WO2024122229A1 - プローブ - Google Patents
プローブ Download PDFInfo
- Publication number
- WO2024122229A1 WO2024122229A1 PCT/JP2023/039314 JP2023039314W WO2024122229A1 WO 2024122229 A1 WO2024122229 A1 WO 2024122229A1 JP 2023039314 W JP2023039314 W JP 2023039314W WO 2024122229 A1 WO2024122229 A1 WO 2024122229A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- probe
- contact
- connecting portion
- cross
- curved
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- 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
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06733—Geometry aspects
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- 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
- G01R1/07357—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 flexible bodies, e.g. buckling beams
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- 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
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2863—Contacting devices, e.g. sockets, burn-in boards or mounting fixtures
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- 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
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06755—Material aspects
- G01R1/06761—Material aspects related to layers
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- 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
- G01R1/073—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
- G01R1/07371—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 using an intermediate card or back card with apertures through which the probes pass
Definitions
- the present invention relates to a probe used to inspect the electrical characteristics of an object to be inspected.
- An electrical connection device including a probe is used to test the electrical characteristics of test objects such as semiconductor integrated circuits while they are in the wafer state.
- one end of the probe is brought into contact with an electrode pad of the test object, and the other end of the probe is brought into contact with a terminal (hereinafter referred to as a "land") arranged on a printed circuit board or the like.
- the land is electrically connected to a tester or other test device.
- the electrical connection device When inspecting an object to be inspected, after the probe is brought into contact with the electrode pad, the electrical connection device is brought closer to the object to be inspected, and the probe is bent through elastic deformation. By bending the probe, the elastic force of the probe allows the probe to stably contact the electrode pad and land.
- the object of the present invention is to provide a probe with improved mechanical strength when bent.
- the probe according to one embodiment of the present invention has a columnar shape including a structure in which a contact portion, a curved portion, and a connecting portion that connects the contact portion and the curved portion are connected in the axial direction.
- a cross section perpendicular to the axial direction of the curved portion and the connecting portion has a structure in which a first member and a second member having a lower hardness than the first member are mixed. The area ratio of the second member to the first member in the cross section is higher in the curved portion than in the connecting portion.
- the present invention provides a probe that has improved mechanical strength when bent.
- FIG. 1 is a schematic diagram showing the configuration of a probe according to an embodiment of the present invention.
- FIG. 2 is a schematic cross-sectional view taken along the line II-II of FIG.
- FIG. 3 is a schematic cross-sectional view taken along the line III-III in FIG.
- FIG. 4 is a schematic cross-sectional view taken along the line IV-IV in FIG.
- FIG. 5 is a schematic cross-sectional view taken along the line VV in FIG.
- FIG. 6 is a schematic diagram showing the configuration of an electrical connecting device having a probe according to an embodiment of the present invention.
- FIG. 7 is a schematic diagram showing the configuration of an electrical connecting device having a probe according to a modified embodiment of the present invention.
- FIG. 8 is a schematic cross-sectional view taken along the line VIII-VIII in FIG.
- the probe 1 is used to inspect the electrical characteristics of an object to be inspected.
- the probe 1 is columnar in shape and includes a structure in which a first contact portion 111, a first connecting portion 121, a curved portion 13, a second connecting portion 122, and a second contact portion 112 are connected in sequence along the axial direction.
- first contact portion 111 and the second contact portion 112 are not limited, they will be referred to as contact portion 11.
- connecting portion 12 When the first connecting portion 121 and the second connecting portion 122 are not limited, they will be referred to as connecting portion 12.
- the probe 1 includes the contact portion 11, the curved portion 13, and the connecting portion 12 that connects the contact portion 11 and the curved portion 13.
- the first connecting portion 121 connects the first contact portion 111 and the curved portion 13.
- the second connecting portion 122 connects the second contact portion 112 and the curved portion 13.
- the tip of the first contact portion 111 contacts an object to be inspected (not shown) during inspection.
- the tip of the second contact portion 112 contacts a land during inspection of the object to be inspected.
- the probe 1 is curved due to elastic deformation when the object to be inspected is inspected.
- the X, Y, and Z directions are defined as shown in FIG. 1.
- the X direction is parallel to the left and right direction of the paper
- the Y direction is parallel to the depth direction of the paper
- the Z direction is parallel to the up and down direction of the paper.
- the axial direction of the probe 1 is along the Z direction.
- the cross section perpendicular to the axial direction of the probe 1 is rectangular.
- the X direction is the width direction of the probe 1
- the Y direction is the thickness direction of the probe 1.
- FIG. 2 shows the structure of a cross section (hereinafter, simply referred to as "cross section") perpendicular to the axial direction of the curved portion 13 along the II-II direction in FIG. 1.
- FIG. 3 shows the structure of a cross section of the connecting portion 12 along the III-III direction in FIG. 1.
- the cross section of the curved portion 13 and the connecting portion 12 has a structure in which a first member 41 and a second member 42 having a lower hardness than the first member 41 are mixed.
- the structure in which the first member 41 and the second member 42 are mixed is also referred to as a "mixed structure".
- the mixed structure in the curved portion 13 and the connecting portion 12 may include a laminated structure in which the second member 42 is sandwiched between the first member 41.
- This laminated structure is a structure in which the first member 41 and the second member 42 are laminated in the thickness direction (Y direction) of the probe 1.
- the first member 41 and the second member 42 are selected so that the hardness of the second member 42 is lower than that of the first member 41.
- the electrical conductivity of the second member 42 is preferably equal to or higher than that of the first member 41.
- nickel (Ni) or a nickel alloy is used for the first member 41.
- Gold (Au), silver (Ag), copper (Cu), or the like is used for the second member 42.
- the area ratio of the second member 42 to the first member 41 in the cross section is set higher in the curved portion 13 than in the connecting portion 12.
- the curved portion 13 may have a sandwich structure in which the second member 42 is sandwiched in the thickness direction by the first member 41 having a width similar to that of the second member 42, as shown in FIG. 2.
- the connecting portion 12 may be configured such that the periphery of the second member 42 is surrounded by the first member 41, as shown in FIG. 3.
- the probe 1 may be formed so that the first member 41 and the second member 42 are continuous from the connecting portion 12 to the curved portion 13.
- the connecting portion 12 has a higher rigidity than the curved portion 13. In other words, when the probe 1 elastically deforms, the curved portion 13 is more likely to bend than the connecting portion 12.
- the rigidity of the contact portion 11 is set to be higher than the rigidity of the connecting portion 12.
- the entire contact portion 11 may be the first member 41. Because the contact portion 11 does not include the second member 42, the rigidity of the contact portion 11 is higher than the connecting portion 12 and the bending portion 13. Therefore, when the probe 1 undergoes elastic deformation, bending of the contact portion 11 is suppressed.
- the probe 1 is configured such that the connecting portion 12, which is less prone to bending than the bending portion 13 and has lower rigidity than the contact portion 11, is disposed between the bending portion 13 and the contact portion 11. Therefore, when inspecting an object to be inspected, the probe 1 bends significantly at the bending portion 13, and bending is suppressed more at the connecting portion 12 than at the bending portion 13. Because the connecting portion 12 and the bending portion 13, which differ in their ease of bending as described above, are continuous, stress concentration when the probe 1 bends is mitigated, and the straightness of the contact portion 11 is ensured.
- a portion of the contact portion 11 may be surrounded by a protective material 50 having a harder hardness than the contact portion 11.
- a protective material 50 having a harder hardness than the contact portion 11.
- rhodium (Rh) material is preferably used as the protective material 50.
- the cross-sectional area of the region of the curved portion 13 that connects to the connecting portion 12 may be smaller than the cross-sectional area of the other region of the curved portion 13.
- the region of the curved portion 13 of the probe 1 that connects to the connecting portion 12 is also referred to as the "connection region”.
- the remaining region of the curved portion 13 excluding the connection region is also referred to as the "middle region”.
- the curved portion 13 shown in FIG. 1 includes the middle region 133, a first connection region 131 that connects to one end of the middle region 133, and a second connection region 132 that connects to the other end of the middle region 133.
- the first connection region 131 connects to the first connecting portion 121, and the second connection region 132 connects to the second connecting portion 122.
- the connection region 130 connects to the first connection region 131 and the second connection region 132.
- connection region 130 By making the cross-sectional area of the connection region 130 smaller than that of the intermediate region 133 in the curved portion 13, the connection region 130 bends particularly greatly between the intermediate region 133 and the connecting portion 12 when the probe 1 bends. This further ensures the straightness of the contact portion 11 that connects to the connecting portion 12 on the side opposite the curved portion 13.
- the cross-sectional area of the connection region 130 may be made smaller than the cross-sectional area of the intermediate region 133 by making the width of the connection region 130 narrower in the X direction than the width of the intermediate region 133. In this case, the thickness of the curved portion 13 is constant when viewed from the X direction.
- the probe 1 is used, for example, in an electrical connection device 100 shown in FIG. 6.
- the probe 1 is held by a probe head 20.
- a plurality of probes 1 are held in the probe head 20 by being inserted into guide holes in a first guide plate 21, a second guide plate 22, and a third guide plate 23 included in the probe head 20.
- the first guide plate 21, the second guide plate 22, and the third guide plate 23 will be referred to as guide plates unless otherwise specified.
- the probe head 20 has a configuration in which the first guide plate 21, the second guide plate 22, and the third guide plate 23 are arranged at a distance from each other in the surface normal direction of the main surfaces of the guide plates.
- the first contact portion 111 of the probe 1 contacts an electrode pad (not shown) of the test object 2 when the test object 2 is being tested.
- the second contact portion 112 of the probe 1 contacts a land 31 of the substrate 30.
- the land 31 is electrically connected to a test device such as an IC tester (not shown).
- the position of the guide hole in the second guide plate 22 is shifted in a direction F parallel to the main surface of the first guide plate 21 with respect to the guide hole in the first guide plate 21 for the same probe 1 passing through.
- the shifted guide hole position is referred to as an "offset arrangement”.
- the direction F in which the guide hole position is shifted is also referred to as an "offset direction”. Due to the offset arrangement, the probe 1 is curved between the first guide plate 21 and the second guide plate 22. That is, in the hollow area 200 between the first guide plate 21 and the second guide plate 22, the probe 1 is in a curved state due to elastic deformation.
- the offset direction is the direction in which the long side of the probe 1, which has a rectangular cross section, faces.
- the position of the guide hole in the second guide plate 22 and the position of the guide hole in the third guide plate 23 are the same when viewed from the surface normal direction of the guide plates.
- the guide holes of the first guide plate 21 and the second guide plate 22 are offset from each other, so that when the first contact portion 111 of the probe 1 comes into contact with the test object 2, the probe 1 buckles in the hollow region 200. That is, when the probe 1 is in contact with the test object 2 (contact state), the probe 1 is further curved by flexure deformation from the curved shape when the probe 1 is not in contact with the test object 2 (non-contact state). The further bending of the probe 1 brings the probe 1 into contact with the test object 2 with a predetermined pressing force. Therefore, the offset arrangement allows the electrical characteristics of the test object 2 to be stably measured using the probe 1. When the probe 1 is in a non-contact state, it has the elasticity to return to the shape it had before coming into contact with the test object 2.
- the connecting portion 12 and the bending portion 13 bend.
- the bending portion 13 which has a higher ratio of the second member 42 to the first member 41 than the connecting portion 12, bends easily. Since the connecting portion 12, which is less prone to bending than the bending portion 13 and has a lower rigidity than the contact portion 11, is disposed between the bending portion 13 and the contact portion 11, the contact portion 11 moves linearly along the central axis of the guide hole in the guide plate even when the probe 1 bends during inspection of the inspection target 2. This prevents the probe 1 from being damaged by contact between the side of the guide hole in the guide plate and the probe 1 being damaged.
- the "side" of the guide hole includes the inner wall surface and the opening of the guide hole.
- the curved portion 13 includes the intermediate region 133 and the connection region 130, the probe 1 is curved significantly at the connection region 130. This further ensures linear movement of the contact portion 11 along the guide hole. As a result, damage to the probe 1 caused by contact between the side of the guide hole and the contact portion 11 can be suppressed. However, if the curved portion 13 does not include the connection region 130 but can suppress contact between the side of the guide hole and the contact portion 11, the diameter of the curved portion 13 may be constant.
- protective material 50 having a harder hardness than the contact portion 11 around the area of the probe 1 that passes through the guide hole of the contact portion 11, it is possible to prevent the probe 1 from being damaged by contact with the side of the guide hole.
- protective material 50 is arranged in the area of the first contact portion 111 that passes through the guide holes of the second guide plate 22 and the third guide plate 23, and in the area of the second contact portion 112 that passes through the guide hole of the first guide plate 21.
- the protective material 50 may cover a part of the connecting part 12 beyond the connection part between the contact part 11 and the connecting part 12. That is, the region of the connecting part 12 close to the contact part 11 may be covered with the protective material 50, and the region of the connecting part 12 close to the curved part 13 may not be covered with the protective material 50.
- the connecting part 12 has a mixed structure of the first member 41 and the second member 42.
- the proportion of the second member 42 in the cross section is greater in the curved portion 13 than in the connecting portion 12, so the curved portion 13 is easier to bend than the connecting portion 12. Since the connecting portion 12 and the curved portion 13, which have different bending easiness, are continuous, the probe 1 can suppress stress concentration when the probe 1 is bent. Therefore, even if the diameter of the probe 1 is reduced by narrowing the pitch of the electrode pads of the test object, the mechanical strength of the probe 1 when bent can be improved.
- ⁇ Modification> 7 shows a probe 1 according to a modified embodiment, in which a plurality of insulating coating materials 60 are arranged on the surface of the probe 1 at intervals along the axial direction of the probe 1.
- the coating materials 60 are arranged in the remaining area of the area in which the protective material 50 is arranged.
- the insulating coating material 60 arranged on the surface of the probe 1 comes into contact with adjacent probes 1, thereby preventing short circuits between the probes.
- the coating material 60 is preferably placed on the side of the probe 1 facing the offset direction (hereinafter referred to as the "offset side") or on the side facing the opposite direction to the offset side.
- the coating material 60 may be placed continuously on the offset side of the probe 1 having a rectangular cross section and on two side surfaces adjacent to the offset side.
- the coating material 60 may be placed around the entire circumference of the probe 1.
- the coating material 60 is intermittently arranged in the portion passing through the hollow region 200 of the probe 1, including at least the curved portion.
- the coating material 60 is arranged intermittently along the axial direction, thereby suppressing warping of the probe 1.
- the probe 1 is inserted through the guide hole in the guide plate.
- the probe 1 is inserted continuously through the guide holes in the guide plate with the central axes of the guide holes in all the guide plates aligned.
- the sum of the outer diameter of the probe 1 and the thickness of the coating material 60 is set to be smaller than the inner diameter of the guide hole.
- the thickness of the coating material 60 is set to a thickness that ensures a clearance between the inner diameter of the guide hole and the sum of the outer diameter of the probe 1 and the thickness of the coating material 60, and that prevents short circuits between the probes.
- the material of the coating material 60 may be, for example, resins, glass fiber, permanent resist, ceramic deposition, etc.
- the coating material 60 may be formed on the entire surface of the probe 1, and then the coating material 60 may be patterned using photolithography technology, etc.
- the cross-sectional shape of the probe 1 may be other shapes.
- the cross-sectional shape of the probe 1 may be polygonal other than rectangular.
- the area ratio of the second member 42 to the first member 41 in the mixed cross-sectional structure is made higher in the curved portion 13 than in the connecting portion 12. This makes it easier to bend the curved portion 13 than the connecting portion 12.
- REFERENCE SIGNS LIST 1 ... probe 11... contact portion 12... connecting portion 13... curved portion 20... probe head 21... first guide plate 22... second guide plate 23... third guide plate 30... substrate 31... land 41... first member 42... second member 50... protective material 100... electrical connection device 111... first contact portion 112... second contact portion 121... first connecting portion 122... second connecting portion 130... connection region 133... intermediate region
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Measuring Leads Or Probes (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
図7に示す実施形態の変形例に係るプローブ1は、プローブ1の表面に、プローブ1の軸方向に沿って互いに離隔して複数の絶縁性の被覆材60が配置されている。被覆材60は、保護材50が配置された領域の残余の領域に配置されている。
上記のように本発明は実施形態によって記載したが、この開示の一部をなす論述および図面はこの発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施形態、実施例および運用技術が明らかとなろう。
11…接触部
12…連結部
13…湾曲部
20…プローブヘッド
21…第1ガイド板
22…第2ガイド板
23…第3ガイド板
30…基板
31…ランド
41…第1の部材
42…第2の部材
50…保護材
100…電気的接続装置
111…第1の接触部
112…第2の接触部
121…第1の連結部
122…第2の連結部
130…接続領域
133…中間領域
Claims (8)
- 検査対象物の電気的特性の検査に使用されるプローブであって、
接触部、湾曲部、および前記接触部と前記湾曲部を連結する連結部が軸方向に接続された構造を含む柱形状であり、
前記湾曲部と前記連結部の前記軸方向に垂直な断面は、第1の部材と前記第1の部材よりも硬度が低い第2の部材とが混在した構造であり、
前記断面における前記第1の部材に対する前記第2の部材の面積比が、前記連結部よりも前記湾曲部の方が高い、
プローブ。 - 前記接触部の剛性は前記連結部の剛性よりも高い、請求項1に記載のプローブ。
- 第1の前記接触部、第1の前記連結部、前記湾曲部、第2の前記連結部および第2の前記接触部が前記軸方向に沿って順に接続されている、請求項1又は2に記載のプローブ。
- 前記断面が、前記第1の部材により前記第2の部材が挟まれる構造を含む、請求項1又は2に記載のプローブ。
- 前記連結部では、前記第2の部材は前記第1の部材に周囲を囲まれている、請求項1又は2に記載のプローブ。
- 前記連結部と接続する前記湾曲部の接続領域の前記断面の面積が、前記接続領域を除いた前記湾曲部の残余の領域の前記断面の面積よりも小さい、請求項1又は2に記載のプローブ。
- 前記接触部の一部の領域の周囲が、前記接触部よりも硬度の高い保護材で覆われている、請求項1又は2に記載のプローブ。
- 前記保護材が、前記接触部と前記連結部の接続部分を超えて前記連結部の一部を覆っている、請求項7に記載のプローブ。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020257018957A KR20250103758A (ko) | 2022-12-08 | 2023-10-31 | 프로브 |
| CN202380083211.3A CN120359423A (zh) | 2022-12-08 | 2023-10-31 | 探针 |
| EP23900351.0A EP4632392A4 (en) | 2022-12-08 | 2023-10-31 | PROBE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022196254A JP2024082419A (ja) | 2022-12-08 | 2022-12-08 | プローブ |
| JP2022-196254 | 2022-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024122229A1 true WO2024122229A1 (ja) | 2024-06-13 |
Family
ID=91378952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/039314 Ceased WO2024122229A1 (ja) | 2022-12-08 | 2023-10-31 | プローブ |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4632392A4 (ja) |
| JP (1) | JP2024082419A (ja) |
| KR (1) | KR20250103758A (ja) |
| CN (1) | CN120359423A (ja) |
| TW (1) | TWI880493B (ja) |
| WO (1) | WO2024122229A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025258309A1 (ja) * | 2024-06-11 | 2025-12-18 | 株式会社日本マイクロニクス | プローブ |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007029791A1 (ja) * | 2005-09-09 | 2007-03-15 | Nhk Spring Co., Ltd. | 導電性接触子および導電性接触子の製造方法 |
| WO2014087906A1 (ja) * | 2012-12-04 | 2014-06-12 | 日本電子材料株式会社 | 電気的接触子 |
| US20170269125A1 (en) * | 2015-03-13 | 2017-09-21 | Technoprobe S.P.A. | Contact probe for a testing head |
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| CN112198346A (zh) * | 2019-07-08 | 2021-01-08 | 技鼎股份有限公司 | 探针头及探针头的导电探针 |
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| TWI525325B (zh) * | 2014-04-24 | 2016-03-11 | Elastic probe and its manufacturing method | |
| JP6484137B2 (ja) * | 2014-11-26 | 2019-03-13 | 株式会社日本マイクロニクス | プローブ及び接触検査装置 |
| CN113721051B (zh) * | 2020-05-26 | 2023-12-01 | 旺矽科技股份有限公司 | 具有线型探针的探针头 |
-
2022
- 2022-12-08 JP JP2022196254A patent/JP2024082419A/ja active Pending
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2023
- 2023-10-31 CN CN202380083211.3A patent/CN120359423A/zh active Pending
- 2023-10-31 KR KR1020257018957A patent/KR20250103758A/ko active Pending
- 2023-10-31 WO PCT/JP2023/039314 patent/WO2024122229A1/ja not_active Ceased
- 2023-10-31 EP EP23900351.0A patent/EP4632392A4/en active Pending
- 2023-11-29 TW TW112146379A patent/TWI880493B/zh active
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| WO2014087906A1 (ja) * | 2012-12-04 | 2014-06-12 | 日本電子材料株式会社 | 電気的接触子 |
| JP2018091870A (ja) | 2012-12-04 | 2018-06-14 | 日本電子材料株式会社 | 電気的接触子 |
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| CN112198346A (zh) * | 2019-07-08 | 2021-01-08 | 技鼎股份有限公司 | 探针头及探针头的导电探针 |
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| WO2025258309A1 (ja) * | 2024-06-11 | 2025-12-18 | 株式会社日本マイクロニクス | プローブ |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202438898A (zh) | 2024-10-01 |
| JP2024082419A (ja) | 2024-06-20 |
| EP4632392A1 (en) | 2025-10-15 |
| TWI880493B (zh) | 2025-04-11 |
| EP4632392A4 (en) | 2026-04-15 |
| KR20250103758A (ko) | 2025-07-07 |
| CN120359423A (zh) | 2025-07-22 |
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