CN1948955A - Substrate inspection apparatus - Google Patents

Substrate inspection apparatus Download PDF

Info

Publication number
CN1948955A
CN1948955A CNA200610132214XA CN200610132214A CN1948955A CN 1948955 A CN1948955 A CN 1948955A CN A200610132214X A CNA200610132214X A CN A200610132214XA CN 200610132214 A CN200610132214 A CN 200610132214A CN 1948955 A CN1948955 A CN 1948955A
Authority
CN
China
Prior art keywords
substrate
worktable
base board
checking device
micro
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.)
Pending
Application number
CNA200610132214XA
Other languages
Chinese (zh)
Inventor
松本胜
永见理
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olympus Corp filed Critical Olympus Corp
Publication of CN1948955A publication Critical patent/CN1948955A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55Specular reflectivity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958Inspecting transparent materials or objects, e.g. windscreens
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N2021/9513Liquid crystal panels

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides an inspection device (1) of the substrate is constituted so that a flotation stage (4) for floating the substrate (W) by air is laid on a base main body (3), and an automatic macro-inspection part (21) and an automatic micro-inspection part (22) are successively arranged to the area from one end part of the base main body (3) to the other end part thereof. The automatic macro-inspection part (21) has an illumination part (24) for irradiating the substrate (W) with linear illumination light and the reflected light of the illumination light is folded back by a reflecting part (25) to be thrown on an imaging part (26).

Description

Base board checking device
Technical field
The present invention relates to the base board checking device that in the inspecting substrate of flat-panel monitor of LCD etc., uses.
Background technology
In the manufacturing process of the flat-panel monitor (FPD) of LCD (LCD) etc., in the operation of checking exterior substrate, use base board checking device.This base board checking device has along the device (for example with reference to patent documentation 1) of a worktable configuration defects detection portion and defect review portion.Defects detection portion constitutes by detecting camera and transillumination, and defect review portion is made of color camera and transillumination.
In addition, base board checking device also has and with the macro check of visualization substrate integral body on a macro scale with use microexamination to have or not the micro of less defective etc., thus the base board checking device that carries out visual examination.This appearance inspection device of having known has: macro check is with shaking support, it is configured in the macro check portion, carrying is set at the angle that is fit to visualization with the glass substrate that robot moved into, and XY worktable, it shakes support from this and accepts glass substrate and be transplanted on the micro zone, and the position of departing from macroscopical field of illumination of macro check portion is provided with the microscope (for example with reference to patent documentation 2) that micro is used.
[patent documentation 1] TOHKEMY 2000-9661 communique
[patent documentation 2] TOHKEMY 2001-305064 communique
But in patent documentation 1 disclosed base board checking device, if bigger as the glass substrate volume of checking object, then visual examination is difficult to carry out, and the burden that brings the supervisory personnel increases.And if the substrate volume is bigger, then when positions such as registration defective, the distance that operating portions such as manipulation bar move on the defective of being found indicator increases, so the supervision time prolongs.In addition, shake, need bigger space of design and solid head motion, maximize so cause device to become in order to make large-scale substrate.
Summary of the invention
The present invention In view of the foregoing proposes, and its purpose is, prevents to carry out continuously the maximization of the base board checking device of macro check and micro, improves checking efficiency.
In order to address the above problem, base board checking device of the present invention is characterised in that this base board checking device has: worktable, its carrying flat-panel monitor substrate; The carrying unit, it keeps one side of described substrate and carries along the carrying direction of described worktable; The line illumination light source, it is configured in the upstream side of described worktable, penetrates in the upwardly extending wire illumination light in side of intersecting with described carrying direction; Macro check portion, it has shooting by the throw light on image pickup part of light-struck viewing area of described wire; Micro portion, it has the object lens that move along the direction with described carrying direction quadrature along the carrying direction configuration of described worktable; The defect coordinate operational part, it calculates the coordinate of the defective that is detected by described micro portion; Control part, it is according to the coordinate data of each defective of described defect coordinate operational part, described substrate is moved on the sweep trace consistent location of the X coordinate of described defective and described object lens, under the state that described substrate is stopped, the described object lens of described micro portion are moved on the Y coordinate consistent location with described defective; And precision floats piece, and it is configured in the inspection area corresponding with the sweep trace of described object lens, and described substrate is floated accurately, makes under the state of described substrate floating, utilizes described micro portion that described substrate is carried out micro.
In this base board checking device, macro check portion obtains the grand design of substrate surface to the illumination light of substrate irradiation wire from its reflected light.At this moment, move one side when obtaining image, can obtain the image of substrate surface automatically when mobile unit simultaneously makes substrate.And micro portion moves by making substrate and object lens respectively, obtains the intensified image (micro image) of the assigned position of substrate.
According to the present invention, mobile route along substrate is provided with macro check portion and micro portion, one side moves substrate, one side is taken into reflected light from substrate surface to obtain grand design automatically by macro check portion, and obtain the enlarged image of substrate by micro portion, so can carry out visual examination rapidly, and irrelevant with substrate size.By detecting automatically zero defect etc. is arranged, compare when manually checking, can obtain result accurately rapidly from the image that obtains by macro check portion.And, by the registration defective locations and according to this position micro portion is moved, can obtain the intensified image at necessary position, the precision of inspection improves.
Description of drawings
Fig. 1 is the vertical view of the base board checking device of the 1st embodiment of the present invention.
Fig. 2 is the side view of base board checking device shown in Figure 1.
Fig. 3 is the synoptic diagram of automatic macro check portion of the base board checking device of the 3rd embodiment of the present invention.
Embodiment
Below, illustrate to be used to implement best mode of the present invention.
(the 1st embodiment)
As depicted in figs. 1 and 2, base board checking device 1 has the Base body 3 that is provided with across vibration absorber 2 on the ground.On Base body 3, be equipped with and float worktable 4 as the board carrying unit, this worktable blow out air so that FPD float with glass substrate (glass substrate W).Float worktable 4 and move into the zone and the substrate of the other end side is taken out of the zone, float piece (carrying) 5,6 with floating piece along what the carrying direction (length direction) of glass substrate W separated that predetermined distance is provided with a plurality of elongated rectangular at the substrate of an end side of the length direction (directions X) of Base body 3.In the micro zone of floating between the piece 5,6, with the Width (Y direction) of carrying direction (directions X) quadrature of glass substrate W on separate specified gap 8 and dispose precision and float piece (inspection) 7,9 with floating piece, these float the levitation height that piece 7,9 can be controlled glass substrate W accurately. Float piece 5,6 and accurate float the gas hole 10 (part only is shown) that is provided with a plurality of upper surface open on the piece 7,9 with equal intervals in Fig. 1 at these.These gas holes 10 are connected by floating fluid supply sources 11 such as piece 5,6 and the accurate cushion space that floats piece 7,9 and air compressor.
Precision is floated piece 7,9 and is floated piece 5,6 and compare, as long as for more thickly disposing gas hole 10, vent port also is set except that gas hole 10, and the levitation height that can also utilize air ejection power (malleation) and air attractive force (negative pressure) to control glass substrate W accurately gets final product.
Gap 8 is located on the shiftable haulage line of inspection optical axis (optical axises of object lens) of microscope 43, and forms the interval of not blocking from the transillumination light of Lighting Division 45, and this Lighting Division 45 and object lens are opposed, and is located at precision and floats piece 7,9 belows.
In addition, a side edge part parallel with length direction on Base body 3 is equipped with guide rail 12 abreast with the board carrying path of floating worktable 4.Sliding part 14 is installed on this guide rail 12 with can move freely.Guide rail 12 and sliding part 14 are made of the linear electric machine that sliding part 14 is advanced automatically along guide rail 12.Liftably be provided with substrate absorptive table 13 on sliding part 14, it has a plurality of adsorption sections 15 of absorption glass substrate W.Adsorption section 15 is provided with a plurality of at the upper surface of substrate absorptive table 13 along the length direction of Base body 3 with equal intervals.Front end in each adsorption section 15 is provided with the resinousness absorption layer of the concave shape of absorption glass substrate W, is formed with the through hole of up/down perforation on this absorption layer, and this through hole connects suction pump 17.In addition, the glass substrate W of Base body 3 move into the zone be provided with a plurality of as the reference pins 18 of detent mechanism with by pad 19, with clamping glass substrate W.Reference pins 18 is set to haunt the upper surface that floats worktable 4 and can moves by easy on and off, is used for glass substrate W is positioned at the reference position.Can move freely along the glass substrate direction by pad 19, be used for glass substrate W by being pressed on the reference pins 18 fitly to be arranged in the reference position.In addition, the glass substrate W of Base body 3 move into the zone float worktable 4 below be provided with substrate elevating portion, it can utilize substrate W jack-up carrying carry out substrate with robot and change.Substrate elevating portion is provided with a plurality of, so that the lifter pin 20 that moves up and down does not disturb with the mechanical arm generation of robot with carrying.
Wherein,,, from the upstream side to the downstream, be provided with successively between the other end in an end of Base body 3 as the automatic macro check portion 21 of the 1st inspection portion with as the micro portion 22 of the 2nd inspection portion along the board carrying direction of floating worktable 4.Automatically macro check portion 21 has the door type frame 23 on Base body of being installed in 3, and this type frame 23 is crossed over abreast with the Y direction and floated worktable 4.In the vertical frame portion of door type frame 23 with a parallel sided of horizontal pane portion Lighting Division 24 is installed.On the horizontal pane portion of door type frame 23, on the position higher, reflecting part 25 and image pickup part 26 are installed than Lighting Division 24.
Lighting Division 24 has the line illumination light source 27 towards the substrate surface irradiation line illumination light parallel with the Y direction.As line illumination light source 27, for example can be set forth in the end face configuration light source of hollow bar-shaped glass rod, make the light of glass rod inner total reflection penetrate from the grooving opening of glass rod wire illumination light light source or with the be arranged in a straight line light source of shape of LED.
Reflecting part 25 is configured in and is used to take by the shooting light path of line lighting source 27 by the glass substrate W of wire illumination, has the catoptron 28 that the reflected light that reflected by glass substrate W is turned back towards image pickup part 26.Image pickup part 26 has camera lens 29 and compares the line sensor camera 30 that is configured in the other end side with camera lens 29.
The configuration of Lighting Division 24, reflecting part 25 and image pickup part 26 is set to the line illumination light imaging on image pickup part 26 that makes in the viewing area reflection of substrate W.Reflecting part 25 is installed on the carriage so that the reflected light that is reflected by glass substrate W is towards image pickup part 26, with float worktable 4 float the ground bending of face almost parallel, described carriage from the horizontal arm section of door type frame 23 upstream side extend.Image pickup part 26 is installed on the carriage, this carriage on the reflected light path that the portion of being reflected 25 turns back from the horizontal arm section of door type frame 23 downstream side extend.The line illumination light source 27 of Lighting Division 24 is set to and can rotates, so that in order to obtain the interference image and the diffraction image on substrate W surface by image pickup part 26, can be set at incident angle arbitrarily with respect to the glass substrate face.This automatic macro check portion 21 is connected macroscopic view with on the control part 31.
Macroscopic view is carried out the light emitting control of line illumination light source 27 and being taken into from the view data of image pickup part 26 with control part 31, and comprise image processing part, this image processing part carries out Flame Image Process generating grand design to view data, and the adjacent relative method of utilization and neighbor or adjacent patterns etc. is carried out defects detection.Macroscopic view also has with control part 31: the result according to defects detection judges the detection unit that zero defect and type thereof are arranged; Calculate the defect coordinate operational part of defective locations according to the centre of gravity place of defective; And the storer of the registration unit of conduct registration defective locations.
Micro portion 22 has: be installed in and cross over the door type frame 40 that floats worktable 4 abreast with the Y direction on the Base body 3; The guide rail of laying along a side of the horizontal pane portion of door type frame 40 41; The inspection head of the automatic travelling that moves freely along guide rail 41 is with worktable 42; And be supported on and check that head is with the microscope 43 on the worktable 42.
This microscope 43 is configured in and is formed at the top that precision is floated the gap 8 between the piece 7,9.Below this gap 8, be provided with along guide rail 44 and follow the transillumination portion 45 that microscope 43 moves.Microscope 43 has object lens 43b and CCD (solid-state imager) 43a.Micro portion 22 and automatic macro check portion 21 are with the approaching configuration of non-interfering degree.For example, the microscope 43 of micro portion 22 is located at than on the low position of image pickup part 26, so that do not disturb the image pickup part 26 of automatic macro check portion 21.The output of the CCD 43a of microscope 43 is connected with control part 46 with microcosmic.
Microcosmic is with connecting worktable 42, Lighting Division 45 and macroscopic view control part 31 on the control part 46.
The integral body control of base board checking device 1 is by apparatus control portion 50 unified carrying out.Apparatus control portion 0 connect float worktable 4, substrate absorptive table 13, by pad 19, substrate elevating portion, macroscopic view with control part 31 and microcosmic with control part 46.
On apparatus control portion 50, connect the monitor 51 of display image and accepting the operating portion 52 of observer's operation.
Substrate W uses the planar substrates of glass, uses semiconductor technology to be manufactured with patterns such as wiring and wave filter on this substrate W.The part that the defective of said substrate W can be enumerated pattern disconnects, pattern short circuit or be attached with the microdefect of foreign matter each other, and the film of wave filter and in manufacture process the interim patterns such as etchant resist self that apply produce the uneven gross imperfection of film.Therefore, these patterns become the inspection object in the present embodiment.
Below, the effect of present embodiment is described.
At first, from each gas hole 10 of floating worktable 4 blow out air upwards, the glass substrate W that carrying is carried with robot is transported to and floats on the worktable 4.Specifically, make each reference pins 18, utilize carrying glass substrate W to be moved on the lifter pin 20 then with robot to rise from the outstanding mode of upper surface of floating worktable 4.Carrying descends a little with robot, and glass substrate W is relayed on the lifter pin 20, keeps out of the way substrate then and moves into outside the zone.Then, make the lifting of substrate elevating portion, utilize air that glass substrate W is floated to floating on the worktable 4.Under the state that glass substrate W is floated, each is moved along directions X or Y direction towards glass substrate W side by pad 19, make glass substrate W contact each reference pins 18 and position.Under the state that has carried out this location, make at substrate and move into the position that the substrate absorptive table of waiting in the zone 13 rises to the absorption layer 16 contact substrate W back sides.Under this state, drive suction pump 17, utilize absorption layer 16 absorption of substrate absorptive table 13 to keep glass substrate W.
After absorption keeps substrate W under positioning states, each reference pins 18 is not dropped to produce the retreating position that disturbs with substrate absorptive table 13 and glass substrate W, (directions X) constant speed moves towards the other end along guide rail 12 to make sliding part 14 then.Go up the illuminated line illumination light from line illumination light source 27 to this glass substrate W, the lip-deep reflected light of glass substrate W is made a video recording by image pickup part 26.The timing of moving along directions X with substrate W synchronously macroscopic view with in the image processing part of control part 31 according to each bar line cumulative data, form the grand design on the whole surface of substrate W thus.
Inspection object that macroscopic view relatively forms by Flame Image Process with control part 31 and adjacent pattern extract defective part according to their difference, calculate the centre of gravity place of defect part, as the coordinate with respect to the reference position of predefined substrate W.Its result is being judged to be when having a plurality of defective, and all defect coordinate of being judged is registered successively.Macroscopic view is registered in it in storer with control part 31, and the data forwarding of defect coordinate to microcosmic usefulness control part 46.And the sign of the grand design of substrate W and expression defective is exported to monitor 51.The supervisory personnel carries out micro to each defective of judging by automatic macro check, but this moment, operating operation portion 52 specifies this defective locations.As designation method, for example can enumerate the sign that utilizes on the click picture to obtain the method for defect coordinate, perhaps according to registration order or distance from closely being registered as the method for the coordinate of defective to far away calling over.
Micro portion 22 obtains the micro image by the defective of supervisory personnel's appointment.That is, on the X coordinate that sliding part 14 is stopped at become the defective of checking object and sweep trace (gap 8) consistent location of the object lens 43b of microscope 43, and make microscope 43 and Lighting Division 45 aim at the coordinate of the Y direction of the defective that becomes the inspection object.At this moment, glass substrate W is floated piece 7,9 by precision and controls levitation height accurately, carries out automatic focus by microscope 43 under this state.Thus, pass through gap 8 from the illumination light that Lighting Division 45 penetrates, and incide on the microscope 43 through substrate W, the micro image that microscope 43 is obtained is displayed on the monitor 51.In addition, micro portion 22 also can not wait for supervisory personnel's operation, and obtains the micro image that is judged to be the position of defective by automatic macro check portion 21 automatically.
After finishing to check by automatic macro check portion 21 and micro portion 22, what substrate W was moved to the end side of floating worktable 4 by sliding part 14 delivers position (glass substrate W move into zone).Substrate absorptive table 13 is delivered under the state of position in that substrate W is stopped at, and the absorption of removing substrate W keeps.At this moment, the absorption layer that is configured in each adsorption section 15 on the substrate absorptive table 13 is outstanding to the top slightly of the benchmark levitation height of substrate W, and the back side of contact glass substrate W, utilizes the displacing force of the pneumatic glass substrate W that floats of friction force restriction of this absorption layer.Under this state, glass substrate W is handed to each lifter pin 20 of lifting unit under the state that is positioned, and moves in the substrate box with robot by carrying.When carrying out the inspection of other substrates W, utilize robot to change substrate W, next substrate W is carried out identical inspection.
According to this embodiment, under the online illumination light of one side substrate W is moved along directions X, one side utilizes image pickup part 26 to take whole of substrate W, so can carry out the macro check to whole base plate automatically.Therefore, even large substrate W also can check rapidly and effectively.And, owing to do not need jack-up shakily with substrate W, so the space that does not need large-scale head motion is set and shake usefulness.In addition, by carrying out determining defects automatically, can prevent the inspection deviation that causes because of the supervisory personnel, and can register the coordinate at the position that is judged as defective, so easily defect information is applied to other inspections.
And, in same device, can so do not need as in the past, to change substrate but also recalibrate, can shorten the supervision time at the glass substrate W that carrying is located by same substrate absorptive table 13 between macro check portion 21 and the micro portion 22 automatically.And, can make each defective and micro portion 22 position consistency that extract by macro check portion 21 accurately.At this moment, according to the coordinate information that obtains by automatic macro check portion 21, carry out substrate W directions X move and microscope 43 the moving of Y direction, so can utilize simple structure to carry out the micro of large substrate.
In addition, the height of the image pickup part 26 by making automatic macro check portion 21 is different with the height of the microscope 43 of micro portion 22, can make the position of two inspection portions 21,22 approaching, so can make base board checking device 1 miniaturization.
(the 2nd embodiment)
As other modes of base board checking device 1, can enumerate apparatus structure shown below.
The 2nd inspection portion as the inspection data of using automatic macro check portion 21 except that micro portion 22, also can be provided with automatic width measurement.Automatically width measurement utilizes microscope 43 to obtain the micro image of the pattern of registration in advance, as the object of measuring live width, and this micro image is carried out Flame Image Process, to calculate the live width of pattern.
And, on microscope 43, also can replace CCD the spectral photometry device is installed, the spectral photometry device perhaps also is installed on the basis of CCD.The spectral photometry unit is the optical splitter with visible light light-splitting, mainly installs for the spectral sensitivity of measuring color filter.The object that carries out spectral photometry can be defined as the position of registration in advance, also can be all color filters.
By automatic width measurement and spectral photometry device are set, except that macro check and micro, also can carry out live width mensuration and spectral sensitivity and measure.In addition, be registered in microcosmic control part 46 in advance if constitute the threshold value and the spectral sensitivity of the live width that will be used to judge that whether qualified pattern is, and compare, then can promptly check automatically without the supervisory personnel with measurement result.
(the 3rd embodiment)
The base board checking device 1 of the 3rd embodiment of the present invention has the automatic macro check portion 21 shown in the synoptic diagram of Fig. 3.This automatic macro check portion 21 is supported on line illumination light source 27 on the type frame 23 (with reference to Fig. 2) by driving mechanism 60, and can change the angle of line illumination light source 27.Image pickup part 26 can be configured in interference filter 61 on the light path of lens 29 fronts with freely plugging.
In this base board checking device 1, according to the inspection condition of setting by automatic macro check portion 21 substrate W is moved back and forth, for example in going journey, obtain interference image, in backhaul, obtain diffraction image.When obtaining interference image, drive driving mechanism 60, making line illumination light source 27 is that rotate at the center with the inspection position of being thrown light on by line on the substrate W so that the incident angle θ 1 of the relative substrate W of illumination light become with from the identical angle of the incident angle θ 2 of the relative image pickup part 26 of reflected light of substrate W.In addition, insert interference filter 61 from the light path in lens 29 dead aheads.Thus, with illustrate previously identical, can follow the mobile accumulative total view data of substrate W, and obtain interference image.And, when obtaining diffraction image, be to make incident angle θ 1 be n diffraction of light angle with the incident angle θ 2 of relative image pickup part 26 with the angle initialization of line illumination light source 27, interference filter 61 is kept out of the way from light path.Its result can follow the mobile accumulative total diffraction image data of substrate W, and obtain diffraction image.
In this embodiment, roughly side by side obtain interference image and diffraction image in the time of can finishing with moving back and forth of substrate W.Change micro over to according to predetermined conditions then, or implement the replacing of substrate W.In addition, when carrying out Flame Image Process, the processing of interference image is carried out in the backhaul of obtaining diffraction image, and the processing of diffraction image was carried out before changing subsequent processing over to.According to this embodiment, can detect from interference image and have or not the thickness inequality, can detect the unusual etc. of fine pattern from diffraction image, under the situation of carrying out macro check automatically, also can realize the precision of approximate visual examination.
In addition, the invention is not restricted to above-mentioned each embodiment, can widespread use.
For example, base board checking device 1 also can constitute and unpowered roller known worktable such as (Free roller) is set replaces and float worktable 4.And substrate absorptive table 13 not only is located at a side edge part, also can be located at another side edge part, adsorbs two lateral margins that keep substrate W.

Claims (6)

1. a base board checking device is characterized in that, this base board checking device has:
Worktable, its carrying flat-panel monitor substrate;
The carrying unit, it keeps one side of described substrate and carries along the carrying direction of described worktable;
The line illumination light source, it is configured in the upstream side of described worktable, penetrates in the upwardly extending wire illumination light in side of intersecting with described carrying direction;
Macro check portion, it has shooting by the throw light on image pickup part of light-struck viewing area of described wire;
Micro portion, it has the object lens that move along the direction with described carrying direction quadrature along the carrying direction configuration of described worktable;
The defect coordinate operational part, it calculates the coordinate of the defective that is detected by described micro portion;
Control part, it is according to the coordinate data of each defective of described defect coordinate operational part, described substrate is moved on the sweep trace consistent location of the X coordinate of described defective and described object lens, under the state that described substrate is stopped, the described object lens of described micro portion are moved on the Y coordinate consistent location with described defective; And
Precision is floated piece, and it is configured in the inspection area corresponding with the sweep trace of described object lens, and described substrate is floated accurately,
Make under the state of described substrate floating, utilize described micro portion that described substrate is carried out micro.
2. base board checking device according to claim 1 is characterized in that, described worktable separates predetermined distance in the mode that clips described precision and float piece along the carrying direction and disposes a plurality of elongated carryings with floating piece.
3. base board checking device according to claim 2 is characterized in that, described precision is floated piece and had gas hole and vent port, utilizes malleation and negative pressure to control the levitation height of described substrate accurately.
4. base board checking device according to claim 2, it is characterized in that, move into area configurations at the substrate of described worktable substrate positioning mechanism is arranged, a plurality of reference pins on four limits of the described substrate that this substrate positioning mechanism is carried by clamping and constitute by pad, utilizing described carrying, utilize described described substrate being pushed to be positioned on the described reference pins by pad with floating under the state that piece makes described substrate floating.
5. base board checking device according to claim 1 is characterized in that, described line illumination light source can be set at the incident angle of described relatively substrate and can utilize the line sensor camera to obtain the arbitrarily angled of interference image or diffraction image.
6. base board checking device according to claim 1, it is characterized in that, described line illumination light source is configured to and can rotates, so that can set the incident angle of described relatively substrate arbitrarily, described carrying unit is provided as described substrate is moved back and forth in the macro check zone of described macro check portion, utilize described control part to change go the incident angle in journey or backhaul of described line illumination light source, utilize the line sensor camera at described interference image or the diffraction image that goes in journey or the backhaul at described substrate.
CNA200610132214XA 2005-10-12 2006-10-12 Substrate inspection apparatus Pending CN1948955A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005297291A JP2007107945A (en) 2005-10-12 2005-10-12 Inspection device of substrate
JP2005297291 2005-10-12

Publications (1)

Publication Number Publication Date
CN1948955A true CN1948955A (en) 2007-04-18

Family

ID=38018533

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA200610132214XA Pending CN1948955A (en) 2005-10-12 2006-10-12 Substrate inspection apparatus

Country Status (4)

Country Link
JP (1) JP2007107945A (en)
KR (1) KR101305262B1 (en)
CN (1) CN1948955A (en)
TW (1) TWI333544B (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102420154A (en) * 2010-09-28 2012-04-18 东京毅力科创株式会社 Substrate position detection apparatus, film deposition apparatus equipped with the same, and substrate position detection method
CN101718828B (en) * 2008-12-24 2012-08-08 四川虹欧显示器件有限公司 Defect confirmation device for flat-panel display and operation method thereof
CN102778460A (en) * 2012-07-31 2012-11-14 法国圣戈班玻璃公司 Method for detecting internal flaw of substrate
CN103896006A (en) * 2012-12-27 2014-07-02 嘉兴市博宏新型建材有限公司 Feeding belt conveyor with baffle mechanism
CN106403854A (en) * 2016-11-16 2017-02-15 中国计量大学 Friction driving type brake disc flatness detection mechanism
CN109192673A (en) * 2018-08-27 2019-01-11 苏州精濑光电有限公司 A kind of wafer detection method
CN109560011A (en) * 2017-09-26 2019-04-02 三星电子株式会社 Base plate inspection system and the method for using base plate inspection system manufacturing semiconductor devices
CN109597231A (en) * 2019-01-29 2019-04-09 深圳市华星光电技术有限公司 Liquid crystal display panel shows exception analysis method
CN109997049A (en) * 2016-11-29 2019-07-09 精工爱普生株式会社 Electronic component conveying device and electronic component inspection device
CN110231340A (en) * 2018-03-02 2019-09-13 由田新技股份有限公司 Equipment, method, deep learning method and the media of strengthening workpiece optical signature
CN110741464A (en) * 2017-06-07 2020-01-31 佳能机械株式会社 Defect detecting device, defect detecting method, wafer, semiconductor chip, die bonder, semiconductor manufacturing method, and semiconductor device manufacturing method
CN110783223A (en) * 2018-07-24 2020-02-11 泰克元有限公司 Imaging device for electronic component handling equipment
CN114222909A (en) * 2019-08-20 2022-03-22 东丽工程株式会社 Wafer appearance inspection device and method
CN118549460A (en) * 2024-07-29 2024-08-27 柯尔微电子装备(厦门)有限公司 Full-automatic wafer surface inspection machine and wafer inspection method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100932751B1 (en) * 2007-09-28 2009-12-17 주식회사 탑 엔지니어링 Array test device
TWI402497B (en) * 2008-04-22 2013-07-21 Shuz Tung Machinery Ind Co Ltd Image capturing apparatus with gantry
JP5223615B2 (en) * 2008-11-20 2013-06-26 株式会社Ihi Method and apparatus for detecting floating conveyance state of thin plate
JP4896236B2 (en) * 2010-01-21 2012-03-14 東京エレクトロン株式会社 Substrate transport apparatus and substrate transport method
JP5722049B2 (en) * 2011-01-06 2015-05-20 オリンパス株式会社 Board inspection system
JP6004517B2 (en) * 2011-04-19 2016-10-12 芝浦メカトロニクス株式会社 Substrate inspection apparatus, substrate inspection method, and adjustment method of the substrate inspection apparatus
JP5707541B2 (en) * 2012-09-28 2015-04-30 Jx日鉱日石エネルギー株式会社 Apparatus for inspecting substrate having irregular uneven surface and inspection method using the same
JP6347962B2 (en) * 2014-02-10 2018-06-27 Wit株式会社 Appearance inspection apparatus, appearance inspection method, and program
CN109444157A (en) * 2018-12-25 2019-03-08 苏州凡目视觉科技有限公司 A kind of scratch detection apparatus and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009661A (en) * 1998-06-26 2000-01-14 Ntn Corp Flat panel inspection device
JP2001091474A (en) * 1999-09-22 2001-04-06 Olympus Optical Co Ltd Defect inspection system
JP2004239728A (en) * 2003-02-05 2004-08-26 Hitachi High-Technologies Corp Pattern inspection method and device
JP4789399B2 (en) * 2003-05-01 2011-10-12 オリンパス株式会社 Levitation unit
JP2005077109A (en) * 2003-08-29 2005-03-24 Olympus Corp Flaw inspection device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718828B (en) * 2008-12-24 2012-08-08 四川虹欧显示器件有限公司 Defect confirmation device for flat-panel display and operation method thereof
CN102420154A (en) * 2010-09-28 2012-04-18 东京毅力科创株式会社 Substrate position detection apparatus, film deposition apparatus equipped with the same, and substrate position detection method
CN102420154B (en) * 2010-09-28 2016-01-06 东京毅力科创株式会社 Substrate position detection apparatus, film formation device and substrate position detection method
CN102778460A (en) * 2012-07-31 2012-11-14 法国圣戈班玻璃公司 Method for detecting internal flaw of substrate
CN103896006A (en) * 2012-12-27 2014-07-02 嘉兴市博宏新型建材有限公司 Feeding belt conveyor with baffle mechanism
CN106403854A (en) * 2016-11-16 2017-02-15 中国计量大学 Friction driving type brake disc flatness detection mechanism
CN109997049A (en) * 2016-11-29 2019-07-09 精工爱普生株式会社 Electronic component conveying device and electronic component inspection device
CN110741464B (en) * 2017-06-07 2021-03-19 佳能机械株式会社 Defect detecting device, defect detecting method, die bonder, semiconductor manufacturing method, and semiconductor device manufacturing method
CN110741464A (en) * 2017-06-07 2020-01-31 佳能机械株式会社 Defect detecting device, defect detecting method, wafer, semiconductor chip, die bonder, semiconductor manufacturing method, and semiconductor device manufacturing method
CN109560011A (en) * 2017-09-26 2019-04-02 三星电子株式会社 Base plate inspection system and the method for using base plate inspection system manufacturing semiconductor devices
CN110231340B (en) * 2018-03-02 2022-09-13 由田新技股份有限公司 Apparatus, method, deep learning method and medium for enhancing optical characteristics of workpiece
CN110231340A (en) * 2018-03-02 2019-09-13 由田新技股份有限公司 Equipment, method, deep learning method and the media of strengthening workpiece optical signature
CN110783223A (en) * 2018-07-24 2020-02-11 泰克元有限公司 Imaging device for electronic component handling equipment
CN110783223B (en) * 2018-07-24 2024-04-16 泰克元有限公司 Imaging device for electronic component processing equipment
CN109192673B (en) * 2018-08-27 2021-09-17 苏州精濑光电有限公司 Wafer detection method
CN109192673A (en) * 2018-08-27 2019-01-11 苏州精濑光电有限公司 A kind of wafer detection method
CN109597231A (en) * 2019-01-29 2019-04-09 深圳市华星光电技术有限公司 Liquid crystal display panel shows exception analysis method
CN114222909A (en) * 2019-08-20 2022-03-22 东丽工程株式会社 Wafer appearance inspection device and method
CN118549460A (en) * 2024-07-29 2024-08-27 柯尔微电子装备(厦门)有限公司 Full-automatic wafer surface inspection machine and wafer inspection method

Also Published As

Publication number Publication date
TW200716970A (en) 2007-05-01
JP2007107945A (en) 2007-04-26
TWI333544B (en) 2010-11-21
KR101305262B1 (en) 2013-09-09
KR20070040722A (en) 2007-04-17

Similar Documents

Publication Publication Date Title
CN1948955A (en) Substrate inspection apparatus
JP4842422B2 (en) Sheet material inspection method
KR100737084B1 (en) Optical visual examination method and optical visual examination apparatus
CN101339143A (en) Appearance inspecting device for substrate
JP5344545B2 (en) Substrate holding device
CN1808055A (en) Coordinate inspecting gear and checking fixture for object for inspecting
CN1621818A (en) Cutting surface testing apparatus for glass substrate
CN101038260A (en) Base board checking device
CN103038603A (en) Apparatus and method for three dimensional inspection of wafer saw marks
JP2008070237A (en) Substrate inspection device
CN1288435C (en) Substrate checking apparatus
JP4563847B2 (en) Board inspection equipment
CN101140245A (en) Substrate holding device for appearance checking
JP2007107884A (en) Substrate inspection device and substrate inspection method
JP4392557B2 (en) Inspection device
JP2007278715A (en) Substrate inspection device
JP2009229301A (en) Substrate inspection apparatus
KR100988691B1 (en) Optical measurement apparatus
JP2017053775A (en) Apparatus for imaging inside of light-transmissive object, and inspection apparatus
JP2006258632A (en) Substrate inspection device
TWM615970U (en) Partition edge inspection device for specially-shaped cut glass substrate
JP5004530B2 (en) Board inspection equipment
TWI712317B (en) Open/short tester for inspecting glass substrate and inspecting method thereof
JP4626975B2 (en) Substrate inspection apparatus and substrate inspection method
JP2004333356A (en) Inspection apparatus of painted surface for vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20070418