WO2009136707A2 - 가변강성 구조를 갖는 수직형 미세 접촉 프로브 - Google Patents
가변강성 구조를 갖는 수직형 미세 접촉 프로브 Download PDFInfo
- Publication number
- WO2009136707A2 WO2009136707A2 PCT/KR2009/002309 KR2009002309W WO2009136707A2 WO 2009136707 A2 WO2009136707 A2 WO 2009136707A2 KR 2009002309 W KR2009002309 W KR 2009002309W WO 2009136707 A2 WO2009136707 A2 WO 2009136707A2
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- WIPO (PCT)
- Prior art keywords
- probe
- contact
- protrusion
- probe body
- contact probe
- Prior art date
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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
-
- 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
- G01R1/06722—Spring-loaded
-
- 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
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to a vertical micro contact probe used in a probe card, and more particularly, to a vertical micro contact probe made to have a structure of varying rigidity.
- C4 Controlled Collapse Chip Connection
- the pad form of such C4 devices is generally an irregular two-dimensional array. Since the pad pitch between semiconductor chip pads is becoming smaller due to the higher integration of semiconductor chips, vertical fine contact probes are required to cope with this problem.
- the vertical micro-contact probe is limited in shape because it is manufactured by a semiconductor process such as electroplating.
- the probe should have a structure capable of absorbing the vertical displacement to overcome the step difference between the pads, and at the same time, the lateral force on the probe to remove the native oxide present on the electrode surface. It must be structured to create force).
- a bellows-shaped fine contact probe 200 as shown in FIG. 2 is known for stress relaxation.
- the present invention has been proposed based on this technical background.
- the vertical microcontact probe By changing the shape of the tip of the vertical microcontact probe, it is possible to prevent out-of-plane behavior while reducing the contact area of the tip, and at the same time, the vertical microcontact probe has a stopper. It provides a vertical micro-contact probe that can be automatically aligned while the rigidity can be varied.
- the micro-contact probe includes a pillar portion formed by connecting a plurality of unit units to each other and stacked in a longitudinal direction, and a tip portion formed at the tip of the pillar portion to contact an electrode pad of a semiconductor chip.
- the unit unit is alternately bent to the left and right, the probe body, and protruding from the probe body, is disposed left and right with respect to the center in the width direction, in contact with the adjacent probe body during compression can support the probe body Includes protuberances.
- the interval between the protrusion and the probe body facing the protrusion may be formed such that the interval at the longitudinal center of the pillar portion and the interval at both ends of the pillar portion in the longitudinal direction are different from each other.
- the gap may be formed to increase from the longitudinal center portion of the pillar portion toward both ends of the pillar portion in the longitudinal direction.
- the interval may be formed to increase in steps by a predetermined ratio from the longitudinal center portion of the pillar portion toward both ends in the longitudinal direction of the pillar portion.
- the interval may be formed so as to gradually increase by a predetermined value from the longitudinal center portion of the pillar portion toward both ends in the longitudinal direction of the pillar portion.
- the protrusion may be formed only in the longitudinal center of the pillar portion.
- a corresponding protrusion protruding from the probe body facing the protrusion may be further formed.
- the protrusions may be formed to be arranged in two rows on the left and right sides with respect to the center in the width direction of the pillar.
- the curved portion of the probe body may be formed to be rounded, or the curved portion of the probe body may be formed to be bent at an angle.
- the protrusion may be made of an elastic body.
- the protrusion may include an extension part which is bent and parallel to the probe body from the probe body, and a protrusion which is formed at an end of the extension part and contacts the adjacent probe body when compressed.
- the length of the extension portion of the protrusion may be formed to become shorter from the longitudinal center portion of the pillar portion toward both ends in the longitudinal direction of the pillar portion.
- the tip portion may be formed to have a plurality of contact portions, and may have a plurality of contact points with the semiconductor chip.
- the vertical micro-contact probe may have a stopper to enable automatic alignment while the rigidity can be varied.
- the vertical micro contact probe can be automatically aligned, and thus does not require the guide used for buckling suppression.
- FIG. 1 is a perspective view of a cantilever type micro contact probe according to the prior art.
- FIG. 2 is a view showing a vertical micro contact probe having a bellows type spring shape according to the prior art.
- FIG 3 is a view showing a vertical micro contact probe having a variable rigid structure according to a first embodiment of the present invention.
- FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 3.
- FIG. 5 is a view showing a vertical micro contact probe having a variable rigid structure according to a first modification of the first embodiment of the present invention.
- FIG. 6 is a view showing a vertical micro contact probe having a variable rigid structure according to a second modification of the first embodiment of the present invention.
- FIG. 7 is a view showing a vertical micro contact probe having a variable rigid structure according to a third modification of the first embodiment of the present invention.
- FIG. 8 is a view showing a vertical micro contact probe having a variable rigid structure according to a second embodiment of the present invention.
- FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG. 8.
- FIG. 10 is a view showing a vertical micro contact probe according to a first modification of the second embodiment of the present invention.
- FIG. 11 is a view showing a vertical micro contact probe according to a second modification of the second embodiment of the present invention.
- FIG. 12 is a view showing a vertical micro contact probe according to a third modification of the second embodiment of the present invention.
- FIG. 3 is a view showing a vertical micro contact probe having a variable rigid structure according to a first embodiment of the present invention
- Figure 4 is a cross-sectional view taken along the line IV-IV of FIG. 5 to 7 are diagrams each illustrating a vertical micro contact probe having a variable rigid structure according to the first to third modified examples of the first embodiment of the present invention.
- the vertical micro contact probe 10 includes a pillar portion 11 formed by stacking a plurality of unit units 13 in a longitudinal direction, and the pillar portion 11. And a tip portion 12 formed at the tip of the chip and in contact with the electrode pad of the semiconductor chip.
- the pillar portion 11 is formed by stacking a plurality of unit units 13 (see an enlarged view of FIG. 3) in a longitudinal direction (vertical direction in the drawing) to have a zigzag shape.
- the tip portion 12 is formed at one end of the pillar portion 11 and has a substantially triangular shape.
- the vertex of this triangular tip 12 is in contact with the electrode pad of the semiconductor chip to perform an electrical inspection.
- the shape of the tip portion 12 may have any shape as long as it can contact the electrode pad of the semiconductor chip to perform electrical inspection.
- one unit unit 13 is alternately bent to the left and right, and the probe body 14 is formed to be bent and the curved portion is rounded, and protrudes from the probe body 14 in the width direction.
- projections 15 arranged laterally with respect to the center (horizontal direction in the drawing).
- the unit units 13 have a rounded curved shape, which increases the area of the compressive stress during compression of the column part 11 so as to disperse the point where the stress is concentrated so that the maximum stress can be reduced. do.
- the shape of the unit unit 13 constituting the pillar portion 11 of the probe has the shape as described above, the compressive stress may be dispersed to have an advantage in terms of strength.
- the protrusion 15 forms a gap d with an adjacent probe body 14 in a reference state (no pressure is applied), and in contact with the adjacent probe body 14 when compressed, the probe body 14 ) Can be supported. Therefore, the protrusions 15 are arranged in two rows on the left and right sides of the column part 11 and function as described above, thereby enabling automatic alignment during compression of the probe 10.
- the vertical micro contact probe 10 of the present embodiment has a variable rigidity due to the protrusions 15 arranged in two rows. That is, in the state where the protrusion 15 is not in contact with the adjacent probe body 14, the probe 10 of the present embodiment has a small rigidity. However, when the probe 10 is pressed by an external force acting in the up and down direction of the probe 10 and the protrusions 15 arranged in two rows contact the adjacent probe body 14, the probe 10 of the present invention is It has great stiffness.
- the protrusion 15 shown in FIG. 3 is shown to have a quadrangular shape, but the shape of the protrusion 15 may have a circular, elliptical, or polygonal shape in addition to the quadrangle. If the shape of the protrusion 15 is rectangular, the surface contact is in contact, but in the case of round or oval, the line contact is made. Can have
- the rigidity of the probe after deformation can be adjusted by changing the value of the width w of the protrusion 15 as shown in FIG.
- the probe 10 is pressed by an external force acting in the up and down direction so that the protrusions 15 arranged in two rows come into contact with the adjacent probe body 14. The stiffness of becomes large.
- the width w of the protrusion 15 has a large value, the stiffness of the probe after the compression deformation has a large value, and if the width w of the protrusion 15 has a small value, the stiffness of the probe after the compression deformation has a small value. . In this way, the designer can adjust the rigidity of the probe after deformation by changing the dimension of the width w of the protrusion 15 when designing the probe .
- the vertical micro-contact probe 10 since the vertical micro-contact probe 10 has the protrusions 15 as shown in FIG. 3, the protrusions 15 at the initial time of contacting the stepped pads. Since the probe is not in contact with the probe body 14 adjacent up and down, the probe has a small rigidity, and when the natural oxide film is to be removed after being completely in contact with the pad, the protrusion 15 is adjacent to the probe body 14. ), The probe has great rigidity.
- the vertical micro contact probe 10 may perform a variable stiffness function having small stiffness and large stiffness according to a situation.
- micro-contact probe 10 of the present embodiment has the property that the probe 10 is automatically aligned (that is, maintains an upright state) by the contact of the projection 15. Further, as the probe 10 is automatically aligned, it is advantageous to reduce the pitch between the probes.
- the pitch between probes between one probe and the other probe is the distance from another probe adjacent on the probe card, and the probe pitch is within one probe as shown in FIG. 3). Means the gap between the projections and the projections). If the tip position of the probe is out of the central axis in the width direction of the probe, if the pitch between the probes is small, there is a possibility that the probe may be inclined or bent as it is compressed and mechanical contact with other probes in the vicinity.
- the vertical micro-contact probe 10 of the present embodiment since the probe 10 is automatically aligned by the protrusions 15 arranged in two rows, the head tip position of the probe 10 during compression is Since the probe 10 is automatically aligned and erected from the moment when the protrusion 15 contacts the adjacent probe body 14 even if it is out of the width center axis of the probe 10, the probe 10 is mechanically aligned with other probes 10 around the probe 10. Contact can be prevented from occurring and the pitch between probes can be reduced.
- the starting point at which the stiffness starts to change can be arbitrarily adjusted by the designer by changing the pitch of the probe and the height of the stopper.
- the front end portion 12 is formed at one end of the pillar portion 11 for performing an electrical inspection, but may have any shape if it can be in contact with the electrode pad of the semiconductor chip to perform the electrical inspection, vertical probe In order to reduce the contact resistance of (10), it is preferable to increase the contact pressure by making the contact area between the electrode pad and the tip portion 12 of the semiconductor chip as small as possible.
- the tip portion 12 is formed to have two contact portions 12a, as shown in FIG.
- the non-contact portion 12b formed concave between the two contact portions 12a is positioned so that the electrode pad and the tip 12 can be surely contacted at two points.
- the vertical microcontact probe 20 in the vertical microcontact probe 20 according to the first modification of the present embodiment, in the interval between the protrusion 25 and the probe body 24 facing the protrusion 25.
- the spacing dc at the longitudinal center of the pillar 21 and the spacing de at both ends of the longitudinal direction of the pillar 21 are different from each other.
- protrusion 25 is comprised so that it may become gradually larger from the central part of the column part 21 to the upper-lower end.
- the interval dc in the central portion of the column portion 21 is 1.5 ⁇ m
- the interval is 1.75 ⁇ m, 2 ⁇ m, 2.25 ⁇ m, 2.5 ⁇ m toward the upper and lower ends of the column part 21. It grows in steps by a certain value, etc.
- the spacing is designed to increase gradually at a constant rate (e.g., between the spacing dc at the center of the pillar 21 and the spacing de located next to the center in the direction of the upper and lower ends of the pillar 21. If the ratio is 1: 1.16, the interval may be designed to gradually increase toward the upper and lower ends so that the ratio between the adjacent intervals has a value of 1: 1.16.
- the initial distance, the gradually increasing degree, or the increasing ratio does not limit the present invention, and of course, may vary in design of the probe.
- the distance between the projection 25 and the probe body 14 facing the projection 25 is configured to increase gradually from the central portion of the column portion 21 to the upper and lower ends.
- the protrusion 25 of the central portion first contacts the probe body 24, and then the protrusions 25 sequentially contact the upper and lower ends.
- the behavior of the probe body 14 can be suppressed at the center first, so that the buckling can be more effectively suppressed than the protrusions 25 are formed to have the same value.
- the height of the entire probe is shortened because only the remaining parts of the upper and lower sides are deformed at the center without further deformation. As a result, the rigidity is increased and a large load can be easily obtained.
- FIG. 3 shows that the protrusions 15 are formed on the probe body 14 of all the unit units from the central portion to the upper and lower ends, as shown in FIG.
- the projections 35 may be formed only in the unit units in the central portion in which the projections 35 are not formed in all the unit units over the entire length of 30, and the buckling occurs most severely.
- the protrusions 45 may be formed to protrude in a downward direction in addition to being protruded upward from the probe body 44 of the unit unit, and face each other upward and downward. It may be formed.
- the projections 45 are formed to face each other, the contact area can be adjusted to improve design freedom.
- FIG. 8 is a view showing a vertical micro contact probe having a variable rigid structure according to a second embodiment of the present invention
- Figure 9 is a cross-sectional view taken along the line IX-IX of FIG. 10 to 12 are diagrams each illustrating a vertical micro contact probe according to the first to third modified examples of the second embodiment of the present invention.
- a plurality of unit units 53 are connected to each other in the longitudinal direction. And a pillar portion 51 formed by being stacked, and a tip portion 52 formed at the tip of the pillar portion 51 and in contact with the electrode pad of the semiconductor chip.
- the pillar portion 51 is formed by stacking a plurality of unit units 53 (see an enlarged view of FIG. 8) to have a meandering shape.
- the tip portion 52 is formed at one end of the pillar portion 51 and has a substantially triangular shape.
- the vertex of this triangular tip 52 is in contact with the electrode pad of the semiconductor chip to perform an electrical inspection.
- the shape of the tip portion 52 is not limited to the present invention, and may have any shape as long as it can contact the electrode pad of the semiconductor chip to perform electrical inspection.
- one unit unit 53 contacts the probe body 54 which is bent at an angle and the probe body 54 adjacent to the upper side during compression to support the probe body 54. It includes a projection 55 that can be.
- the protrusion 55 is formed to have its own elasticity. As shown in FIG. 8, each of the protrusions 55 protruding from the probe body 54 extends from the probe body 54 and may be elastically deformed while being deformed under pressure. And a protrusion 57 formed at the end of the extension 56 and in contact with the adjacent probe body 54 during compression.
- the protrusions 55 in this embodiment have their own elasticity, as compared with the protrusions which do not have their own elasticity as in the first embodiment, the protrusions 55 are immediately in contact with the adjacent probe body 54. It is possible to reduce the phenomenon in which the rigidity increases rapidly. Accordingly, the projection 55 having its own elasticity as in the second embodiment has the advantage that its displacement is not constrained.
- the size of the elasticity of the protrusion 55 may change depending on the width and the height of the extension 56.
- the dimensions of the extension 56 included in the protrusion 55 can be varied according to the magnitude of the required rigidity.
- FIGS. 10 and 11 show probes according to various variations in which the dimensions of extension 56 have been changed.
- the vertical micro contact probes 60 and 70 shown in FIGS. 10 and 11 are only changed in dimensions of the extension 56 compared with those shown in FIG. 8 and will not be described in detail.
- the extension 56 may have a shape such as a circle, an ellipse, a triangle, or another polygon, in addition to the two-stage bent shape shown in FIGS. 8 to 11. have.
- the vertical micro contact probe 50 according to the second embodiment is also arranged in two rows on the left and right sides of the column part 51 as in the first embodiment. Automatic sorting is possible at the time of compression of 50). In addition, because of the projections 55 arranged in two rows, the vertical micro contact probe 50 of the present embodiment has variable rigidity.
- the probe 50 of this embodiment has a small rigidity.
- the probe 50 of the present embodiment is It has great stiffness.
- the vertical micro contact probe 50 of the second embodiment performs the first interval between the protrusions 57 included in the protrusions 55 and the probe body 54 adjacent to the protrusions 57.
- it can be designed to gradually increase from the central portion in the longitudinal direction of the column portion 51 to both ends at a constant rate or by a predetermined value.
- the size and shape of the protrusion 57 may be made in the size and shape corresponding to the protrusion 55 in the first embodiment.
- the contact between the electrode pad and the tip portion 52 is performed.
- the tip portion 52 is formed to have two contact portions 52a as shown in FIG. 9.
- FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG. 8. As shown in Fig. 9, a non-contact portion 52b formed concave between two contact portions 52a is positioned so that the electrode pad and the tip portion 52 can be surely contacted at two points.
- FIG. 8 shows that all the projections 55 from the central portion to the upper and lower ends have the extension portions 56 of the same width and height, as shown in FIG.
- the width and height of the extension portion 86 may be formed different from each other in the probe 80.
- the width and height of the extension portion 86 may be gradually reduced from the central portion in the longitudinal direction of the probe pillar portion 81 toward both ends.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Measuring Leads Or Probes (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
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Abstract
Description
Claims (15)
- 반도체 칩의 전기적 검사를 수행하는 미세 접촉 프로브로서,복수개의 단위유닛들이 서로 이어지며 길이방향으로 적층되어 형성된 기둥부; 및상기 기둥부의 선단에 형성되어 반도체 칩의 전극 패드와 접촉되는 선단부; 를 포함하며,상기 단위유닛은,교번하여 좌우로 굴곡되는 프로브 몸체; 및상기 프로브 몸체로부터 돌출되면서, 폭방향 중심을 기준으로 좌우로 배치되어, 압축 시 인접한 상기 프로브 몸체에 접촉되어 상기 프로브 몸체를 지지할 수 있는 돌기를 포함하는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 돌기와, 상기 돌기에 마주하는 상기 프로브 몸체와의 사이의 간격은, 상기 기둥부의 길이방향 중심부에서의 상기 간격과 상기 기둥부의 길이방향 양측 단부에서의 상기 간격이 서로 상이하도록 형성되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 2 항에 있어서,상기 간격은 상기 기둥부의 길이방향 중심부로부터 상기 기둥부의 길이방향 양측 단부로 갈수록 커지는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 2 항에 있어서,상기 간격은 상기 기둥부의 길이방향 중심부로부터 상기 기둥부의 길이방향 양측 단부로 갈수록 기 설정된 비율만큼씩 단계적으로 커지는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 2 항에 있어서,상기 간격은 상기 기둥부의 길이방향 중심부로부터 상기 기둥부의 길이방향 양측 단부로 갈수록 기 설정된 값만큼씩 단계적으로 커지는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 돌기는 상기 기둥부의 길이방향 중심부에만 형성되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 돌기와 마주하는 상기 프로브 몸체로부터 돌출되는 대응돌기가 더 형성되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 돌기는 상기 기둥부의 폭방향 중심을 기준으로 좌우측에 복수개가 2열로 배열되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 프로브 몸체의 굴곡된 부분이 둥글게 만곡되게 형성되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 프로브 몸체의 굴곡된 부분이 각지게 절곡되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 돌기는 탄성체로 이루어지는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 11 항에 있어서,상기 돌기는, 상기 프로브 몸체로부터 상기 프로브 몸체와 나란하게 절곡되면서 연장되는 연장부와, 상기 연장부의 단부에 형성되어 압축 시 인접하는 상기 프로브 몸체에 접촉되는 돌출부를 포함하는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 12 항에 있어서,상기 돌기의 연장부의 길이는 상기 기둥부의 길이방향 중심부로부터 상기 기둥부의 길이방향 양측 단부로 갈수록 짧아지는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 12 항에 있어서,상기 돌기의 돌출부와, 상기 돌출부에 마주하는 상기 프로브 몸체와의 사이의 간격은,상기 기둥부의 길이방향 중심부에서의 상기 간격과 상기 기둥부의 길이방향 양측 단부에서의 상기 간격이 서로 상이하도록 형성되는 것을 특징으로 하는 수직형 미세 접촉 프로브.
- 제 1 항에 있어서,상기 선단부는 복수의 접촉부를 가지도록 형성되어 반도체 칩과의 사이에서 복수의 접촉점을 가지는 것을 특징으로 하는 수직형 미세 접촉 프로브.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/991,492 US8723541B2 (en) | 2008-05-08 | 2009-04-30 | Vertical micro contact probe having variable stiffness structure |
JP2011508418A JP5135470B2 (ja) | 2008-05-08 | 2009-04-30 | 可変剛性構造を有する垂直型微細接触プローブ |
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KR10-2008-0042931 | 2008-05-08 | ||
KR1020080042931A KR100984876B1 (ko) | 2008-05-08 | 2008-05-08 | 가변강성 기능을 가진 수직형 미세 접촉 프로브 |
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WO2009136707A2 true WO2009136707A2 (ko) | 2009-11-12 |
WO2009136707A3 WO2009136707A3 (ko) | 2010-03-11 |
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PCT/KR2009/002309 WO2009136707A2 (ko) | 2008-05-08 | 2009-04-30 | 가변강성 구조를 갖는 수직형 미세 접촉 프로브 |
Country Status (4)
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US (1) | US8723541B2 (ko) |
JP (1) | JP5135470B2 (ko) |
KR (1) | KR100984876B1 (ko) |
WO (1) | WO2009136707A2 (ko) |
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JP6026130B2 (ja) * | 2012-04-10 | 2016-11-16 | 富士通コンポーネント株式会社 | コンタクト、コネクタ |
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WO2015023062A1 (ko) * | 2013-08-13 | 2015-02-19 | (주)기가레인 | 미세 전극 회로 검사용 핀 제조 방법 및 이의 방법으로 제조된 미세 전극 회로 검사용 핀 |
KR102018784B1 (ko) | 2013-08-13 | 2019-09-05 | (주)위드멤스 | 미세 전극 회로 검사용 핀 제조 방법 및 이의 방법으로 제조된 미세 전극 회로 검사용 핀 |
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WO2020222327A1 (ko) * | 2019-04-30 | 2020-11-05 | (주)위드멤스 | 미세 전극 회로 검사용 핀 |
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KR102509525B1 (ko) * | 2021-02-22 | 2023-03-14 | (주)포인트엔지니어링 | 전기 전도성 접촉핀 및 그 어셈블리 |
KR20230032057A (ko) * | 2021-08-30 | 2023-03-07 | (주)포인트엔지니어링 | 전기 전도성 접촉핀 및 이를 구비하는 수직형 프로브 카드 |
KR20240016160A (ko) | 2022-07-28 | 2024-02-06 | (주)위드멤스 | 프로브 핀 |
KR102644534B1 (ko) * | 2023-10-30 | 2024-03-07 | (주)새한마이크로텍 | 접촉 프로브 |
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Also Published As
Publication number | Publication date |
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JP2011523040A (ja) | 2011-08-04 |
US20110057675A1 (en) | 2011-03-10 |
WO2009136707A3 (ko) | 2010-03-11 |
US8723541B2 (en) | 2014-05-13 |
KR100984876B1 (ko) | 2010-10-04 |
JP5135470B2 (ja) | 2013-02-06 |
KR20090117053A (ko) | 2009-11-12 |
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