WO2006129563A1 - 脆性材料基板分断装置および分断方法 - Google Patents
脆性材料基板分断装置および分断方法 Download PDFInfo
- Publication number
- WO2006129563A1 WO2006129563A1 PCT/JP2006/310541 JP2006310541W WO2006129563A1 WO 2006129563 A1 WO2006129563 A1 WO 2006129563A1 JP 2006310541 W JP2006310541 W JP 2006310541W WO 2006129563 A1 WO2006129563 A1 WO 2006129563A1
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- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- roller
- substrate portion
- brittle material
- force
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/033—Apparatus for opening score lines in glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/222—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising by pressing, e.g. presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0005—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing
- B28D5/0011—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing with preliminary treatment, e.g. weakening by scoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0005—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing
- B28D5/0017—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing using moving tools
- B28D5/0023—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing using moving tools rectilinearly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0005—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing
- B28D5/0017—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing using moving tools
- B28D5/0029—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing using moving tools rotating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2249/00—Aspects relating to conveying systems for the manufacture of fragile sheets
- B65G2249/04—Arrangements of vacuum systems or suction cups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/30—Breaking or tearing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/30—Breaking or tearing apparatus
- Y10T225/307—Combined with preliminary weakener or with nonbreaking cutter
- Y10T225/321—Preliminary weakener
- Y10T225/325—With means to apply moment of force to weakened work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/02—Other than completely through work thickness
- Y10T83/0333—Scoring
Definitions
- the present invention relates to a cutting apparatus and a cutting method for a brittle material substrate such as glass, semiconductor, and ceramic, and in particular, by applying stress along a scribe line to a brittle material substrate on which a scribe line is formed.
- the present invention relates to a brittle material substrate cutting apparatus and a brittle material substrate cutting method.
- a brittle material substrate is generally divided by the following method. First, a scribe line with a crack perpendicular to one surface of a brittle material substrate (hereinafter referred to as a vertical crack) is used by using a sintered diamond cutter wheel, a laser irradiation device, or the like along a desired cutting line. Form (hereinafter referred to as a scribe process). After that, by applying pressure to the brittle material substrate along the scribe line or bending the brittle material substrate along the scribe line, a tensile force is applied to the substrate portions located on both sides of the scribe line.
- a scribe line with a crack perpendicular to one surface of a brittle material substrate hereinafter referred to as a vertical crack
- a scribe process Form
- the vertical crack is extended in the thickness direction of the brittle material substrate to reach the other surface of the substrate G (hereinafter referred to as the back surface).
- the brittle material substrate is divided along the scribe line (hereinafter referred to as a breaking process).
- Patent Document 1 discloses a conventional cutting apparatus that performs the above-described break process.
- the cutting device 6 shown in FIG. 14 includes a table 630 (see FIG. 15) that holds a substrate G on which a scribe line is formed, and a first auxiliary roller that is disposed so as to face the table 630 across the table 630. 611 and the second auxiliary roller 621, and the substrate holding break roller 612 and the pressure break roller 622, which are arranged opposite to each other with the substrate G interposed therebetween, and the substrate auxiliary breaker 622 and the second auxiliary roller 621 which are arranged opposite each other with the substrate G interposed therebetween.
- a third auxiliary roller 613 and a fourth auxiliary roller 623 are provided.
- the first auxiliary roller 611 and the second auxiliary roller 621, the substrate holding break roller 612 and the pressure break roller 622, and the third auxiliary roller 613 and the fourth auxiliary roller 623 have their respective shafts. It is arranged so that the central part of the direction is almost aligned.
- the cutting device 6 executes the breaking process, the scribing formed on the substrate G and the central portion in the axial direction of each of the rollers 611 to 613 and 621 to 623, as shown in FIG.
- the substrate G is placed on the table 630 so that the line S substantially matches.
- the first auxiliary roller 611 and the second auxiliary roller 621, and the third auxiliary roller 613 and the fourth auxiliary roller 623 are moved to and held by the air cylinders to a position where they contact the substrate G, respectively.
- the substrate holding break roller 612 and the pressure break roller 622 are moved and held by the motor M to a position where they are pressed against the substrate G with a predetermined pressure.
- the first auxiliary roller 611 and the second auxiliary port are moved by moving the whole roller 611 to 613 and 621 to 623 along the scribe line S in the movement direction + X.
- the substrate 621, the substrate holding break roller 612, the pressure break roller 622, the third auxiliary roller 613, and the fourth auxiliary roller 623 roll on the front and back surfaces of the substrate G along the scribe line S, respectively.
- FIG. 15 is a schematic diagram for explaining the operation of each of the rollers 611 to 613 and 621 to 623 provided in the cutting device 6.
- the press break roller 622 disposed below the substrate G presses the portion corresponding to the scribe line S on the back surface of the substrate G upward, and holds the substrate disposed opposite to the press break roller 622.
- Break roller 612 presses both sides of scribe line S on the surface of substrate G downward.
- both sides of the scribe line S pressed by the substrate holding break roller 612 are both sides of the portion corresponding to the scribe line S where the press break roller 622 pushes up the substrate G, and the scribe line S is scribed by the press break roller 622.
- the substrate G portion on which the line is formed is pushed up, and both side portions thereof are pushed down by the substrate holding break roller 612. In such a state, the substrate holding break roller 612 and the press break roller 622 roll along the scribe line S on the front surface and the back surface of the substrate G, respectively.
- the vertical cracks constituting the scribe line S are also gradually expanded in the surface side force of the substrate G, and the vertical cracks extend in the thickness direction of the substrate G and reach the back surface of the substrate G. Therefore, the substrate G is divided.
- the first auxiliary roller 611 and the second auxiliary roller 621, and the third auxiliary roller 613 and the fourth auxiliary roller 623 are cylindrical rollers each having an outer peripheral surface with a constant diameter.
- the first auxiliary roller 611 and the second auxiliary roller 621 regulate the stagnation of the base plate G before the substrate G is divided to prevent the vertical cracks from extending in directions other than the vertical direction.
- the third auxiliary roller 613 and the fourth auxiliary roller 623 regulate the stagnation of the substrate G after the substrate G is divided, and each of the substrate portions newly formed by dividing the substrate G is divided. Prevents cross sections B1 and B2 from contacting each other in an inclined state.
- Patent Document 1 WO2004 / 096721
- the separated side edge portion is considered. If the width of the portion is small! /, It is difficult to hold the separated side edge portion with the above-described table or the like. In such a case, the substrate portion to be a product is held by a suction table, while the separated side edge portion is not held at all, and the problems described below occur.
- FIGS. 16 (a) to 16 (c) show one cross section of the substrate G after passing through each roller in the breaking process of the cutting device 6, as shown in FIGS. 16 (a), 16 (b), and 16 (c). ) In that order over time.
- the substrate portion P shown in each of FIGS. 16 (a) to 16 (c) is a product substrate held by the table 630 after the division, and the side edge portion T is formed by a table or the like after the division. It is a part of the board that is not held (unnecessary part).
- the side edge T after the division hangs down due to its own weight as the above rollers move and move away. For this reason, Figure 16 In the portion CI where each of the divided sections Bl and B2 shown in FIG.
- FIG. 16 (a) and FIG. 16 (b) are in contact with each other, the divided section B1 of the side edge T is rubbed against the divided section B2 of the held substrate portion P. However, since it moves downward, there is a risk that scratches will occur on both the cross sections B1 and B2.
- the point C2 shown in FIG. 16 (c) is such that the corner of the surface of the dividing surface B1 of the side edge T is in contact with the corner of the back surface of the dividing surface B2 of the substrate portion P.
- the pressing force is concentrated, and there is a possibility that the back surface of the divided section B2 in the substrate portion P will be chipped immediately.
- the position of the point C2 where the pressing force concentrates changes as each roller moves, and there is a lack in the corner of the back surface of the dividing section B2 over almost the entire area of the dividing section B2 in the substrate portion P. May occur.
- one of the substrate parts separated by the cutting is held by a table or the like, and in this case, it is held by a table or the like!
- a table or the like There is a possibility that surface defects may occur, and there is a risk that the substrate part may be contaminated by dust or fragments of the substrate material, and these problems appear more prominently.
- the present invention prevents contact of the divided surface after dividing in the break process in which the brittle material substrate is continuously divided along the scribe line, thereby preventing surface defects such as scratches and chips on the divided surface and brittle materials. It is an object of the present invention to provide a brittle material substrate cutting method capable of preventing contamination of a brittle material substrate by dust and fragments, and a brittle material substrate cutting device to be used for the implementation of the brittle material substrate cutting method.
- the brittle material substrate cutting apparatus of the present invention is relatively movable along the scribe line in the vicinity of the scribe line of the brittle material substrate in which a scribe line due to vertical cracks is formed in advance on the surface.
- the vertical crack is extended to the back surface of the brittle material substrate, thereby causing the brittle material substrate to partially cover the first substrate portion.
- a sectional separation means for moving one substrate portion.
- the dividing surface separating means is elastically deformed by being pressed against the surface of the first substrate portion, and rolls the surface of the first substrate portion to move the first substrate portion to the second substrate portion.
- a first roller that generates a force for separating the substrate partial force, and a first roller that is disposed opposite the first roller with the first substrate portion interposed therebetween, and is pressed against the back surface of the first substrate portion.
- a second roller that elastically deforms and causes the first substrate portion to roll away from the second substrate partial force by rolling the back surface of the first substrate portion. Good.
- the diameter of each of the first roller and the second roller is sequentially increased from one side to the other side in the axial direction!], And the portion where each diameter becomes smaller is close to the dividing surface. It is also characterized by being arranged.
- the dividing surface separating means is disposed so that a direction orthogonal to the rotation axis intersects the scribe line at an acute angle on the front side of the pressure movement direction, A first roller that generates a force that separates the first substrate portion from the second substrate portion by rolling the surface, and the first roller that faces the first roller across the first substrate portion. And a second roller that generates a force for separating the first substrate portion from the second substrate partial force by rolling the back surface of the first substrate portion. It may be a feature.
- the dividing surface separating means includes an annular belt wound around a plurality of wheels having respective rotation axes parallel to each other, and the thickness of the belt is changed from one side edge to the other side edge in the width direction.
- the belt gradually increases in thickness, and the thin side edges are disposed close to the dividing surface, and the belt is elastically deformed by being pressed against the surface of the first substrate portion, whereby the belt
- a circular belt is wound around a first belt conveyor mechanism that generates a force for separating the first substrate portion from the second substrate partial force and a plurality of wheels whose rotational axes are parallel to each other.
- the thickness of the belt gradually increases from one side edge to the other side edge in the width direction, and the thin side edge approaches the sectional surface.
- the belt is elastically deformed by being pressed against the back surface of the first substrate portion, and the belt is rotated to move the first substrate portion away from the second substrate portion. It is characterized by having a second belt conveyor mechanism that generates
- the dividing surface separating means is configured such that an annular belt is wound around a plurality of wheels having respective rotation axes parallel to each other, and a direction perpendicular to each rotation axis is a front side of the pressure movement direction. Then, the belt is arranged so as to intersect at an acute angle with respect to the scribe line, and the belt rotates in a state of being pressed against the surface of the first substrate portion, whereby the first substrate portion is moved to the first substrate portion.
- Substrate partial force A first belt conveyor mechanism that generates a separating force, and an annular belt is strung on a plurality of wheels whose rotation axes are parallel to each other, and the first belt conveyor mechanism A force that separates the first substrate portion from the second substrate partial force by the belt moving around in a state of being placed opposite to each other across the substrate portion and pressed against the back surface of the first substrate portion.
- a first belt conveyor mechanism may be characterized by having a.
- the dividing surface separating means is in contact with the front and back surfaces of the second substrate, and moves the second substrate portion in a direction in which the dividing surface of the second substrate portion is separated from the dividing surface of the first substrate portion. It can also be moved!
- the dividing surface separating means is elastically deformed by being pressed against the surfaces of the first substrate portion and the second substrate portion, and the rotation causes the first substrate portion and the second substrate portion to be deformed.
- a first roller that generates a force to be separated from each other, and is elastically deformed by being pressed against a back surface portion corresponding to the front surface of the first substrate portion and the second substrate portion to which the first roller is pressed;
- a second roller that generates a force for separating the first substrate portion and the second substrate portion from each other by rotation.
- the dividing surface separation means is opposed to the first roller, which is pressed against the surface of the first substrate portion and rolls, and opposite to the first roller with the first substrate portion interposed therebetween, and the first roller.
- a second roller that is disposed so as to oppose the dividing surface of the substrate portion, and in which an interval between an outer peripheral surface and the first substrate portion is gradually increased from the dividing surface side to the first substrate side. Also good.
- the diameter of the outer peripheral surface of the second roller may gradually decrease from the dividing surface side to the first substrate side.
- the diameter of the outer peripheral surface of the second roller is constant, and the distance between the outer peripheral surface and the first substrate portion is sequentially increased by four forces on the sectional surface side force and the first substrate side. It may be arranged so as to be larger.
- the second roller may be arranged so as to be displaced rearward in the movement direction of the pressure with respect to the first roller.
- the second belt conveyor mechanism may be arranged to be shifted to the rear side in the movement direction of the pressure with respect to the first belt conveyor mechanism.
- the apparatus further comprises substrate holding means for holding the brittle material substrate!
- the substrate holding means may be characterized in that the dividing surface separating means is provided so as to be movable in a direction in which the brittle material substrate is moved!
- the brittle material substrate cutting method of the present invention is relatively movable along the scribe line in the vicinity of the scribe line of the brittle material substrate in which a scribe line by a vertical crack is previously formed on the surface.
- the first substrate portion may be moved downward.
- a brittle material substrate cutting device is a brittle material substrate cutting device that continuously cuts a brittle material substrate by moving a portion to be pressed along a scribe line previously formed on the brittle material substrate.
- Dividing section separating means for separating the dividing sections of the two substrate portions newly formed by dividing is provided. For this reason, it is possible to prevent contact between the divided surfaces and prevent surface defects such as scratches on the divided surfaces, and also prevent contamination of the brittle material product due to dust or fragments of the brittle material. .
- the dividing surface separating means separates the dividing surfaces from each other by moving one of the divided substrate parts in either the upper or lower direction while keeping the dividing surfaces apart from each other. It is possible to reliably prevent the divided sections from coming into contact again later.
- FIG. 1 is a diagram showing a configuration of a cutting apparatus according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view of a separation roller as an example of a separation section separation means provided in the cutting apparatus shown in FIG.
- FIG. 3 is a cross-sectional view of a first auxiliary roller provided in the cutting apparatus shown in FIG.
- FIG. 4 is a cross-sectional view of a substrate holding break roller and a press break roller provided in the cutting apparatus shown in FIG.
- FIG. 5 is a schematic diagram for explaining the operation of the cutting apparatus shown in FIG. 1.
- FIG. 6 is a schematic diagram for explaining the operation of the first separation roller and the second separation roller shown in FIG. 2.
- FIG. 6 is a schematic diagram for explaining the operation of the first separation roller and the second separation roller shown in FIG. 2.
- FIG. 7 is a view showing another example of the dividing section separating means provided in the cutting apparatus shown in FIG. 1.
- FIG. 8 is a view showing still another example of the dividing section separating means provided in the cutting apparatus shown in FIG.
- FIG. 9 is a view showing still another example of the dividing section separating means provided in the cutting apparatus shown in FIG. 1.
- FIG. 10 is a diagram showing a configuration of a cutting apparatus according to a second embodiment of the present invention.
- FIG. 11 is a diagram showing a configuration of a cutting apparatus according to a third embodiment of the present invention.
- FIG. 12 is a cross-sectional view of a push-down roller and a taper roller, which are an example of a cross-section separating means provided in the cutting apparatus shown in FIG.
- FIG. 13 is a view for explaining the arrangement and operation of the dividing section separating means provided in the cutting apparatus shown in FIG. 11.
- FIG. 14 is a diagram showing a configuration of a conventional cutting apparatus.
- FIG. 15 is a schematic diagram for explaining the operation of the conventional cutting apparatus shown in FIG.
- FIG. 16 Explains the behavior of the substrate after being cut by the conventional cutting device shown in FIG. It is a figure for doing.
- the cutting apparatus 1 shown in FIG. 1 executes a breaking process for cutting the substrate G on which a scribe line is formed.
- the upper roller holding part 110 and the lower part of the upper roller holding part 110 are And a lower roller holding part 120 disposed on the lower side.
- the substrate G is a brittle material substrate such as a glass substrate, and is placed on the table 130 (see FIG. 5).
- the table 130 shown in FIG. 5 includes a plurality of table constituent members 130a, and each table constituent member 130a is provided with a mechanism for holding the substrate G by, for example, vacuum suction. It is a vacuum suction table that functions as The tube nore 130 holds only each side of the substrate G so that the lower roller holding portion 120 can pass through.
- the upper roller holding unit 110 and the lower roller holding unit 120 are pedestals that can reciprocate along the + X direction and the X direction shown in FIG. 1 by a moving means (not shown) such as a motor.
- a moving means such as a motor.
- the upper roller holding unit 110 and the lower roller holding unit 120 are moved together in the + X direction at the same time.
- the upper roller holding unit 110 includes a first auxiliary roller 111, a substrate holding break roller 112, and a first separation roller 113 in order from the downstream side in the + X direction that is the moving direction at the time of division. They are arranged in a straight line along the X direction, and are held rotatably by the biasing holding means 111a, 112a, and 113a while being biased downward.
- the biasing holding means 111a and 113a for biasing and holding the first auxiliary roller 111 and the first separation roller 113 are each provided with an air cylinder fixed to the upper roller holding part 110, and the first auxiliary roller 111 Further, the downward urging force of the first separation roller 113, that is, the pressing force against the substrate G can be adjusted.
- the urging / holding means 112a for urging and holding the substrate holding break roller 112 includes a motor M fixed to the upper roller holding portion 110, and the substrate holding break roller 112 is biased downward.
- the force, that is, the pressing force on the substrate G can be adjusted.
- the lower roller holding portion 120 includes a second auxiliary roller 121, which is opposed to the first auxiliary roller 111, the substrate holding break roller 112, and the first separation roller 113, respectively, below the first auxiliary roller 111, the substrate holding break roller 112, and the first separation roller 113.
- a press break roller 122 and a second separation roller 123 are provided, and are respectively held rotatably by the biasing holding means 121a, 122a, and 123a while being biased upward.
- Each of the biasing holding means 121a and 123a for biasing and holding the second auxiliary roller 121 and the second separation roller 123 includes an air cylinder fixed to the lower roller holding portion 120, respectively.
- the upward biasing force of the second separation port roller 123 that is, the pressing force against the substrate G can be adjusted.
- the urging holding means 122a for urging and holding the pressing break roller 122 includes a motor fixed to the lower roller holding portion 120. The urging force upward of the pressing break roller 122, that is, the substrate G The pressing force against can be adjusted.
- the upper roller holding unit 110 and the lower roller holding unit 120 are moved together in the + X direction.
- the rollers 111 to 113 and 121 to 123 described above and their biasing holding means 111 & 113 and 121a to 123a are integrated with the movement of the upper roller holding part 110 and the lower roller holding part 120.
- the first auxiliary roller 111 and the second auxiliary roller 121, the substrate holding break roller 112 and the press break roller 122, the first separation roller 113 and the first Two separation rollers 123 roll on the front and back surfaces of the substrate G in that order.
- the first auxiliary roller 111 and the second auxiliary roller 121 have the same shape. As shown in FIG. 3, the first auxiliary roller 111 is formed on the scribe line formed on the substrate G and on the scribe line. The outer peripheral surface is configured to have a constant outer diameter so that the substrate portions located on both sides of the substrate roll, and the second auxiliary roller 121 is a surface of the substrate G on which the first auxiliary roller 111 rolls. As with the first auxiliary roller 111, the outer peripheral surface has a constant outer diameter so as to roll the back surface portion corresponding to.
- the first auxiliary roller 111 and the second auxiliary roller 121 are engineering plastics such as hard rubber such as urethane and polyether ether ketone resin. It is composed of a relatively hard material.
- the first auxiliary roller 111 and the second auxiliary roller 121 are rotatably attached by bearings to a support shaft (not shown) provided horizontally below the urging holding means 111a and 121a, respectively.
- FIG. 4A shows a cross-sectional shape of the substrate holding break roller 112.
- the substrate holding break roller 112 is rotatably attached by a bearing to a support shaft (not shown) provided horizontally below the urging holding means 112a.
- Grooves having a V-shaped cross section are formed on the outer peripheral surface of the substrate holding break roller 112, and the side edges on both sides are bases having a predetermined distance from the scribe line S on both sides of the scribe line S.
- the outer diameter is constant to roll the plate part! /
- FIG. 4B shows a cross-sectional shape of the press break roller 122.
- the pressure breaker roller 122 is rotatably attached by a bearing to a support shaft (not shown) provided horizontally at the lower portion of the urging holding means 122a.
- a U-shaped groove is provided at the axial center of the press break roller 122, and the outer peripheral surfaces on both sides of the groove are in a state of projecting in an arc shape.
- the pressing break roller 122 is a portion close to the portion corresponding to the scribe line S on the back surface opposite to the front surface of the substrate G on which the scribe line S is formed on both sides of the U-shaped groove, that is, upward.
- the pressure break roller 122 is also made of a relatively hard material such as hard rubber such as urethane and engineering plastic such as polyetheretherketone resin.
- the first separation roller 113 and the second separation roller 123 which are located on the opposite side of the + X direction with respect to the substrate holding break roller 112 and the pressure break roller 122, are configured in the same shape, as shown in FIG.
- the cross-sectional shapes of the first separation roller 113 and the second separation roller 123 are shown in FIG.
- the first separation roller 113 and the second separation roller 123 are rotatably attached by bearings to a support shaft (not shown) provided horizontally below the urging holding means 113a and 123a, respectively. Yes.
- V-shaped grooves are formed on the outer peripheral surfaces of the first separation roller 113 and the second separation roller 123.
- the first separation roller 113 and the second separation roller 123 have the smallest diameter at the central portion in the axial direction and gradually increase in diameter toward both sides in the axial direction. The diameter is the maximum.
- the cross-sectional shapes of the outer peripheral surfaces that are inclined at the respective side portions in the axial direction of the first separation roller 113 and the second separation roller 123 are each projected into an arc shape.
- the first separation roller 113 and the second separation roller 123 are elastically deformable and are integrally formed of a material having a predetermined friction coefficient with respect to the surface of the substrate G, for example, urethane rubber.
- first separation roller 113 and the second separation roller 123 shown in FIG. 2 have a shape in which the cross-sectional shape of the inclined outer peripheral surface in each side portion in the axial direction protrudes in an arc shape. However, it may be a shape that is recessed in an arc shape or a shape that is inclined linearly. Further, each of the first separation roller 113 and the second separation roller 123 is constituted by a pair of roller halves configured so that the diameter of one side force in the axial direction gradually decreases toward the other side surface, The roller halves may be brought into close contact with each other with their respective diameters shortened.
- the first separation roller 113 and the second separation roller 123, the urging holding means 113a and the urging holding means 123a press the substrate G when dividing the substrate G, and the divided substrate portions G1 and G2
- the force that causes the upper roller holding part 110 and the lower roller holding part 120 to move in the + X direction during the breaking process is replaced with a table 130 instead.
- the substrate G may be moved in the X direction by moving in the X direction.
- rotational driving means for rotating the rollers 111 to 113 and 121 to 123 are provided.
- Each mouth by rotation drive means The substrate may be moved in one X direction or + x direction by rotating the roller.
- FIG. 5 is a schematic diagram for explaining the operation of the cutting apparatus 1 for performing the breaking process.
- the outline of the operation when the cutting apparatus 1 performs the break process is as follows. First, the substrate G is placed on the table 130 so that the axial center positions of the rollers 111 to 113 and 121 to 123 substantially coincide with the scribe line S formed on the substrate G. The table 130 sucks and holds the substrate G by a method such as vacuum suction. Subsequently, the first auxiliary roller 111 and the second auxiliary roller 121 are held at positions where they come into contact with the respective surfaces of the substrate G by the urging means 111a and the urging means 121a, respectively.
- the substrate holding break roller 112 and the first separation roller 113 are held at positions where they are pressed against the surface of the substrate G by a predetermined pressure by the biasing holding means 112a and 113a, respectively, and the pressing break roller 122 and The second separation roller 123 is held at a position where it is pressed against the back surface of the substrate G with a predetermined pressure by the biasing holding means 122a and 123a.
- the upper roller holding part 110 and the lower roller holding part 120 are moved together along the + X direction. Accordingly, first, the first auxiliary roller 111 contacts the scribe line S on the surface of the substrate G, and the second auxiliary roller 121 contacts the portion corresponding to the scribe line S on the back surface of the substrate G.
- the substrate holding break roller 112 and The pressing break roller 122 rolls on the front and back surfaces of the substrate G with a predetermined pressing force, respectively.
- the vertical crack formed along the scribe line S extends downward and reaches the back surface of the substrate G by the substrate holding break roller 112 and the press break roller 122 as described below.
- the substrate G is divided into substrate portions G1 and G2 on both sides of the scribe line S.
- the first separation roller 113 rolls on the surface of the substrate G along the scribe line S
- the second separation roller 123 rolls on the back surface of the substrate G.
- the two separation rollers 123 reliably separate the respective divided sections B1 and B2 of the substrate portions G1 and G2.
- each roller when the cutting device 1 performs the breaking process will be described in detail. explain.
- one part of the substrate G separated by the scribe line S is a substrate part G1
- the other part is a substrate part G2.
- the substrate portion G1 and the substrate portion G2 are sequentially divided as the substrate holding break roller 112 and the pressure break roller 122 move.
- the substrate holding break roller 112 presses both side portions having a predetermined interval with respect to the scribe line S on the surface of the substrate G, whereas the pressing break roller 122 is pressed against the substrate holding break roller 112. Press the back part corresponding to the part closer to the scribe line S than the part.
- the press break roller 122 pushes up both side portions close to the scribe line upward, and the substrate holding break roller 112 pushes down both side portions outside the both side portions close to the scribe line S to be pushed up.
- the vertical cracks constituting the scribe line S extend in the thickness direction of the substrate G. Then, when the vertical crack reaches the back surface of the substrate G, the substrate G is divided into the substrate portions G1 and G2.
- the first auxiliary roller 111 and the second auxiliary roller 121 regulate the stagnation of the substrate G before the division, and prevent the vertical crack from extending in a direction other than the vertical direction.
- the first separation roller 113 and the second separation roller 123 cause the divided substrate portion G1 and substrate portion G2 to cross each other. Are moved in a direction away from each other, thereby separating the respective divided sections B1 and B2 of the substrate portion G1 and the substrate portion G2.
- FIG. 6 is a cross-sectional view of the upstream force in the moving direction of the first separation roller 113 and the second separation roller 123, and the first separation roller 113 and the second separation roller 123 are biased by the respective bias holding means 113 and the bias holding means 123.
- the pressing force Fp and Fp ′ applied to the separation roller 123 and the first separation roller 113 and the separation roller 123 respectively cause the substrate portion G1 and the substrate portion G2 to interact with each other.
- the respective forces Fd and Fd ′ for separating them are schematically indicated by arrows.
- the first separation roller 113 and the second separation roller 123 are formed so that the outer diameter sequentially increases from the axial center portion to the side edge portions on both sides, and the bending force can be elastically deformed.
- the pressing forces Fp and Fp ′ are pressed against the front and back surfaces of the substrate portions G1 and G2, respectively, the side edges on the outer peripheral side that are the respective pressing portions are elastically deformed in the direction of separating from each other.
- the first separation roller 113 and the second separation roller 123 are separated from the substrate portions G1 and G2 by elastically deforming the press contact portions of the side edges on both sides in a direction away from each other.
- first separation roller 113 and the second separation roller 123 have a predetermined coefficient of friction with respect to the front surface and the back surface of the substrate G, the first separation roller 113 and the second separation roller are caused by these forces Fd and Fd ′.
- the substrate part G1 and the substrate part G2 to which 123 is pressed are moved so that the divided sections B1 and B2 are separated from each other.
- the first separation roller 113 and the second separation roller 123 are based on the respective pressing forces Fp and Fp 'applied from the respective biasing holding means 113a and 123a, Forces Fd and Fd ′ in the direction of separating B2 from each other can be applied to the substrate portion G1 and the substrate portion G2, respectively.
- the magnitudes of the pressing forces Fp and Fp are such that the first separation roller 113 and the second separation roller 123 are deformed so that the divided sections B1 and B2 are separated from each other. It is set appropriately according to the material of the front roller 113 and the second separation roller 123, the material of the substrate G to be divided, and the like.
- the portion holding the substrate portion G1 and the substrate portion G2 may move in a direction away from each other so as not to hinder the movement of separating the substrate portion G1 and the substrate portion G2.
- a portion of the table 130 that holds the substrate portion G1 and the substrate portion G2 is provided so as to be movable in a direction parallel to the surface of the placed substrate G and perpendicular to the scribe line. What is necessary is just to comprise so that it may move with the board
- the portion of the table 130 that holds the substrate portion Gl and the substrate portion G2 is stopped at a predetermined position until the first separation roller 113 and the second separation roller 123 pass, and the first separation roller 113 and the second separation roller 113
- the roller 123 passes, it is preferably moved together with the substrate portion G1 and the substrate portion G2. Therefore, the table 130 is, for example, an urging means such as an elastic body or an air cylinder until the first separation roller 113 and the second separation roller 123 pass through the portion holding the substrate portion G1 and the substrate portion G2. Therefore, in a state where the first separation roller 113 and the second separation roller 123 are energized with a force smaller than the force (forces Fd and Fd ′ in FIG.
- a moving means such as an air cylinder that moves the portion of the table 130 that holds the substrate portion G1 and the substrate portion G2 is provided to synchronize with the movement of the upper roller holding portion 110 and the lower roller holding portion 120.
- the portions of the table 130 that hold the substrate portion G1 and the substrate portion G2 are held at predetermined positions before passing through the first separation roller 113 and the second separation roller 123.
- the portion of the table 130 that holds the substrate portion G1 and the substrate portion G2 is moved in the direction in which the respective divided sections B1 and B2 are separated from each other. It may be configured.
- the position of the upper roller holding part 110, the lower roller holding part 120, etc. is detected, and the moving means such as the air cylinder is controlled based on the detection result.
- the supply and stop of the compressed air supplied to the air cylinder can be controlled using a solenoid valve or the like!
- the first separation roller 113 and the second separation roller 123 provided in the cutting apparatus 1 according to the present embodiment are arranged behind the substrate holding break roller 112 and the press break roller 122 in the moving direction.
- the side edge portions on both sides deform from the axial center toward the outside on both sides, thereby causing the substrate portions G1 and G2 to become the first.
- the axial direction of the separation roller 113 and the second separation roller 123 It is designed to move from the center to the outside on both sides.
- first separation roller 113 and the second separation roller 123 roll on the substrate G while being pressed against the substrate G together with the substrate holding break roller 112 and the press break mouth roller 122, thereby separating the first separation roller 113 and the second separation roller 123.
- the substrate sections G1 and G2 immediately after being cut can be moved away from each other, so that the divided sections B1 and B2 can be separated from each other.
- the divided sections B1 and B2 of the brittle material substrate divided in the breaking step are prevented from contacting each other, and the divided sections B1 and B1 of the brittle material substrate resulting from the contact between the divided sections B1 and B2 B2 and surface damage and contamination can be prevented.
- the dividing surface separating means is a first material integrally formed of a predetermined material so that the diameter gradually increases from the axial center to the side surfaces on both sides.
- Force to provide the separation roller 113 and the second separation roller 123 see FIG. 2
- the diameter of the first separation roller 113 and the second separation roller 123 is gradually increased by applying one side force in the axial direction to the other side surface. You may comprise so that it may become small.
- FIG. 7 is a cross-sectional view of the first separation roller 113D and the second separation roller 123D configured as described above. Specifically, the first separation roller 113D and the second separation roller 123D are formed by dividing the first separation roller 113 and the second separation roller 123 shown in FIG. 2 into two at the center in the axial direction. It becomes.
- the first separation roller 113D and the second separation roller 123D are arranged so as to face each other across the substrate G in a state where one side surface having a small diameter is brought close to the scribe line S, respectively. Be placed. Then, the pair of first separation roller 113D and second separation roller 123D are pressed against the substrate and moved along the scribe line S, whereby the pair of first separation roller 113D and second separation roller 123D are respectively pressed.
- One substrate portion G1 can be moved away from the other substrate portion G2. In this case, it is preferable that the other substrate portion G2 is held without being moved by a table or the like while being pressed by the pair of first separation roller 113D and second separation roller 123D!
- the first separation roller and the second separation roller are respectively inclined by inclined rollers whose axial direction is inclined at a predetermined angle with respect to the direction (+ X direction) in which the upper roller holding portion 110 and the lower roller holding portion 120 move. You can configure it.
- FIG. 8 is a schematic plan view showing the positional relationship between the moving direction of the inclined roller 114 used as the first separation roller 113 and the second separation roller 123 and the rotation axis.
- the inclined roller 114 shown in FIG. 8 is a schematic plan view showing the positional relationship between the moving direction of the inclined roller 114 used as the first separation roller 113 and the second separation roller 123 and the rotation axis.
- the rotation axis A of the inclined roller 114 moves in the breaking process (the + X direction in which the upper roller holding part 110 and the lower roller holding part 120 move), that is, The direction orthogonal to the scribe line S and perpendicular to the rotational axis A of the inclined roller 114 is arranged to intersect the scribe line S at an acute angle on the front side of the moving direction of the inclined roller 114 in the breaking process.
- the inclined roller 114 which is the first separating roller 113 and the second separating roller 123, is replaced with the front surface and the back surface of the substrate G.
- the substrate portion G1 to which each inclined roller 114 is pressed is moved away from the other substrate portion G2 by being brought into pressure contact with the portion adjacent to the scribe line S in FIG. Moved to.
- the dividing surface separating means is not limited to the configuration in which one inclined roller 114 is used as each of the first separating roller 113 and the second separating roller 123, but the first separating roller 113 and the second separating roller.
- As 123 it is good also as a structure which uses a pair of inclination roller 114, respectively.
- the pair of inclined rollers 114 respectively used as the first separation roller 113 and the second separation roller 123 are inclined with respect to the scribe line S so as to be symmetric with respect to the scribe line S. Placed in the state.
- the pair of separating rollers is formed by the inclined roller 114 and the separating roller 113D having the cross-sectional shape shown in FIG. Make up.
- the first separation roller 113 and the second separation roller 123 are formed by using the inclined roller 114 in which the rotation axis is not orthogonal to the moving direction and the rolling direction is inclined.
- the substrate portion G1 to which the inclined roller 114 is pressed can be separated from the other substrate portion G2.
- the inclination angle between the rotation axis A of the inclination roller 114 and the scribe line S provides a force for moving the substrate portion G1 with which the inclination roller 114 is in pressure contact with the other substrate portion G2. And is appropriately changed depending on the material of the substrate G.
- the material of the inclined roller 114 is a coefficient of friction with respect to the substrate G such that when the substrate G is pressed against the substrate G, a force that separates the pressed substrate portion G1 from the other substrate portion G2 is obtained.
- hard rubber such as urethane rubber is used.
- the outer peripheral surface of the inclined roller 114 in contact with the substrate G may be in either a state where the outer diameter is constant or a state where the outer diameter changes in the axial direction.
- the separation roller 11 3D shown in FIG. It may be the same shape as the outer peripheral surface. In this case, the inclined roller 114 is elastically deformed by being pressed against the substrate portion G1, and the substrate portion G1 to which the inclined roller 114 is pressed can be moved more reliably.
- a belt conveyor mechanism 115 used for the sectional separation means will be described.
- the belt conveyor mechanism 115 for example, a driving device is not provided, and each wheel 115a is configured to freely rotate.
- the belt conveyor mechanism 115 uses, for example, a belt 115b that is elastically deformable and has a predetermined coefficient of friction with respect to the substrate G, so that the cross-sectional shape of the belt 115b is thinned at the center in the width direction of the belt 115b.
- a pair configured to become thicker as the side edges on both sides are made to face each other across the substrate G, and the center of each belt in the width direction is along the scribe line S of the substrate G. Deploy.
- each belt in the pair of belt conveyor mechanisms 115 are elastically deformed by being pressed against the front and back surfaces of the substrate G, and in such a state, each belt 115b is attached to the substrate G.
- a substrate portion in which the side edges of the belts 115b facing each other are pressed against each other by rotating in contact with the front and back surfaces.
- the minutes Gl and G2 are moved away from each other.
- the cross-sectional shape of the belt 115b is changed so that the thickness at one side edge of the belt 115b is the other.
- a pair of each of the belts 115b facing each other with the substrate G sandwiched between them, and the thin one side edge of each belt 115b extends along the scribe line S of the substrate G.
- the side edge portions of the belts 115b in the pair of belt conveyor mechanisms 115 are elastically deformed by being pressed against the front surface and the back surface of the substrate G, respectively. By rotating in contact with the front and back surfaces of G, the substrate portion G1 in which the side edge portions of the belts 115b facing each other are pressed and moved is moved away from the other substrate portion G2.
- each wheel 115a around which each belt 115b in the pair of upper and lower belt conveyor mechanisms 115 is wound is inclined with respect to the scribe line S, and the direction orthogonal to each rotation axis is a breaking step. It may be arranged so as to be inclined with respect to the scribe line S so as to intersect with the scribe line S at an acute angle on the front side in the moving direction. As a result, each belt 115b moves in a state of being pressed against the front and back surfaces of the substrate G, so that the substrate portion G1 to which each belt 115b is pressed is moved so as to be separated from the other substrate portion G2. .
- a configuration in which a pair of belt conveyor mechanisms 115 with which the belt 115b is pressed against the front surface and the back surface of the other substrate portion G2 may be further provided, or the surface of the other substrate portion G2 and A configuration may be adopted in which the separation roller 113D having the cross-sectional shape shown in FIG. 7 is pressed against the back surface, or the inclined roller 114 shown in FIG. 8 is pressed against the front and back surfaces of the other substrate portion.
- the above-described dividing section separating means provided in the dividing apparatus according to the first embodiment of the present invention moves the substrates divided in the breaking process in the direction of separating from each other.
- the dividing section separating means provided in the dividing apparatus according to the embodiment is characterized in that, in addition to this, one substrate portion after dividing is moved also in the vertical direction.
- the cutting device 2 according to the present embodiment shown in FIG. 10 includes, as the first separation roller 113 and the second separation roller 123 in the cutting device 1 of the first embodiment shown in FIG.
- Each of the separation rollers 113D having the cross-sectional shape shown in FIG. 7 is used, and the first separation roller 113D disposed above the substrate G and the second separation roller 113D disposed below the substrate G are scribe lines.
- the first separation roller 113D is disposed on the same side as S (corresponding to the substrate portion G1 on the front side in FIG. 10), and the first separation roller 113D is more than the second separation roller 113D. It is located behind in the direction of movement. Specifically, the positional force of the rotating shaft of the first separating roller 113D held by the upper roller holding unit 110 via the biasing means 113a is more rearward in the moving direction than the position of the rotating shaft of the second separating roller 113D. In the ( ⁇ X direction), they are spaced apart by a distance less than the diameter of each separation roller 113D.
- the other configuration of the cutting apparatus 2 is the same as that of the cutting apparatus 1, and the same reference numerals are used and description thereof is omitted.
- the positional force of the rotation shaft of the first separation roller 113D disposed above the substrate G is disposed behind the position of the rotation shaft of the second separation roller 113D disposed below the substrate G in the movement direction. Therefore, the portion located between the two separation rollers 113D in the substrate portion G1 is pressed downward by the first separation roller 113D, and is more than the intermediate position between the portions where the first and second separation rollers 113D are in contact with each other.
- the substrate located at the rear is positioned below the intermediate position, and the rear portion is inclined relative to the intermediate position.
- the divided substrate portion G1 pressed by the two separation rollers 113D is moved in the direction in which the section B1 is separated from the section B2 of the other substrate portion G2, and at the same time, the other substrate portion G2 is separated. It is moved so as to be inclined downward.
- table 130 (see FIG. 5) adsorbs and holds only substrate portion G2.
- the substrate portion G1 is moved downward by the first separation roller 113D, and is dropped as it is after being separated.
- the substrate portion G1 may be configured to be sucked and held by the table 130.
- the table 130 that holds the substrate portion G1 is preferably configured to be movable not only in the direction along the surface of the substrate G but also in the downward direction. With the table having such a configuration, when moving the substrate portion G1 in the direction away from the other substrate portion G2, There is no risk of preventing the substrate portion Gl from moving downward.
- the divided sections B1 and B2 of the substrate portions G1 and G2 are separated from each other by the first and second spacing rollers 113D.
- the vertical position of each divided board part G1 and G2 will be shifted while moving so that the divided sections B1 and B2 of each board part G1 and G2 are in contact with each other. Can be prevented.
- the first separation roller 113D has passed, even if the substrate portion G1 moves in a direction approaching the substrate portion G2, the respective sectional planes B1 and B2 are displaced in the vertical direction. Therefore, it is possible to reliably prevent the divided sections B1 and B2 from contacting each other.
- the cutting apparatus 2 according to the present embodiment described above is moved only in the direction away from the sectional force of the other substrate portion G1 without pressing the substrate portion G2 and moving it upward and downward.
- it may be arranged by adding an additional separation roller.
- the dividing section separating means in the present embodiment is configured to use the pair of first and second separating rollers 113D having the sectional shape shown in FIG. 7, but instead of this, as shown in FIG. A configuration in which a pair of inclined rollers 114 having a shape may be used. Further, a configuration using a pair of belt conveyor mechanisms 115 having the shape shown in FIG. Furthermore, a pair selected from the separation roller 113D having the cross-sectional shape shown in FIG. 7, the inclined roller 114 having the shape shown in FIG. 8, and the belt conveyor mechanism 115 having the shape shown in FIG. 9 may be used. ,.
- the dividing section separating means provided in the dividing device according to the first and second embodiments of the present invention described above is based on the deformation of the roller or belt that contacts the substrate, or the rotation axis with respect to the moving direction.
- the dividing section separating means provided in the cutting apparatus according to the present embodiment is configured so that the substrates separated in the breaking process are separated from each other.
- a roller that presses the surface of the substrate G and a roller whose outer peripheral surface is inclined as the outer diameter sequentially decreases along the axial direction restricts the position of the divided substrate portion. In this way, the divided substrate portions are moved respectively.
- the cutting device 3 according to the present embodiment shown in FIG. 11 is the same as that of the first embodiment shown in FIG.
- the first separation roller 113 and the second separation roller 123 in the form cutting device 1 are changed to a pressing roller 313 shown in FIG. 12 (a) and a tapered roller 323 shown in FIG. 12 (b), respectively.
- the pressing roller 313 and the taper roller 323 are arranged vertically so as to face each other with the one substrate portion G1 interposed therebetween. Since the other configuration of the cutting device 3 is the same as that of the cutting device 1, the same reference numerals are used and description thereof is omitted.
- the pressing roller 313 shown in FIG. 12 (a) has a flat outer surface whose outer diameter is constant in the axial direction and whose outer peripheral surface is parallel to the rotating shaft.
- the pressing roller 313 is not limited to such a shape, and may have any shape as long as it can be pressed downward by being pressed against the surface of the substrate portion G1.
- the pressing roller 313 is made of, for example, hard rubber such as urethane, engineering plastic such as polyetheretherketone resin, or metal.
- the tapered roller 323 shown in FIG. 12 (b) is formed so that the diameter of one side force is gradually reduced toward the other side, that is, the outer peripheral surface has a tapered cross-sectional shape. Laura. One side surface having a longer diameter than the other side surface is referred to as a large-diameter surface 323L, and the other side surface is referred to as a small-diameter surface 323S.
- the taper roller 323 is made of a material such as engineering plastic such as polyetheretherketone resin or metal. Note that FIGS. 12 (a) and 12 (b) also show a bearing used for pivotally supporting the pressing roller 313 and the taper roller 323.
- FIG. 13 is a cross-sectional view seen from the moving direction of the pressing roller 313 in the break process.
- FIG. 13 shows the positions of the pressing roller 313 and the taper roller 132.
- the pressing roller 313 and the taper roller 323 separate the respective sectional planes B1 and B2 of the substrate portion G1 and the substrate portion G2. It becomes.
- the taper roller 323 is disposed such that the outer peripheral surface thereof is located below the sectional plane B1 of one substrate portion G1, and the large-diameter surface 323L is closer to the other substrate portion G2 than the small-diameter surface 323S. ing. More specifically, the tapered roller 323 is arranged such that the large diameter surface 323L is located below the other substrate portion G2, and the small diameter surface 323S is located below the other substrate portion G1. By arranging in this way, the lower end of the divided section B2 of the one substrate portion G1 pressed downward by the pressing roller 313 is surely in contact with the outer peripheral surface of the tapered roller 323.
- the pressing roller 313 is preferably arranged in the state of being close to the scribe line S so that its outer peripheral surface is in contact with the surface of one substrate portion G1 and not in contact with the other substrate portion G2. ,. Since the large-diameter surface 323L of the taper roller 323 is located V below the other substrate portion G2, the outer peripheral surface of the taper roller 323 just below the dividing plane B2 of the other substrate portion G2, and the pressing roller 313. The distance between the lower end of the side surface adjacent to the scribe line S and the upper and lower direction is a distance L 1 smaller than the thickness t of the substrate G.
- one substrate portion G1 sandwiched between the pressing roller 313 and the taper roller 323 is pressed downward by the pressing port roller 313. It is pressed against the outer peripheral surface of the taper roller 323.
- the corner portion force of the lower end portion of the divided section B1 of the one substrate portion G1 is pressed against the outer peripheral surface of the taper roller 323, the position of the outer peripheral surface of the initial tapered roller 323 and the pressing roller 313 are pressed against the corner portion.
- the vertical gap of the substrate G is the gap L1 where the thickness of the substrate G is small, so that the pressed corner slides to the small diameter surface 323S side of the taper roller 323 and the vertical gap from the pressing roller 313. Is moved to the position of the outer peripheral surface of the taper roller 32 3 having the thickness t of the substrate G.
- the dividing plane B1 of one substrate portion G1 is separated from the dividing plane B2 of the other substrate portion G2, and the dividing surface B1 of the one substrate portion G1 and the dividing surface B2 of the other substrate portion G2
- the distance D of the substrate varies slightly depending on the inclination of one substrate part G1, etc. From the inclination angle ⁇ of the outer circumference of the taper roller 323, the thickness t of one substrate part G1, and the distance L 1 between both rollers Is defined by the following equation (1).
- the separating distance D between the one substrate portion G1 and the other substrate portion G2 is set to the pressing roller 313 and the taper roller. Since it can be defined by the shape and arrangement of the substrate 323, the divided sections B1 and B2 of the substrate parts G1 and G2 that are more reliably divided can be separated from each other.
- the substrate portion G2 is fixedly held so as not to move in the vertical direction and the horizontal direction. For this reason, the substrate portion G2 may be sucked and held on a table (not shown) or the like. Further, another roller is additionally disposed above the outer peripheral portion of the large-diameter surface 323L of the taper roller 323, and the substrate is formed by the outer peripheral portion of the large-diameter surface 323L of the taper roller 323 and the other roller disposed above it. It may be possible to regulate the position of part G2. Thereby, the divided sections B1 and B2 of the divided substrate portions G1 and G2 can be separated more reliably.
- the member constituting the taper roller 323 engineering plastic, metal, and the like are illustrated. However, if one substrate portion G1 in contact with the taper roller 323 is an unnecessary end portion, the substrate portion G1 is damaged. However, it is preferable that the taper roller 323 is made of a metal such as stainless steel that gives priority to the durability of the taper roller 323. In this case, in order to prevent the outer peripheral portion of the large diameter surface 323L from coming into contact with the other substrate portion G2 and being damaged, the other substrate portion G2 is not damaged along the outer peripheral portion of the large diameter surface 323L. For example, a member such as rubber or engineering plastic may be provided.
- the taper roller 323 is relatively soft such as an engineering plastic. I prefer to use materials. In addition, any material may be provided with a desired hardness and durability by applying a coating or coating to the surface.
- a roller having an outer peripheral surface parallel to the rotation axis may be provided to be inclined with respect to the surface of the substrate G.
- the cutting apparatus according to the present invention is applied to, for example, cutting of a liquid crystal panel, a plasma display panel, an organic EL panel, an inorganic EL panel, a transmissive projector single substrate, and a reflective projector substrate, which are a kind of flat display panel. Is possible.
- the cutting apparatus according to the present invention includes, for example, a single substrate (for example, a glass substrate, a quartz substrate, a sapphire substrate, a semiconductor wafer, a ceramic substrate, a solar cell substrate, a liquid crystal display panel, an organic EL panel, It can also be applied to the division of inorganic EL panels, transmissive projector substrates, and reflective projector substrates. Furthermore, the present invention can be effectively applied to the division of a bonded substrate obtained by bonding a plurality of substrates.
- the cutting device separates the cross-sections that are continuously generated in the breaking process of continuously cutting the brittle material substrate on which the scribe line is formed so as not to contact each other. Therefore, it is possible to prevent the occurrence of quality defects such as scratches and chips on the divided sections due to contact between the divided sections of the divided substrates when the brittle material substrate is divided.
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN2006800280152A CN101232982B (zh) | 2005-05-30 | 2006-05-26 | 脆性材料基板分割装置及分割方法 |
JP2007518943A JP4718546B2 (ja) | 2005-05-30 | 2006-05-26 | 脆性材料基板分断装置および分断方法 |
EP20060756641 EP1886782A1 (en) | 2005-05-30 | 2006-05-26 | Device and method for cutting off substrate of fragile material |
US11/915,894 US8276796B2 (en) | 2005-05-30 | 2006-05-26 | Device and method for cutting off substrate of fragile material |
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JP2005187324 | 2005-05-30 | ||
JP2005-187324 | 2005-05-30 |
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US (1) | US8276796B2 (ja) |
EP (1) | EP1886782A1 (ja) |
JP (1) | JP4718546B2 (ja) |
KR (1) | KR100907462B1 (ja) |
CN (1) | CN101232982B (ja) |
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Cited By (5)
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JP2009078502A (ja) * | 2007-09-27 | 2009-04-16 | Mitsuboshi Diamond Industrial Co Ltd | 脆性材料基板の割断装置および割断方法 |
CN102596523A (zh) * | 2010-02-05 | 2012-07-18 | 三星钻石工业股份有限公司 | 脆性材料基板的断裂方法 |
JP2012218247A (ja) * | 2011-04-06 | 2012-11-12 | Mitsuboshi Diamond Industrial Co Ltd | ブレイク装置 |
JP5193289B2 (ja) * | 2008-04-28 | 2013-05-08 | 三星ダイヤモンド工業株式会社 | 脆性材料ブレーク装置及び脆性材料ブレーク方法 |
WO2020031470A1 (ja) * | 2018-08-10 | 2020-02-13 | 株式会社ジャパンディスプレイ | ガラス基板切断装置及びガラス基板切断方法 |
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JP2009078502A (ja) * | 2007-09-27 | 2009-04-16 | Mitsuboshi Diamond Industrial Co Ltd | 脆性材料基板の割断装置および割断方法 |
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Also Published As
Publication number | Publication date |
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US20100065599A1 (en) | 2010-03-18 |
EP1886782A1 (en) | 2008-02-13 |
US8276796B2 (en) | 2012-10-02 |
JP4718546B2 (ja) | 2011-07-06 |
KR20080011702A (ko) | 2008-02-05 |
TW200718662A (en) | 2007-05-16 |
JPWO2006129563A1 (ja) | 2008-12-25 |
CN101232982A (zh) | 2008-07-30 |
KR100907462B1 (ko) | 2009-07-13 |
TWI457302B (zh) | 2014-10-21 |
CN101232982B (zh) | 2012-03-21 |
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