WO2015002030A1 - 剥離起点作成装置及び方法 - Google Patents
剥離起点作成装置及び方法 Download PDFInfo
- Publication number
- WO2015002030A1 WO2015002030A1 PCT/JP2014/066714 JP2014066714W WO2015002030A1 WO 2015002030 A1 WO2015002030 A1 WO 2015002030A1 JP 2014066714 W JP2014066714 W JP 2014066714W WO 2015002030 A1 WO2015002030 A1 WO 2015002030A1
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- Prior art keywords
- knife
- substrate
- main surface
- reference plane
- reinforcing plate
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
- H01L21/681—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment using optical controlling means
Definitions
- the present invention relates to a peeling start point creation apparatus and method.
- a functional layer for electronic devices for example, a thin film transistor (TFT) or a color filter (CF) is provided on the substrate. It becomes difficult to form.
- TFT thin film transistor
- CF color filter
- the reinforcing plate is peeled off, for example, by bending and deforming the reinforcing plate and / or the substrate from one of the two corners located on the diagonal to the other.
- a peeling starting point (a gap serving as a trigger for peeling) is artificially created.
- the peeling start point is created by inserting a knife between the substrate and the reinforcing plate.
- a horizontally movable knife is installed near the end of the laminate, and an electronic camera for imaging the end of the laminate and the blade edge of the knife is installed behind the knife. ing.
- the edge of the laminate and the blade edge of the knife are imaged from the same position with an electronic camera, and the obtained position is processed to detect the insertion position of the knife.
- the resin layer into which the knife is inserted (5A and 5B in FIG. 2 of Patent Document 1) has a very thin thickness of about several ⁇ m, so the electronic camera needs to image the end of the laminate from the side. .
- the present invention has been made in view of such problems, and it is possible to detect the position of the blade edge of the knife relative to the knife insertion position without tilting the knife, and to provide a peeling start point creation apparatus and method that can insert the knife with high accuracy. For the purpose of provision.
- a first main surface of a second substrate having a first main surface and a second main surface on a second main surface of the first substrate having a first main surface and a second main surface.
- a peeling start point creation device for creating a peeling start point by inserting a knife between a first substrate and a second substrate of a laminate in which surfaces are detachably connected, the laminate and the knife are connected to a second main body of the second substrate.
- a moving means for inserting a knife between the first substrate and the second substrate of the laminated body by relatively moving in a direction parallel to the surface, and a reference set in parallel with the second main surface of the second substrate
- Position detection means for detecting the position of the blade edge of the knife and the position of the second main surface of the second substrate in the direction perpendicular to the reference surface with respect to the surface, the detection result of the position detection means, and the second substrate
- the laminate and the knife are placed on the second substrate so that the cutting edge of the knife is located between the first substrate and the second substrate.
- a peel start point generating apparatus comprising: a position adjusting means for adjusting the positions of the laminated body and a knife.
- the reference surface set in parallel with the second main surface of the second substrate (for example, when the stacked body is supported horizontally, the reference surface is set as a horizontal surface) is used as a reference.
- the position detection means detects the position of the blade edge of the knife and the position of the second main surface of the second substrate in the direction perpendicular to the reference surface (or the vertical direction when the reference surface is horizontal). Then, based on the detection result of the position detection means and the plate thickness of the second substrate, the position of the laminated body and the knife is positioned so that the blade edge of the knife is positioned between the first substrate and the second substrate. It is adjusted by the adjusting means.
- the insertion position of the knife relative to the reference surface By knowing this position, the position of the knife edge relative to the knife insertion position can be obtained, and the relative amount of movement between the laminate and the knife required to position the knife edge at the knife insertion position can be determined. Can be sought. According to this aspect, since the position of the resin layer and the position of the knife edge can be detected from the direction perpendicular to the laminate, the position of the knife edge relative to the knife insertion position can be detected without tilting the knife.
- the knife when inserting the knife, the knife can be inserted in parallel to the second main surface of the first substrate and the first main surface of the second substrate. Thereby, the knife can be inserted without applying a load to the first substrate and the second substrate. Further, since there is no need to control the posture of the knife, insertion errors can be reduced.
- the reference plane is set parallel to the second main surface of the second substrate, but the second main surface and the first main surface of the second substrate are parallel to each other, and the second main surface constituting the laminate is also formed.
- the first main surface and the second main surface of one substrate are also parallel to the second main surface of the second substrate. Therefore, the reference plane is parallel to the second main surface of the second substrate constituting the multilayer body, parallel to the first main surface of the second substrate constituting the multilayer body, and the first substrate constituting the multilayer body. Parallel to the first main surface of the first substrate and parallel to the second main surface of the first substrate constituting the laminate.
- the moving means includes a knife moving means for moving the knife in a direction parallel to the second main surface of the second substrate; And a laminate moving means for moving in a direction parallel to the second main surface of the two substrates, and the position detecting means is perpendicular to the reference plane with respect to an object located at a predetermined detection position with reference to the reference plane.
- Position detecting means for detecting a position in a specific direction the knife moving means moves the knife to the detection position, the position of the knife blade edge is detected by the position detecting means, and the laminate moving means is set to the detection position. In this mode, the position of the second main surface of the second substrate is detected by being moved.
- the moving means includes the knife moving means and the laminate moving means.
- the position detection means is configured to include position detection means. The position of the blade edge of the knife is detected by moving the knife to the detection position by the knife moving means, and the position of the second main surface of the second substrate is detected by moving the stack to the detection position by the stack moving means. . Thereby, the position of the blade edge of the knife and the position of the second main surface of the second substrate can be detected by one position detection means.
- a third aspect of the present invention is an aspect in which, in the peeling start point creation device according to the second aspect, the position detecting means is constituted by a laser displacement meter.
- the position detecting means is constituted by a laser displacement meter. Thereby, the position of the blade edge of the knife and the position of the second main surface of the second substrate can be detected without contact.
- a two-dimensional laser displacement meter can be used as the laser displacement meter. By using the two-dimensional laser displacement meter, the position of the knife edge can be detected without moving the knife, and the position of the knife edge can be accurately detected.
- the knife edge is the laser displacement meter. It is preferable to detect the position of the knife edge by moving the knife so that it passes through the detection position, that is, the knife edge is scanned with the laser light emitted from the laser displacement meter. Thereby, the position of the blade edge of the knife can be detected with high accuracy.
- the position detection means is set in parallel with the reference plane at the same position as the reference plane or at a predetermined distance from the reference plane.
- the first position detection means for detecting the position of the blade edge of the knife in the direction perpendicular to the first reference plane with the first reference plane as a reference, and the same position as the reference plane or a position away from the reference plane by a predetermined distance
- Second position detection means for detecting the position of the second main surface of the second substrate in a direction perpendicular to the second reference surface with a second reference surface set parallel to the reference surface as a reference; and a first position detection Based on the detection result of the means, the detection result of the second position detection means, the information on the position of the first reference surface with respect to the reference surface, and the information on the position of the second reference surface with respect to the reference surface, The position of the knife edge in the direction perpendicular to the reference plane Calculating means for calculating the position of the second
- the position detection means detects the position of the cutting edge of the knife with reference to the first reference surface, and the second main surface of the second substrate with reference to the second reference surface.
- a second position detecting means for detecting the position.
- the position of the blade edge of the knife with respect to the reference surface is calculated based on the detection result of the first position detection means and information on the position of the first reference surface with respect to the reference surface, and the second position of the second substrate with respect to the reference surface.
- the position of the main surface is calculated based on the detection result of the second position detecting means and information on the position of the second reference surface with respect to the reference surface.
- a fifth aspect of the present invention is an aspect in which the first position detection means and the second position detection means are both constituted by a laser displacement meter in the peeling start point creation device of the fourth aspect.
- the first position detecting means and the second position detecting means are both configured by the laser displacement meter.
- the position of the blade edge of the knife and the position of the second main surface of the second substrate can be detected without contact.
- a two-dimensional laser displacement meter can also be used as the laser displacement meter.
- the position of the knife edge can be detected without moving the knife, and the position of the knife edge can be accurately detected. it can.
- the position detection means includes a position detection means for detecting the position of the object in a direction perpendicular to the reference plane with respect to the reference plane; Position detecting means moving means for moving the detecting means in a direction parallel to the second main surface of the second substrate, and the position detecting means is moved to the position where the knife is arranged by the position detecting means moving means. This position is detected by the position detection means, and the position detection means is moved to the arrangement position of the stacked body by the position detection means moving means to detect the position of the second main surface of the second substrate.
- the position detecting means includes the position detecting means and the position detecting means moving means for moving the position detecting means in a direction parallel to the second main surface of the second substrate.
- the position of the blade edge of the knife is detected by moving the position detection means to the arrangement position of the knife by the position detection means moving means, and the position of the second main surface of the second substrate is detected by the position detection means moving means. It moves to the arrangement position of a laminated body and detects. Thereby, the position of the blade edge of the knife and the position of the second main surface of the second substrate can be detected by one position detection means.
- a seventh aspect of the present invention is an aspect in which, in the peeling start point creating device according to the sixth aspect, the position detecting means is constituted by a laser displacement meter.
- the position detecting means is constituted by a laser displacement meter.
- the position of the blade edge of the knife and the position of the second main surface of the second substrate can be detected without contact.
- a two-dimensional laser displacement meter can also be used as the laser displacement meter.
- the position detection means uses the reference plane as a reference and the position of the blade edge of the knife in the direction perpendicular to the reference plane, and the second substrate
- the position detecting means for detecting the position of the second main surface at the same time, and the position adjusting means, based on the detection result of the position detecting means, and the position of the blade edge of the knife in the direction perpendicular to the reference surface and the second
- the position detecting means simultaneously detects the position of the knife edge and the position detecting means for detecting the position of the second main surface of the second substrate.
- the position adjusting means adjusts the position of the blade edge of the knife and the position of the second main surface of the second substrate to the same position based on the detection result of the position detecting means, and then based on the plate thickness information of the second substrate. Then, the knife edge is adjusted so as to be positioned between the first substrate and the second substrate. Thereby, more stable insertion becomes possible.
- the moving means includes a knife moving means for moving the knife in a direction parallel to the second main surface of the second substrate; A stack moving means for moving in a direction parallel to the second main surface of the two substrates, the position detecting means with respect to an object positioned on a detection line having a predetermined length, A position detecting means for detecting a position in a direction perpendicular to the reference plane; and moving the knife blade edge and the laminated body on the detection line, the position of the knife blade edge and the position of the second main surface of the second substrate; Is detected simultaneously by the position detecting means.
- the moving means includes a knife moving means and a stacked body moving means, and moves the knife blade edge and the laminated body onto the detection line of one position detecting means to The position of the second main surface of the second substrate is simultaneously detected.
- the blade edge of the knife and the second main surface of the second substrate can be moved to the same position by feedback control.
- a tenth aspect of the present invention is an aspect in which the position detection means is constituted by a two-dimensional laser displacement meter in the peeling start point creation device of the ninth aspect.
- the position detection means is constituted by a two-dimensional laser displacement meter.
- the position of the blade edge of the knife and the position of the second main surface of the second substrate can be simultaneously detected in a non-contact manner.
- the position of the blade edge of the knife can be detected without moving the knife, and the position of the blade edge of the knife can be detected with high accuracy.
- the eleventh aspect of the present invention is an aspect further comprising a plate thickness detecting means for detecting the plate thickness of the second substrate in the peeling start point creating apparatus according to any one of the first to tenth modes.
- the plate thickness detecting means for detecting the plate thickness of the second substrate is further provided.
- substrate is detectable on the same apparatus.
- the second substrate has translucency
- the plate thickness detecting means detects the plate thickness of the second substrate by spectral interferometry. It is an aspect.
- the plate thickness detecting means detects the plate thickness by the spectral interference method for the second substrate having translucency.
- the first main surface of the second substrate having the first main surface and the second main surface on the second main surface of the first substrate having the first main surface and the second main surface.
- the surface is set in parallel with the second main surface of the second substrate.
- a position adjustment step of adjusting the position of the laminate and the knife by moving the laminate and the knife relative to the second main surface of the second substrate. Are relatively moved in the row direction, a peel start point generation method and a knife insertion step for inserting the knife between the first substrate and the second substrate of the laminate.
- the position of the blade edge of the knife and the position of the second main surface of the second substrate are detected with reference to a reference surface set in parallel with the second main surface of the second substrate. Then, based on the detection result and information on the thickness of the second substrate, the positions of the stacked body and the knife are adjusted so that the blade edge of the knife is positioned between the first substrate and the second substrate. The Thereafter, the laminated body and the knife move relatively to insert the knife between the first substrate and the second substrate.
- the position detection step uses a position detection means for detecting the position of the object in a direction perpendicular to the reference plane with the reference plane as a reference. Install at the detection position, move the knife to the detection position, detect the position of the blade edge with the position detection means, move the stack to the detection position, and detect the position of the second main surface of the second substrate It is an aspect to do.
- the position detection means is installed at a predetermined detection position, and the position of the blade edge of the knife is detected by moving the knife to the detection position. Moreover, the position of the 2nd main surface of a 2nd board
- the position detection step is set in parallel with the reference surface at the same position as the reference surface or at a predetermined distance from the reference surface.
- the first position detection means Using the first reference plane as a reference, the position of the blade edge of the knife in the direction perpendicular to the first reference plane is detected by the first position detection means, and the same position as the reference plane or a position away from the reference plane by a predetermined distance.
- the position of the second main surface of the second substrate in the direction perpendicular to the second reference surface is detected by the second position detection means with the second reference surface set parallel to the reference surface as a reference, and the first position detection is performed.
- the detection result of the second position detection means Based on the detection result of the means, the detection result of the second position detection means, the information on the position of the first reference surface with respect to the reference surface, and the information on the position of the second reference surface with respect to the reference surface, The position of the knife edge in the direction perpendicular to the reference plane A mode for calculating the position of the second main surface of the second substrate.
- the position of the cutting edge of the knife is detected by the first position detection unit with the first reference surface as a reference, and the position of the second main surface of the second substrate is the second with respect to the second reference surface. It is detected by the position detection means. Then, based on the detection result of the first position detection means, the detection result of the second position detection means, information on the position of the first reference surface with respect to the reference surface, and information on the position of the second reference surface with respect to the reference surface. Thus, the position of the blade edge of the knife with respect to the reference surface and the position of the second main surface of the second substrate are calculated.
- the position detecting step uses a position detecting means for detecting the position of the object in a direction perpendicular to the reference surface with the reference surface as a reference.
- the position of the blade edge of the knife is detected by moving to the arrangement position, and the position of the second main surface of the second substrate is detected by moving the position detection means to the arrangement position of the laminate.
- the position of the blade edge of the knife is detected by moving the position detection means to the arrangement position of the knife. Further, the position of the second main surface of the second substrate is detected by moving the position detection means to the position where the stacked body is arranged.
- the first main surface of the second substrate having the first main surface and the second main surface on the second main surface of the first substrate having the first main surface and the second main surface.
- the position of the blade edge of the knife and the position of the second main surface of the second substrate are detected at the same time, and the position of the blade edge of the knife and the position of the second main surface of the second substrate are the same position. Adjusted to position. Then, after the adjustment, the positions of the stacked body and the knife are adjusted so that the blade edge of the knife is positioned between the first substrate and the second substrate based on the information on the thickness of the second substrate.
- the position of the blade edge with respect to the knife insertion position can be detected without tilting the knife, and the knife can be inserted with high accuracy.
- FIG. 1 is an enlarged side view of an essential part of an example of a laminated body 1 used in the manufacturing process of an electronic device.
- FIG. 2 is an enlarged side view of an essential part of an example of the laminate 6 produced in the middle of the LCD manufacturing process.
- FIG. 3 is a plan view showing an example of the peeling apparatus 10.
- 4 is a side view of the peeling apparatus 10 shown in FIG.
- FIGS. 5A and 5B are explanatory diagrams of the operation of the peeling apparatus 10.
- 6 (A) and 6 (B) are operation explanatory views of the peeling device 10 after peeling the reinforcing plate 3.
- 7 (A) to 7 (C) are explanatory views for explaining an outline of a method for creating a separation starting point.
- FIG. 1 is an enlarged side view of an essential part of an example of a laminated body 1 used in the manufacturing process of an electronic device.
- FIG. 2 is an enlarged side view of an essential part of an example of the laminate 6 produced in the middle of
- FIG. 8 is a schematic view of a mechanism for detecting a deviation amount between the position of the blade edge of the knife N and the knife insertion position.
- FIG. 9 is a graph showing the relationship between the horizontal movement amount of the knife N and the output of the laser displacement meter 50.
- FIGS. 10A to 10D are explanatory diagrams of a procedure for detecting a deviation amount between the position of the blade edge of the knife N and the knife insertion position.
- FIG. 11 is a front view showing an embodiment of the peeling start point creation device 100.
- FIG. 12 is a plan view of the peeling start point creation apparatus 100 shown in FIG.
- FIG. 13 is a front view showing a second embodiment of the peeling start point creation device 200.
- FIGS. 15A to 15D are explanatory diagrams of a procedure for creating a peeling start point using the peeling start point creating apparatus 200 of the second embodiment shown in FIG.
- FIGS. 16A to 16C are explanatory diagrams of a procedure for creating a peeling start point using the peeling start point creating apparatus 200 of the second embodiment shown in FIG.
- FIGS. 17A to 17C are explanatory diagrams of a procedure for creating a peeling start point using the peeling start point creating apparatus 200 of the second embodiment shown in FIG.
- FIGS. 18 (A) to 18 (C) are explanatory diagrams of a procedure for creating a peeling start point using the peeling start point creating apparatus 200 of the second embodiment shown in FIG.
- FIG. 19 is a schematic configuration diagram of a main part of the third embodiment of the peeling start point creating device.
- FIG. 20 is a schematic configuration diagram of a main part of the fourth embodiment of the peeling start point creating device.
- FIG. 21 is a schematic configuration diagram of a main part of the fifth embodiment of the peeling start point creating device.
- 22 (A) to 22 (C) are explanatory views of an example of a method for adjusting the position of the blade edge of the knife N using the fourth peeling start point creating device.
- FIG. 23A to 23C are explanatory diagrams of an example of a method for adjusting the position of the cutting edge of the knife N using the fourth peeling start point creating device.
- FIG. 24 is a graph showing an example of the output of the second two-dimensional laser displacement meter 300B when the position of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B and the position of the blade edge of the knife N are detected simultaneously. It is.
- FIG. 25 is an explanatory diagram for explaining the creation position of the separation start point.
- the electronic device here refers to an electronic component such as a display panel, a solar cell, a thin-film secondary battery, and the display panel includes a liquid crystal display panel (LCD) and a plasma display panel (PDP). ), Organic EL display panel (OELD: Organic Electro Luminescence Display), and the like.
- LCD liquid crystal display panel
- PDP plasma display panel
- OELD Organic Electro Luminescence Display
- An electronic device is manufactured by forming a functional layer for an electronic device (for example, a thin film transistor (TFT) or a color filter (CF) in the case of an LCD) on a substrate made of glass, resin, metal, or the like.
- a functional layer for an electronic device for example, a thin film transistor (TFT) or a color filter (CF) in the case of an LCD
- CF color filter
- the substrate used for the electronic device has a thin plate thickness in order to reduce the weight and thickness of the electronic device.
- a thin substrate has poor handling properties. Therefore, when an electronic device is manufactured using a thin substrate, the substrate is reinforced with a reinforcing plate, and a functional layer is formed on the reinforced substrate. Since the reinforcing plate is used only for the purpose of reinforcing the substrate, it is peeled off from the substrate after the functional layer is formed.
- the manufacturing process of this type of electronic device includes a functional layer forming process for forming a functional layer on a substrate reinforced with a reinforcing plate, and a peeling process for peeling the reinforcing plate from the substrate on which the functional layer is formed. included.
- the peeling starting point creation device and method according to the present invention are used in a peeling process.
- a substrate that is reinforced with a reinforcing plate is used for the electronic device manufacturing process. That is, a reinforcing plate is bonded to the substrate to form a laminate, which is used for manufacturing an electronic device.
- FIG. 1 is an enlarged view of a main part of a side surface showing an example of a laminated body 1 used in a manufacturing process of an electronic device.
- the laminated body 1 used for the manufacturing process of an electronic device includes a substrate (first substrate) 2 on which a functional layer is formed, and a reinforcing plate (second substrate) 3 that reinforces the substrate 2.
- the reinforcing plate 3 is bonded together.
- the reinforcing plate 3 includes a resin layer 4 on a surface 3 a which is a first main surface, and the substrate 2 is attached on the resin layer 4. That is, the substrate 2 is attached to the reinforcing plate 3 by van der Waals force acting between the resin layer 4 provided on the reinforcing plate 3 or the adhesive force of the resin layer 4.
- the reinforcing plate 3 is attached to the substrate 2 via the resin layer 4.
- the reinforcing plate 3 is attached to the substrate 2 without using the resin layer 4. It can also be.
- the substrate 2 and the reinforcing plate 3 are detachably bonded to each other by van der Waals force acting between the substrate 2 and the reinforcing plate 3.
- substrate 2 is a board
- the substrate 2 has a front surface 2a that is a first main surface and a back surface 2b that is a second main surface, and a functional layer is formed on the front surface 2a.
- the reinforcing plate 3 is attached to the back surface 2 b of the substrate 2 to reinforce the substrate 2.
- the substrate 2 can be composed of, for example, a glass substrate, a ceramic substrate, a resin substrate, a metal substrate, a semiconductor substrate, or the like.
- the glass substrate is suitable as the substrate 2 for an electronic device because it is excellent in chemical resistance and moisture permeability and has a small linear expansion coefficient. As the linear expansion coefficient becomes smaller, the pattern of the functional layer formed at a high temperature becomes difficult to shift during cooling.
- the glass of the glass substrate for example, alkali-free glass, borosilicate glass, soda lime glass, high silica glass, and other oxide-based glass mainly composed of silicon oxide can be employed.
- oxide-based glass a glass having a silicon oxide content of 40 to 90% by mass in terms of oxide is preferable.
- the glass of the glass substrate it is preferable to select and employ a glass suitable for the type of electronic device to be manufactured and its manufacturing process.
- a glass suitable for the type of electronic device to be manufactured and its manufacturing process For example, it is preferable to employ glass (non-alkali glass) that does not substantially contain an alkali metal component for the glass substrate for a liquid crystal panel.
- the resin of the resin substrate may be a crystalline resin or an amorphous resin.
- the crystalline resin include thermoplastic resins such as polyamide, polyacetal, polybutylene terephthalate, polyethylene terephthalate, polyethylene naphthalate, or syndiotactic polystyrene.
- Thermosetting resins include polyphenylene sulfide and polyether ether ketone. , Liquid crystal polymer, fluororesin, or polyether nitrile.
- the amorphous resin include thermoplastic resins such as polycarbonate, modified polyphenylene ether, polycyclohexene, or polynorbornene-based resins.
- Thermosetting resins include polysulfone, polyethersulfone, polyarylate, Polyamideimide, polyetherimide, or thermoplastic polyimide may be used.
- the resin of the resin substrate it is preferable to select and use a resin suitable for the type of electronic device to be manufactured and the manufacturing process.
- the thickness of the substrate 2 is set according to the type of the substrate 2.
- the thickness thereof is preferably 0.7 mm or less, more preferably 0.3 mm or less, and further preferably 0.1 mm or less, in order to reduce the weight and thickness of the electronic device.
- the thickness is preferably 0.03 mm or more because the glass substrate is easy to manufacture and the glass substrate is easy to handle. .
- the substrate 2 is composed of a single substrate, but the substrate 2 can also be composed of a plurality of substrates. That is, the board
- the reinforcing plate 3 is a substrate (second substrate) for reinforcing the substrate 2 and is attached to the substrate 2 to prevent the substrate 2 from being deformed, scratched, damaged or the like. The reinforcing plate 3 is finally removed from the substrate 2 because the purpose is to reinforce the substrate 2.
- the reinforcing plate 3 includes a front surface 3a that is a first main surface and a back surface 3b that is a second main surface, and the substrate 2 is attached to the front surface 3a side.
- the reinforcing plate 3 according to the present embodiment includes the resin layer 4 on the surface 3 a and is attached to the substrate 2 through the resin layer 4.
- the reinforcing plate 3 can be composed of, for example, a glass substrate, a ceramic substrate, a resin substrate, a metal substrate, a semiconductor substrate, or the like.
- the type of the reinforcing plate 3 is selected according to the type of electronic device to be manufactured, the type of the substrate 2 used for the electronic device, and the like. When the reinforcing plate 3 and the substrate 2 are of the same type, it is possible to reduce warping and peeling due to temperature changes.
- the difference (absolute value) in the average linear expansion coefficient between the reinforcing plate 3 and the substrate 2 is appropriately set according to the dimensional shape and the like of the substrate 2, but is preferably 35 ⁇ 10 ⁇ 7 / ° C. or less, for example.
- the “average linear expansion coefficient” means an average linear expansion coefficient (JIS R 3102) in a temperature range of 50 to 300 ° C.
- the plate thickness of the reinforcing plate 3 is set to 0.7 mm or less, for example, and is set according to the type of the reinforcing plate 3, the type of the substrate 2 to be reinforced, the plate thickness, and the like.
- the reinforcing plate 3 may be thicker or thinner than the substrate 2, but is preferably 0.4 mm or more in order to reinforce the substrate 2.
- the reinforcing plate 3 is composed of a single substrate, but the reinforcing plate 3 can also be composed of a plurality of substrates. That is, the reinforcing plate 3 can also be configured by a laminated body in which a plurality of substrates are laminated.
- the resin layer 4 is provided on the surface 3 a of the reinforcing plate 3, and causes the reinforcing plate 3 to adhere to the substrate 2.
- the substrate 2 is attached in close contact with the reinforcing plate 3 by van der Waals force acting between the resin layer 4 or the adhesive force of the resin layer 4.
- the resin layer 4 prevents the laminate 1 from peeling at an unintended position (between the resin layer 4 and the reinforcing plate 3). It is set so as to be relatively higher than the binding force. Thereby, when the peeling operation is performed, the laminate 1 is peeled between the resin layer 4 and the substrate 2.
- the resin constituting the resin layer 4 is not particularly limited.
- the resin of the resin layer 4 includes acrylic resin, polyolefin resin, polyurethane resin, polyimide resin, silicone resin, polyimide silicone resin, and the like.
- acrylic resin polyolefin resin
- polyurethane resin polyimide resin
- silicone resin silicone resin
- polyimide silicone resin and the like.
- silicone resins and polyimide silicone resins are preferred from the viewpoints of heat resistance and peelability.
- the plate thickness of the resin layer 4 is not particularly limited, but is preferably set to 1 to 50 ⁇ m, more preferably 4 to 20 ⁇ m. By setting the plate thickness of the resin layer 4 to 1 ⁇ m or more, when bubbles or foreign matters are mixed between the resin layer 4 and the substrate 2, the thickness of the bubbles or foreign matters can be absorbed by the deformation of the resin layer 4. it can. On the other hand, when the thickness of the resin layer 4 is 50 ⁇ m or less, the formation time of the resin layer 4 can be shortened, and further, the resin of the resin layer 4 is not used more than necessary, which is economical.
- the outer shape of the resin layer 4 is preferably the same as or smaller than the outer shape of the reinforcing plate 3 so that the reinforcing plate 3 can support the entire resin layer 4.
- the outer shape of the resin layer 4 is preferably the same as or larger than the outer shape of the substrate 2 so that the resin layer 4 can adhere to the entire substrate 2.
- the resin layer 4 is composed of one layer, but the resin layer 4 may be composed of two or more layers. In this case, the total thickness of all the layers constituting the resin layer 4 is the thickness of the resin layer. In this case, the type of resin constituting each layer may be different.
- the laminate 1 of the present embodiment has the substrate 2 and the reinforcing plate 3 bonded together via the resin layer 4, but the substrate 2 and the reinforcing plate 3 are not used without using the resin layer 4. Can also be pasted together.
- the bonding surface of the substrate 2 and the reinforcing plate 3 (the back surface 2b of the substrate 2 and the surface 3a of the reinforcing plate 3) is mirror-polished to reduce the surface roughness of the bonding surface.
- the reinforcing plate 3 may be bonded together.
- a functional layer is formed on the surface 2a of the substrate 2 of the laminate 1 through the functional layer forming step.
- the type of functional layer is selected according to the type of electronic device. For example, in the case of an LCD, a thin film transistor (TFT), a color filter (CF), etc.) are formed on the surface (first main surface) 2a of the substrate 2. As the functional layer, a plurality of functional layers may be sequentially stacked.
- TFT thin film transistor
- CF color filter
- a general method is used as a method for forming the functional layer.
- a vapor deposition method such as a CVD (Chemical Vapor Deposition) method, a PVD (Physical Vapor Deposition) method, a sputtering method, or the like is used.
- the functional layer is formed in a predetermined pattern by a photolithography method, an etching method, or the like.
- FIG. 2 is an enlarged side view of an essential part of an example of the laminate 6 produced during the manufacturing process of the LCD.
- the laminate 6 includes a reinforcing plate 3A, a resin layer 4A, a substrate 2A, a liquid crystal layer 7, a substrate 2B, a resin layer 4B, and a reinforcing plate 3B in this order. It is configured by stacking. That is, the laminated body shown in FIG. 1 is configured to be arranged symmetrically (positioned so that the surfaces of the substrates face each other) with the liquid crystal layer 7 interposed therebetween.
- one laminate a laminate comprising the substrate 2A, the resin layer 4A, and the reinforcing plate 3A
- 3B is defined as a second stacked body 1B.
- a thin film transistor (TFT) as a functional layer is formed on the surface (surface on the liquid crystal layer 7 side: first main surface) 2Aa of the substrate 2A of the first stacked body 1A, and the substrate 2B of the second stacked body 1B
- a color filter (CF) as a functional layer is formed on the surface (surface on the liquid crystal layer 7 side: first main surface) 2Ba.
- the first laminated body 1A and the second laminated body 1B are integrated by overlapping the surfaces 2Aa and 2Ba of the substrates 2A and 2B. Thereby, the laminated body 6 having a structure in which the first laminated body 1A and the second laminated body 1B are arranged symmetrically with the liquid crystal layer 7 interposed therebetween is manufactured.
- the reinforcing plates 3 ⁇ / b> A and 3 ⁇ / b> B are peeled off in the peeling step, and thereafter, a polarizing plate, a backlight, and the like are attached to manufacture a product LCD.
- the reinforcing plates 3A and 3B can be peeled off after forming a functional layer such as a thin film transistor (TFT) or a color filter (CF). That is, in the above example, the reinforcing plates 3A and 3B are peeled off after the liquid crystal layer 7 is formed. However, before the liquid crystal layer 7 is formed, the first laminated body 1A and the second laminated body 1B are separated. It can also be set as the structure which peels reinforcement board 3A, 3B.
- TFT thin film transistor
- CF color filter
- the reinforcing plates 3A and 3B are arranged on both the front and back surfaces, but the laminated body may have a constitution in which the reinforcing plate is arranged only on one side. .
- FIG. 3 is a plan view showing an example of the peeling apparatus 10.
- FIG. 4 is a side view of the peeling apparatus 10 shown in FIG.
- the peeling apparatus 10 peels the reinforcing plate 3 from the substrate 2 by bending and deforming the reinforcing plate 3 with respect to the substrate 2.
- the reinforcing plate 3 is gradually bent and deformed from one corner portion 1C of the laminated body 1 toward the other corner portion 1D located on the diagonal line, and the reinforcing plate 3 is peeled off from the substrate 2.
- peeling advances from one corner part 1C of the laminated body 1 toward the other corner part 1D.
- the boundary between the peeled area and the unpeeled area appears as a straight line, for example, and when this straight line is defined as a peeling front A, the peeling front A is indicated by an arrow E as shown in FIG. Proceed in the direction.
- the peeling device 10 is capable of adsorbing and holding the reinforcing plate 3 via a rubber elastic sheet 12 so that the substrate 2 can be adsorbed and held without deformation, and the rubber elastic sheet 16 via a rubber elastic sheet 16. And a flexible plate 18.
- the stage 14 holds the surface (first main surface) 2 a of the substrate 2 by vacuum suction through the elastic sheet 12.
- the stage 14 is fixed to the upper surface of the gantry 20 and installed horizontally.
- the stage 14 is sufficiently larger in area than the substrate 2 and has a shape along the outer shape of the substrate 2 (in this example, a rectangular shape).
- the flexible plate 18 holds the back surface (second main surface) 3 b of the reinforcing plate 3 by vacuum suction through the elastic sheet 16.
- the flexible plate 18 includes a body portion 18A that can be bent and deformed.
- the main body 18A has a sufficiently larger area than the reinforcing plate 3 and has a shape along the outer shape of the reinforcing plate 3 (in this example, a rectangular shape).
- One end of the main body 18A is provided with a rectangular protrusion 18B that protrudes in the horizontal direction from the corner 1C of the laminated body 1 toward the outside. Further, the other end of the main body portion 18A is provided with a rectangular protruding portion 18C protruding in the horizontal direction from the corner portion 1D of the laminated body 1 toward the outside.
- the protrusions 18B and 18C are provided along the traveling direction of the peeling front A (the direction of arrow E).
- the bending rigidity per unit width (1 mm) of the flexible plate 18 is preferably 1000 to 40000 N ⁇ mm.
- the bending rigidity is 100000 to 4000000 N ⁇ mm.
- a resin plate such as polyvinyl chloride (PVC), polycarbonate resin, acrylic resin, polyacetal (POM) resin, or a metal plate can be used.
- PVC polyvinyl chloride
- POM polyacetal
- a shaft 22 is provided in the horizontal direction at the end of the protrusion 18C of the flexible plate 18.
- the shaft 22 is rotatably supported by bearings 24 and 24 fixed to the upper surface of the gantry 20. Therefore, the flexible plate 18 is provided to be tiltable with respect to the gantry 20 around the shaft 22.
- a servo cylinder 26 as a driving means is mounted on the flexible plate 18.
- the servo cylinder 26 includes a cylinder body 26A and a piston 26B.
- the servo cylinder 26 is arranged so that the axis of the piston 26B is positioned on a straight line connecting the corner portion 1C and the corner portion 1D of the multilayer body 1 in a plan view of FIG. That is, the servo cylinder 26 is arranged such that the piston 26B expands and contracts along the traveling direction of the peeling front A (the direction of arrow E).
- a shaft 28 is provided in the horizontal direction at the base end of the cylinder body 26A.
- the shaft 28 is rotatably supported by bearings 30 and 30 fixed to the upper surface of the protruding portion 18C of the flexible plate 18.
- a shaft 32 is provided in the horizontal direction at the tip of the piston 26B.
- the shaft 32 is rotatably supported by bearings 34 and 34 fixed to the upper surface of the protruding portion 18B of the flexible plate 18.
- the servo cylinder 26 is used as the driving means.
- the driving means includes a linear motion device including a rotary servo motor and a feed screw mechanism, and a fluid pressure cylinder (for example, air pressure). Cylinder) or the like can also be used.
- FIGS. 5A and 5B are explanatory diagrams of the operation of the peeling apparatus 10.
- 5A shows the state of the peeling device 10 after a predetermined time has elapsed from the start of peeling
- FIG. 5B shows the state of the peeling device 10 immediately after the reinforcing plate 3 is peeled off. Yes.
- the laminated body 1 set in the peeling apparatus 10 has the surface 2 a of the substrate 2 adsorbed and held on the stage 14 via the elastic sheet 12. Further, the back surface 3 b of the reinforcing plate 3 is adsorbed and held on the flexible plate 18 via the elastic sheet 16.
- the piston 26B of the servo cylinder 26 is in an extended state (see FIG. 4).
- the reinforcing plate 3 attracted and held by the flexible plate 18 also starts to bend and deform, and as a result, peeling starts from the corner portion 1C.
- the servo cylinder 26 is rotatably supported around the shaft 28 and the shaft 32, when the flexible plate 18 is bent and deformed, the servo cylinder 26 tilts around the shaft 28. This tilting of the servo cylinder 26 is interlocked with the bending deformation of the flexible plate 18.
- 6 (A) and 6 (B) are operation explanatory views of the peeling device 10 after peeling the reinforcing plate 3.
- 6A shows a state where the peeled reinforcing plate 3 is retracted in the vertical direction
- FIG. 6B shows a state where the peeled reinforcing plate 3 is held by the carry-out device 36. Yes.
- the flexible plate 18 is tilted about the shaft 22 by a tilting device (not shown) and is positioned at the retracted position shown in FIG.
- the piston 26B extends and returns to the initial state. Thereby, the bending deformation of the flexible plate 18 is eliminated, and as shown in FIG. 6B, the flexible plate 18 is held in a vertically upright state without bending. This also eliminates the bending deformation of the reinforcing plate 3 and holds the reinforcing plate 3 upright.
- the carry-out device 36 moves forward toward the reinforcing plate 3.
- the surface (first main surface) 3a of the reinforcing plate 3 is sucked and held by the suction pads 38, 38... Provided in the carry-out device 36.
- the suction of the back surface 3 b of the reinforcing plate 3 by the flexible plate 18 is released, and the reinforcing plate 3 is carried out of the peeling device 10 by the carry-out device 36.
- an unillustrated unloading device moves forward toward the substrate 2. And the back surface (2nd main surface) 2b of the board
- substrate 2 is adsorbed-held by the suction pad with which this carrying-out apparatus was equipped. Thereafter, the adsorption of the substrate 2 by the stage 14 is released, and the substrate 2 is unloaded from the peeling device 10 by the unloading device.
- the ratio of the length of the substrate 2 (reinforcing plate 3) in the direction orthogonal to the traveling direction of the peeling front A (arrow E in FIG. 3) and the length of the flexible plate 18 becomes equal.
- the traveling speed of the peeling front A when the peeling front A is shorter than the traveling speed of the peeling front A when the peeling front A is long. Therefore, the deflection (bound) of the flexible plate 18 that occurs immediately after the end of peeling due to the spring bag action of the flexible plate 18 can be suppressed.
- the substrate 2 is supported so as not to be deformed, and the reinforcing plate 3 is bent and deformed to peel the reinforcing plate 3 from the substrate 2.
- the reinforcing plate 3 is supported so as not to be deformed, and the substrate 2 is deformed.
- the reinforcing plate 3 can be peeled from the substrate 2 by bending and deforming.
- the laminate 1 is set in the peeling device 10 so that the back surface 3 b of the reinforcing plate 3 is sucked and held by the stage 14 and the front surface 2 a of the substrate 2 is sucked and held by the flexible plate 18.
- the case where the laminated body 1 shown in FIG. 1 is peeled is described as an example.
- the laminated body 6 shown in FIG. after peeling the reinforcing plate 3A of the first laminated body 1A, the reinforcing plate 3B of the second laminated body 1B is peeled off.
- the reinforcing plate 3A of the first laminated body 1A is peeled off.
- the peeling apparatus 10 having the above configuration is an example of a peeling apparatus. Therefore, the reinforcing plate 3 can be peeled off using a peeling device having another configuration.
- the flexible plate 18 is bent and deformed by the servo cylinder 26.
- a plurality of rods are provided. It can also be set as the structure which bends and deforms a flexible board using it. That is, it is also possible to adopt a configuration in which a plurality of rods are two-dimensionally arranged on the flexible plate and each rod is individually expanded and contracted to bend and deform the flexible plate sequentially from one end side.
- the peeling device 10 peels the reinforcing plate 3 from the substrate 2 by gradually bending and deforming the reinforcing plate 3 from one end to the other end of the laminate 1.
- the reinforcing plate 3 can be smoothly peeled from the substrate 2 without applying an excessive force.
- the gap serving as the starting point of the peeling can be created by inserting a thin plate knife between the substrate 2 and the reinforcing plate 3. That is, by inserting a knife, the substrate 2 and the reinforcing plate 3 are forcibly separated from each other, and a gap serving as a separation starting point is formed.
- FIG. 7 is an explanatory diagram for explaining an outline of a method for creating a peeling start point.
- 7A shows a state before the knife N is adjusted
- FIG. 7B shows a state after the knife N is adjusted
- FIG. 7C shows a state where the knife N is inserted. Yes.
- the peeling start point is created by inserting a thin plate-shaped knife between the substrate 2 and the reinforcing plate 3.
- the laminated body 1 supports, for example, the back surface (second main surface) 3B of the reinforcing plate 3 by suction with a table (not shown) and horizontally supported.
- the knife N is horizontally supported so that the cutting edge faces the end surface (for example, the end surface of the corner portion) of the laminate 1 at the position where the peeling start point is created.
- the knife N is configured to be movable in the vertical direction (Z-axis direction in the drawing) by a position adjusting means (not shown) and to adjust the height position (vertical position) of the blade edge.
- the knife N and the laminate 1 can be moved relative to each other in the horizontal direction (X-axis direction in the figure) by a moving means (not shown), and the knife N can be inserted into the laminate 1. To do.
- the cutting edge of the knife N exists at a position shifted in the height direction (Z-axis direction) from the knife insertion position.
- the position of the cutting edge of the knife N in the height direction (vertical direction) is adjusted.
- the position of the blade edge of the knife N is adjusted by moving the knife N in the vertical direction (Z-axis direction in the figure) so that the blade edge of the knife N is positioned at the same height as the knife insertion position.
- the knife insertion position is set between the substrate 2 and the reinforcing plate 3. Since the laminated body 1 of this Embodiment has the resin layer 4 between the board
- the knife N After adjusting the position of the knife N, as shown in FIG. 7C, the knife N is moved horizontally toward the laminate 1, and the knife N is inserted between the substrate 2 and the reinforcing plate 3. Since the knife N is positioned at the same height as the knife insertion position, the knife N is inserted between the substrate 2 and the reinforcing plate 3 when moved horizontally toward the laminate 1. .
- the reinforcing plate 3 When the knife N is inserted between the substrate 2 and the reinforcing plate 3, the reinforcing plate 3 is separated from the substrate 2 and a separation starting point as a gap is created.
- the knife N is inserted by a predetermined amount, and after insertion, the knife N is pulled back horizontally and returned to the initial position.
- the peeling start point is created by inserting the knife N horizontally between the substrate 2 and the reinforcing plate 3.
- the position adjustment of the blade edge is performed by obtaining the vertical deviation amount between the current knife edge position and the knife insertion position of the knife N and moving the knife N in the vertical direction so as to cancel the deviation (deviation amount).
- the knife N is moved in the vertical direction by the same amount).
- the amount of deviation can be obtained by acquiring information on the position of the blade edge of the knife N in the vertical direction and information on the knife insertion position in the vertical direction.
- the information on the position of the cutting edge of the knife N in the vertical direction can be acquired as information on the vertical position (height from the reference plane) of the cutting edge of the knife N with reference to a certain horizontal reference plane.
- This information can be acquired by detecting the position of the blade edge of the knife N using position detecting means for detecting the position in the direction perpendicular to the reference plane with reference to the reference plane.
- information on the knife insertion position in the vertical direction includes information on the vertical position (height from the reference plane) of the back surface (second main surface) 3A of the reinforcing plate 3 with respect to the reference plane, and the reinforcing plate 3. Obtained from the plate thickness (when the reinforcing plate 3 has the resin layer 4 on the surface (first main surface) 3A, the plate thickness of the reinforcing plate itself and the plate thickness information including the resin layer 4). be able to. That is, the knife insertion position is set between the substrate 2 and the reinforcing plate 3 and is set to the position of the surface (first main surface) 3A of the reinforcing plate 3 (when the reinforcing plate 3 has the resin layer 4).
- the position of the resin layer 4 (in particular, the center position in the thickness direction of the resin layer 4).
- the position of the front surface 3a of the reinforcing plate 3 is the thickness of the reinforcing plate 3 at the position of the back surface 3b of the reinforcing plate 3 (if the reinforcing plate 3 has the resin layer 4, the thickness including the resin layer 4 (more Strictly speaking, it can be obtained by adding “the thickness of the reinforcing plate + 1 ⁇ 2 the thickness of the resin layer”)). Therefore, if information on the position in the vertical direction of the back surface 3b of the reinforcing plate 3 relative to the reference surface and information on the thickness of the reinforcing plate 3 can be acquired, the knife insertion position in the vertical direction can be obtained.
- the position in the vertical direction of the back surface 3b of the reinforcing plate 3 with respect to the reference surface is determined by using position detecting means for detecting the position in the direction perpendicular to the reference surface with reference to the reference surface. It can be obtained by detecting the position.
- the thickness of the reinforcing plate 3 (when the reinforcing plate 3 has the resin layer 4, the thickness of the reinforcing plate itself and the thickness including the resin layer 4) is detected by a predetermined thickness detecting means. Can be obtained.
- the amount of deviation between the current position of the blade edge of the knife N and the position where the knife is inserted is based on the horizontal reference surface as the reference position of the blade edge of the knife N in the vertical direction and the position of the back surface 3b of the reinforcing plate 3 in the vertical direction.
- the thickness of the reinforcing plate 3 (when the reinforcing plate 3 has the resin layer 4 on the surface 3a, the thickness of the reinforcing plate 3 and the thickness of the resin layer 4). It can be obtained by detecting with a plate thickness detecting means.
- FIG. 8 is a schematic view of a mechanism for detecting a deviation amount between the position of the blade edge of the knife N and the knife insertion position.
- the displacement amount is detected by detecting the position of the cutting edge of the knife N and the position of the back surface 3b of the reinforcing plate 3 with the position detecting means, and the thickness of the reinforcing plate 3 with the plate thickness detecting means. It is calculated
- the position of the cutting edge of the knife N in the vertical direction and the position of the back surface 3b of the reinforcing plate 3 in the vertical direction are detected by using a known laser displacement meter 50 as position detecting means.
- the laser displacement meter 50 emits laser light as detection light, and detects the distance to the surface of the object irradiated with the laser light (detects the amount of displacement from the reference surface and detects the distance from the reference surface). ).
- the reference plane is set as a horizontal plane, for example.
- the plate thickness detecting means uses the spectral interference method to determine the thickness of the reinforcing plate 3.
- a known plate thickness detector 52 for detection is used.
- the plate thickness detector 52 irradiates the laminate 1 with inspection light from the light source, splits the interference light reflected by the laminate 1 with a spectroscope, receives the split light with a light receiver, and analyzes the received light waveform. Then, the plate thickness of the reinforcing plate 3 is calculated.
- the inspection light has a wavelength of a predetermined width, and the intensity change with respect to the wavelength is analyzed in the analysis of the received light waveform.
- the plate thickness detector by the spectral interference method is used when the thickness of the reinforcing plate 3 provided with the resin layer 4 is detected and the refractive index of the resin layer 4 is different from the refractive index of the substrate 2.
- the thickness of the reinforcing plate 3 itself and the thickness of the reinforcing plate 3 including the resin layer 4 can be detected.
- the refractive index of the reinforcing plate 3 itself and the refractive index of the substrate 2 itself are different, or the refractive index of the boundary surface between the reinforcing plate 3 and the substrate 2 is When they are different (for example, when the substrate 2 or the reinforcing plate 3 is formed), a plate thickness detector using a spectral interference method is used. When using a plate thickness detector by the spectral interference method, it is sufficient that the refractive index changes on the boundary surface between the substrate 2 and the reinforcing plate 3.
- the laminate is recognized as a single plate.
- a plate thickness detector other than the spectroscopic interferometry for example, a plate thickness detector by a triangulation method can be used.
- the thickness of the reinforcing plate 3 is detected using inspection light having a predetermined wavelength.
- a plate thickness detector by triangulation is used. .
- the back surface 3b of the reinforcing plate 3 is assumed to be parallel to the reference surface.
- the front surface 3a of the reinforcing plate 3, the back surface 2b of the substrate 2, and the front surface 2a of the substrate 2 are assumed to be parallel to the reference plane.
- the laminate 1 and the knife N are provided so as to be relatively movable in the horizontal direction by moving means (not shown).
- the knife N is provided so as to be movable in the vertical direction by position adjusting means (not shown).
- the laser displacement meter 50 as a position detection means is installed on the moving path of the laminated body 1 and the knife N, and emits a laser beam vertically.
- the laminate 1 and the knife N move on the same straight line (on the X axis in the figure), and the laser displacement meter 50 is installed on this straight line.
- the laminated body 1 moves to the installation position of the laser displacement meter 50 (more precisely, the emission position (detection position) of the laser beam), so that the laser beam is applied to the back surface (second main surface) 3b of the reinforcing plate 3. Is irradiated. Thereby, the vertical position (distance L2 from the reference plane) of the back surface 3b of the reinforcing plate 3 is detected.
- the knife N moves to the installation position of the laser displacement meter 50, so that the cutting edge is irradiated with laser light, and the position of the cutting edge (distance L1 from the reference surface) is detected.
- the position detection with the laser displacement meter 50 is detection at a pinpoint, when the blade edge of the knife N is detected with the laser displacement meter 50, the blade edge of the knife N is scanned with laser light. It is preferable to move the knife N.
- FIG. 9 is a graph showing the relationship between the amount of horizontal movement of the knife N and the output of the laser displacement meter 50.
- the knife N is moved horizontally so that the cutting edge of the knife N is scanned by the laser light emitted from the laser displacement meter 50, thereby changing the overall position of the knife tip including the cutting edge.
- the position of the blade edge of the knife N can be detected accurately.
- the knife N is moved horizontally so that at least the tip of the knife N including the cutting edge passes through the laser beam emission position (detection position) of the laser displacement meter 50.
- the plate thickness detector 52 is installed on the moving path of the laminate 1.
- the laminate 1 is moved to the installation position of the plate thickness detector 52 to detect the plate thickness of the reinforcing plate 3.
- the plate thickness T1 of the reinforcing plate itself and the plate thickness T2 including the resin layer 4 are detected.
- the position for detecting the plate thickness is preferably the same position as the position for detecting the position of the back surface 3b of the reinforcing plate 3 in the vertical direction.
- FIG. 10 is an explanatory diagram of a procedure for detecting the amount of deviation between the position of the blade edge of the knife N and the knife insertion position.
- 10A shows an initial state
- FIG. 10B shows a state in which the position of the blade tip of the knife N is detected
- FIG. 10C shows a plate thickness of the reinforcing plate 3.
- FIG. 10D shows a state where the position of the back surface of the reinforcing plate is detected.
- the knife N and the laminate 1 are both positioned at a position away from the detection position of the laser displacement meter 50 and the detection position of the plate thickness detector 52. Yes.
- the knife N is moved horizontally to the detection position (laser beam emission position) of the laser displacement meter 50, and the position of the blade edge of the knife N is detected.
- the knife N is moved horizontally so that the cutting edge of the knife N is scanned by the laser light emitted from the laser displacement meter 50, and the position of the cutting edge of the knife N is detected.
- the knife N After detecting the position of the blade edge of the knife N, the knife N is returned to the initial position (position shown in FIG. 10A).
- the laminate 1 is moved horizontally to the detection position of the plate thickness detector 52, and the plate thickness of the reinforcing plate 3 is detected.
- the plate thickness T 1 of the reinforcing plate itself and the plate thickness T 2 including the resin layer 4 are detected.
- the plate thickness detection by the spectral interference method includes the plate thickness T1 of the reinforcing plate itself and the resin layer 4 when the refractive index of the resin layer 4 and the refractive index of the substrate 2 are different.
- the plate thickness T2 is detected.
- the refractive index of the reinforcing plate 3 is different from the refractive index of the substrate 2, or the refractive index of the boundary surface between the reinforcing plate 3 and the substrate 2 is different. In this case, only the thickness T1 of the reinforcing plate 3 is detected.
- the laminate 1 After detecting the thickness of the reinforcing plate 3, as shown in FIG. 10D, the laminate 1 is moved to the detection position of the laser displacement meter 50, and the position of the back surface 3b of the reinforcing plate 3 (distance L2 from the reference surface). ) Is detected.
- the position of the back surface 3b of the reinforcing plate 3 is detected at the same position as the position where the plate thickness detector 52 detects the plate thickness.
- a series of steps described above (a position detecting step comprising a step of detecting the position of the blade edge of the knife N and a step of detecting the position of the back surface 3b of the reinforcing plate 3, and a plate thickness detecting step of detecting the plate thickness of the reinforcing plate 3) )
- a position detecting step comprising a step of detecting the position of the blade edge of the knife N and a step of detecting the position of the back surface 3b of the reinforcing plate 3, and a plate thickness detecting step of detecting the plate thickness of the reinforcing plate 3
- a deviation amount is calculated based on the acquired information. The calculation of the deviation amount is performed as follows.
- the knife insertion position (distance L3 from the reference surface) is a position obtained by adding the thickness of the reinforcing plate 3 to the position of the back surface 3b of the reinforcing plate 3 detected by the laser displacement meter 50.
- the average ((T1 + T2) / 2) of the plate thickness T1 of the reinforcing plate itself and the plate thickness T2 including the resin layer 4 is the reinforcing plate 3.
- the displacement amount H is calculated. Then, after the calculation, based on the information on the obtained deviation amount, the knife N is moved in the vertical direction so as to cancel the deviation, and the blade edge of the knife N is positioned at the knife insertion position (execution of the position adjustment step). ).
- FIG. 11 is a front view showing an embodiment of the peeling start point creation device 100.
- FIG. 12 is a plan view of the peeling start point creation apparatus 100 shown in FIG.
- the peeling start point creation apparatus 100 includes a table 112 that supports the laminate 1, a holder 114 that holds the knife N, a table drive unit 116 that moves the table 112 horizontally, and a knife drive unit 118 that moves the knife N horizontally. And a position adjustment unit 120 for adjusting the position of the knife N in the height direction (vertical direction: Z direction in the figure), and the position in the height direction of the back surface 3b of the reinforcing plate 3 supported by the table 112.
- a laser displacement meter 50 for detecting the height direction position of the cutting edge of the knife N
- a plate thickness detector 52 for detecting the plate thickness of the reinforcing plate 3 of the laminate 1 supported by the table 112
- a control unit (not shown) that performs overall control of the operation and executes various arithmetic processes is configured.
- the table 112 is installed horizontally on the table support frame 122.
- the table 112 has an outer shape corresponding to the outer shape of the multilayer body 1 so as to support almost the entire surface of the multilayer body 1. Since the outer shape of the stacked body 1 of the present embodiment is rectangular, the table 112 also has a rectangular shape.
- the upper surface of the table 112 is a mounting surface of the stacked body 1 and is configured as a horizontal plane. The stacked body 1 is placed on the upper surface (mounting surface) of the table 112.
- the table 112 is provided with a suction mechanism (not shown).
- the back surface (here, the back surface 3b of the reinforcing plate 3) of the laminate 1 placed on the table 112 is vacuum-sucked by the suction mechanism. Thereby, the stacked body 1 placed on the table 112 is sucked and held on the table 112.
- the table 112 is installed so that the creation part of the peeling start point faces the cutting edge of the knife N.
- the table 112 is installed so that the corner portion 1C faces the blade edge of the knife N.
- the table 112 has a notch 112 ⁇ / b> A in part so that the laser displacement meter 50 can detect the position of the back surface (back surface 3 b of the reinforcing plate 3) of the supported laminated body 1.
- This notch 112A is preferably formed at the location where the peeling start point is created. For this reason, the table 112 has a notch 112 ⁇ / b> A in a corner portion corresponding to a creation location of the peeling start point of the laminate 1.
- the knife N has a rectangular flat plate shape and has an acute blade at one long side portion.
- the knife N is preferably elastically deformed when inserted between the substrate 2 and the reinforcing plate 3.
- the plate thickness of the knife N is, for example, 50 to 600 ⁇ m although it depends on the configuration of the laminate 1.
- the holder 114 holds the knife N in a detachable manner.
- the holder 114 holds both ends of the knife N and holds the knife N horizontally.
- the knife N is installed in parallel with the laminated body 1 supported by the table 112 (the back surface 3b of the reinforcing plate 3 of the laminated body 1, the front surface 3a of the reinforcing plate 3, and the substrate 2). It is installed in parallel with the back surface 2b and the front surface 2a of the substrate 2.)
- the table driving unit 116 constitutes a laminate moving means, and horizontally moves the table support frame 122 on which the table 112 is installed, and horizontally moves the laminate 1 supported by the table 112.
- the table driving unit 116 rotates the main body frame 132, a rail 134 provided on the main body frame 132, a slider 136 that slides on the rail 134, a screw rod 138 disposed along the rail 134, and the screw rod 138.
- a motor 140 to be configured.
- the main body frame 132 is horizontally installed on the base 102 of the separation starting point creating apparatus 100.
- the rail 134 is provided in the main body frame 132.
- the rail 134 is a straight line and guides the slider 136 along the straight line.
- the main body frame 132 is installed on the base 102 so that the rails 134 are disposed horizontally.
- the slider 136 moves linearly by sliding along the rail 134.
- the table support frame 122 is installed on the slider 136. Thereby, the table support stand 122 is supported movably along a horizontal straight line.
- the slider 136 has a screw hole (not shown) parallel to the rail 134.
- the screw rod 138 is screwed into the screw hole of the slider 136.
- the slider 136 moves along the rail 134 in accordance with the amount of rotation of the screw rod 138.
- the screw rod 138 is disposed in parallel with the rail 134, and both ends thereof are rotatably supported by bearings (not shown) provided in the main body frame 132.
- the motor 140 is provided in the main body frame 132 and rotates the screw rod 138.
- the motor 140 is composed of, for example, a servo motor.
- the knife drive unit 118 constitutes a knife moving means, and horizontally moves the holder 114 that holds the knife N to horizontally move the knife N.
- the knife drive unit 118 is installed on the gantry 104 installed on the base 102.
- the knife driving unit 118 rotates the main body frame 142, a rail 144 provided on the main body frame 142, a slider 146 that slides on the rail 144, a screw rod 148 disposed along the rail 144, and the screw rod 148. And a motor 140 to be configured.
- the main body frame 142 is installed horizontally on the gantry 104.
- the rail 144 is provided in the main body frame 142.
- the rail 144 is a straight line and guides the slider 146 along the straight line.
- the main body frame 142 is installed on the gantry 104 so that the rails 144 are disposed horizontally.
- the slider 146 moves linearly by sliding along the rail 144.
- the holder 114 is installed on the slider 146 via the position adjustment unit 120. Thereby, the holder 114 is supported movably along a horizontal straight line.
- the slider 146 has a screw hole (not shown) parallel to the rail 144.
- the screw rod 148 is screwed into the screw hole of the slider 146. Accordingly, when the screw rod 148 is rotated, the slider 146 moves along the rail 144 according to the rotation amount of the screw rod 148.
- the screw rod 148 is disposed in parallel with the rail 144, and both ends thereof are rotatably supported by bearings (not shown) provided in the main body frame 142.
- the motor 140 is provided in the main body frame 142 and rotationally drives the screw rod 148.
- the motor 140 is composed of, for example, a servo motor.
- the rail 144 of the knife drive unit 118 is installed so as to be parallel to the rail 134 of the table drive unit 116. Thereby, the table 112 and the knife N move linearly in the same direction (X-axis direction in FIG. 11) on the horizontal plane.
- the rail 144 of the knife drive unit 118 and the rail 134 of the table drive unit 116 are installed on the same straight line. Thereby, the laminated body 1 and the knife N are provided so that advancing and retreating on the same straight line is possible.
- the position adjusting unit 120 constitutes a position adjusting means, and moves the knife N in the vertical direction by moving the holder 114 holding the knife N in the vertical direction (Z-axis direction in FIG. 11).
- the position adjustment unit 120 is installed on the slider 146 of the knife drive unit 118.
- the position adjustment unit 120 rotates the main body frame 152, a rail 154 provided on the main body frame 152, a slider 156 that slides on the rail 154, a screw rod 158 disposed along the rail 154, and the screw rod 158. And a motor 150 to be configured.
- the main body frame 152 is vertically installed on the slider 146 of the knife drive unit 118.
- the rail 154 is provided in the main body frame 152.
- the rail 154 is a straight line and guides the slider 156 along the straight line.
- the main body frame 152 is erected and installed on the gantry 104 such that the rails 154 are arranged along the vertical direction.
- the slider 156 moves linearly by sliding along the rail 154.
- the holder 114 is attached to the slider 156. Thereby, the holder 114 is supported movably along a vertical straight line. That is, it is supported so that it can be raised and lowered in the vertical direction.
- the slider 156 has a screw hole (not shown) parallel to the rail 154.
- the screw rod 158 is screwed into the screw hole of the slider 156.
- the slider 156 moves along the rail 154 in accordance with the rotation amount of the screw rod 158.
- the screw rod 158 is disposed in parallel with the rail 154, and both ends thereof are rotatably supported by bearings (not shown) provided in the main body frame 152.
- the motor 160 is provided in the main body frame 152 and rotationally drives the screw rod 158.
- the motor 160 is constituted by a servo motor, for example.
- the table 112 that supports the stacked body 1 slides horizontally by the table driving unit 116, and the knife N slides horizontally by the knife driving unit 118.
- the table 112 is formed on a straight line S connecting the corner portion 1C of the laminate 1 that creates the peeling start point and the other corner portion 1D located on the diagonal line of the corner portion 1C. It is installed to slide along.
- the knife N is arranged on a straight line S, and the blade is arranged so that the blade is orthogonal to the straight line S. Accordingly, when the knife N is moved horizontally by aligning the position of the blade edge of the knife N with the knife insertion position (between the substrate 2 and the reinforcing plate 3) of the laminated body 1, the knife N is moved to the substrate 2 and the reinforcing plate 3. Can be inserted between.
- a laser displacement meter 50 serving as a position detection unit emits laser light as detection light, and detects the distance to the surface of the object irradiated with the laser light (amount of displacement from a reference plane set as a horizontal plane). To detect the distance from the reference plane to the surface of the object.)
- the laser displacement meter 50 is installed on the base 102 via a bracket (not shown), and emits laser light vertically upward. Further, the laser displacement meter 50 is installed on a straight line S that is a movement path of the stacked body 1 and the knife N so that the stacked body 1 and the knife N can move thereon.
- the laminated body 1 supported by the table 112 is moved to the installation position (detection position) of the laser displacement meter 50, so that the back surface (the back surface 3 b of the reinforcing plate 3) is irradiated with laser light, and the back surface of the reinforcing plate 3.
- the position in the height direction 3b (the distance L2 in the vertical direction from the reference plane) is detected.
- the cutting edge is irradiated with laser light, and the height direction position (distance L1 in the vertical direction from the reference plane) of the cutting edge is detected. .
- the plate thickness detector 52 detects the plate thickness of the reinforcing plate 3 by spectral interferometry. Therefore, the reinforcing plate 3 constituting the laminate 1 is translucent.
- the plate thickness detector 52 is installed on the base 102 via a bracket (not shown), and emits inspection light vertically upward. Further, the plate thickness detector 52 is installed on a straight line S that is a movement path of the laminated body 1 so that the laminated body 1 can move thereon.
- the laminated body 1 supported by the table 112 moves to the installation position (plate thickness detection position) of the plate thickness detector 52, so that the inspection light is emitted toward the back surface (the back surface 3b of the reinforcing plate 3).
- the plate thickness is detected.
- the thickness T 1 of the reinforcing plate itself and the thickness T 2 of the reinforcing plate 3 including the resin layer 4 (the thickness of the reinforcing plate 3 + the thickness of the resin layer 4). Thickness) is detected as the thickness of the reinforcing plate 3.
- the thickness T1 of the reinforcing plate itself is detected.
- the control unit (not shown) performs overall control of the entire operation of the peeling start point creation device 100 and executes various arithmetic processes.
- a control part is comprised by the microcomputer, for example, performs a predetermined
- the drive of the table drive unit 116 is controlled to control the movement of the table 112
- the drive of the knife drive unit 118 is controlled to control the movement of the knife N.
- the position adjustment unit 120 is driven based on the calculation result.
- the position of the knife N is adjusted by controlling.
- the knife N is positioned at a predetermined knife standby position
- the table 112 is positioned at a predetermined table standby position and separated from each other (see FIG. 11).
- the process symmetrical laminate 1 is set on the table 112. That is, the stacked body 1 is placed on the table 112, and the back surface of the stacked body 1 is sucked and held by the table 112. The laminated body 1 is placed on the table 112 with the reinforcing plate 3 side down so that the back surface 3 b of the reinforcing plate 3 is attracted and held by the table 112.
- the knife drive unit 118 is driven, and the knife N moves horizontally toward the installation position (detection position) of the laser displacement meter 50 (see FIG. 10B).
- laser light as detection light is emitted from the laser displacement meter 50, and detection of the position of the blade edge is started.
- the knife N stops moving when the blade edge passes a predetermined amount of the position where the laser displacement meter 50 is installed.
- the tip of the knife N including the cutting edge is scanned by the laser light emitted from the laser displacement meter 50, and the vertical position (height L1) of the cutting edge of the knife N with respect to the reference plane is detected. Is done.
- the table driving unit 116 is driven, and the stacked body 1 moves horizontally toward the installation position of the plate thickness detector 52 (plate thickness detection position).
- the laminated body 1 stops moving when a predetermined detection target portion set in the vicinity of the corner portion 1C for creating the separation start point is located at the installation position of the plate thickness detector (see FIG. 10C). ). After the movement is stopped, the inspection light is emitted from the plate thickness detector 52, and the plate thickness of the reinforcing plate 3 is detected.
- the plate thickness T1 of the reinforcing plate 3 itself and the plate thickness T2 including the resin layer 4 are the plate thickness of the reinforcing plate 3. The thickness is detected by the plate thickness detector 52.
- the plate thickness T 1 of the reinforcing plate 3 itself is detected by the plate thickness detector 52 as the plate thickness of the reinforcing plate 3.
- the table driving unit 116 is driven, and the laminate 1 moves horizontally toward the installation position (detection position) of the laser displacement meter 50.
- the movement of the laminate 1 is stopped when the detection target portion is located at the position where the laser displacement meter 50 is installed (see FIG. 10D). After the movement is stopped, laser light as detection light is emitted from the laser displacement meter 50, and the vertical position (height L2) of the back surface 3b of the reinforcing plate 3 is detected.
- a position detecting step comprising a step of detecting the position of the cutting edge of the knife N and a step of detecting the position of the back surface 3b of the reinforcing plate 3 and a plate thickness detecting step of detecting the plate thickness of the reinforcing plate 3)
- the control unit (not shown) as the calculation means includes the position information (L1) of the blade tip of the knife N detected by the laser displacement meter 50 and the position information of the back surface 3b of the reinforcing plate 3 also detected by the laser displacement meter 50. Based on (L2) and the plate thickness information (T1, T2) of the reinforcing plate 3 detected by the plate thickness detector 52, a deviation amount of the position of the blade edge of the knife N with respect to the knife insertion position is calculated.
- a step of adjusting the position of the blade edge of the knife N is performed based on the information on the calculated deviation amount. That is, the position adjustment unit 120 is driven, and the knife N is moved in the vertical direction so that the cutting edge of the knife N is positioned at the same height as the knife insertion position (see FIG. 7B).
- a step of inserting the knife N between the substrate 2 and the reinforcing plate 3 is performed. That is, the knife driving unit 118 is driven, the knife N moves horizontally toward the stacked body 1, and the knife N is inserted between the substrate 2 and the reinforcing plate 3.
- the cutting edge of the knife N is located at the knife insertion position, that is, between the substrate 2 and the reinforcing plate 3, when the knife N moves horizontally toward the laminate 1, the cutting edge of the knife N is stacked. It is inserted between the substrate 2 and the reinforcing plate 3 in the corner portion 1 ⁇ / b> C of the body 1. Thereby, a peeling start point is created in the corner portion 1C.
- the knife N stops moving when a predetermined amount is inserted into the laminate 1. After the movement is stopped, the knife N moves in the reverse direction (the direction away from the laminated body 1) and returns to the knife standby position.
- the table drive unit 116 is driven, and the table 112 returns to the table standby position. After returning, the adsorption of the stacked body 1 by the table 112 is released, and the stacked body 1 is recovered from the table 112.
- the peeling start point creation apparatus 100 of the present embodiment since the knife N is not inclined and inserted between the substrate 2 and the reinforcing plate 3, an excessive force is not applied to the substrate 2 and the reinforcing plate 3. In addition, a peeling start point can be created.
- the posture of the knife N is not changed for detecting the position of the blade edge, the cause of error is small, and the knife N can be inserted between the substrate 2 and the reinforcing plate 3 with high accuracy. .
- the laminate 1 shown in FIG. 1 is peeled
- the laminate 6 having the configuration shown in FIG. 2 can be similarly peeled.
- the laminated body 6 is placed on the table 112 with the first laminated body 1A facing down, and the separation starting point is set between the substrate 2A and the reinforcing plate 3A of the first laminated body 1A. create.
- the laminated body 6 is turned over and placed on the table 112 (the laminated body 6 is placed on the table 112 with the second laminated body 1B on the lower side), and the second laminated body.
- a peeling start point is created between the substrate 2B of 1B and the reinforcing plate 3B.
- FIG. 13 is a front view showing a second embodiment of the peeling start point creation device 200.
- the laminate 6 is A process to turn it over is required.
- the peeling start point creation apparatus 200 of the present embodiment is provided with reinforcing plates 3A and 3B on the front and back surfaces of the laminate 6, like the laminate 6 having the configuration shown in FIG.
- the peeling start point can be created in the two laminated bodies (the first laminated body 1A and the second laminated body 1B) without performing the process of turning the laminated body 6 upside down.
- the peeling start point creation apparatus 200 is a laser displacement as a position detection means for detecting the position of the blade edge of the knife N and the positions of the back surfaces 3Ab and 3Bb of the reinforcing plates 3A and 3B.
- Two 50A and 50B in total are provided.
- two plate thickness detectors 52A and 52B are provided as plate thickness detecting means for detecting the plate thickness of the reinforcing plates 3A and 3B.
- Laser displacement meters 50A and 50B are installed on the moving path of the laminate 6 and the knife N (on the straight line S: see FIG. 12). Laser displacement meters 50A and 50B are arranged to face each other, and laser displacement meter 50A (hereinafter referred to as first laser displacement meter 50A) arranged on the upper side emits laser light that is detection light vertically downward. To do. Further, a laser displacement meter 50B (hereinafter referred to as a second laser displacement meter 50B) disposed on the lower side emits laser light that is detection light vertically upward.
- the first laser displacement meter 50A includes a position of the cutting edge of the knife N and a laminated body positioned on the upper side of the laminated body 6 placed on the table 112, that is, the back surface of the reinforcing plate 3A of the first laminated body 1A. The position of 3Ab is detected.
- the second laser displacement meter 50B includes the position of the blade N of the knife N and the laminated body positioned below the laminated body 6 placed on the table 112, that is, the reinforcing plate of the second laminated body 1B. The position of the back surface 3Bb of 3B is detected.
- the plate thickness detectors 52A and 52B are installed on the moving path of the laminate 6 (on the straight line S: see FIG. 12).
- the plate thickness detectors 52A and 52B are disposed to face each other, and the plate thickness detector 52A (hereinafter referred to as the first plate thickness detector 52A) disposed on the upper side emits inspection light vertically downward.
- a plate thickness detector 52B (hereinafter referred to as a second plate thickness detector 52B) disposed on the lower side emits inspection light vertically upward.
- the first plate thickness detector 52A detects the thickness of the laminated body positioned on the upper side of the laminated body 6 placed on the table 112, that is, the thickness of the reinforcing plate 3A of the first laminated body 1A.
- the second plate thickness detector 52B detects the thickness of the laminated body positioned on the lower side of the laminated body 6 placed on the table 112, that is, the thickness of the reinforcing plate 3B of the second laminated body 1B.
- FIG. 14 is an explanatory diagram for explaining an outline of a method for detecting the amount of deviation of the blade edge of the knife N relative to the knife insertion position.
- the first knife displacement position (the first knife displacement detector 50A) and the first plate thickness detector 52A are used.
- the displacement of the position of the cutting edge of the knife N with respect to the position between the substrate 2A and the reinforcing plate 3A of the laminated body 1A is detected.
- the second knife insertion position is obtained using the second laser displacement meter 50B and the second plate thickness detector 52B.
- the amount of deviation of the position of the blade edge of the knife N with respect to is detected.
- the first laser displacement meter 50A uses the first reference surface (the surface serving as a reference for detecting the displacement amount by the first laser displacement meter 50A) as a reference in the vertical position of the cutting edge of the knife N ( The distance LA1) from the first reference plane and the vertical position (distance LA2 from the first reference plane) of the back surface 3Ab of the reinforcing plate 3A of the first laminate 1A are detected, and the first plate The thickness of the reinforcing plate 3A of the first laminate 1A is detected by the thickness detector 52A (if the reinforcing plate 3A has the resin layer 4 on the surface 3Aa, the thickness TA1 of the reinforcing plate 3A itself and the resin When the plate thickness TA2 including the thickness of the layer 4 is detected and the reinforcing plate 3A does not have the resin layer 4 on the surface 3Aa, the plate thickness TA1 of the reinforcing plate 3A itself is detected.
- the first reference surface the surface serving as a reference for detecting the displacement amount by the first laser displacement
- the detected position of the blade edge of the knife N (distance LA1 from the first reference plane) and the position of the back surface 3Ab of the reinforcing plate 3A of the first laminate 1A (distance LA2 from the first reference plane).
- the position of the cutting edge of the knife N in the vertical direction with respect to the second reference surface (the surface serving as a reference for detecting the amount of displacement by the second laser displacement meter 50B) by the second laser displacement meter 50B ( The distance LB1) from the second reference plane and the vertical position (distance LB2 from the second reference plane) of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B are detected, and the second plate The thickness detector 52B detects the thickness of the reinforcing plate 3B of the second laminate 1B (when the reinforcing plate 3B has the resin layer 4 on the surface 3Ba, the thickness TB1 of the reinforcing plate 3B itself and the resin If the plate thickness TB2 including the thickness of the layer 4 is detected and the reinforcing plate 3B does not have the resin layer 4 on the surface 3Ba, the plate thickness TB1 of the reinforcing plate 3B itself is detected.
- the detected position of the blade edge of the knife N (distance LB1 from the second reference surface) and the position of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B (distance LB2 from the second reference surface).
- FIGS. 15 to 18 are explanatory diagrams of a procedure for creating a peeling start point using the peeling start point creating apparatus 200 of the second embodiment shown in FIG.
- FIG. 15A is an initial state
- FIG. 15B is a state in which the position of the cutting edge of the knife N is detected
- FIG. 15C is a state of the reinforcing plate 3B of the second laminate 1B
- FIG. 15D shows a state in which the plate thickness is detected
- FIG. 15D shows a state in which the position of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B is detected.
- FIG. 16A shows a state in which the position of the blade tip of the knife N is adjusted with respect to the second knife insertion position
- FIG. 16B shows that the knife N is inserted into the second knife insertion position
- FIG. 16C shows a state where the creation process of the peeling start point for the second stacked body 1B is completed.
- 17A shows a state in which the position of the cutting edge of the knife N is detected
- FIG. 17B shows a state in which the thickness of the reinforcing plate 3A of the first laminate 1A is detected
- 17 (C) shows a state in which the position of the back surface 3Ab of the reinforcing plate 3A of the first laminate 1A is detected.
- FIG. 18A shows a state in which the position of the cutting edge of the knife N is adjusted with respect to the first knife insertion position
- FIG. 18B shows that the knife N is inserted into the first knife insertion position
- FIG. 18C shows a state where the peeling start point creation process for the first stacked body 1A is completed.
- the knife N is inserted in order to create a peeling start point.
- the order of creating the peeling start point may be either top or bottom, but here, the peeling starting point is first created for the lower laminate (second laminate 1B), and then the upper origin is created.
- the case where a peeling start point is created for the laminate (first laminate 1A) will be described as an example.
- the knife N is located at a predetermined knife standby position.
- the table 112 (not shown) on which the stacked body 6 is set is located at a predetermined table standby position.
- the knife N moves horizontally toward the installation position (detection position) of the laser displacement meter 50.
- laser light is emitted from the second laser displacement meter 50B, and detection of the position of the blade edge is started.
- the knife N stops moving when the blade edge passes a predetermined amount of the installation position of the second laser displacement meter 50B.
- the tip portion of the knife N including the cutting edge is scanned by the laser light emitted from the second laser displacement meter 50B, and the vertical position of the cutting edge of the knife N with respect to the second reference plane ( Height LB1) is detected.
- the laminate 6 moves horizontally toward the installation position (plate thickness detection position) of the second plate thickness detector 52B. As shown in FIG. 15C, the movement of the laminate 6 is stopped when the predetermined detection target portion is located at the installation position of the second plate thickness detector 52B. After the movement is stopped, the inspection light is emitted from the second plate thickness detector 52B, and the thickness of the reinforcing plate 3B of the second laminate 1B is detected.
- the plate thickness TB1 of the reinforcing plate 3B itself and the plate thickness TB2 including the resin layer 4B are the plate thickness of the reinforcing plate 3B.
- the second plate thickness detector 52B is detected by the second plate thickness detector 52B.
- the plate thickness TB1 of the reinforcing plate 3B itself is detected by the second plate thickness detector 52B as the plate thickness of the reinforcing plate 3B. .
- the laminated body 6 moves horizontally toward the installation position (detection position) of the second laser displacement meter 50B. As shown in FIG. 15D, the movement of the stacked body 6 is stopped when the detection target portion is located at the installation position of the second laser displacement meter 50B. After stopping the movement, the laser beam is emitted from the second laser displacement meter 50B, and the vertical position (height LB2) of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B is detected.
- this position (detection position of the back surface 3Bb of the reinforcing plate 3B) is a peeling start point creation position of the second laminate 1B, and the knife N is inserted between the substrate 2B and the reinforcing plate 3B at this position.
- the control unit (not shown) includes the position information (LB1) of the blade edge of the knife N detected by the second laser displacement meter 50B and the second laminated body 1B detected by the second laser displacement meter 50B. Based on the position information (LB2) of the back surface 3Bb of the reinforcing plate 3B and the plate thickness information (TB1, TB2) of the reinforcing plate 3B of the second laminate 1B detected by the second plate thickness detector 52B, A deviation amount HB of the position of the blade tip of the knife N with respect to the second knife insertion position is calculated.
- the position of the blade edge of the knife N is adjusted so as to cancel the deviation. That is, based on the calculated amount of deviation, the knife N is moved in the vertical direction so that the cutting edge of the knife N is positioned at the same height as the second knife insertion position.
- the knife N moves horizontally toward the laminated body 6 as shown in FIG.
- the cutting edge of the knife N is located at the second knife insertion position, that is, between the substrate 2B and the reinforcing plate 3B of the second laminated body 1B, the knife N faces the laminated body 6.
- the cutting edge of the knife N is inserted between the substrate 2B and the reinforcing plate 3B of the second laminate 1B. Thereby, a peeling start point is created in the second laminate 1B.
- the movement stops. After stopping the movement, the knife N moves in the reverse direction (the direction away from the stacked body 6), and returns to the knife standby position as shown in FIG.
- a peeling start point is created in the second laminate 1B. Subsequently, a process of creating a peeling start point for the first stacked body 1A is performed.
- the knife N moves horizontally toward the installation position (detection position) of the laser displacement meter 50.
- laser light is emitted from the first laser displacement meter 50A, and detection of the position of the blade edge is started.
- the knife N stops moving when the blade edge passes a predetermined amount of the installation position of the first laser displacement meter 50A.
- the tip of the knife N including the cutting edge is scanned by the laser light emitted from the first laser displacement meter 50A, and the vertical position of the cutting edge of the knife N with respect to the first reference plane ( Height LA1) is detected.
- the laminated body 6 moves horizontally toward the installation position (plate thickness detection position) of the first plate thickness detector 52A.
- the movement of the laminate 6 is stopped when the predetermined detection target portion is located at the installation position of the first plate thickness detector 52A.
- the inspection light is emitted from the first plate thickness detector 52A, and the plate thickness of the reinforcing plate 3A of the first laminate 1A is detected.
- the plate thickness TA1 of the reinforcing plate 3A itself and the plate thickness TA2 including the resin layer 4A are the plate thickness of the reinforcing plate 3A. , Detected by the first plate thickness detector 52A.
- the plate thickness TA1 of the reinforcing plate 3A itself is detected by the first plate thickness detector 52A as the plate thickness of the reinforcing plate 3A.
- the laminated body 6 moves horizontally toward the installation position (detection position) of the first laser displacement meter 50A. As shown in FIG. 17C, the movement of the stacked body 6 is stopped when the detection target portion is located at the installation position of the first laser displacement meter 50A. After the movement is stopped, laser light is emitted from the first laser displacement meter 50A, and the vertical position (height LA2) of the back surface 3Ab of the reinforcing plate 3A of the first laminate 1A is detected.
- this position (detection position of the back surface 3Ab of the reinforcing plate 3A) is a separation starting point creation position of the first laminate 1A, and the knife N is inserted between the substrate 2A and the reinforcing plate 3A at this position.
- the control unit (not shown) includes the position information (LA1) of the blade edge of the knife N detected by the first laser displacement meter 50A and the first laminated body 1A detected by the first laser displacement meter 50A. Based on the position information (LA2) of the back surface 3Ab of the reinforcing plate 3A and the plate thickness information (TA1, TA2) of the reinforcing plate 3A of the first laminate 1A detected by the first plate thickness detector 52A, A deviation amount HA of the position of the blade edge of the knife N with respect to the first knife insertion position is calculated.
- the position of the blade edge of the knife N is adjusted so as to cancel out the deviation. That is, based on the calculated amount of deviation, the knife N is moved in the vertical direction so that the cutting edge of the knife N is positioned at the same height as the first knife insertion position.
- the knife N moves horizontally toward the laminated body 6 as shown in FIG.
- the knife N is positioned at the first knife insertion position, that is, between the substrate 2A and the reinforcing plate 3A of the first laminated body 1A, so that the knife N faces the laminated body 6.
- the cutting edge of the knife N is inserted between the substrate 2A and the reinforcing plate 3A of the first laminate 1A. Thereby, a peeling start point is created in the first laminated body 1A.
- the movement stops. After the movement is stopped, the knife N moves in the reverse direction (the direction away from the stacked body 6), and returns to the knife standby position as shown in FIG.
- the peeling start point creation apparatus 200 of the present embodiment even if the laminate 6 includes the reinforcing plates 3A and 3B on both the front and back sides, all the peeling start points are created at once without performing the work of turning over. can do.
- the laminate 6 having the reinforcing plates 3A and 3B on both the front and back surfaces is peeled is described as an example.
- the laminate 1 is reinforced only on one side as in the laminate 1 shown in FIG. Even when the laminate 1 provided with the plate 3 is peeled off, the peeling start point creating apparatus 200 of the present embodiment can be used.
- the plate thickness of the reinforcing plate 3A of the first laminated body 1A and the plate thickness of the reinforcing plate 3B of the second laminated body 1B are separately detected.
- the thickness of the reinforcing plate 3B of the second laminated body 1B may be detected at the same time. That is, in the peeling starting point creating apparatus 200 having the above configuration, the first plate thickness detector 52A and the second plate thickness detector 52B are installed on the same axis, and thus the reinforcing plate 3A of the first laminate 1A.
- the plate thickness of the reinforcing plate 3B of the second laminated body 1B can be simultaneously detected by the second plate thickness detector 52B. Therefore, when detecting the thickness of the reinforcing plate 3A of the first laminate 1A, the thickness of the reinforcing plate 3B of the second laminate 1B may be detected at the same time.
- FIG. 19 is a schematic configuration diagram of a main part of the third embodiment of the peeling start point creating device.
- the laser displacement meters 50 (50A and 50B) as position detecting means and the plate thickness detectors 52 (52A and 52B) as plate thickness detecting means are constant.
- the stacks 1 and 6 and the knife N are moved to the installation position to detect the position of the cutting edge of the knife N, etc., but the laser displacement meter 50 (50A, 50B) is installed.
- the plate thickness detector 52 (52A, 52B) may be moved to detect the position of the blade edge of the knife N, and the like.
- FIG. 19 shows an example of a configuration for detecting the position of the blade edge of the knife N by moving the laser displacement meters 50A and 50B and the plate thickness detectors 52A and 52B.
- the first laser displacement meter 50A and the first plate thickness detector 52A are both installed on a first moving body 310A (position detecting means moving means) that moves horizontally, and are provided so as to be movable in the horizontal direction. ing.
- the second laser displacement meter 50B and the second plate thickness detector 52B are both installed on a second moving body 310B (position detecting means moving means) that moves horizontally, and are movable in the horizontal direction. Is provided.
- the position of the blade edge of the knife N is detected by the first laser displacement meter 50A
- the position of the blade edge of the knife N is detected by moving the first laser displacement meter 50A horizontally to the installation position of the knife N.
- the position of the blade edge of the knife N is detected by moving the first laser displacement gauge 50A so that the blade edge of the knife N is scanned by the laser light emitted from the first laser displacement gauge 50A.
- the first laser displacement meter 50A is moved to the detection target portion of the reinforcing plate 3A. Then, the position of the back surface 3Ab of the reinforcing plate 3A of the first laminate 1A is detected.
- the position of the blade edge of the knife N is detected by the second laser displacement meter 50B
- the position of the blade edge of the knife N is detected by moving the second laser displacement meter 50B horizontally to the installation position of the knife N. To do.
- the position of the blade edge of the knife N is detected by moving the second laser displacement gauge 50B so that the blade edge of the knife N is scanned by the laser light emitted from the second laser displacement gauge 50B. .
- the second laser displacement meter 50B is moved to the detection target portion of the reinforcing plate 3B.
- the position of the back surface 3Bb of the reinforcing plate 3B of the second laminated body 1B is detected.
- the first laser displacement meter 50A and the first plate thickness detector 52A are installed on the same first moving body 310A and are moved at the same time. It can also be configured. The same applies to the second laser displacement meter 50B and the second plate thickness detection meter 52B, and each may be configured to move independently.
- the laminates 1, 6 and the knife N are connected to the laser displacement meter 50 (50A, 50B). 50B) and the detection position of the plate thickness detector 52 (52A, 52B), it is not necessary to move the laminates 1 and 6 and the knife N so that at least one of them can move in the horizontal direction. I just need it. That is, the laminated bodies 1 and 6 and the knife N should just be the structures which can move to a horizontal direction relatively, and at least one should just move to a horizontal direction.
- a table driving unit 116 laminated body moving means
- a knife driving unit 118 Knife moving means
- the knife N is moved in the vertical direction in order to adjust the position of the knife edge with respect to the knife insertion position.
- the vertical movement is supported (for example, the table 112 is supported so as to be movable in the vertical direction), and the stacked bodies 1 and 6 are moved in the vertical direction to adjust the position of the knife edge with respect to the knife insertion position.
- It can also be configured. Or it can also be set as the structure which moves both the knife N and the laminated bodies 1 and 6 to a perpendicular direction, and adjusts the position of the blade edge
- FIG. 20 is a schematic configuration diagram of a main part of the fourth embodiment of the peeling start point creating device.
- the position of the knife N and the position of the back surface 3b (3Ab, 3Bb) of the reinforcing plate 3 (3A, 3B) are the same as the laser displacement meter 50 (50A, 50B), the position of the blade tip of the knife N and the positions of the back surfaces 3Ab and 3Bb of the reinforcing plates 3A and 3B are different from each other as shown in FIG. , 50Bb can be used.
- a laser displacement meter 50Aa (upper first position detecting means) for detecting the first cutting edge is installed on the moving path of the knife N, and when the separation starting point is created in the first laminate 1A.
- the vertical position of the cutting edge of the knife N with respect to a predetermined reference plane (upper first reference plane) is detected.
- the first back surface detection laser displacement meter 50Ab (upper second position detection means) is installed on the moving path of the stacked body 6, and a predetermined reference plane (upper second reference plane) is used as a reference.
- the position in the vertical direction of the back surface 3Ab of the reinforcing plate 3A of the first laminated body 1A is detected.
- the second laser displacement meter 50Ba (lower first position detecting means) for detecting the blade edge is installed on the moving path of the knife N, and when creating the peeling start point on the second laminate 1B, The position in the vertical direction of the cutting edge of the knife N with respect to a predetermined reference surface (lower first reference surface) is detected.
- the second back surface detection laser displacement meter 50Bb (lower second position detection means) is installed on the moving path of the stacked body 6, and has a predetermined reference surface (lower second reference surface). The vertical position of the back surface 3Bb of the reinforcing plate 3B of the second laminated body 1B as a reference is detected.
- the laser displacement meters 50Aa, 50Ab, 50Ba, and 50Bb may be configured to move horizontally.
- first reference surfaces of the laser displacement meters 50Aa and 50Ba (first position detecting means) for detecting the blade edge
- the reference surfaces of the laser displacement meters 50Ab and 50Bb second position detecting means for detecting the back surface.
- second position detecting means for detecting the back surface.
- Sacond reference plane does not necessarily need to be set at the same height position, but when setting at a different height position, information on the difference in position in the height direction (vertical direction) is previously stored. Acquire and calculate the amount of deviation.
- FIG. 21 is a schematic configuration diagram of a main part of the fifth embodiment of the peeling start point creating device.
- a position detection means for detecting the position of the blade edge of the knife N and the position of the back surface 3b (3Ab, 3Bb) of the reinforcing plate 3 (3A, 3B) a spot A laser displacement meter 50 (50A, 50B) that emits laser light as light is used, but a known two-dimensional laser displacement meter 300A, 300B that emits a strip-shaped laser light having a certain width is used.
- the position of the cutting edge of the knife N and the position of the back surface 3b (3Ab, 3Bb) of the reinforcing plate 3 (3A, 3B) can also be detected.
- the position of the blade edge of the knife N can be accurately detected without scanning the blade edge of the knife N with laser light. can do. That is, as shown in FIG. 20, a band-shaped laser beam is emitted as detection light from the two-dimensional laser displacement meter 300B (300A), and the cutting edge of the knife N is positioned within the irradiation range of the band-shaped laser beam. Thus, the position of the blade edge of the knife N can be detected. Thereby, generation
- the position of the blade edge of the knife N and the position of the back surface 3b (3Ab, 3Bb) of the reinforcing plate 3 (3A, 3B) may be detected simultaneously. It can. Thereby, the time required for calculating the amount of deviation of the position of the blade tip of the knife N can be shortened, and the overall work time can be shortened.
- the position of the blade edge of the knife N and the position of the back surface 3b (3Ab, 3Bb) of the reinforcing plate 3 (3A, 3B) can be detected at the same time. It can be performed.
- 22 and 23 are explanatory views of an example of a method for adjusting the position of the blade edge of the knife N using the fourth peeling start point creating device.
- FIG. 22A is an initial state
- FIG. 22B is a state in which the thickness of the reinforcing plate 3B of the second laminate 1B is detected
- FIG. 22C is a cutting edge of the knife N. And the position of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B are detected.
- FIG. 23A shows a state in which the position of the cutting edge of the knife N is aligned with the position of the back surface 3Bb of the reinforcing plate 3B of the second laminated body 1B
- FIG. 23C shows a state in which the knife N is inserted into the second stacked body 1B, with the position of the cutting edge of the knife N adjusted with respect to the knife insertion position.
- the knife N is located at a predetermined knife standby position.
- the table 112 (not shown) on which the stacked body 6 is set is located at a predetermined table standby position.
- the laminate 6 moves horizontally toward the installation position (plate thickness detection position) of the second plate thickness detector 52B.
- the movement of the stacked body 6 is stopped when the predetermined detection target portion is located at the installation position of the second plate thickness detector 52B.
- the inspection light is emitted from the second plate thickness detector 52B, and the thickness of the reinforcing plate 3B of the second laminate 1B is detected.
- the plate thickness TB1 of the reinforcing plate 3B itself and the plate thickness TB2 including the resin layer 4B are the plate thickness of the reinforcing plate 3B.
- the second plate thickness detector 52B is detected by the second plate thickness detector 52B.
- the plate thickness TB1 of the reinforcing plate 3B itself is detected by the second plate thickness detector 52B as the plate thickness of the reinforcing plate 3B. .
- the laminated body 6 moves horizontally toward the installation position (detection position) of the second two-dimensional laser displacement meter 300B.
- the detection target portion is located within the detection range of the second two-dimensional laser displacement meter 300B (within the irradiation range of the laser beam emitted in a band shape). By the way, the movement is stopped.
- the knife N moves horizontally toward the installation position (detection position) of the two-dimensional laser displacement meter 300B. As shown in FIG. 22C, the movement of the knife N is stopped when the tip portion including the cutting edge is located within the detection range of the second two-dimensional laser displacement meter 300B.
- a belt-like laser beam is emitted from the second two-dimensional laser displacement meter 300B, the vertical position of the back surface 3Bb of the reinforcing plate 3B of the second laminated body 1B, and the knife The position of the N cutting edge is detected at the same time.
- FIG. 24 is a graph showing an example of the output of the second two-dimensional laser displacement meter 300B when the position of the back surface 3Bb of the reinforcing plate 3B of the second laminate 1B and the position of the blade edge of the knife N are detected simultaneously. It is.
- the position of the back surface 3Bb of the reinforcing plate 3B and the position of the blade edge of the knife N are detected simultaneously by positioning the laminated body 6 and the blade edge of the knife N within the laser light irradiation range. be able to.
- the control unit detects the position of the back surface 3Bb of the reinforcing plate 3B detected by the second two-dimensional laser displacement meter 300B and the position of the blade edge of the knife N. And the knife N is moved in the vertical direction so that the cutting edge of the knife N is positioned at the same height as the back surface 3Bb of the reinforcing plate 3B (first position adjusting step).
- control unit moves the knife N in the vertical direction by the thickness of the reinforcing plate 3B detected by the second plate thickness detector 52B (second position adjustment step).
- the knife N is moved in the vertical direction by T1 (knife insertion process).
- the knife N moves horizontally toward the laminate 6. Thereby, the cutting edge of the knife N is inserted between the board
- the movement stops. After stopping the movement, the knife N moves in the reverse direction (the direction away from the stacked body 6) and returns to the knife standby position.
- the position of the blade edge of the knife N is adjusted in the same procedure to create a peeling start point.
- the position of the knife N can be adjusted using so-called feedback control. Thereby, even if the absolute value accuracy of the laser displacement meter is insufficient, the knife N can be moved to a position having the same height as the back surface of the reinforcing plate by feedback control, and the stable knife N can be inserted. become.
- the position adjustment of the knife N using the feedback control can be performed if it can be detected simultaneously with the position of the cutting edge of the knife N and the position of the back surface 3Bb of the reinforcing plate 3B. It can also be implemented using detection means. Therefore, for example, the position of the blade edge of the knife N and the position of the back surface 3Bb of the reinforcing plate 3B can be detected by different position detection means (for example, the position of the blade edge of the knife N is the first laser).
- the position of the back surface 3Bb of the reinforcing plate 3B is detected by the displacement meter (first position detecting means) and the position of the cutting edge of the knife N is detected by the second laser displacement meter (second position detecting means)
- the position of the back surface 3Bb of the plate 3B can be detected simultaneously.
- the peeling start point creating device is configured to incorporate the plate thickness detecting means of the reinforcing plate 3 (3A, 3B), but the thickness of the reinforcing plate 3 is detected and acquired in advance. It can also be.
- the plate thickness detector as the plate thickness detecting means is not required for the peeling start point creating device.
- the plate thickness is detected outside the peeling start point creating apparatus.
- the position where the back surface 3b (3Ab, 3Bb) of the reinforcing plate 3 is detected It is preferable to detect the plate thickness at a position to be detected) or in the vicinity thereof.
- the reinforcing plates 3A and 3B are provided on both front and back surfaces of the laminated body 1, and when both of them are peeled off, one peeling starting point is created at one of the corner portions.
- the other separation starting point is preferably created at a corner located on the diagonal of the corner.
- FIG. 25 is an explanatory diagram for explaining the creation position of the separation start point.
- the peeling start point (first peeling starting point) of the first laminated body 1A is the corner portion 6C of the laminated body 6.
- the separation start point (second separation start point) of the second laminate 1B is created in the corner portion 6D located on the diagonal line of the corner portion 6C.
- the reinforcing plate 3A of the first laminated body 1A is peeled off by bending the reinforcing plate 3A from the corner portion 6C toward the corner portion 6D and peeling the reinforcing plate 3A.
- 3B is peeled by bending and deforming the reinforcing plate 3B from the corner portion 6D toward the corner portion 6C.
- the shape of the laminate is rectangular, particularly square, but the shape of the laminate to be peeled is not particularly limited. Also, the creation position of the separation starting point is not particularly limited. However, when the laminate is rectangular, it is preferable to create a peeling start point at the corner.
- a direction of 45 degrees with respect to each side orthogonal to the corner portion It is preferable to set to (when the outer shape of the laminate is a square, the diagonal direction).
- the peeling start point creation apparatus of the said embodiment although it is comprised so that both a laminated body and a knife can move to a horizontal direction, if a laminated body and a knife are the structures which can be moved horizontally relatively, Good. In other words, any structure may be used as long as at least one of the laminated body and the knife supported in parallel with each other moves and the knife can be inserted between the substrate and the reinforcing plate of the laminated body. Therefore, the laminate may be fixed.
- the laminate is configured to be horizontally movable in the diagonal direction, but the direction in which the laminate is horizontally moved is not particularly limited. What is necessary is just a structure which can finally move to a predetermined peeling starting point creation position (position where a knife is inserted and a peeling starting point is created).
- the separation start point creation process and the actual separation process are performed by separate apparatuses, but the separation start point creation process and the actual separation process are performed by one apparatus. It can also be set as the structure to do. This can be realized, for example, by incorporating the peeling start point creation device 100 shown in FIG. 11 into the peeling device 10 shown in FIG. In this case, the stacked body is supported by the stage 14 instead of the table 112.
- the peeling start point creation device when the peeling start point creation device is integrated into the peeling device, the process from the creation of the peeling start point to the actual peeling process can be performed continuously. In this case, for example, the peeling process can be started with a knife inserted.
- the laser displacement meter is used as a position detection means to detect the position of the blade edge
- a position detection means is limited to this. It is not something. Means for detecting a position in a direction perpendicular to the reference plane with respect to an object located at a predetermined detection position with reference to a predetermined reference plane (a reference plane set in parallel with the back surface 3b of the reinforcing plate 3). Other detection means can also be used as long as they are particularly non-contact detection means.
- the two-dimensional laser displacement meter also has the same detection (detection of a position in a direction perpendicular to the reference plane with respect to an object positioned on a detection line having a predetermined length with reference to the predetermined reference plane).
- Other detection means can be used as much as possible.
- a plate thickness detector that detects the plate thickness by spectral interferometry is used as the plate thickness detector that detects the plate thickness of the reinforcing plate. Can also be used.
- the thickness of the reinforcing plate can be detected before the substrate is bonded to the reinforcing plate.
- N Knife, 1 ... Laminated body, 1A ... 1st laminated body, 1B ... 2nd laminated body, 1C ... Corner part of laminated body, 1D ... Corner part of laminated body, 2 ... Substrate, 2a ... Surface of substrate 2b ... back surface of substrate, 2A ... substrate, 2Aa ... surface of substrate, 2Ab ... back surface of substrate, 2B ... substrate, 2Ba ... surface of substrate, 2Bb ... back surface of substrate, 3 ... reinforcing plate, 3a ... surface of reinforcing plate 3b ... back surface of the reinforcing plate, 3A ... reinforcing plate, 3Aa ...
- Servo cylinder, 26A Cylinder body of servo cylinder, 26B ... Piston of servo cylinder, 28 ... Shaft, 30 ... Bearing, 32 ... Shaft, 34 ... Bearing, 36 ... Unloading device, 38 ... Suction pad, 50 ... Laser displacement meter, 50A ... First laser displacement meter, 50B ... Second laser displacement meter, 50Aa ... First Laser displacement meter for detecting the blade edge, 50Ab ... Laser displacement meter for detecting the first back surface, 50Ba ... Laser displacement meter for detecting the second blade edge, 50Bb ... Laser displacement meter for detecting the second back surface, 52 ... Plate Thickness detector, 52A ... first plate thickness detector, 52B ...
- second plate thickness detector 100 ... peeling origin generating device, 102 ... base, 104 ... mount, 112 ... table, 114 ... holder, 116 ... table Drive Knit, 118 ... Knife drive unit, 120 ... Position adjustment unit, 122 ... Table support frame, 132 ... Body frame of table drive unit, 134 ... Rail of table drive unit, 136 ... Slider of table drive unit, 138 ... Table drive unit 140 ... Table drive unit motor, 142 ... Knife drive unit body frame, 144 ... Knife drive unit rail, 146 ... Knife drive unit slider, 148 ... Knife drive unit screw rod, 150 ... Knife drive Unit motor, 152 ... Position adjustment unit body frame, 154 ...
- Position adjustment unit rail 156 ... Position adjustment unit slider, 158 ... Position adjustment unit screw rod, 160 ... Position adjustment unit motor, 200 ... Stripping occurrence Point creation device, 300A ... first two-dimensional laser displacement meter, 300B ... second two-dimensional laser displacement meter, 310A ... first moving body, 310B ... second moving body
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Abstract
Description
まず、電子デバイスの製造工程について概説する。
上記のように、電子デバイスの製造工程に供される基板は、補強板で補強されたものが使用される。すなわち、基板は、補強板が貼り合わされ、積層体とされて、電子デバイスの製造に供される。
基板2は、電子デバイスの機能層を形成するための基板(第1基板)であり、電子デバイスの一部を構成する。
補強板3は、基板2を補強するための基板(第2基板)であり、基板2に取り付けられて、基板2の変形、傷付き、破損等を防止する。補強板3は、基板2の補強が目的であるため、最終的には基板2から除去される。
樹脂層4は、補強板3の表面3aに備えられ、補強板3を基板2に密着させる。基板2は、この樹脂層4との間に作用するファンデルワールス力、又は、樹脂層4の粘着力によって、補強板3に密着して取り付けられる。
機能層形成工程を経て、積層体1の基板2の表面2aには、機能層が形成される。
次に、剥離装置10について説明する。
図3は、剥離装置10の一例を示す平面図である。また、図4は、図3に示した剥離装置10の側面図である。
図5(A)、5(B)は、剥離装置10の動作説明図である。なお、図5(A)は、剥離開始から所定時間経過後の剥離装置10の状態を示しており、図5(B)は、補強板3を剥離した直後の剥離装置10の状態を示している。
上記のように、剥離装置10は、積層体1を一端から他端に向けて補強板3を徐々に撓み変形させることにより、補強板3を基板2から剥離する。
図7は、剥離起点の作成方法の概要を説明する説明図である。なお、図7(A)は、ナイフNの位置調整前の状態、図7(B)は、ナイフNの位置調整後の状態、図7(C)は、ナイフNを挿入した状態を示している。
ナイフNは、刃先がナイフ挿入位置と同じ高さの位置に位置するように調整する。
図8は、ナイフNの刃先の位置とナイフ挿入位置とのズレ量を検出するための機構の概略図である。
[剥離起点作成装置の構成]
図11は、剥離起点作成装置100の一実施形態を示す正面図である。また、図12は、図11に示した剥離起点作成装置100の平面図である。
次に、上記のように構成される本実施の形態の剥離起点作成装置100による剥離起点の作成方法について説明する。
〈構成〉
図13は、剥離起点作成装置200の第2の実施の形態を示す正面図である。
図14は、ナイフ挿入位置に対するナイフNの刃先のズレ量の検出方法の概要を説明する説明図である。
図15~図18は、図13に示した第2の実施の形態の剥離起点作成装置200を用いた剥離起点の作成手順の説明図である。
図19は、剥離起点作成装置の第3の実施の形態の要部の概略構成図である。
図20は、剥離起点作成装置の第4の実施の形態の要部の概略構成図である。
図21は、剥離起点作成装置の第5の実施の形態の要部の概略構成図である。
上記一連の実施の形態では、剥離起点作成装置に補強板3(3A、3B)の板厚検出手段を組み込んだ構成としているが、補強板3の板厚は、事前に検出して取得する構成とすることもできる。この場合、板厚検出手段としての板厚検出計は、剥離起点作成装置には不要となる。
本出願は、2013年7月1日出願の日本特許出願2013-138223に基づくものであり、その内容はここに参照として取り込まれる。
Claims (17)
- 第1主面と第2主面とを有する第1基板の前記第2主面に、第1主面と第2主面とを有する第2基板の前記第1主面が剥離可能に結合した積層体の前記第1基板と前記第2基板との間にナイフを挿入して剥離起点を作成する剥離起点作成装置において、
前記積層体と前記ナイフとを前記第2基板の前記第2主面と平行な方向に相対的に移動させて、前記積層体の前記第1基板と前記第2基板との間に前記ナイフを挿入させる移動手段と、
前記第2基板の前記第2主面と平行に設定される基準面を基準として、前記基準面と垂直な方向における、前記ナイフの刃先の位置と、前記第2基板の前記第2主面の位置とを検出する位置検出手段と、
前記位置検出手段の検出結果と、前記第2基板の板厚とに基づいて、前記ナイフの刃先が前記第1基板と前記第2基板との間に位置するように、前記積層体と前記ナイフとを前記第2基板の前記第2主面と垂直な方向に相対的に移動させて、前記積層体と前記ナイフとの位置を調整する位置調整手段と、
を備える剥離起点作成装置。 - 前記移動手段は、
前記ナイフを前記第2基板の前記第2主面と平行な方向に移動させるナイフ移動手段と、
前記積層体を前記第2基板の前記第2主面と平行な方向に移動させる積層体移動手段と、
を備え、
前記位置検出手段は、所定の検出位置に位置した物体に対して、前記基準面を基準として、前記基準面と垂直な方向における位置を検出する位置検出手段を備え、
前記ナイフ移動手段によって前記ナイフを前記検出位置に移動させて、前記ナイフの刃先の位置を前記位置検出手段で検出し、
前記積層体移動手段によって前記積層体を前記検出位置に移動させて、前記第2基板の前記第2主面の位置を検出する請求項1に記載の剥離起点作成装置。 - 前記位置検出手段が、レーザ変位計で構成される請求項2に記載の剥離起点作成装置。
- 前記位置検出手段は、
前記基準面と同じ位置又は前記基準面に対して所定距離離れた位置に前記基準面と平行に設定される第1基準面を基準として、前記第1基準面と垂直な方向における、前記ナイフの刃先の位置を検出する第1位置検出手段と、
前記基準面と同じ位置又は前記基準面に対して所定距離離れた位置に前記基準面と平行に設定される第2基準面を基準として、前記第2基準面と垂直な方向における、前記第2基板の前記第2主面の位置を検出する第2位置検出手段と、
前記第1位置検出手段の検出結果と、前記第2位置検出手段の検出結果と、前記基準面に対する前記第1基準面の位置の情報と、前記基準面に対する前記第2基準面の位置の情報とに基づいて、前記基準面を基準として、前記基準面と垂直な方向における、前記ナイフの刃先の位置と、前記第2基板の前記第2主面の位置とを算出する演算手段と、
を備える請求項1に記載の剥離起点作成装置。 - 前記第1位置検出手段と前記第2位置検出手段とが、共にレーザ変位計で構成される請求項4に記載の剥離起点作成装置。
- 前記位置検出手段は、
前記基準面を基準として、前記基準面と垂直な方向における物体の位置を検出する位置検出手段と、
前記位置検出手段を前記第2基板の第2主面と平行な方向に移動させる位置検出手段移動手段と、
を備え、
前記位置検出手段移動手段によって前記位置検出手段を前記ナイフの配置位置に移動させて、前記ナイフの刃先の位置を前記位置検出手段で検出し、
前記位置検出手段移動手段によって前記位置検出手段を前記積層体の配置位置に移動させて、前記第2基板の第2主面の位置を検出する請求項1に記載の剥離起点作成装置。 - 前記位置検出手段が、レーザ変位計で構成される請求項6に記載の剥離起点作成装置。
- 前記位置検出手段は、前記基準面を基準として、前記基準面と垂直な方向における、前記ナイフの刃先の位置と、前記第2基板の前記第2主面の位置とを同時に検出し、
前記位置調整手段は、前記位置検出手段の検出結果に基づいて、前記基準面と垂直な方向における、前記ナイフの刃先の位置と前記第2基板の前記第2主面の位置とを同じ位置に調整した後、前記第2基板の板厚の情報に基づいて、前記ナイフの刃先が前記第1基板と前記第2基板との間に位置するように調整する請求項1に記載の剥離起点作成装置。 - 前記移動手段は、
前記ナイフを前記第2基板の前記第2主面と平行な方向に移動させるナイフ移動手段と、
前記積層体を前記第2基板の前記第2主面と平行な方向に移動させる積層体移動手段と、
を備え、
前記位置検出手段は、所定長さを有する検出ライン上に位置した物体に対して、前記基準面を基準として、前記基準面と垂直な方向における位置を検出する位置検出手段を備え、
前記ナイフの刃先と前記積層体とを前記検出ライン上に移動させて、前記ナイフの刃先の位置と前記第2基板の前記第2主面の位置とを前記位置検出手段で同時に検出する請求項8に記載の剥離起点作成装置。 - 前記位置検出手段が、二次元レーザ変位計で構成される請求項9に記載の剥離起点作成装置。
- 前記第2基板の板厚を検出する板厚検出手段を更に備える請求項1から10のいずれか1項に記載の剥離起点作成装置。
- 前記第2基板は透光性を有し、
前記板厚検出手段は、分光干渉法によって前記第2基板の板厚を検出する請求項11に記載の剥離起点作成装置。 - 第1主面と第2主面とを有する第1基板の前記第2主面に、第1主面と第2主面とを有する第2基板の前記第1主面が剥離可能に結合した積層体の前記第1基板と前記第2基板との間にナイフを挿入して剥離起点を作成する剥離起点作成方法において、
前記第2基板の前記第2主面と平行に設定される基準面を基準として、前記基準面と垂直な方向における、前記ナイフの刃先の位置と、前記第2基板の前記第2主面の位置とを検出する位置検出工程と、
前記位置検出工程の検出結果と、前記第2基板の板厚の情報とに基づいて、前記ナイフの刃先が前記第1基板と前記第2基板との間に位置するように、前記積層体と前記ナイフとを前記第2基板の前記第2主面と垂直な方向に相対的に移動させて、前記積層体と前記ナイフとの位置を調整する位置調整工程と、
前記積層体と前記ナイフとを前記第2基板の前記第2主面と平行な方向に相対的に移動させて、前記積層体の前記第1基板と前記第2基板との間に前記ナイフを挿入させるナイフ挿入工程と、
を備える剥離起点作成方法。 - 前記位置検出工程は、
前記基準面を基準として、前記基準面と垂直な方向における物体の位置を検出する位置検出手段を所定の検出位置に設置し、
前記ナイフを前記検出位置に移動させて、前記ナイフの刃先の位置を前記位置検出手段で検出し、
前記積層体を前記検出位置に移動させて、前記第2基板の前記第2主面の位置を検出する請求項13に記載の剥離起点作成方法。 - 前記位置検出工程は、
前記基準面と同じ位置又は前記基準面に対して所定距離離れた位置に前記基準面と平行に設定される第1基準面を基準として、前記第1基準面と垂直な方向における、前記ナイフの刃先の位置を第1位置検出手段で検出し、
前記基準面と同じ位置又は前記基準面に対して所定距離離れた位置に前記基準面と平行に設定される第2基準面を基準として、前記第2基準面と垂直な方向における、前記第2基板の前記第2主面の位置を第2位置検出手段で検出し、
前記第1位置検出手段の検出結果と、前記第2位置検出手段の検出結果と、前記基準面に対する前記第1基準面の位置の情報と、前記基準面に対する前記第2基準面の位置の情報とに基づいて、前記基準面を基準として、前記基準面と垂直な方向における、前記ナイフの刃先の位置と、前記第2基板の前記第2主面の位置とを算出する請求項13に記載の剥離起点作成方法。 - 前記位置検出工程は、
前記基準面を基準として、前記基準面と垂直な方向における物体の位置を検出する位置検出手段を前記ナイフの配置位置に移動させて、前記ナイフの刃先の位置を検出し、かつ、前記位置検出手段を前記積層体の配置位置に移動させて、前記第2基板の前記第2主面の位置を検出する請求項13に記載の剥離起点作成方法。 - 第1主面と第2主面とを有する第1基板の前記第2主面に、第1主面と第2主面とを有する第2基板の前記第1主面が剥離可能に結合した積層体の前記第1基板と前記第2基板との間にナイフを挿入して、前記第1基板と前記第2基板とを剥離する際の起点を作成する剥離起点作成方法において、
前記第2基板の前記第2主面と平行に設定される基準面を基準として、前記基準面と垂直な方向における、前記ナイフの刃先の位置と、前記第2基板の前記第2主面の位置とを同時に検出して、前記基準面と垂直な方向における、前記ナイフの刃先の位置と前記第2基板の前記第2主面の位置とを同じ位置に調整する第1位置調整工程と、
前記第2基板の板厚の情報に基づいて、前記ナイフの刃先が前記第1基板と前記第2基板との間に位置するように調整する第2位置調整工程と、
前記積層体と前記ナイフとを前記第2基板の前記第2主面と平行な方向に相対的に移動させて、前記積層体の前記第1基板と前記第2基板との間に前記ナイフを挿入させるナイフ挿入工程と、
を備える剥離起点作成方法。
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