe head by being screwed into the probe head.
- the probe head has a main body portion and a holding portion having an insertion hole through which the shaft portion is inserted and having a higher rigidity than the main body portion. It is characterized by having.
- the probe card according to the present invention is characterized in that, in the above invention, the holding portion is detachable from the probe head.
- the probe card according to the present invention is characterized in that, in the above invention, the probe card is further provided with a second nut which is provided on the side opposite to the head side of the screw in the probe head and is crimped to the probe head. And.
- the probe card according to the present invention is characterized in that, in the above invention, the probe head is formed with a hole for accommodating the head.
- the laminated member is provided on the side of the probe head opposite to the side where the contact probe extends to the outside, and is electrically connected to the inspection target. It is characterized by having a wiring board provided with a wiring layer for the purpose of the above, and a reinforcing member provided on the side of the wiring board opposite to the probe head side to reinforce the strength of the wiring board.
- FIG. 1 is an exploded perspective view showing a configuration of a probe card according to an embodiment of the present invention.
- FIG. 2 is a partial cross-sectional view showing a partial configuration of the probe card shown in FIG.
- FIG. 3 is an enlarged view of the region R shown in FIG.
- FIG. 4 is a partial cross-sectional view of the probe card shown in FIG. 1, and is a diagram for explaining a configuration when wiring boards having different thicknesses are arranged.
- FIG. 5 is a partial cross-sectional view showing the configuration of the probe card according to the first modification of the embodiment of the present invention.
- FIG. 6 is a partial cross-sectional view showing the configuration of the probe card according to the second modification of the embodiment of the present invention.
- FIG. 7 is a partial cross-sectional view showing the configuration of the probe card according to the third modification of the embodiment of the present invention.
- FIG. 1 is an exploded perspective view showing the configuration of the probe card according to the first embodiment of the present invention.
- FIG. 2 is a partial cross-sectional view showing a partial configuration of the probe card shown in FIG.
- FIG. 3 is an enlarged view of the region R shown in FIG.
- the probe card 1 shown in these figures comprises a plurality of conductive contact probes that electrically connect a wafer 100 to be inspected and an inspection device having a circuit structure for generating an inspection signal according to a predetermined pattern. It is a holding device.
- the probe card 1 is composed of a plurality of contact probes 2 (hereinafter, simply referred to as “probe 2”) and an insulating material, and has a probe head 3 for accommodating and holding the plurality of probes 2 in a predetermined pattern, and an insulating material. It is formed by using a wiring board 4 having a wiring layer for electrical connection with an inspection device, a plurality of connectors (not shown) for connecting the wiring of the wiring board 4 to the outside, and a highly rigid material. A screw 7 and a nut which are provided between the probe head 3 and the reinforcing member 6 and which are mounted on one surface of the wiring board 4 to reinforce the strength of the wiring board 4 and fix the two by fastening. 8 and.
- the probe 2 has a long shape and is configured to be stretchable in the longitudinal direction.
- the probe 2 is formed using a conductive material.
- the probe 2 has, for example, a configuration composed of a plunger and a coil spring, a pogo pin, a wire probe that bends a wire in an arch shape to obtain a load, and a conductive member such as a connection terminal (connector) for connecting electrical contacts. It is possible to adopt a configuration in which a pipe member is attached to the tip of the probe, and these probes may be appropriately combined.
- the probe head 3 has a disk shape, and the probe 2 is inserted and held.
- the probe head 3 holds the end of the probe 2 on one end side in contact with the electrode of the wafer 100 so as to be able to move forward and backward with respect to the outside (FIG. 2).
- the probe head 3 includes, for example, a disc-shaped first member through which one end side of the probe 2 is inserted, and a disc-shaped second member through which the other end side of the probe 2 is inserted and having the same diameter as the first member. It is made by stacking. The first member and the second member are fixed to each other by screwing or adhering their respective edge portions.
- the probe head 3 is formed with an insertion hole 31 into which the screw 7 is inserted.
- the insertion hole 31 penetrates between the surface on the wiring board 4 side and the surface on the opposite side.
- the insertion holes 31 are a first hole portion 31a formed on the surface opposite to the wiring board 4 side and a second hole portion 31b formed on the surface on the wiring board 4 side and having a diameter smaller than that of the first hole portion 31a. And have.
- the second hole portion 31b is screwed with the screw 7 and functions as a fixing portion for fixing the screw 7 to the probe head 3.
- the probe head 3 is formed by using an insulating material such as ceramics such as alumina (Al 2 O 3 ) and silicon nitride (Si 3 N 4) and a plastic resin.
- the probe head 3 may be realized by coating the surface of a conductive material such as metal with an insulating film.
- the wiring board 4 is formed by using an insulating material such as bakelite or epoxy resin, and a wiring layer (wiring pattern) for electrically connecting a plurality of probes 2 and an inspection device is three-dimensionally formed by vias or the like. Has been done.
- the wiring board 4 is formed with a hole 41 through which the screw 7 (shaft portion 72) is inserted.
- the hole 41 penetrates between the surface on the probe head 3 side and the surface on the opposite side (reinforcing member 6 side).
- the hole portion 41 has a diameter smaller than the diameter of the first hole portion 31a described above and a diameter larger than the diameter of the second hole portion 31b, and extends in the plate thickness direction.
- the reinforcing member 6 is crimped to the wiring board 4.
- the reinforcing member 6 reinforces the strength of the wiring board 4 against warpage and distortion due to external load and heat, for example.
- the reinforcing member 6 is realized by a highly rigid material such as alumite-treated aluminum, stainless steel, Invar material, Kovar material (registered trademark), and duralumin.
- the reinforcing member 6 is formed with a notch 61 for accommodating the nut 8 and a hole 62 for inserting a part of the shaft portion 72 of the screw 7.
- the hole 62 penetrates between the surface on the wiring board 4 side and the surface on the opposite side.
- the diameter of the hole 62 is, for example, the same as the diameter of the hole 41.
- the laminated member is composed of the wiring board 4 and the reinforcing member 6.
- the screw 7 has a disk-shaped head 71 and a shaft portion 72 whose diameter in the direction orthogonal to the longitudinal axis extends in a rod shape smaller than the diameter of the head 71.
- An uneven portion screwed with the nut 8 is formed on the shaft portion 72 over the entire length in the longitudinal axis direction.
- the screw 7 has a stepped portion formed by a difference in diameter at the boundary between the head portion 71 and the shaft portion 72.
- the head 71 is provided on the side where the probe 2 of the probe head 3 extends to the outside, and is housed in the first hole portion 31a.
- the screw 7 is fixed to the probe head 3 by screwing it into the second hole portion 31b of the probe head 3, and by screwing it into the nut 8 arranged in the notch portion 61, the probe head 3
- the wiring board 4 and the reinforcing member 6 are fastened.
- the head 71 is crimped to the step portion formed by the first hole portion 31a and the second hole portion 31b.
- the nut 8 is crimped to a step portion formed by the notch portion 61 and the hole portion 62.
- the step portion referred to here has a surface that intersects the longitudinal axis of the screw 7 (shaft portion 72) when the screw 7 is attached to the probe head 3 or the like. At this time, it is preferable that this surface is orthogonal to the longitudinal axis of the screw 7.
- the head 71 is housed in the first hole 31a, and the screw 7 does not protrude from the surface of the probe head 3.
- the nut 8 is housed in the notch portion 61, and the nut 8 does not protrude from the surface of the reinforcing member 6.
- the shaft portion 72 is in a non-contact state with the hole portion 41 and the inner peripheral surface of the hole portion 62.
- one end of the probe 2 comes into contact with the electrode of the wafer 100, while the other end of the probe 2 comes into contact with the electrode of the wiring board 4.
- an inspection signal is input from the wiring board 4 to the wafer 100 via the probe 2.
- the replaced wiring is performed without changing the specifications of the screw 7 and the nut 8.
- the substrate, the probe head 3 and the reinforcing member 6 can be fastened.
- FIG. 4 is a partial cross-sectional view of the probe card shown in FIG. 1, and is a diagram for explaining a configuration when wiring boards having different thicknesses are arranged.
- the thickness of the wiring board 4A shown in FIG. 4 is thinner than the thickness of the wiring board 4.
- a hole 42 through which the screw 7 (shaft 72) is inserted is formed in the wiring board 4A. Like the hole 41, the hole 42 penetrates between the surface on the probe head 3 side and the surface on the opposite side (reinforcing member 6 side).
- the hole portion 42 has a diameter smaller than the diameter of the first hole portion 31a described above and a diameter larger than the diameter of the second hole portion 31b, and extends in the plate thickness direction.
- the head 71 In the state where the screw 7 is fixed to the probe head 3 (see FIG. 4), the head 71 is housed in the first hole 31a, and the screw 7 does not protrude from the surface of the probe head 3. That is, when the wiring board 4A is used instead of the wiring board 4, the head portion 71 does not protrude from the surface of the probe head 3 although the approach length of the shaft portion 72 with respect to the nut 8 changes. Further, the nut 8 is housed in the notch portion 61, and the nut 8 does not protrude from the surface of the reinforcing member 6. Further, the shaft portion 72 is in a non-contact state with the inner peripheral surfaces of the hole portion 42 and the second hole portion 62b.
- the head 71 of the screw 7 is reinforced on the probe head 3 side.
- the nut 8 is arranged and fastened on the member 6 side, and the shaft portion 72 and the probe head 3 (second hole portion 31b) are fixed by screwing. According to the present embodiment, even when the nut 8 is loosened, the fixed state of the probe head 3 and the screw 7 is maintained, so that the protrusion of the screw 7 from the probe head 3 can be suppressed. ..
- the screw 7 is fixed to the probe head 3, for example, when the wiring board is replaced, even if the nut 8 is removed from the shaft portion 72, the screw 7 is separated from the probe head 3. Therefore, the member laminated on the probe head 3 can be easily replaced.
- the fixing between the screw 7 and the hole may be reinforced to the extent that the screw 7 can be replaced.
- an adhesive having a relatively low strength may be provided between the screw 7 and the hole to fix the two.
- FIG. 5 is a partial cross-sectional view showing the configuration of the probe card according to the first modification of the embodiment of the present invention.
- Modification 1 is the same as the configuration of the above-described embodiment except that the configuration of the probe head 3 is changed.
- the same components as those in the above-described embodiment are designated by the same reference numerals.
- the probe head 3A includes a main body portion 32 for holding a plurality of probes 2 and a holding portion 33 provided in the insertion portion of the screw 7.
- the configuration of the main body portion 32 is the same as the configuration of the probe head 3 except for the formation region of the holding portion 33.
- the holding portion 33 has higher rigidity than the main body portion 32. Further, the holding portion 33 is formed with an insertion hole 34 into which the screw 7 is inserted.
- the insertion hole 34 penetrates between the surface on the wiring board 4 side and the surface on the opposite side.
- the insertion holes 34 include a first hole portion 34a formed on the surface opposite to the wiring board 4 side and a second hole portion 34b formed on the surface on the wiring board 4 side and having a diameter smaller than that of the first hole portion 34a.
- the second hole portion 34b is screwed with the screw 7 and functions as a fixing portion for fixing the screw 7 to the probe head 3A.
- the holding portion 33 is constructed using, for example, a metal material.
- the thickness of the holding portion 33 is the same as the thickness of the main body portion 32.
- FIG. 6 is a partial cross-sectional view showing the configuration of the probe card according to the second modification of the embodiment of the present invention.
- Modification 2 is the same as the configuration of the above-described embodiment except that the configuration of the probe head 3 is changed.
- the same components as those in the above-described embodiment are designated by the same reference numerals.
- the probe head 3B according to the modified example 2 includes a main body portion 35 for holding a plurality of probes 2 and a holding portion 36 provided in the insertion portion of the screw 7.
- the configuration of the main body 35 is the same as that of the probe head 3 except for the formation region of the holding portion 36.
- a holding hole 37 for holding the holding portion 36 is formed in the main body portion 35.
- the holding hole 37 penetrates between the surface on the wiring board 4 side and the surface on the opposite side.
- the holding holes 37 are formed on the side opposite to the wiring board 4 side, and have a first hole portion 37a having an opening larger than that of the head 71, a second hole portion 37b formed on the wiring board 4 side, and a first hole.
- It has a third hole portion 37c formed between the portion 37a and the second hole portion 37b and having a diameter smaller than that of the second hole portion 37b.
- a configuration in which the diameter of the second hole portion 37b is smaller than the diameter of the first hole portion 37a will be described as an example, but the diameter of the second hole portion 37b is the diameter of the first hole portion 37a.
- the configuration may be equal to or larger than the diameter of the first hole 37a.
- the holding portion 36 has higher rigidity than the main body portion 35.
- the holding portion 36 has a cylindrical shape with a stepped outer circumference, and the shape of the outer circumference corresponds to the shape of the inner peripheral surface of the holding hole 37.
- the holding portion 36 is detachably provided with respect to the holding hole 37. If it is not necessary to detach the holding portion 36, the holding portion 36 may be press-fitted into the holding hole 37, or may be fixed to the main body portion 35 by screwing or adhering.
- the holding portion 36 is formed with an insertion hole 38 into which the screw 7 is inserted.
- the insertion hole 38 penetrates between the surface on the wiring board 4 side and the surface on the opposite side.
- the insertion hole 38 has a smaller diameter than the hole 41.
- At least a part of the insertion hole 38 is screwed with the screw 7, and functions as a fixing portion for fixing the screw 7 to the probe head 3B.
- the holding portion 36 is constructed using, for example, a metal material.
- the thickness of the holding portion 36 is the same as the thickness of the holding portion of the holding portion 36 in the main body portion 35.
- the effect of the above-described embodiment can be obtained, and only the holding portion 36 can be replaced in the probe head 3B.
- the shape of the inner peripheral surface of the holding hole 37 is such that the wiring board 4 side has a larger diameter than the opposite side, and the holding portion 36 is formed by the second hole portion 37b and the third hole portion 37c of the holding hole 37.
- FIG. 7 is a partial cross-sectional view showing the configuration of the probe card according to the third modification of the embodiment of the present invention.
- the same components as those in the above-described embodiment are designated by the same reference numerals.
- the probe card according to the third modification is a wiring board 4B and a wiring board 4B which are made of a plurality of probes 2, a probe head 3, and an insulating material and are provided with a wiring layer for electrical connection with an inspection device.
- a plurality of connectors (not shown) for connecting the wiring to the outside, a reinforcing member 6 formed by using a highly rigid material and mounted on one surface of the wiring board 4 to reinforce the strength of the wiring board 4B, and a probe.
- a screw 7 and a nut 8 provided between the head 3 and the reinforcing member 6 and fixing the two by fastening, and a screw 7 on the wiring board 4B side of the probe head 3, in other words, the probe head 3. It is provided on the side opposite to the head 71 side, and is provided with a nut 9 (second nut) to be screwed with the screw 7.
- the wiring board 4B according to the modification 3 is formed by using an insulating material such as bakelite or epoxy resin, and is a wiring layer for electrically connecting a plurality of contact probes 2 and an inspection device. Is three-dimensionally formed by vias and the like.
- a screw 7 (shaft portion 72) is inserted into the wiring board 4B, and a hole portion 43 in which the nut 9 is located is formed.
- the hole 43 penetrates between the surface on the probe head 3 side and the surface on the opposite side (reinforcing member 6 side).
- the hole 43 has a diameter larger than the diameter formed by the outer circumference of the nut 9 and extends in the plate thickness direction.
- the nut 9 is located inside the hole 43, is screwed with the shaft 72, and is crimped to the probe head 3.
- the head 71 of the screw 7 is arranged on the probe head 3 side and the nut 8 is arranged on the reinforcing member 6 side and fastened.
- the shaft portion 72 and the probe head 3 are fixed by screwing, and a nut 9 is provided on the side opposite to the head 71 side of the probe head 3 to the probe head 3. I tried to crimp.
- the third modification even when the nut 8 is loosened, the fixed state of the probe head 3 and the screw 7 is maintained, so that the protrusion of the screw 7 from the probe head 3 can be suppressed. ..
- the screw 7 is more reliably compared with the above-described embodiment. Can be suppressed from protruding from the probe head 3.
- the screw 7 has been described as being screwed to the probe head 3 and fixed to the probe head 3, but the present invention is not limited to this, and the screw 7 is press-fitted or bonded to the screw 7. It may be fixed to the probe head 3.
- the nut 8 is crimped to the wiring board.
- a stepped hole shape such as the notch 61 and the hole 62 may be formed.
- the head 71 has been described as being housed in the hole portion (first hole portion) of the probe head, but the hole side surface is cut out instead of the first hole portion.
- the notch portion may be provided, or the head 71 may be exposed to the outer surface of the probe head and crimped to the outer surface without providing the first hole portion. Even in this case, by fixing the shaft portion 72 to the probe head, it is possible to prevent the head portion 71 from moving from the fastening position to the outer side of the probe head due to the loosening of the nut 8.
- the nut 8 has been described as being housed in the notch portion of the reinforcing member 6, but instead of the notch portion, a hole portion having no notch is provided on the side surface of the hole.
- the nut 8 may be exposed on the outer surface of the reinforcing member and crimped to the outer surface without providing the notch.
- the present invention may include various embodiments not described here, and various design changes and the like may be made within a range that does not deviate from the technical idea specified by the claims. Is possible.
- the probe card according to the present invention is suitable for suppressing the protrusion of the screw from the probe head.
- Probe card 2 Contact probe 3, 3A, 3B Probe head 4, 4A, 4B Wiring board 6 Reinforcing member 7 Screw 8, 9 Nut 31, 34, 38 Insertion hole 35 Main body 36 Holding part 37 Holding hole 41, 42, 43 , 62 Hole 61 Notch
Abstract
Description
本実施の形態では、配線基板4および補強部材6によって積層部材を構成する。
図5は、本発明の実施の形態の変形例1に係るプローブカードの構成を示す部分断面図である。変形例1は、プローブヘッド3の構成を変えた以外は、上述した実施の形態の構成と同じである。上述した実施の形態と同じ構成には、同じ符号を付す。
図6は、本発明の実施の形態の変形例2に係るプローブカードの構成を示す部分断面図である。変形例2は、プローブヘッド3の構成を変えた以外は、上述した実施の形態の構成と同じである。上述した実施の形態と同じ構成には、同じ符号を付す。
図7は、本発明の実施の形態の変形例3に係るプローブカードの構成を示す部分断面図である。上述した実施の形態と同じ構成には、同じ符号を付す。変形例3に係るプローブカードは、複数のプローブ2と、プローブヘッド3と、絶縁性材料からなり、検査装置との電気的な接続を図る配線層が設けられる配線基板4Bと、配線基板4Bの配線を外部と接続する複数のコネクタ(図示略)と、剛性の高い材料を用いて形成され、配線基板4の一方の面に装着されて配線基板4Bの強度を補強する補強部材6と、プローブヘッド3と補強部材6との間に設けられ、締結によって両者を固定するねじ7およびナット8(第1のナット)と、プローブヘッド3の配線基板4B側、換言すればプローブヘッド3におけるねじ7の頭部71側と反対側に設けられ、ねじ7と螺合するナット9(第2のナット)と備える。
2 コンタクトプローブ
3、3A、3B プローブヘッド
4、4A、4B 配線基板
6 補強部材
7 ねじ
8、9 ナット
31、34、38 挿通孔
35 本体部
36 保持部
37 保持孔
41、42、43、62 孔部
61 切欠き部
Claims (7)
- 検査対象と検査用の信号を生成する回路との間を電気的に接続するプローブカードであって、
導電性の複数のコンタクトプローブと、
前記複数のコンタクトプローブの一端を外部に対して進退自在に収容するプローブヘッドと、
前記プローブヘッドの前記コンタクトプローブが外部に延出する側と反対側に設けられ、前記プローブヘッドに積層される積層部材と、
前記プローブヘッドと前記積層部材とを締結するねじおよびナットを有する締結部材と、
を備え、
前記ねじは、
前記プローブヘッドの前記コンタクトプローブが外部に延出する側に設けられる頭部と、
前記プローブヘッドおよび前記積層部材に挿通され、前記頭部の径よりも小さい径を有して延びる軸部と、
を有し、
前記軸部は、
前記プローブヘッドに固定されるとともに、前記頭部側と反対側の端部側において前記ナットと螺合して前記プローブヘッドと前記積層部材とを締結する、
ことを特徴とするプローブカード。 - 前記ねじは、
前記プローブヘッドに螺合することによって、該プローブヘッドに固定される、
ことを特徴とする請求項1に記載のプローブカード。 - 前記プローブヘッドは、
本体部と、
前記軸部が挿通される挿通孔が形成され、前記本体部よりも剛性が高い保持部と、
を有することを特徴とする請求項1または2に記載のプローブカード。 - 前記保持部は、前記プローブヘッドに対して着脱自在であることを特徴とする請求項3に記載のプローブカード。
- 前記プローブヘッドにおける前記ねじの前記頭部側と反対側に設けられ、該プローブヘッドに圧着する第2のナット、
をさらに備えることを特徴とする請求項1~4のいずれか一つに記載のプローブカード。 - 前記プローブヘッドには、前記頭部を収容する孔部が形成されることを特徴とする請求項1~5のいずれか一つに記載のプローブカード。
- 前記積層部材は、
前記プローブヘッドの前記コンタクトプローブが外部に延出する側と反対側に設けられ、前記検査対象との電気的な接続を図る配線層が設けられる配線基板と、
前記配線基板の、前記プローブヘッド側と反対側に設けられ、前記配線基板の強度を補強する補強部材と、
を有することを特徴とする請求項1~6のいずれか一つに記載のプローブカード。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180019402.4A CN115244408A (zh) | 2020-03-11 | 2021-03-02 | 探针卡 |
US17/909,593 US20230107255A1 (en) | 2020-03-11 | 2021-03-02 | Probe card |
JP2022505946A JPWO2021182193A1 (ja) | 2020-03-11 | 2021-03-02 | |
KR1020227029899A KR20220132632A (ko) | 2020-03-11 | 2021-03-02 | 프로브 카드 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020042145 | 2020-03-11 | ||
JP2020-042145 | 2020-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021182193A1 true WO2021182193A1 (ja) | 2021-09-16 |
Family
ID=77670667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/007998 WO2021182193A1 (ja) | 2020-03-11 | 2021-03-02 | プローブカード |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230107255A1 (ja) |
JP (1) | JPWO2021182193A1 (ja) |
KR (1) | KR20220132632A (ja) |
CN (1) | CN115244408A (ja) |
TW (1) | TWI830006B (ja) |
WO (1) | WO2021182193A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000227443A (ja) * | 1999-02-05 | 2000-08-15 | Mitsubishi Electric Corp | プローブカード |
JP2007046372A (ja) * | 2005-08-11 | 2007-02-22 | Sumitomo Metal Steel Products Inc | 横桟取付金具及び防護柵 |
CN101526553A (zh) * | 2008-03-07 | 2009-09-09 | 旺矽科技股份有限公司 | 探针卡 |
KR20110087879A (ko) * | 2010-01-27 | 2011-08-03 | (주)엠투엔 | 평탄 조절 수단을 구비하는 프로브 카드 |
JP2015025749A (ja) * | 2013-07-26 | 2015-02-05 | 株式会社日本マイクロニクス | プローブカード |
JP2016008948A (ja) * | 2014-06-26 | 2016-01-18 | 日本電子材料株式会社 | プローブカード |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53133149A (en) | 1977-04-25 | 1978-11-20 | Matsushita Electric Works Ltd | Facial treatment tool |
EP2128630A4 (en) * | 2007-03-14 | 2014-05-14 | Nhk Spring Co Ltd | PROBE CARD |
KR20100019885A (ko) * | 2008-08-11 | 2010-02-19 | 삼성전기주식회사 | 프로브 카드 제조 방법 |
US8534302B2 (en) * | 2008-12-09 | 2013-09-17 | Microchip Technology Incorporated | Prober cleaning block assembly |
TWI417549B (zh) * | 2010-07-12 | 2013-12-01 | Mpi Corp | The method of making the probe head of the vertical probe card and its composite board |
JP2013200266A (ja) | 2012-03-26 | 2013-10-03 | Micronics Japan Co Ltd | 電気的接続装置とそれを備えるプローブカード並びに半導体検査装置 |
TWI479158B (zh) * | 2013-01-28 | 2015-04-01 | Mpi Corp | 晶圓測試探針卡 |
-
2021
- 2021-03-02 US US17/909,593 patent/US20230107255A1/en active Pending
- 2021-03-02 CN CN202180019402.4A patent/CN115244408A/zh active Pending
- 2021-03-02 KR KR1020227029899A patent/KR20220132632A/ko unknown
- 2021-03-02 WO PCT/JP2021/007998 patent/WO2021182193A1/ja active Application Filing
- 2021-03-02 JP JP2022505946A patent/JPWO2021182193A1/ja active Pending
- 2021-03-08 TW TW110108148A patent/TWI830006B/zh active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000227443A (ja) * | 1999-02-05 | 2000-08-15 | Mitsubishi Electric Corp | プローブカード |
JP2007046372A (ja) * | 2005-08-11 | 2007-02-22 | Sumitomo Metal Steel Products Inc | 横桟取付金具及び防護柵 |
CN101526553A (zh) * | 2008-03-07 | 2009-09-09 | 旺矽科技股份有限公司 | 探针卡 |
KR20110087879A (ko) * | 2010-01-27 | 2011-08-03 | (주)엠투엔 | 평탄 조절 수단을 구비하는 프로브 카드 |
JP2015025749A (ja) * | 2013-07-26 | 2015-02-05 | 株式会社日本マイクロニクス | プローブカード |
JP2016008948A (ja) * | 2014-06-26 | 2016-01-18 | 日本電子材料株式会社 | プローブカード |
Also Published As
Publication number | Publication date |
---|---|
KR20220132632A (ko) | 2022-09-30 |
TW202143353A (zh) | 2021-11-16 |
JPWO2021182193A1 (ja) | 2021-09-16 |
TWI830006B (zh) | 2024-01-21 |
CN115244408A (zh) | 2022-10-25 |
US20230107255A1 (en) | 2023-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI389269B (zh) | 配線基板及探針卡 | |
US8159251B2 (en) | Probe card for semiconductor wafer | |
US7405582B2 (en) | Measurement board for electronic device test apparatus | |
JP5426161B2 (ja) | プローブカード | |
WO2007125974A1 (ja) | 導電性接触子ホルダ | |
JP2002062315A (ja) | コンタクトストラクチャ | |
JP2008134169A (ja) | 電気的接続装置 | |
JP5225257B2 (ja) | 半導体チップ検査用ソケット | |
JP7335507B2 (ja) | 検査用ソケット | |
JP2010237133A (ja) | 検査ソケットおよびその製法 | |
WO2003087852A1 (en) | Holder for conductive contact | |
JP4884749B2 (ja) | 導電性接触子ホルダの製造方法および導電性接触子ユニットの製造方法 | |
JP2007178163A (ja) | 検査ユニットおよびそれに用いる検査プローブ用外皮チューブ組立体 | |
WO2010095521A1 (ja) | プローブカード | |
WO2021182193A1 (ja) | プローブカード | |
JP5434019B2 (ja) | 検査用治具 | |
JP2008216060A (ja) | 電気的接続装置 | |
JP2011065886A (ja) | 基板端用同軸コネクタおよびそれを実装した基板 | |
JP2007066575A (ja) | コネクタの実装構造及び実装方法 | |
JPH11352149A (ja) | プロービングカード | |
JPH10246650A (ja) | 磁気センサ | |
JP2002174643A (ja) | 導電性接触子 | |
JP2001007168A (ja) | 検査用基板 | |
EP0127377A2 (en) | Button board chip interconnection system | |
KR101010675B1 (ko) | 공간 변환기와 이를 포함하는 프로브 카드 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21767812 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022505946 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20227029899 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21767812 Country of ref document: EP Kind code of ref document: A1 |