WO2013095035A1 - Smt 인라인용 자동 엑스선 검사장치 - Google Patents
Smt 인라인용 자동 엑스선 검사장치 Download PDFInfo
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- WO2013095035A1 WO2013095035A1 PCT/KR2012/011255 KR2012011255W WO2013095035A1 WO 2013095035 A1 WO2013095035 A1 WO 2013095035A1 KR 2012011255 W KR2012011255 W KR 2012011255W WO 2013095035 A1 WO2013095035 A1 WO 2013095035A1
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- stage unit
- ray
- inspection apparatus
- automatic
- detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
Definitions
- the present invention relates to an automatic X-ray inspection apparatus, and more particularly, to an inline automatic X-ray inspection apparatus capable of performing two-dimensional and three-dimensional inspection on a substrate by automatically reading a photographed image at high speed while maintaining high accuracy.
- solder joint area solder ball diameter
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- the conventional transmission X-ray inspection equipment requires a professional inspector to visually inspect the transmission image displayed on the screen. Since the early detection of defects is difficult, there is a problem that it is difficult to meet the quality assurance required by the market.
- AXI automatic X-ray inspection
- the conventional automatic X-ray inspection apparatus is a state in which the X-ray vacuum tube or detector is inclinedly arranged to accurately read the internal defects (void, crack, etc.) of the substrate by displaying the two-dimensional image as well as the three-dimensional image through the captured image.
- An oblique type has been developed that allows tomography of the mounting state of the furnace substrate.
- the stage is integrally assembled to the X-ray vacuum tube, which needs to be moved vertically and horizontally as necessary during the inspection, the stage is rotated due to a structure that cannot be stably supported, such as vibration occurring when the stage rotates at high speed.
- the precision was significantly lowered and the concentricity of the stage could not be maintained. This is a major obstacle to the photographing of the subject and thus forms a distorted image, which makes it difficult to guarantee a reliable inspection.
- the present invention provides an automatic X-ray inspection apparatus capable of performing two-dimensional and three-dimensional inspection of an object to be inspected (mounting of a substrate) by automatically reading a high-speed photographed image with high precision so that it can be applied to SMT inline. Its purpose is to.
- the present invention is a stage unit that supports the inspection object detachably, the X-axis, Y-axis movement and rotation on the plane;
- An X-ray vacuum tube disposed under the stage unit and irradiating X-rays toward the inspected object set in the stage unit;
- a detector disposed rotatably on one side of the stage unit to detect X-rays passing through the inspected object, wherein the X-ray vacuum tube is rotated in synchronization with the pivot of the detector, but emits X-rays of the X-ray vacuum tube.
- the surface is set in parallel with the stage unit, the stage unit provides a automatic X-ray inspection apparatus, characterized in that it comprises a hollow shaft, and a hollow bearing for rotatably supporting the hollow shaft.
- the stage unit is provided with a cable for transmitting power to the stage unit, the cable may be applied to a flat cable (flat cable) that can prevent the twist or interference between the cables.
- the flat cable is preferably wound in a spiral direction outside the hollow shaft.
- the flat cable is seated on a ring-shaped cable receiving member surrounding the hollow shaft, the cable receiving member is preferably formed in a plane on which the flat cable is seated.
- the hollow bearing is made of a cross roller bearing, the outer ring of the cross roller bearing can be clamped to the bearing housing, the inner ring can be clamped to the hollow shaft, the outer ring and the inner ring is at least three points each clamped, The three points are preferably set at the same angle to each other.
- the stage unit may include: a slip ring electrically connected to the stage unit and rotating together with the stage unit to transfer power to the stage unit; And a feeding brush applying power by contacting the slip ring.
- the stage unit receives a driving force from the power transmission unit for CT imaging of the subject to be rotated 360 degrees clockwise and then rotates 360 degrees counterclockwise, and the detector is rotated clockwise and counterclockwise of the stage unit. Each picture can be taken when rotating in the direction.
- the power transmission unit a drive motor; A drive pulley coupled to the drive shaft of the drive motor; A driven pulley coupled along the lower end of the hollow shaft; An encoder for detecting a rotation angle of the stage unit; And a timing belt connecting the driving pulley, the driven pulley, and the encoder.
- the drive motor preferably applies a servo motor driven at a drive speed of at least 180 ° / sec.
- the detector may scan at least 120 frames / sec according to the signal generated by the encoder.
- the X-ray vacuum tube is kept separated from the stage unit, and can be moved horizontally and vertically.
- the detector converts ionized X-rays through the object into an electrical signal, amplifies the converted electrical signal into a digital image signal, and converts a plurality of digital image signals transmitted from the detector. It is preferable to further include an image processing unit which performs three-dimensional inspection after high-speed reconstruction.
- the image processing unit may include at least four GPUs (Graphics Processing Unit Core) to perform a high speed reconstruction.
- the present invention while maintaining the rotational accuracy during high-speed rotation of the stage unit, it is possible to shoot an image corresponding to twice the conventional, bi-directional shooting when the clockwise and counterclockwise rotation of the stage unit is possible inspection
- the speed can be greatly improved, and high speed processing using multiple GPU cores can be applied for SMT inline.
- the present invention uses a hollow bearing, and can set the clamping points arranged at the same angle of at least three points or more to minimize the deformation of the hollow bearing to maintain concentricity with respect to the axis of rotation of the stage unit, use a flat cable or slip By providing a ring and a feeding brush, interference with respect to the rotation of the stage unit can be minimized.
- FIG. 1 is a front view showing an SMT in-line automatic X-ray inspection apparatus according to an embodiment of the present invention
- FIG. 2 is an enlarged view illustrating the stage unit and the X-ray vacuum tube shown in FIG. 1;
- FIG. 3 is a side view showing an SMT in-line automatic X-ray inspection apparatus according to an embodiment of the present invention
- FIG. 4 is a schematic diagram showing synchronous movement of the X-ray vacuum tube and the detector shown in FIG.
- 5 and 6 are a plan view and a side view showing a power transmission unit of the stage unit
- 7 and 8 are a plan view and a side view showing the bearing structure of the stage unit
- 9 and 10 are a plan view and a side view showing the arrangement of the flat cable before the stage unit rotates
- 11 and 12 are a plan view and a side view showing the arrangement of the flat cable after the stage unit rotates 360 degrees
- 13 and 14 are a plan view and a side view showing an example of supplying power to the stage unit using a slip ring and a cash brush.
- the SMT inline automatic X-ray inspection apparatus of the present embodiment is a inspection apparatus capable of serving as a two-dimensional and three-dimensional inspection, an X-ray vacuum tube 10, a detector 30, and a stage unit 50. And an image processing unit 70.
- X-ray vacuum tube 10 The electrons released from the filament in the tube is accelerated to a high voltage between a metal such as tungsten, molybdenum, copper, and the like to collide with the metal target to generate X-rays (X-ray).
- a metal such as tungsten, molybdenum, copper, and the like to collide with the metal target to generate X-rays (X-ray).
- the X-ray vacuum tube 10 is disposed vertically below the stage unit 50, and the X-ray radiating surface 10a at the top of the X-ray vacuum tube 10 is always arranged in parallel with the stage unit 50 (Fig. 4). Reference).
- the X-ray vacuum tube 10 is installed to be capable of vertical movement and horizontal movement, and this movement is performed by driving the first supporter 11 and the second supporter 13 for the purpose of movement.
- the first supporter 11 is fixedly installed at one side of the X-ray vacuum tube 10 and slidably coupled to the vertical guide rail 15 of the second support 13.
- the second supporter 13 is slidably coupled to the horizontal guide rail 19 of the third supporter 17.
- the horizontal guide rail 19 is disposed along a straight direction corresponding to the turning direction of the detector 30, that is, along the X-axis direction, so that the X-ray vacuum tube 10 may move in synchronization with the turning of the detector 30. .
- the X-ray vacuum tube 10 since the X-ray vacuum tube 10 is driven in a completely separated state from the stage unit 50, the X-ray vacuum tube does not take much load when the X-ray vacuum tube 10 moves, compared to the prior art. (10) can be moved smoothly.
- the detector 30 converts ionized X-rays passing through each component of the substrate under test into an electrical signal, and amplifies the converted electrical signal into a digital image signal.
- the detector 30 is disposed at a predetermined interval above the stage unit 50, and is installed to be able to swing at a predetermined angle ⁇ in one direction.
- the detector 30 has a fourth supporter 31 fixedly coupled to one side, and the fourth supporter 31 is slidably coupled to the guide rail 35 of the fifth supporter 33.
- the fifth supporter 33 is slidably coupled along the curved guide groove 39 formed in the upper guide plate 37.
- the detector 30 is vertically disposed such that the center of the detector 30 coincides with the center of the X-ray radiating surface 10a of the X-ray vacuum tube in an initial state.
- the detector 30 rotates by a predetermined angle during tomography, and the X-ray vacuum tube 10 also moves synchronously with the rotation of the detector 30.
- the pivot center position of the detector 30 is set to a position corresponding to the height of the stage unit, and the radiation surface 10a of the synchronously moving X-ray vacuum tube 10 is maintained in parallel with the stage unit 50.
- the stage unit 50 includes a test subject support member 50a, a hollow shaft 54, a hollow bearing 55, a drive motor 57, a power transmission unit, and a cable receiving member 60.
- the test object support member 50a supports the substrate to be inspected in a removable manner through a conventional clamping unit. This space is formed so that the object to be inspected 50a can pass through to the inside.
- the test subject support member 50a linearly moves in the X-axis and Y-axis directions on a plane.
- the stage unit 50 includes first and second support frames 51 and 52.
- the test object support member 50a is slidably coupled to the X-axis guide rail 51a on the first support frame 51, and the first support frame 51 is on the second support frame 52. It is slidably coupled to the Y-axis direction guide rail 52a.
- the test subject support member 50a and the first support frame 51 receive a driving force from the driving motors M1 and M2, respectively.
- the hollow shaft 54 is coupled to the lower end of the second support frame 52 and rotatably supported by the hollow bearing 55 surrounding the outer circumference of the hollow shaft 54.
- the hollow bearing 55 is supported by a bearing housing 56 surrounding the outer circumference.
- Such hollow bearing 55 preferably uses a cross roller bearing having an inner ring 55a, an outer ring 55b and a roller 55c disposed between the inner and outer rings 55a and 55b.
- the inner / outer rings 55a and 55b are fixed by a plurality of first and second clamps C1 and C2 fixed to the hollow shaft 54 and the bearing housing 56, respectively. Accordingly, the inner ring 55a is fixed to the hollow shaft 54 to rotate together with the hollow shaft 54, and the outer ring 55b is fixed to the bearing housing 56 so as not to rotate.
- the plurality of first clamps C1 clamping the inner ring 55a are arranged at equal intervals, and similarly, the plurality of second clamps C2 clamping the outer ring 55b are also arranged at equal intervals.
- six first and second clamps C1 and C2 are used.
- the first and second clamps C1 and C2 are not limited thereto, and at least three or more first and second clamps C1 and C2 may be used.
- it is preferable that the plurality of first and second clamps C1 and C2 used are disposed at the same angle, respectively.
- the inner / outer rings 55a and 55b of the hollow bearing 55 are point-supported to a predetermined position, thereby minimizing deformation applied to the hollow bearing 55 to secure rotational accuracy of the stage unit 50. can do.
- the bearing housing 56 is fixedly installed on the upper surface of the die (D) arranged horizontally.
- the die D is supported by a plurality of vertical frames F and is positioned at a predetermined height from the bottom surface.
- the height of the die D is set to an appropriate height in consideration of the moving range of the X-ray vacuum tube 10.
- the driving motor 57 rotates the stage unit 50 clockwise and counterclockwise alternately through the power transmission unit 360 °, but the high speed servo motor having a driving speed of at least 180 ° / sec or more. It is preferable to use.
- the drive motor 57 is fixedly installed on any one of the plurality of vertical frames F by the support member 57b, and is connected to a timing belt 58d on a rotating shaft (not shown) of the drive motor 57.
- the pulley 57a is coupled.
- the timing belt 58d is connected to the driven pulley 59 connected along the lower end of the hollow shaft 54 and the encoder 58a for detecting the rotation angle of the stage unit 50. At this time, the timing belt 58d may maintain an appropriate belt tension as a part of the timing belt 58d is pressed by the at least one pair of belt tension adjusting units 58b and 58c.
- the encoder 58a generates a signal every time the stage unit 50 rotates by 1.5 °, and the detector 50 scans 120 frames / sec of the subject under rotation according to the signal. Accordingly, a higher number of projections can obtain a larger number of projections than in the prior art, thereby obtaining more precise and rich image quality. Therefore, the detector 50 photographs 240 frames at a time of 360 ° rotation in a clockwise direction with respect to a part of the board mounting, moves the X-axis and the Y-axis to the other part of the board mounting to be photographed next, and then the subject is counterclockwise. 240 frames can be taken when rotating 360 °.
- the scanning speed of the detector 50 is exemplified as 120 frames / sec, but the present invention is not limited thereto, and a detector capable of at least 120 frames / sec or more scanning speed may be implemented.
- the subject is photographed when rotated clockwise from 0 ° to 360 ° clockwise, and when the subject is rotated back to its original position, that is, while the counterclockwise 360 ° is rotated, the photographing is not performed. (loss) occurred.
- the conventional technology is a structure capable of only unidirectional photographing, whereas the present invention can be photographed in both directions (clockwise and counterclockwise), and thus productivity improvement can be expected.
- a cable receiving member 60 is fixedly installed on the die D, and the cable receiving member 60 is disposed to surround the bearing housing 56.
- the cable receiving member 60 has a ring-shaped receiving space 61 in which the flat cable 65 is seated to be movable, and a through hole 63 in which the bearing housing 56 is inserted is formed in the center thereof.
- the bottom surface of the accommodating space 61 is formed in a flat shape, and one end 67 of the flat cable 65 adjacent to the hollow shaft 54 is fixed to the cable accommodating member 60.
- the flat cable 65 is wound in a spiral direction along the receiving space 61 of the cable receiving member 60 to prevent twisting or interference between cables.
- Such a spiral winding arrangement of the flat cable 65 is accommodated as the stage unit 50 rotates clockwise (see FIGS. 11 and 12) and counterclockwise (see FIGS. 9 and 10).
- the friction force can be reduced by minimizing the contact area with the bottom surface of the accommodating space 61 when flowing in the). Accordingly, since the stage unit 50, which may be generated due to the flat cable 65, minimizes the interference factor of the rotation, the stage unit 50 may maintain the rotation accuracy when the high speed rotation is performed.
- the stage unit 50 receives power through the flat cable 65
- the flat cable 65 may be omitted. That is, referring to FIGS. 13 and 14, a plurality of contacts are provided with a circular conductive pattern (not shown) formed on one surface of the slip ring 81 and having a slip ring 81 that rotates together with the stage unit 50.
- the flat cable 65 can be omitted by providing the feeding brush 83 which contacts the pin 85 and applies electricity to the slip ring 81.
- the flat cable 65 may be omitted, the factor that may reduce the rotation accuracy when the stage unit 50 rotates at a high speed may be minimized.
- the image processing unit 70 includes at least four GPUs (Graphics Processing Unit Core) for projecting the image captured by the detector 50, thereby reconstructioning at a rate of about 3 seconds per place of the object under test.
- the dimensional inspection time can be reduced, so it can be used for SMT inline.
- the concentricity of the rotation axis of the stage unit 50 has a great influence on obtaining a high quality image.
- the image processing unit 70 automatically corrects the mechanically generated deviations. This automatic correction is performed by software, and registers a pattern having uniqueness in the rotation center of the stage unit 50, and reconstruction and correction are simultaneously performed by finding a tolerance offset generated every 1.5 ° when rotating at 360 °. Is done.
- conventional X-ray inspection apparatus requires a certain time to stabilize the voltage / current and the temperature of the target when the line is turned on to operate the equipment after the X-ray voltage / current is off (off), which is the target temperature
- the focus of the image acquired through X-rays changes according to the step of ascending.
- the present invention can improve productivity while eliminating the time required for stabilization by applying the ATF (Auto Tube Focus) function to find the focus of the image in real time.
- an open type X-ray vacuum tube is used to increase the geometric magnification by approaching the X-ray irradiation angle problem and the distance to the product.
- a closed type X-ray vacuum tube is used. By reducing the volume of the vacuum tube, it is possible to realize cost reduction and simple configuration of the device.
- the present invention can solve the X-ray irradiation angle problem described above by applying a Wide Angle Close Tube having an irradiation angle of 60 degrees on one side.
- the present invention relates to an inline automated X-ray inspection apparatus and can be applied to nondestructive inspection fields of electronic components such as semiconductor chips.
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Abstract
Description
Claims (12)
- 피검사체를 장탈착 가능하게 지지하며, 평면상의 X축, Y축 이동 및 회전이 가능한 스테이지유닛;상기 스테이지유닛 하측에 배치되어 상기 스테이지유닛에 세팅된 상기 피검사체를 향해 엑스선을 조사하는 엑스선 진공튜브; 및상기 스테이지유닛 상측에 일측으로 선회 가능하게 배치되어 상기 피검사체를 투과한 엑스선을 검출하는 디텍터;를 포함하며,상기 엑스선 진공튜브는 상기 디텍터의 선회에 대하여 동기 선회하되 상기 엑스선 진공튜브의 엑스레이 방출면이 상기 스테이지유닛과 평행하게 설정되며,상기 스테이지유닛은 중공축을 구비하고, 상기 중공축을 회전 가능하게 지지하는 중공베어링을 구비하고,상기 디텍터는 상기 피검사체를 투과한 엑스선이 이온화된 것을 전기적 신호로 변환하고, 이 변환된 전기적 신호를 증폭하여 디지털 영상 신호로 변환하며,상기 디텍터로부터 전송된 다수의 디지털 영상 신호를 고속 리컨스트럭션(reconstruction) 후 3차원 검사를 행하는 이미지처리부를 더 포함하고, 상기 이미지 처리부는 고속 리컨스트럭션을 수행하기 위해 적어도 4개의 GPU 코어(Graphics Processing Unit Core)를 포함하는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제1항에 있어서,상기 스테이지유닛은 전원을 상기 스테이지유닛으로 전송하기 위한 케이블을 구비하며, 상기 케이블은 케이블 간 꼬임이나 간섭을 방지할 수 있는 플랫 케이블(flat cable)인 것을 특징으로 하는 자동 엑스선 검사장치.
- 제2항에 있어서,상기 플랫 케이블은 상기 중공축 외측에 나선방향으로 권회 배치되는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제3항에 있어서,상기 플랫 케이블은 상기 중공축을 둘러싸는 링형상의 케이블 수용부재에 안착되며, 상기 케이블 수용부재는 상기 플랫 케이블이 안착되는 면이 평면으로 형성되는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제1항에 있어서,상기 중공베어링은 크로스 롤러 베어링으로 이루어지며, 상기 크로스 롤러 베어링의 외륜은 베어링 하우징에 클램핑되고, 내륜은 중공축에 클램핑되는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제5항에 있어서,상기 외륜 및 내륜은 클램핑되는 지점이 각각 적어도 3지점이며, 상기 3지점은 서로 동일한 각도로 설정되는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제1항에 있어서,상기 스테이지유닛은전원을 상기 스테이지유닛으로 전송하기 위해, 상기 스테이지유닛과 전기적으로 연결되며 상기 스테이지유닛과 함께 회전하는 슬립링; 및상기 슬립링에 접촉하여 전원을 인가하는 급전브러시;를 포함하는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제1항에 있어서,상기 스테이지유닛은 피검사체의 CT 촬영을 위해 동력전달부로부터 구동력을 인가받아 시계방향으로 360도 회전 후, 반시계방향으로 360도 회전하며,상기 디텍터는 상기 스테이지유닛의 시계방향 회전 시 및 반시계방향으로 회전 시 각각 촬영을 행하는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제8항에 있어서,상기 동력전달부는구동모터;상기 구동모터의 구동축에 결합되는 구동 풀리;상기 중공축의 하단을 따라 결합되는 종동 풀리;상기 스테이지유닛의 회전 각도를 검출하기 위한 엔코더; 및상기 구동 풀리, 종동 풀리 및 엔코더를 연결하는 타이밍벨트;를 포함하는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제9항에 있어서,상기 구동모터는 적어도 180°/sec의 구동속도로 구동하는 서보 모터(servo motor)인 것을 특징으로 하는 자동 엑스선 검사장치.
- 제10항에 있어서,상기 디텍터는 상기 엔코더에 의해 발생하는 신호에 따라 적어도 120frame/sec로 스캐닝하는 것을 특징으로 하는 자동 엑스선 검사장치.
- 제1항에 있어서,상기 엑스선 진공튜브는 상기 스테이지유닛과 분리된 상태를 유지하며, 수평 이동 및 수직 이동하는 것을 특징으로 하는 자동 엑스선 검사장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12860408.9A EP2796862A4 (en) | 2011-12-22 | 2012-12-21 | AUTOMATIC X-RAY EXAMINATION APPARATUS FOR ON-LINE SURFACE MOUNTING METHOD |
US14/366,614 US10330611B2 (en) | 2011-12-22 | 2012-12-21 | Automatic X-ray inspection apparatus for SMT inline process |
JP2014548672A JP5911972B2 (ja) | 2011-12-22 | 2012-12-21 | Smtインライン用の自動x線検査装置 |
MX2014007690A MX2014007690A (es) | 2011-12-22 | 2012-12-21 | Aparato de inspeccion automatica por rayos x para procedimiento en linea de tecnologia de montaje superficial. |
CN201280063323.4A CN104024836B (zh) | 2011-12-22 | 2012-12-21 | 用于smt在线的自动x射线检查装置 |
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CN (1) | CN104024836B (ko) |
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KR101471463B1 (ko) * | 2013-05-13 | 2014-12-11 | (주)자비스 | 피복형 평면 케이블을 구비한 엑스레이 회전검사판 |
US9784699B2 (en) * | 2015-03-03 | 2017-10-10 | Panalytical B.V. | Quantitative X-ray analysis—matrix thickness correction |
KR101723056B1 (ko) * | 2015-06-26 | 2017-04-20 | 주식회사 포디컬쳐 | 3차원 스캐너 영상 정렬을 위한 구동 방법 |
KR101761793B1 (ko) * | 2017-01-09 | 2017-07-26 | (주)자비스 | 회전 및 평면 이동 구조의 엑스레이 장치 |
CN109444179B (zh) * | 2017-09-01 | 2024-02-13 | 无锡日联科技股份有限公司 | 全自动半导体元器件x射线检测设备 |
CN108593687B (zh) * | 2018-04-27 | 2021-05-25 | 中国科学院高能物理研究所 | 一种基于三维层析成像的快速缺陷检测方法 |
CN109061754A (zh) * | 2018-07-12 | 2018-12-21 | 昆山善思光电科技有限公司 | 点料追扫机 |
KR102148748B1 (ko) * | 2018-12-05 | 2020-08-27 | (주)자비스 | 간섭 회피 검사를 위한 엑스레이 검사 장치 |
KR102257984B1 (ko) * | 2019-11-22 | 2021-05-28 | (주)자비스 | 다층 물품 검사용 엑스레이 검사 장치 및 그에 의한 검사 방법 |
CN111208156A (zh) * | 2020-03-16 | 2020-05-29 | 苏州博鲁特智能科技有限公司 | 一种扁平快速ct检测设备及检测方法 |
JP6955802B1 (ja) * | 2020-11-26 | 2021-10-27 | 日本装置開発株式会社 | X線検査装置用の回転機構、x線検査装置およびx線検査装置用の回転機構の調整方法 |
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JP5911972B2 (ja) | 2016-04-27 |
JP2015502555A (ja) | 2015-01-22 |
CN104024836A (zh) | 2014-09-03 |
KR101181845B1 (ko) | 2012-09-11 |
EP2796862A4 (en) | 2015-08-12 |
US10330611B2 (en) | 2019-06-25 |
CN104024836B (zh) | 2016-12-28 |
EP2796862A1 (en) | 2014-10-29 |
US20150003578A1 (en) | 2015-01-01 |
MX2014007690A (es) | 2014-10-06 |
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