WO2023062866A1 - 切断装置、及び切断品の製造方法 - Google Patents
切断装置、及び切断品の製造方法 Download PDFInfo
- Publication number
- WO2023062866A1 WO2023062866A1 PCT/JP2022/022616 JP2022022616W WO2023062866A1 WO 2023062866 A1 WO2023062866 A1 WO 2023062866A1 JP 2022022616 W JP2022022616 W JP 2022022616W WO 2023062866 A1 WO2023062866 A1 WO 2023062866A1
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- WIPO (PCT)
- Prior art keywords
- control unit
- cutting device
- regions
- dress board
- area
- Prior art date
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- 238000005520 cutting process Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000003384 imaging method Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 description 201
- 239000000758 substrate Substances 0.000 description 46
- 238000012790 confirmation Methods 0.000 description 43
- 238000007689 inspection Methods 0.000 description 41
- 238000010586 diagram Methods 0.000 description 19
- 230000003287 optical effect Effects 0.000 description 19
- 238000003860 storage Methods 0.000 description 14
- 230000002950 deficient Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 230000032258 transport Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
Definitions
- the present invention relates to a cutting device and a method for manufacturing a cut product.
- Patent Document 1 discloses a cutting device.
- the spindle rotation speed during dressing of the cutting blade differs from the spindle rotation speed during machining of the workpiece.
- the alignment groove is formed in the dressing board at the spindle rotation speed during machining of the workpiece. The alignment groove is used to align the cutting blade (spindle). As a result, the influence of misalignment due to warping of the cutting blade during machining of the workpiece is eliminated, so that the cutting position can be accurately aligned (see Patent Document 1).
- Patent Document 1 In the cutting device disclosed in Patent Document 1, an image of the positioning groove formed in the dressing board (dressing board) is captured by the imaging means.
- Patent Document 1 does not disclose a technique for detecting a dressable area of the dress board.
- the present invention has been made to solve such problems, and an object of the present invention is to provide a cutting apparatus capable of efficiently detecting a dressable area of a dress board, and a cutting apparatus using the cutting apparatus. It is to provide a method of manufacturing a product.
- a cutting device is configured to cut an object to be cut with a blade.
- Dressing of the blade is done by using a dress board.
- the cutting device includes an imaging section and a control section.
- the imaging unit is configured to move relative to the dress board and to image a partial area of the dress board.
- the control unit controls the imaging unit to sequentially capture images of the plurality of first regions of the dress board, and determines whether or not there is a cutline in each of the plurality of first regions based on the imaging results of the imaging unit.
- the control unit determines whether or not it is necessary to determine the presence or absence of the cutline in the second region based on the presence or absence of the cutline in each of the plurality of first regions.
- a method of manufacturing a cut product according to another aspect of the present invention is a method of manufacturing a cut product using the above-described cutting apparatus, wherein the dressing of the blade is performed in the area of the dress board determined by the control unit that the cut line does not exist. and cutting the object to be cut with the dressed blade.
- a cutting device capable of efficiently detecting a dressable region of a dress board, and a method of manufacturing a cut product using the cutting device.
- FIG. 4 is a diagram schematically showing a plan view of an example of a dress board that has been used for dressing several times; It is a figure for demonstrating each detection area.
- FIG. 4 is a diagram schematically showing a software configuration for realizing automatic detection of unused areas;
- FIG. 4 is a diagram schematically showing an example of a dress board without unused areas;
- FIG. 4 is a diagram schematically showing an example of a dress board with an unused area above it;
- FIG. 4 is a diagram schematically showing an example of a dress board in which unused areas exist in half or more of the area including the upper part;
- FIG. 4 is a diagram schematically showing an example of a dress board with an unused area below;
- FIG. 3 is a diagram schematically showing an example of a dress board having unused areas on both upper and lower sides;
- FIG. 4 is a diagram schematically showing an example of a new dress board; 4 is a flow chart showing a preparatory procedure for dressing the blade.
- FIG. 15 is a flow chart showing the process executed in step S130 of FIG. 14;
- FIG. 16 is a flow chart showing the process executed in step S220 of FIG. 15;
- FIG. 17 is a flow chart showing processing executed in step S355 of FIG. 16;
- this embodiment an embodiment according to one aspect of the present invention (hereinafter also referred to as “this embodiment”) will be described in detail with reference to the drawings.
- the same or corresponding parts in the drawings are denoted by the same reference numerals, and the description thereof will not be repeated.
- each drawing is schematically drawn by appropriately omitting or exaggerating objects for easy understanding.
- FIG. 1 is a plan view schematically showing a cutting device 1 according to this embodiment.
- the cutting device 1 is configured to separate a package substrate (object to be cut) into a plurality of electronic components (package components) by cutting the package substrate.
- a substrate or a lead frame on which a semiconductor chip is mounted is resin-sealed.
- package substrates include BGA (Ball Grid Array) package substrates, LGA (Land Grid Array) package substrates, CSP (Chip Size Package) package substrates, LED (Light Emitting Diode) package substrates, QFN (Quad Flat No-lead ) package substrates.
- a package substrate P1 is used as an object to be cut, and the cutting device 1 separates the package substrate P1 into a plurality of electronic components S1.
- the resin-sealed surface is referred to as a mold surface, and the surface opposite to the mold surface is referred to as a ball/lead surface.
- the cutting device 1 includes a cutting module A1 and an inspection/storage module B1 as components.
- the cutting module A1 is configured to manufacture a plurality of electronic components S1 (cut products) by cutting the package substrate P1.
- the inspection/storage module B1 is configured to inspect each of the plurality of manufactured electronic components S1 and then store the electronic components S1 in a tray. In the cutting device 1, each component is detachable and replaceable with respect to other components.
- the cutting module A1 mainly includes a substrate supply section 3, a positioning section 4, a cutting table 5, a spindle section 6, and a transport section 7.
- the substrate supply unit 3 supplies the package substrates P1 one by one to the positioning unit 4 by pushing out the package substrates P1 one by one from the magazine M1 that stores the plurality of package substrates P1. At this time, the package substrate P1 is arranged with the ball/lead surface facing upward.
- the positioning unit 4 positions the package substrate P1 pushed out from the substrate supply unit 3 on the rail portions 4a. After that, the positioning unit 4 conveys the positioned package substrate P1 to the cutting table 5 .
- the cutting table 5 holds the package substrate P to be cut.
- a cutting device 1 having a twin-cut table configuration having two cutting tables 5 is illustrated.
- the cutting table 5 includes a holding member 5a, a rotating mechanism 5b, and a moving mechanism 5c.
- FIG. 2 is a diagram schematically showing a plane of the holding member 5a.
- the holding member 5a holds the package substrate P1 by sucking the package substrate P1 conveyed by the positioning unit 4 from below.
- the holding member 5a includes a holding member body portion 5a1 and a dress board holding portion 5a2.
- the holding member main body portion 5a1 has a rectangular shape in plan view, and is configured to suck the package substrate P1 from below.
- a dress board holding portion 5a2 is integrally formed on a side surface of the holding member body portion 5a1.
- the dress board holding portion 5a2 has a rectangular shape in plan view, and is configured to suck the dress board 8 from below.
- the dress board 8 is used for dressing the blade 6a (described later).
- Dressing refers to the operation of removing the bond material covering the abrasive grains and causing the abrasive grains to protrude from the blade 6a. That is, dressing refers to sharpening the blade 6a to eliminate clogging of the blade 6a.
- Dressing of the blade 6a is performed by forming a cut line on the dressing board 8 with the blade 6a. For example, the package substrate P1 is cut by the dressed blade 6a. The dressing of the blade 6a will be explained later in detail.
- the rotation mechanism 5b can rotate the holding member 5a in the ⁇ 1 direction in the figure.
- the moving mechanism 5c can move the holding member 5a along the Y-axis in the figure.
- the spindle unit 6 separates the package substrate P1 into a plurality of electronic components S1 by cutting the package substrate P1.
- a twin-spindle cutting device 1 having two spindles 6 is illustrated.
- the spindle part 6 is movable along the X-axis and Z-axis of the figure. Note that the cutting device 1 may have a single spindle configuration having one spindle portion 6 .
- FIG. 3 is a side view schematically showing the spindle section 6.
- the spindle portion 6 includes a blade 6a, a rotating shaft 6c, a first flange 6d, a second flange 6e, and a fastening member 6f.
- the blade 6a rotates at a high speed to cut the package substrate P1 and singulate the package substrate P1 into a plurality of electronic components S1.
- the blade 6a is attached to the rotary shaft 6c while being sandwiched between one flange (first flange) 6d and the other flange (second flange) 6e.
- the first flange 6d and the second flange 6e are fixed to the rotating shaft 6c by a fastening member 6f such as a nut.
- the first flange 6d is also called an inner flange
- the second flange 6e is also called an outer flange.
- the spindle portion 6 has a cutting water nozzle for injecting cutting water toward the blade 6a rotating at high speed, a cooling water nozzle for injecting cooling water, and a washing water nozzle for injecting washing water for washing cutting chips and the like. Nozzles (none of which are shown) and the like are provided.
- the package substrate P1 is imaged by the first position confirmation camera 5d, and the position of the package substrate P1 is confirmed.
- Confirmation using the first position confirmation camera 5d is, for example, confirmation of the position of a mark provided on the package substrate P1.
- the mark indicates, for example, the cutting position of the package substrate P1.
- the cutting table 5 moves toward the spindle section 6 along the Y-axis in the figure.
- the package substrate P1 is cut by relatively moving the cutting table 5 and the spindle section 6.
- FIG. After that, the package substrate P1 is imaged by the second position confirmation camera 6b as necessary, and the position and the like of the package substrate P1 are confirmed. Confirmation using the second position confirmation camera 6b is, for example, confirmation of the cutting position and cutting width of the package substrate P1.
- the second position confirmation camera 6b is also used for dressing the blade 6a. Details will be described later.
- the cutting table 5 moves away from the spindle section 6 along the Y-axis in the drawing while sucking the plurality of individualized electronic components S1.
- the first cleaner 5e cleans and dries the upper surface (ball/lead surface) of the electronic component S1.
- the transport unit 7 sucks the electronic component S1 held on the cutting table 5 from above and transports the electronic component S1 to the inspection table 11 of the inspection/storage module B1. During this transfer process, the second cleaner 7a cleans and dries the lower surface (mold surface) of the electronic component S1.
- the inspection/storage module B1 mainly includes an inspection table 11, a first optical inspection camera 12, a second optical inspection camera 13, an arrangement section 14, and an extraction section 15. Note that the first optical inspection camera 12 may be provided in the cutting module A1.
- the inspection table 11 holds the electronic component S1 for optical inspection of the electronic component S1.
- the inspection table 11 is movable along the X-axis of the figure. Also, the inspection table 11 can be turned upside down.
- the inspection table 11 is provided with a holding member that holds the electronic component S1 by sucking the electronic component S1.
- the first optical inspection camera 12 and the second optical inspection camera 13 capture images of both surfaces (ball/lead surface and mold surface) of the electronic component S1. Based on the image data generated by the first optical inspection camera 12 and the second optical inspection camera 13, various inspections of the electronic component S1 are performed. Each of the first optical inspection camera 12 and the second optical inspection camera 13 is arranged in the vicinity of the inspection table 11 so as to capture an upper image.
- the first optical inspection camera 12 images the mold surface of the electronic component S1 transported to the inspection table 11 by the transport unit 7. After that, the transport unit 7 places the electronic component S ⁇ b>1 on the holding member of the inspection table 11 . After the holding member sucks the electronic component S1, the inspection table 11 is turned upside down. The inspection table 11 moves above the second optical inspection camera 13 and the ball/lead surface of the electronic component S1 is imaged by the second optical inspection camera 13 .
- An inspected electronic component S1 is placed in the placement section 14.
- the placement unit 14 is movable along the Y-axis of the figure.
- the inspection table 11 arranges the inspected electronic component S ⁇ b>1 in the arrangement section 14 .
- the extraction unit 15 transfers the electronic component S1 placed in the placement unit 14 to a tray.
- the electronic parts S1 are sorted into “non-defective products” or “defective products” based on the results of inspection using the first optical inspection camera 12 and the second optical inspection camera 13 .
- the extraction unit 15 transfers each electronic component S1 to the non-defective product tray 15a or the defective product tray 15b based on the sorting result. Namely, non-defective products are stored in the non-defective product tray 15a, and defective products are stored in the defective product tray 15b. When each of the non-defective product tray 15a and the defective product tray 15b is filled with electronic components S1, it is replaced with a new tray.
- the cutting device 1 further includes a computer 50 and a monitor 20.
- Monitor 20 is configured to display an image.
- the monitor 20 is, for example, a display device such as a liquid crystal monitor or an organic EL (Electro Luminescence) monitor.
- the computer 50 controls each part of the cutting module A1 and the inspection/storage module B1.
- the computer 50 includes, for example, the substrate supply unit 3, the positioning unit 4, the cutting table 5, the spindle unit 6, the transport unit 7, the inspection table 11, the first optical inspection camera 12, the second optical inspection camera 13, the placement unit 14, the extraction It controls the unit 15 and the monitor 20 .
- FIG. 4 is a diagram schematically showing the hardware configuration of the computer 50.
- the computer 50 includes a control unit 70, an input/output I/F (interface) 90, a reception unit 95, and a storage unit 80. Each component is electrically connected via a bus. It is connected to the.
- the control unit 70 includes a CPU (Central Processing Unit) 72, a RAM (Random Access Memory) 74, a ROM (Read Only Memory) 76, and the like.
- the control unit 70 is configured to control each component in the computer 50 and each component in the cutting apparatus 1 according to information processing.
- the input/output I/F 90 is configured to communicate with each component included in the cutting device 1 via signal lines.
- the input/output I/F 90 is used for transmitting data from the computer 50 to each component within the cutting device 1 and for receiving data transmitted from each component within the cutting device 1 to the computer 50 .
- the receiving unit 95 is configured to receive instructions from the user.
- the reception unit 95 is composed of, for example, a part or all of a touch panel, keyboard, mouse, and microphone.
- the storage unit 80 is, for example, an auxiliary storage device such as a hard disk drive or solid state drive.
- the storage unit 80 is configured to store a control program 81, for example.
- Various operations in the cutting apparatus 1 are realized by the control program 81 being executed by the control unit 70 .
- the control program 81 is developed in the RAM 74 .
- the control unit 70 controls each component by having the CPU 72 interpret and execute the control program 81 developed in the RAM 74 .
- FIG. 5 is a diagram schematically showing a plan view of an example of the dress board 8 that has been used for dressing several times. As shown in FIG. 5, the dress board 8 is already provided with a plurality of cut lines CL1. Each cut line CL1 is a groove formed by cutting the dress board 8 with the blade 6a during dressing. Dressing of the blade 6a must be performed in an area of the dress board 8 where the cut line CL1 is not formed (hereinafter also referred to as "unused area").
- the unused area is automatically detected, and the dressing start position on the dress board 8 is automatically determined based on the detection result. Therefore, according to the cutting device 1, the operator does not need to manually adjust the relative positions of the blade 6a and the dressing board 8, so that the blade 6a can be efficiently dressed.
- the detection of the unused area is performed by using the second position confirmation camera 6b provided in the spindle section 6.
- the second position confirmation camera 6b is configured to move relative to the dress board 8 and to image a partial area of the dress board 8.
- the storage unit 80 stores in advance the position information of the area (detection area) of the dress board 8 that is imaged by the second position confirmation camera 6b before starting dressing.
- position information of 13 detection areas is stored in the storage unit 80.
- FIG. Note that the number of detection areas is not limited to this.
- the unused area is detected based on the image captured by the second position confirmation camera 6b.
- FIG. 6 is a diagram for explaining each detection area. As shown in FIG. 6, as detection areas in the dress board 8, first detection areas D11-D13 and second detection areas D21-D25 and D31-D35 are provided. Position information of each detection area is stored in the storage unit 80 .
- the first detection areas D11-D13 and the second detection areas D21-D25 and D31-D35 is positioned linearly on the diagonal line of the dress board 8.
- the first detection area D11 is a detection area of the dress board 8 located at the lower left in the figure.
- the first detection area D12 is a detection area located in the center of the dress board 8 in the figure.
- the first detection area D13 is a detection area located on the upper right side of the dress board 8 in the figure.
- first detection areas D11-D13 the first detection area D11 and the first detection area D12 adjacent to each other are separated from each other with the second detection areas D21-D25 interposed therebetween.
- first detection areas D11-D13 the first detection area D12 and the first detection area D13 that are adjacent to each other are separated from each other with the second detection areas D31-D35 interposed therebetween.
- Each detection area is arranged so as not to overlap as much as possible. In this example, the first detection area D12 overlaps each of the second detection areas D25 and D31, but the detection areas do not overlap in other portions.
- each detection area (including the first detection area and the second detection area) is sequentially detected from the lower left detection area (first detection area D11) of the dress board 8 toward the upper right detection area (first detection area D13).
- first detection area D11 the lower left detection area
- first detection area D13 the upper right detection area
- the presence or absence of the cutline CL1 at is determined. If the presence or absence of the cutline CL1 in each detection area is determined by such a procedure, it takes a long time to detect the unused area when the unused area exists only above the dress board 8, for example.
- the cutting device 1 first, a captured image of each of the first detection areas D11 to D13 is acquired, and the presence or absence of the cut line CL1 in each of the first detection areas D11 to D13 is determined based on the captured image of each first detection area. determined by Then, based on the presence/absence of the cutline CL1 in each of the first detection areas D11-D13, it is determined whether or not it is necessary to determine the presence/absence of the cutline CL1 in the second detection areas D21-D25 and D31-D35. Therefore, according to this cutting device 1, first, by determining whether or not there is a cut line CL1 in each of the plurality of first detection areas, it is predicted where on the dress board 8 there is an unused area. Since areas where there is a high possibility that a used area exists are examined in more detail, it is possible to efficiently detect unused areas. A software configuration for realizing such functions will be described below.
- FIG. 7 is a diagram schematically showing the software configuration for realizing automatic detection of unused areas. Referring to FIG. 7, for example, by executing a control program 81 in a computer 50, an acquisition unit 51, a determination unit 52, a determination unit 53, a camera control unit 54, a spindle control unit 55, and a monitor control unit 56 are realized.
- the acquisition unit 51 is configured, for example, to acquire captured images of each of the first detection areas D11, D12, and D13 from the second position confirmation camera 6b. Based on the captured image acquired by the acquisition unit 51, the determination unit 52 determines the presence or absence of the cutline CL1 in each of the first detection areas D11, D12, and D13.
- the determination unit 52 further determines whether the direction (orientation) of the cutline CL1 is correct.
- the cut line CL1 extending in the horizontal direction of the dress board 8 is the cut line CL1 extending in the correct direction.
- each of the first detection areas D11, D12, D13 is provided on the diagonal line of the dress board 8, so it can be determined whether or not the direction of the cut line CL1 is correct.
- the first detection areas D11, D12, and D13 are provided at the lower center, center, and upper center of the dress board 8, respectively.
- the cut line CL1 extending vertically on the left side of the dress board 8 cannot be detected.
- the first detection areas D11, D12, D13 are each provided on the diagonal line of the dress board 8, such vertically extending cut line CL1 can be detected.
- the determination unit 53 instructs each of the camera control unit 54, the spindle unit control unit 55, and the monitor control unit 56 based on the determination result of the determination unit 52.
- the camera control unit 54, the spindle unit control unit 55, and the monitor control unit 56 control the second position confirmation camera 6b, the spindle unit 6, etc., and the monitor 20, respectively, according to instructions.
- a description will be given of what kind of determination is made by the determination unit 53 according to the determination pattern by the determination unit 52.
- FIG. 8 is a diagram schematically showing an example of a dress board 8 without unused areas.
- cut lines CL1 are formed in each of the first detection areas D11, D12, D13.
- the determining unit 53 determines not to determine whether or not there is a cutline CL1 in each second detection area. Then, the determination unit 53 instructs the monitor control unit 56 to display a message prompting replacement of the dress board 8 on the monitor 20 .
- FIG. 9 is a diagram schematically showing an example of a dress board 8 having an unused area above it.
- the cut line CL1 is formed in each of the first detection areas D11 and D12, while the cut line CL1 is not formed in the first detection area D13.
- the determination unit 53 sequentially determines the presence or absence of the cutline CL1 from the second detection area D31 toward the second detection area D35 (FIG. 6). decide to judge
- the determination unit 53 determines not to determine the presence or absence of the cutline CL1 in the second detection areas D21 to D25. . In addition, since the determination unit 53 determines that the cutline CL1 exists in the first detection area D12 and determines that the cutline CL1 does not exist in the first detection area D13, It is determined to determine the presence or absence of the cutline CL1 in the second detection areas D31-D35 sandwiched by D13.
- the determination unit 53 instructs the control unit 55 such as the spindle unit to relatively move the second position confirmation camera 6b sequentially from the second detection area D31 toward the second detection area D35.
- the spindle section control section 55 controls the positions of the cutting table 5 and the spindle section 6 according to instructions, for example.
- the determination unit 53 further instructs the camera control unit 54 to cause the second position confirmation camera 6b to capture images in order from the second detection area D31 toward the second detection area D35.
- the second detection area is detected in the middle. detection ends. Thereby, the dressing of the blade 6a can be started earlier.
- the sufficiently wide unused area is, for example, an unused area having a size necessary for dressing the blade 6a.
- the size of the unused area required for forming that number of cut lines CL1 is the size of the unused area required for dressing.
- FIG. 10 is a diagram schematically showing an example of a dress board 8 having unused areas in more than half of the area including the upper part.
- the cut line CL1 is formed in the first detection area D11, while the cut line CL1 is not formed in each of the first detection areas D12 and D13.
- the determination unit 53 sequentially determines the presence or absence of the cutline CL1 from the second detection area D21 toward the second detection area D25. decide to judge
- the determination unit 53 determines not to determine the presence or absence of the cutline CL1 in the second detection areas D31 to D35. do. In addition, since the determining unit 53 determines that the cutline CL1 exists in the first detection area D11 and determines that the cutline CL1 does not exist in the first detection area D12, It is determined to determine the presence or absence of the cutline CL1 in the second detection areas D21-D25 sandwiched by D12.
- the determination unit 53 instructs the control unit 55 such as the spindle unit to relatively move the second position confirmation camera 6b sequentially from the second detection area D21 toward the second detection area D25.
- the spindle section control section 55 controls the positions of the cutting table 5 and the spindle section 6 according to instructions, for example.
- the determination unit 53 further instructs the camera control unit 54 to cause the second position confirmation camera 6b to capture images in order from the second detection area D21 toward the second detection area D25. For example, when the unused area is detected in order from the second detection area D21 to the second detection area D25, if a sufficiently large unused area is detected in the middle, the second detection area is detected in the middle. detection ends.
- FIG. 11 is a diagram schematically showing an example of a dress board 8 having an unused area below it.
- the cut line CL1 is not formed in the first detection area D11, but the cut line CL1 is formed in each of the first detection areas D12 and D13.
- the determination unit 53 sequentially determines the presence or absence of the cutline CL1 from the second detection area D21 toward the second detection area D25. to decide.
- the determination unit 53 determines not to determine the presence or absence of the cutline CL1 in the second detection areas D31 to D35. . In addition, since it is determined that the cutline CL1 does not exist in the first detection area D11 and that the cutline CL1 exists in the first detection area D12, the determining unit 53 determines that the adjacent first detection areas D11, It is determined to determine the presence or absence of the cutline CL1 in the second detection areas D21-D25 sandwiched by D12.
- the determination unit 53 instructs the control unit 55 such as the spindle unit to relatively move the second position confirmation camera 6b sequentially from the second detection area D21 toward the second detection area D25.
- the spindle section control section 55 controls the positions of the cutting table 5 and the spindle section 6 according to instructions, for example.
- the determination unit 53 further instructs the camera control unit 54 to cause the second position confirmation camera 6b to capture images in order from the second detection area D21 toward the second detection area D25. For example, when the unused area is detected in order from the second detection area D21 to the second detection area D25, if a sufficiently large unused area is detected in the middle, the second detection area is detected in the middle. detection ends.
- FIG. 12 is a diagram schematically showing an example of a dress board 8 having unused areas on each of the upper and lower sides.
- the cut line CL1 is not formed in each of the first detection areas D11 and D13, but the cut line CL1 is formed in the first detection area D12.
- the determining unit 53 first determines the cut line CL1 from the second detection area D21 toward the second detection area D25. decision to determine the presence or absence of
- the determination unit 53 instructs the control unit 55 such as the spindle unit to relatively move the second position confirmation camera 6b sequentially from the second detection area D21 toward the second detection area D25.
- the spindle section control section 55 controls the positions of the cutting table 5 and the spindle section 6 according to instructions, for example.
- the determination unit 53 further instructs the camera control unit 54 to cause the second position confirmation camera 6b to capture images in order from the second detection area D21 toward the second detection area D25.
- the determination unit 53 moves from the second detection area D31 to the second detection area D35. It is determined that the presence or absence of the cutline CL1 is determined in order.
- the determination unit 53 instructs the control unit 55 such as the spindle unit to relatively move the second position confirmation camera 6b sequentially from the second detection area D31 toward the second detection area D35.
- the spindle section control section 55 controls the positions of the cutting table 5 and the spindle section 6 according to instructions, for example.
- the determination unit 53 further instructs the camera control unit 54 to cause the second position confirmation camera 6b to capture images in order from the second detection area D31 toward the second detection area D35. For example, when detecting unused areas in order from the second detection area D31 to the second detection area D35, if a sufficiently large unused area is detected in the middle, the second detection area is detected in the middle. detection ends.
- FIG. 13 is a diagram schematically showing an example of a new dress board 8.
- FIG. 13 in the dress board 8, the cut line CL1 is not formed in each of the first detection areas D11-D13.
- the determination unit 53 determines not to determine the presence or absence of the cutline CL1 in each second detection area. Then, the determination unit 53 determines the first detection area D11 of the dress board 8 as the dressing start position of the blade 6a.
- FIG. 14 is a flow chart showing a preparation procedure for dressing the blade 6a. The process shown in this flowchart is executed by the control unit 70 after the user sets the number of cutlines CL1 to be formed during dressing and the user issues an instruction to start dressing.
- control unit 70 controls first detection area D11 (FIG. 6) of dress board 8 attached to dress board holding portion 5a2 so that second position confirmation camera 6b can image first detection area D11 (FIG. 6). It controls the relative position of the two-position confirmation camera 6b.
- the control section 70 controls the relative position of the second position confirmation camera 6b by controlling the positions of the cutting table 5 and the spindle section 6, respectively. Then, the control unit 70 controls the second position confirmation camera 6b so as to capture an image of the first detection area D11 (step S100).
- the control unit 70 controls the relative position of the second position confirmation camera 6b so that the second position confirmation camera 6b can capture an image of the first detection area D12.
- the control unit 70 controls the second position confirmation camera 6b to capture an image of the first detection area D12 (step S110).
- the control unit 70 controls the relative position of the second position confirmation camera 6b so that the second position confirmation camera 6b can image the first detection area D13.
- the control unit 70 controls the second position confirmation camera 6b to capture an image of the first detection area D13 (step S120).
- the control unit 70 executes processing based on imaging results in each of the first detection areas D11, D12, and D13 (step S130). The processing in step S130 will be described later in detail.
- the control unit 70 determines whether or not the start position of the dress cut (dressing) has been determined as a result of the processing in step S130 (step S140).
- step S140 If it is determined that the start position of the dress cut has been determined (YES in step S140), the control unit 70 controls the spindle unit 6 to start the dress cut from the determined start position (step S150). On the other hand, if it is determined that the start position of the dress cut has not been determined (NO in step S140), the control unit 70 outputs a message prompting the user to replace the dress board 8 (notifying the user to adjust the direction of the dress board 8). including a prompting message) (step S160).
- FIG. 15 is a flow chart showing the process executed in step S130 of FIG. Referring to FIG. 15, control unit 70 determines whether or not cutline CL1 is detected in any one of first detection areas D11, D12, and D13 (step S200).
- step S200 When it is determined that the cutline CL1 is not detected in any of the first detection areas D11, D12, D13 (NO in step S200), the process proceeds to step S220. On the other hand, when it is determined that the cutline CL1 has been detected in any one of the first detection areas D11, D12, and D13 (YES in step S200), the control unit 70 detects the image captured by the second position confirmation camera 6b. , it is determined whether or not the direction of the detected cutline CL1 is correct (step S210).
- step S210 When it is determined that the direction of the cut line CL1 is correct (YES in step S210), the control unit 70 executes the dress cut position determination process (step S220). The processing in step S220 will be described later in detail. On the other hand, when it is determined that the direction of the cutline CL1 is not correct (NO in step S210), the control unit 70 determines to display on the monitor 20 a message prompting the user to adjust the direction of the dress board 8. The processing shown in the flowchart ends.
- FIG. 16 is a flow chart showing the process executed in step S220 of FIG. Referring to FIG. 16, control unit 70 determines whether cutline CL1 is formed in first detection area D11 based on the captured image in first detection area D11 (step S300).
- the control unit 70 cuts to the first detection area D12 based on the captured image in the first detection area D12. It is determined whether or not the line CL1 is formed (step S305). When it is determined that the cut line CL1 is formed in the first detection area D12 (YES in step S305), the control unit 70 cuts to the first detection area D13 based on the captured image in the first detection area D13. It is determined whether or not the line CL1 is formed (step S310). When it is determined that the cut line CL1 is formed in the first detection area D13 (YES in step S310), the control unit 70 determines to display on the monitor 20 a message prompting the user to replace the dress board 8. (step S315).
- step S310 When it is determined in step S310 that the cutline CL1 is not formed in the first detection area D13 (NO in step S310), the control unit 70 controls the second detection area D31 to the second detection area D35 (FIG. 6). , the cutline CL1 is detected (step S320). That is, the control unit 70 detects the unused area from the second detection area D31 toward the second detection area D35. For example, this unused area detection ends when an unused area of the required size is detected. When the unused area of the required size is detected, the control section 70 determines the dress cut start position in the unused area (step S325).
- step S305 When it is determined in step S305 that the cutline CL1 is not formed in the first detection area D12 (NO in step S305), the control unit 70 moves from the second detection area D21 toward the second detection area D25. A used area is detected (step S330). For example, this unused area detection ends when an unused area of the required size is detected. When the unused area of the required size is detected, the control section 70 determines the dress cut start position in the unused area (step S325).
- step S300 When it is determined in step S300 that the cutline CL1 is not formed in the first detection area D11 (NO in step S300), the control unit 70 determines whether the cutline CL1 is formed in the first detection area D12. is determined (step S335). When it is determined that the cut line CL1 is not formed in the first detection area D12 (NO in step S335), the control unit 70 determines the first detection area D11 as the dress cut start position (step S340).
- step S335 When it is determined in step S335 that the cutline CL1 is formed in the first detection area D12 (YES in step S335), the control unit 70 determines whether the cutline CL1 is formed in the first detection area D13. is determined (step S345). When it is determined that the cutline CL1 is formed in the first detection area D13 (YES in step S345), the control unit 70 detects an unused area from the second detection area D21 toward the second detection area D25. (step S350). For example, this unused area detection ends when an unused area of the required size is detected. When the unused area of the required size is detected, the control section 70 determines the dress cut start position in the unused area (step S325).
- step S345 When it is determined in step S345 that the cutline CL1 is not formed in the first detection area D13 (NO in step S345), the control unit 70 executes processing for detecting the cutline CL1 (step S355). That is, the control unit 70 executes the unused area detection process.
- FIG. 17 is a flow chart showing the process executed in step S355 of FIG.
- control unit 70 detects an unused area from second detection area D21 toward second detection area D25 (step S400). The control unit 70 determines whether or not an unused area of the required size has been detected (step S410). If it is determined that an unused area of the required size has been detected (YES in step S410), control unit 70 determines the dress cut start position in the unused area (step S420).
- control unit 70 moves from second detection area D31 toward second detection area D35. An unused area is detected (step S430). The control unit 70 determines whether or not an unused area of the required size has been detected (step S440). If it is determined that an unused area of the required size has been detected (YES in step S440), control unit 70 determines the dress cut start position in the unused area (step S420). On the other hand, if it is determined that an unused area of the required size has not been detected (NO in step S440), control unit 70 determines to display on monitor 20 a message prompting the user to replace dress board 8. Then, the processing shown in this flowchart ends.
- the control unit 70 controls the second position confirmation camera 6b so as to sequentially capture images of the first detection areas D11, D12, and D13, and controls the second position confirmation camera 6b.
- the presence or absence of the cutline CL1 in each of the first detection areas D11, D12, and D13 is determined based on the results of imaging by the camera 6b.
- the control unit 70 determines whether or not it is necessary to determine the presence or absence of the cutline CL1 in the second detection areas D21-D25, D31-D35 based on the presence or absence of the cutline CL1 in each of the first detection areas D11, D12, D13. decide.
- this cutting apparatus 1 first, by determining the presence or absence of the cut line CL1 in each of the plurality of first detection areas, it is predicted where the unused area exists on the dress board 8, and the unused area is estimated. Since the areas in which there is a high possibility of existing are examined in more detail, the detection of unused areas can be performed efficiently.
- the cutting device 1 is an example of the "cutting device” in the present invention.
- the blade 6a is an example of the "blade” in the present invention
- the package substrate P1 is an example of the "cutting object” in the present invention.
- the dress board 8 is an example of the "dress board” in the present invention.
- the second position confirmation camera 6b is an example of the "imaging section” in the present invention.
- the controller 70 is an example of the “controller” in the present invention.
- Each of the first detection areas D11, D12, D13 is an example of the "first area” in the present invention
- each of the second detection areas D21-D25, D31-D35 is an example of the "second area” of the present invention. be.
- the monitor 20 is an example of the "display section” in the present invention.
- the electronic component S1 is an example of a "cut product" in the present invention.
- the positions of the cutting table 5 and the spindle section 6 are controlled in order to control the relative positions of the second position confirmation camera 6b and the dress board 8.
- the relative position between the second position confirmation camera 6b and the dress board 8 may be controlled by controlling the position of either one of the cutting table 5 and the spindle section 6.
- the dress board 8 is attached to the dedicated dress board holding portion 5a2.
- the mounting position of the dress board 8 is not limited to this.
- the dress board 8 may be attached to the holding member body portion 5a1 during dressing of the blade 6a.
- a dedicated attachment jig may be used to improve the positional accuracy of the dress board 8 in the holding member main body portion 5a1.
- the detection of unused areas in the second detection areas D21-D25 and D31-D35 ends when an unused area of the required size is detected.
- the detection of unused areas in the second detection areas D21-D25 and D31-D35 does not necessarily have to end when an unused area of the required size is detected.
- the unused areas are detected in all of the second detection areas D21-D25 regardless of whether or not an unused area of the required size is detected. may be done.
- the unused areas in the second detection areas D31-D35 regardless of whether or not an unused area of the required size is detected, the unused areas can be detected in all of the second detection areas D21-D25. may be done.
- the user sets the number of cut lines CL1 formed on the dress board 8 in the dress cut.
- the number of cut lines CL1 formed on the dress board 8 in the dress cut does not necessarily have to be set by the user.
- the number of cut lines CL1 formed on the dress board 8 in the dress cut may be automatically determined by the computer 50, for example.
- the cutting device 1 may further include a replacement mechanism for automatically replacing the dress board 8 held by the dress board holding portion 5a2.
- the control section 70 may transmit a control signal for exchanging the dress board 8 held by the dress board holding section 5a2 to the exchange mechanism.
- the dress board 8 held by the dress board holding portion 5a2 is automatically replaced by the replacement mechanism.
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Abstract
Description
<1-1.切断装置の全体構成>
図1は、本実施の形態に従う切断装置1を模式的に示す平面図である。切断装置1は、パッケージ基板(切断対象物)を切断することによって、該パッケージ基板を複数の電子部品(パッケージ部品)に個片化するように構成されている。パッケージ基板においては、半導体チップが装着された基板又はリードフレームが樹脂封止されている。
図4は、コンピュータ50のハードウェア構成を模式的に示す図である。図4に示されるように、コンピュータ50は、制御部70と、入出力I/F(interface)90と、受付部95と、記憶部80とを含み、各構成は、バスを介して電気的に接続されている。
上述のように、切断装置1においては、ブレード6aのドレッシングが行なわれる。ブレード6aのドレッシングにおいては、常に新品のドレスボード8が使用されるわけではない。例えば、既に何度かドレッシングに使用されたドレスボード8が、ドレッシングに使用される場合もある。
図14は、ブレード6aのドレッシングの準備手順を示すフローチャートである。このフローチャートに示される処理は、例えば、ドレッシング時に形成するカットラインCL1の本数がユーザによって設定され、ドレッシングの開始指示がユーザによって行なわれた後に制御部70によって実行される。
以上のように、本実施の形態に従う切断装置1において、制御部70は、第1検出エリアD11,D12,D13を順に撮像するように第2位置確認カメラ6bを制御すると共に、第2位置確認カメラ6bによる撮像結果に基づいて、第1検出エリアD11,D12,D13の各々におけるカットラインCL1の有無を判定する。そして、制御部70は、第1検出エリアD11,D12,D13の各々におけるカットラインCL1の有無に基づいて、第2検出エリアD21-D25,D31-D35におけるカットラインCL1の有無の判定要否を決定する。この切断装置1によれば、まず、複数の第1検出エリアの各々におけるカットラインCL1の有無を判定することによってドレスボード8のどのあたりに未使用領域が存在するかが予測され、未使用領域が存在する可能性の高い領域がより詳細に調べられるため、未使用領域の検出を効率的に行なうことができる。
上記実施の形態の思想は、以上で説明された実施の形態に限定されない。以下、上記実施の形態の思想を適用できる他の実施の形態の一例について説明する。
上記実施の形態においては、第2位置確認カメラ6bとドレスボード8との相対位置を制御するために、切断テーブル5及びスピンドル部6の各々の位置が制御された。しかしながら、切断テーブル5及びスピンドル部6のいずれか一方の位置を制御することによって、第2位置確認カメラ6bとドレスボード8との相対位置が制御されてもよい。
また、上記実施の形態においては、ドレスボード8が専用のドレスボード保持部5a2に取り付けられた。しかしながら、ドレスボード8の取り付け位置はこれに限定されない。例えば、ドレスボード8は、ブレード6aのドレッシング時に保持部材本体部5a1に取り付けられてもよい。また、この場合に、保持部材本体部5a1におけるドレスボード8の位置精度を向上させるために、専用の取付け治具が用いられてもよい。
また、上記実施の形態においては、第2検出エリアD21-D25,D31-D35における未使用領域の検出が、必要な広さの未使用領域が検出されるのに応じて終了した。しかしながら、第2検出エリアD21-D25,D31-D35における未使用領域の検出は、必ずしも必要な広さの未使用領域が検出されるのに応じて終了しなくてもよい。例えば、第2検出エリアD21-D25における未使用領域の検出時に、必要な広さの未使用領域が検出されたか否かに拘わらず第2検出エリアD21-D25の全てで未使用領域の検出が行なわれてもよい。また、第2検出エリアD31-D35における未使用領域の検出時に、必要な広さの未使用領域が検出されたか否かに拘わらず第2検出エリアD21-D25の全てで未使用領域の検出が行なわれてもよい。
また、第1検出エリアD11,D13においてカットラインCL1が検出されず、第1検出エリアD12においてのみカットラインCL1が検出された場合に(図12)、ドレスボード8に異常が生じていると判定されてもよい。この場合には、例えば、ドレスボード8の交換をユーザに促すメッセージがモニタ20に表示されてもよい。
また、上記実施の形態においては、ドレスカットにおいてドレスボード8に形成されるカットラインCL1の本数がユーザによって設定されることとした。しかしながら、ドレスカットにおいてドレスボード8に形成されるカットラインCL1の本数は、必ずしもユーザによって設定されなくてもよい。ドレスカットにおいてドレスボード8に形成されるカットラインCL1の本数は、例えば、コンピュータ50によって自動的に決定されてもよい。
Claims (10)
- ブレードによって切断対象物を切断するように構成された切断装置であって、
前記ブレードのドレッシングは、ドレスボードを用いることによって行なわれ、
前記切断装置は、
前記ドレスボードに対して相対的に移動すると共に、前記ドレスボードの一部の領域を撮像するように構成された撮像部と、
前記ドレスボードの複数の第1領域を順に撮像するように前記撮像部を制御すると共に、前記撮像部による撮像結果に基づいて、前記複数の第1領域の各々におけるカットラインの有無を判定するように構成された制御部とを備え、
前記複数の第1領域のうちの互いに隣り合う2つの第1領域は、互いに第2領域を挟んで離れており、
前記制御部は、前記複数の第1領域の各々における前記カットラインの有無に基づいて、前記第2領域における前記カットラインの有無の判定要否を決定する、切断装置。 - 前記制御部は、前記複数の第1領域の各々において前記カットラインが存在すると判定された場合に、前記第2領域における前記カットラインの有無を判定しない、請求項1に記載の切断装置。
- 前記制御部は、前記複数の第1領域の各々において前記カットラインが存在しないと判定された場合に、前記第2領域における前記カットラインの有無を判定しない、請求項1又は請求項2に記載の切断装置。
- 前記制御部は、前記互いに隣り合う2つの第1領域の各々において前記カットラインが存在すると判定された場合に、前記互いに隣り合う2つの第1領域によって挟まれた前記第2領域における前記カットラインの有無を判定しない、請求項1から請求項3のいずれか1項に記載の切断装置。
- 前記制御部は、前記互いに隣り合う2つの第1領域の各々において前記カットラインが存在しないと判定された場合に、前記互いに隣り合う2つの第1領域によって挟まれた前記第2領域における前記カットラインの有無を判定しない、請求項1から請求項4のいずれか1項に記載の切断装置。
- 前記制御部は、前記互いに隣り合う2つの第1領域の一方の第1領域において前記カットラインが存在すると判定され、かつ、前記互いに隣り合う2つの第1領域の他方の第1領域において前記カットラインが存在しないと判定された場合に、前記互いに隣り合う2つの第1領域によって挟まれた前記第2領域における前記カットラインの有無を判定する、請求項1から請求項5のいずれか1項に記載の切断装置。
- 前記第2領域における前記カットラインの有無の判定は、前記カットラインの存在しない所定広さの領域が検出されるのに応じて終了し、
前記所定広さは、前記ブレードのドレッシングに必要な広さである、請求項6に記載の切断装置。 - 平面視における前記ドレスボードの形状は矩形状であり、
前記複数の第1領域の各々は、前記ドレスボードの対角線上に位置する、請求項1から請求項7のいずれか1項に記載の切断装置。 - 画像を表示するように構成された表示部をさらに備え、
前記制御部は、前記複数の第1領域の各々における前記カットラインの方向が正しいか否かを判定し、前記方向が正しくないと判定された場合にメッセージを表示するように前記表示部を制御する、請求項8に記載の切断装置。 - 請求項1から請求項9のいずれか1項に記載の切断装置を用いた切断品の製造方法であって、
前記カットラインが存在しないと前記制御部によって判定された前記ドレスボードの領域で前記ブレードのドレッシングを行なうステップと、
ドレッシングされた前記ブレードによって前記切断対象物を切断するステップとを含む、切断品の製造方法。
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JP2015164750A (ja) * | 2014-03-03 | 2015-09-17 | 株式会社ディスコ | サブチャックテーブルの原点位置検出方法 |
JP2016203352A (ja) * | 2015-04-28 | 2016-12-08 | 株式会社ディスコ | セットアップ方法 |
JP2017168575A (ja) * | 2016-03-15 | 2017-09-21 | 株式会社ディスコ | 被加工物の切削方法 |
JP2021013984A (ja) * | 2019-07-11 | 2021-02-12 | 株式会社ディスコ | ドレス方法 |
JP2021142616A (ja) * | 2020-03-12 | 2021-09-24 | 株式会社ディスコ | ブレード整形方法、加工方法及び切削ブレード |
-
2021
- 2021-10-12 JP JP2021167200A patent/JP7121846B1/ja active Active
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2022
- 2022-06-03 WO PCT/JP2022/022616 patent/WO2023062866A1/ja active Application Filing
- 2022-06-03 KR KR1020247004592A patent/KR20240027135A/ko unknown
- 2022-06-03 CN CN202280051271.2A patent/CN117677468A/zh active Pending
- 2022-09-07 TW TW111133855A patent/TWI822312B/zh active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011009652A (ja) * | 2009-06-29 | 2011-01-13 | Disco Abrasive Syst Ltd | 切削装置における切削ブレードの位置検出方法 |
JP2013022713A (ja) * | 2011-07-25 | 2013-02-04 | Disco Corp | 切削装置 |
JP2014135424A (ja) * | 2013-01-11 | 2014-07-24 | Disco Abrasive Syst Ltd | ウエーハ切断方法 |
JP2015164750A (ja) * | 2014-03-03 | 2015-09-17 | 株式会社ディスコ | サブチャックテーブルの原点位置検出方法 |
JP2016203352A (ja) * | 2015-04-28 | 2016-12-08 | 株式会社ディスコ | セットアップ方法 |
JP2017168575A (ja) * | 2016-03-15 | 2017-09-21 | 株式会社ディスコ | 被加工物の切削方法 |
JP2021013984A (ja) * | 2019-07-11 | 2021-02-12 | 株式会社ディスコ | ドレス方法 |
JP2021142616A (ja) * | 2020-03-12 | 2021-09-24 | 株式会社ディスコ | ブレード整形方法、加工方法及び切削ブレード |
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TW202315711A (zh) | 2023-04-16 |
KR20240027135A (ko) | 2024-02-29 |
JP7121846B1 (ja) | 2022-08-18 |
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