WO2023112464A1 - 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
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- WO2023112464A1 WO2023112464A1 PCT/JP2022/038572 JP2022038572W WO2023112464A1 WO 2023112464 A1 WO2023112464 A1 WO 2023112464A1 JP 2022038572 W JP2022038572 W JP 2022038572W WO 2023112464 A1 WO2023112464 A1 WO 2023112464A1
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- Prior art keywords
- tank
- water
- cutting
- state
- discharge mechanism
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- 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
- B28D1/24—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 with cutting discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
Definitions
- the present invention relates to a cutting device and a method for manufacturing a cut product.
- Patent Document 1 discloses a cutting device for cutting a workpiece.
- This cutting apparatus is provided with a suction unit that suctions and holds the workpiece.
- the suction unit has a chuck table, and the workpiece is suction-held by the chuck table.
- a suction pump is connected to the suction unit.
- a water-sealed vacuum pump is used as a suction pump, in which the suction force does not decrease even when water is sucked (see Patent Document 1).
- Patent Document 1 does not disclose means for solving such problems.
- the present invention has been made to solve such problems, and an object of the present invention is to provide a cutting apparatus using a dry vacuum pump and a method for manufacturing a cut product, in which an object to be cut is kept adsorbed. Another object is to suppress the intrusion of water into the vacuum pump.
- a cutting device includes a table, a cutting mechanism, a holding mechanism, and a water separation and discharge mechanism.
- the table holds the cutting object by sucking the cutting object.
- the cutting mechanism separates the cutting object by cutting the cutting object on the table.
- the holding mechanism holds the cut object by sucking the singulated cut object.
- the table or holding mechanism is connected to a dry vacuum pump through a suction path.
- a water separation and discharge mechanism is located on the suction path and discharges water through the drainage path.
- the water separation and discharge mechanism includes a first tank and a second tank. The second tank is located downstream of the first tank in the drainage path.
- the first tank includes a partition plate that separates a region where the connection port to the vacuum pump is located and a region where the connection port to the table or the holding mechanism is located. A gap is formed above the partition plate in the first tank.
- the water separation and discharge mechanism further includes a valve mechanism. The valve mechanism has a first state in which water flowing from the first tank to the second tank is stored in the second tank, and a second state in which water is stored in the first tank and the water stored in the second tank is discharged. change the state.
- a method for manufacturing a cut product according to another aspect of the present invention uses the above cutting device.
- This cut product manufacturing method includes the step of individualizing the cut object by cutting the cut object on the table with a cutting mechanism.
- the present invention in a cutting apparatus using a dry-type vacuum pump and a method for manufacturing a cut product, it is possible to prevent water from entering the vacuum pump while maintaining adsorption of the object to be cut.
- FIG. 4 is a diagram schematically showing the first water separation/discharge mechanism in the first state
- FIG. 5 is a diagram schematically showing the first water separation/discharge mechanism in a second state
- FIG. 5 is a figure which shows typically the plane of a 1st tank.
- FIG. 5 is a diagram schematically showing a VV cross section of FIG. 4
- FIG. 5 is a diagram schematically showing a VI-VI cross section of FIG. 4
- FIG. 4 is a flow chart showing an example of a water discharge procedure in the first water separation and discharge mechanism
- 6 is a flow chart showing an example of a water discharge procedure in the second water separation and discharge mechanism
- 4 is a flow chart showing an example of an operation procedure in the first water separation/discharge mechanism when drainage failure occurs.
- FIG. 4 is a diagram schematically showing another example of the first water separation/discharge mechanism in the first state
- FIG. 10 is a diagram schematically showing another example of the first water separation/discharge mechanism in the second state;
- 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 apparatus 1 cuts an object to be cut (a package substrate in this embodiment) to cut the object into a plurality of cut products (electronic components (package components) when the object to be cut is a package substrate). It is configured to singulate into .
- a substrate or a lead frame on which a semiconductor chip is mounted is resin-sealed.
- An example of an object to be cut is a substrate, which includes substrates that are not resin-sealed (including wafers) and substrates that have been resin-sealed (package substrates).
- 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, and 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 (not shown).
- the resin-sealed surface is referred to as a mold surface
- the surface opposite to the mold surface is referred to as a ball/lead surface.
- the ball/lead surface in this embodiment corresponds to the surface facing upward during cutting (cut surface), and the mold surface in this embodiment is It corresponds to the opposite side of the cutting plane.
- 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 cutting module A1 also includes a second water separation/discharge mechanism 42, a third water separation/discharge mechanism 43, part of the first water separation/discharge mechanism 41, vacuum pumps D2 and D3, and part of the vacuum pump D1. and
- 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 with a twin-cut table configuration having two cutting tables 5 is shown.
- a vacuum pump D2 is connected to one cutting table 5 through a suction path VR2, and a vacuum pump D3 is connected to the other cutting table 5 through a suction path VR3.
- Each of the vacuum pumps D2 and D3 is a dry vacuum pump.
- Each cutting table 5 sucks the package substrate P1 by suction of the vacuum pump D2 or the vacuum pump D3.
- a second water separation/discharge mechanism 42 is provided in the suction route VR2, and a third water separation/discharge mechanism 43 is provided in the suction route VR3.
- Each of the second water separation/discharge mechanism 42 and the third water separation/discharge mechanism 43 will be described later in detail.
- Each cutting table 5 includes a holding member 5a, a rotating mechanism 5b, and a moving mechanism 5c.
- the holding member 5a holds the package substrate P1 by sucking the package substrate P1 conveyed by the positioning unit 4 from below.
- the rotating mechanism 5b can rotate the holding member 5a in the ⁇ 1 direction in the drawing.
- 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 shown.
- the spindle part 6 is movable along the X-axis and Z-axis of the drawing. Note that the cutting device 1 may have a single spindle configuration having one spindle portion 6 .
- the spindle section 6 includes a blade 6a and a rotating shaft 6c.
- 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 rotating shaft 6c while being sandwiched between first and second flanges (not shown).
- the first and second flanges are fixed to the rotating shaft 6c by fastening members (not shown) such as nuts.
- the first flange is also called the inner flange and the second flange is also called the outer flange.
- the spindle portion 6 is provided with a cutting water nozzle, a cooling water nozzle, a washing water nozzle (none of which is shown), and the like.
- the cutting water nozzle jets cutting water toward the blade 6a rotating at high speed.
- the cooling water nozzle jets cooling water.
- the cutting table 5 sucks the package substrate P1.
- 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 also referred to as alignment.
- the position of a mark provided on the package substrate P1 is confirmed.
- 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. In this case, since the ball/lead surface of the package substrate P1 faces upward, the ball/lead surface becomes the cut surface.
- 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. In the confirmation using the second position confirmation camera 6b, for example, the cutting position and cutting width of the package substrate P1 are confirmed.
- 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. Washing water is used for washing the electronic component S1.
- the transport unit 7 sucks the electronic component S1 held on the cutting table 5 from above.
- a vacuum pump D1 is connected to the transfer section 7 through a suction path VR1.
- the vacuum pump D1 is a dry vacuum pump.
- the conveying unit 7 sucks the electronic component S1 by suction of the vacuum pump D1.
- a first water separation and discharge mechanism 41 is provided in the suction path VR1. The first water separation/discharge mechanism 41 will be described later in detail.
- the transport unit 7 sucks the electronic component S1 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 conveying unit 7 that has picked up the electronic component S1 is lowered in the Z-axis direction in the drawing, and the electronic component S1 is cleaned and dried in a state in which the electronic component S1 approaches the second cleaner 7a.
- the conveying section 7 that has picked up the electronic component S1 is lifted in the Z-axis direction in the figure. Washing water is used for washing 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/storage module B1 also includes a portion of the first water separation/discharge mechanism 41 and a portion of the vacuum pump D1. The first water separation/discharge mechanism 41 and the vacuum pump D1 are present across both the cutting module A1 and the inspection/storage module B1.
- 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.
- a vacuum pump D1 is connected to the inspection table 11 through a suction path VR1. The inspection table 11 sucks the electronic component S1 onto the holding member by suction of the vacuum pump D1.
- 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. After the inspection table 11 moves above the second optical inspection camera 13 , the ball/lead surface of the electronic component S 1 is imaged by the second optical inspection camera 13 .
- An inspected electronic component S1 is placed in the placement section 14.
- a vacuum pump D1 is connected to the arrangement portion 14 through a suction path VR1.
- the placement unit 14 sucks the inspected electronic component S1 by suction of the vacuum pump D1.
- 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, a monitor 20, and a sound output section 25.
- 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 sound output unit 25 is configured to output sound.
- the sound output unit 25 is composed of, for example, a sound output device such as a speaker, buzzer, or bell.
- 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 , the first water separation/discharge mechanism 41 , the second water separation/discharge mechanism 42 , the third water separation/discharge mechanism 43 , the vacuum pumps D 1 , D 2 , D 3 , the monitor 20 and the sound output unit 25 .
- each cutting table 5 is connected to the vacuum pump D2 or the vacuum pump D3, and the transfer section 7, the inspection table 11 and the placement section 14 are each connected to the vacuum pump D1.
- Each cutting table 5 is exposed to, for example, cutting water, cooling water, and cleaning water jetted when cutting the package substrate P1, and cleaning water used when cleaning the electronic component S1 by the first cleaner 5e. Due to the suction of the vacuum pumps D2 and D3, for example, these waters enter the suction paths VR2 and VR3, respectively.
- the conveying unit 7 is exposed to, for example, cleaning water used when cleaning the electronic component S1 with the second cleaner 7a. This water, for example, enters the suction path VR1 due to the suction of the vacuum pump D1.
- each of the vacuum pumps D1, D2, and D3 is a water-sealed vacuum pump, no problem will occur even if water enters each vacuum pump.
- a water ring type vacuum pump when used, fresh water must be continuously supplied into the vacuum pump in order to suppress the temperature rise of the sealing water. That is, when a water ring vacuum pump is used, a large amount of water is consumed.
- dry vacuum pumps are employed for each of the vacuum pumps D1, D2 and D3.
- a first water separation and discharge mechanism 41, a second water separation and discharge mechanism 42 and a second water separation and discharge mechanism 42 are provided on the suction paths VR1, VR2 and VR3.
- 3 water separation and discharge mechanisms 43 are arranged respectively.
- Each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 separates water that has entered the suction path, and separates water separated through the discharge path from the cutting device 1.
- each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 configured to discharge to Drainage is performed by each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43, thereby suppressing water from entering each of the vacuum pumps D1, D2, and D3. .
- the first water separation/discharge mechanism 41 is positioned on the suction path VR1 between each of the conveying section 7, the inspection table 11, and the placement section 14 and the vacuum pump D1.
- the second water separating/discharging mechanism 42 is located on the suction path VR2 between the one cutting table 5 and the vacuum pump D2.
- the third water separating/discharging mechanism 43 is located on the suction path VR3 between the other cutting table 5 and the vacuum pump D3.
- the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 are arranged in different places, but have substantially the same configuration.
- Each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 can be changed between a first state and a second state.
- the first state and the second state will be explained later.
- the 1st water separation discharge mechanism 41 is demonstrated representatively.
- FIG. 2 is a diagram schematically showing the first water separation/discharge mechanism 41 in the first state.
- FIG. 3 is a diagram schematically showing the first water separation/discharge mechanism 41 in the second state.
- the first water separation and discharge mechanism 41 includes a first tank 410, a second tank 420, a liquid level sensor 430, and valves V1, V2, V3. .
- the first tank 410 is located on the suction route VR1.
- the first tank 410 is connected to each of the conveying section 7, the inspection table 11, and the placement section 14 located upstream in the suction route VR1 through pipes.
- the first tank 410 is configured to store water that has flowed through the suction path VR1. Further, the first tank 410 is connected through a pipe to a vacuum pump D1 located downstream in the suction path VR1. In addition, the first tank 410 is connected through a pipe to a second tank 420 positioned downstream in the drainage route DR1. The first tank 410 is configured to discharge the stored water to the second tank 420 .
- a liquid level sensor 430 is attached to the first tank 410 .
- the liquid level sensor 430 is configured to detect the height of the liquid level (water surface) in the first tank 410 .
- various known sensors such as a water gauge can be used.
- FIGS. 4 is a diagram schematically showing the plane of the first tank 410.
- FIG. FIG. 5 is a diagram schematically showing a VV cross section of FIG.
- FIG. 6 is a diagram schematically showing a VI-VI section of FIG.
- the first tank 410 includes a first tank body 411, connection ports 412, 413, 414, and a partition plate 415. As shown in FIGS. 4, 5 and 6, the first tank 410 includes a first tank body 411, connection ports 412, 413, 414, and a partition plate 415. As shown in FIGS.
- the first tank body 411 is, for example, made of metal and has a cylindrical shape.
- a connection port 412 penetrates through the upper surface of the first tank body 411 .
- Pipes connected to each of the transport unit 7 , the inspection table 11 and the placement unit 14 are connected to the connection port 412 .
- This pipe constitutes a part of the suction route VR1.
- the connection port 412 does not necessarily have to be provided on the upper surface of the first tank body 411, and may be provided on the side surface of the first tank body 411, for example.
- a pipe connected to the cutting table 5 is connected to the connection port 412 .
- a connection port 413 penetrates the side surface of the first tank main body 411 .
- a pipe connected to the vacuum pump D1 is connected to the connection port 413 .
- This pipe constitutes a part of the suction route VR1.
- the connection port 413 does not necessarily have to be provided on the side surface of the first tank main body 411, and may be provided on the upper surface of the first tank main body 411, for example.
- a pipe connected to the vacuum pump D2 and a pipe connected to the vacuum pump D3 are connected to connection ports 413, respectively.
- connection port 414 penetrates through the bottom surface of the first tank body 411 .
- a pipe connected to the second tank 420 is connected to the connection port 414 .
- This pipe constitutes a part of the drainage route DR1.
- First tank 410 drains to second tank 420 through connection port 414 .
- the partition plate 415 is, for example, made of metal and has a rectangular shape.
- the partition plate 415 is erected at a position passing through the center of the first tank body 411 in plan view, and extends upward from the bottom surface of the first tank body 411 .
- the partition plate 415 is joined to each of the inner side surface and the inner bottom surface of the first tank body 411 via a plurality of welded portions W1.
- the partition plate 415 partitions the area where the connection port 413 is located and the area where the connection port 412 is located in the first tank 410 . That is, the connection port 413 is located in one region partitioned by the partition plate 415 , and the connection port 412 is located in the other region partitioned by the partition plate 415 . Since a gap is formed between the two welded portions W1 adjacent to each other, the water that enters from the connection port 412 and falls downward is stored in both of the two regions partitioned by the partition plate 415. be done.
- a gap is formed above the partition plate 415 in the first tank 410 .
- the gap length is X1.
- the lower end of the connection port 412 is positioned lower than the upper end of the partition plate 415 .
- the lower end of the connection port 412 (the upper end portion of the tip of the connection port 412 when the connection port 412 is provided on the side surface) is located at a position lower than the upper end of the partition plate 415 by the length X2. there is This makes it difficult for water entering from the connection port 412 to be sucked into the connection port 413 .
- the second tank 420 is located downstream of the first tank 410 in the drainage route DR1.
- the second tank 420 is arranged at a position lower than the first tank 410 in the height direction (Z-axis direction (FIG. 1)). Therefore, the water that has flowed into the suction path VR1 flows from the first tank 410 to the second tank 420 according to gravity.
- the second tank 420 is configured to store water flowing from the first tank 410 .
- a valve V1 is provided between the first tank 410 and the second tank 420 in the drainage path DR1.
- the valve V1 can be opened and closed.
- the water stored in the first tank 410 flows into the second tank 420 when the valve V1 is open.
- the valve V1 is closed, water is stored in the first tank 410 and the inflow of water from the first tank 410 to the second tank 420 is stopped.
- the drainage path DR1 branches between the valve V1 and the second tank 420.
- the branch destination is connected to the atmosphere via a valve V2.
- the valve V2 can be opened and closed. When the valve V2 is open, the pressure in the drainage path DR1 becomes the atmospheric pressure.
- a valve V3 is provided downstream of the second tank 420 in the drainage path DR1.
- the valve V3 is a drain valve and is composed of a check valve.
- the valve V1 when the valve V1 is open and the valve V2 is closed, the range Z1 including the drainage path DR1, the second tank 420 and the valve V3 is in a vacuum state, so the valve V3 is automatically closed. closed.
- the water that has flowed into the suction path VR1 passes through the first tank 410 and is stored in the second tank 420 .
- the first state described above refers to this state, in which the valve V1 is open and the valves V2 and V3 are closed (see FIG. 2).
- the valve V1 when the valve V1 is in the closed state and the valve V2 is in the open state, the range Z2 which does not include the drainage path DR1, the second tank 420 and the valve V3 is in a vacuum state. automatically open.
- the water flowing into the suction path VR1 is stored in the first tank 410, and the water stored in the second tank 420 is discharged to the outside of the cutting device 1 through the water discharge port.
- the above-mentioned second state refers to this state, in which the valve V1 is closed and the valves V2 and V3 are open (see FIG. 3).
- the first water separation and discharge mechanism 41 can change between the first state and the second state.
- each valve to change between the first state and the second state at an appropriate timing, it is possible to properly drain water while maintaining the suction of the electronic component S1 by the vacuum pump D1.
- the timing of changing between the first state and the second state will be described later.
- FIG. 7 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, a keyboard, a mouse, and a 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. 8 is a flow chart showing an example of a drainage procedure in the first water separation and drainage mechanism 41. As shown in FIG. The processing shown in this flowchart is executed by the control section 70 of the computer 50 when the first water separation/discharge mechanism 41 is in the second state (FIG. 3). The processing shown in this flow chart is performed each time the processing of one package substrate P1 is completed.
- control unit 70 determines whether or not the ball/lead surface of electronic component S1 attracted to cutting table 5 has been completely cleaned (washed) by first cleaner 5e (step S100). . If it is determined that the cleaning of the ball/lead surface is not completed (NO in step S100), control unit 70 waits until the cleaning of the ball/lead surface is completed.
- step S100 when it is determined that the cleaning of the ball/lead surface has been completed (YES in step S100), the control unit 70 closes the valve V1 so that the first water separation/discharge mechanism 41 changes from the second state to the first state. , V2 (step S110). That is, the control unit 70 controls the valve V1 to switch from the closed state to the open state, and controls the valve V2 to switch from the open state to the closed state. As a result, the valve V3 is closed, and before water enters the suction path VR1 from the conveying unit 7 due to cleaning by the second cleaner 7a, the first water is supplied while the electronic component S1 is being sucked by the vacuum pump D1. The amount of water that can be stored in the separation and discharge mechanism 41 can be increased. The switching of the state of the valve V1 and the switching of the state of the valve V2 are performed at the same time.
- control unit 70 completes the cleaning of the mold surface (surface opposite to the cutting surface) of the electronic component S1 sucked by the conveying unit 7 by the second cleaner 7a, and moves the conveying unit 7 in the Z-axis (FIG. 1) direction. is completed (step S120).
- the control section 70 causes the cleaning by the second cleaner 7a and the lifting of the conveying section 7 to be completed. wait until is completed.
- the second tank 420 in the first water separation/discharge mechanism 41 is filled with the most water, and the first tank 410 is filled with water. It is a difficult timing.
- the control unit 70 causes the first water separating/discharging mechanism 41 to move from the first state to the second state.
- Each of the valves V1 and V2 is controlled to change to the state (step S130). That is, the control unit 70 controls the valve V1 to switch from the open state to the closed state, and controls the valve V2 to switch from the closed state to the open state.
- the valve V3 is opened, and the water stored in the second tank 420 is discharged from the vacuum pump D1 after the electronic component S1 has been subjected to the final treatment using the water adsorbed by the conveying unit 7. It is possible to discharge the electronic component S1 to the outside of the cutting device 1 while maintaining the suction of the electronic component S1.
- the switching of the state of the valve V1 and the switching of the state of the valve V2 are performed at the same time.
- FIG. 9 is a flow chart showing an example of the drainage procedure in the second water separation and drainage mechanism 42.
- the processing shown in this flowchart is executed by the control section 70 of the computer 50 when the second water separation/discharge mechanism 42 is in the second state.
- the processing shown in this flow chart is performed each time the processing of one package substrate P1 is completed.
- control unit 70 determines whether or not the package substrate P1 is placed on the cutting table 5 (step S200). If it is determined that package substrate P1 is not placed on cutting table 5 (NO in step S200), control unit 70 waits until package substrate P1 is placed on cutting table 5.
- the control unit 70 causes the second water separation/discharge mechanism 42 to change from the second state to the first state.
- the valves V1 and V2 are respectively controlled (step S210). That is, the control unit 70 controls the valve V1 to switch from the closed state to the open state, and controls the valve V2 to switch from the open state to the closed state.
- the valve V3 is closed, and before the cutting water, cooling water, and cleaning water enter the suction path VR2 from the cutting table 5, the vacuum pump D2 continues to suck the electronic component S1, and the second water
- the amount of water that can be stored in the separation and discharge mechanism 42 can be increased.
- the switching of the state of the valve V1 and the switching of the state of the valve V2 are performed at the same time.
- control unit 70 determines whether or not the ball/lead surface of the electronic component S1 attracted to the cutting table 5 has been cleaned (washed) by the first cleaner 5e (step S220). If it is determined that the cleaning of the ball/lead surface is not completed (NO in step S220), control unit 70 waits until the cleaning of the ball/lead surface is completed. At the timing when the cleaning of the ball/lead surface of the electronic component S1 by the first cleaner 5e is completed, in the second water separation/discharge mechanism 42, the second tank 420 is filled with the most water, and the first tank 410 is filled with water. It's the timing when it's hard to collect.
- control unit 70 closes valve V1 so that second water separation/discharge mechanism 42 changes from the first state to the second state. , V2 (step S230). That is, the control unit 70 controls the valve V1 to switch from the open state to the closed state, and controls the valve V2 to switch from the closed state to the open state.
- the valve V3 is opened, and after the electronic component S1 is subjected to the final treatment using the water adsorbed on the cutting table 5, the water stored in the second tank 420 is discharged by the vacuum pump D2. It is possible to discharge the electronic component S1 to the outside of the cutting device 1 while maintaining the suction of the electronic component S1.
- the switching of the state of the valve V1 and the switching of the state of the valve V2 are performed at the same time.
- Each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 performs a common operation when drainage failure occurs.
- the operation of the first water separation/discharge mechanism 41 at the time of poor drainage will be described as a representative example.
- FIG. 10 is a flow chart showing an example of the operation procedure when the first water separation/discharge mechanism 41 has poor drainage. The processing shown in this flowchart is executed by the control section 70 of the computer 50 when the cutting device 1 is in operation.
- control unit 70 refers to the output of liquid level sensor 430 to determine whether the height of the liquid level (water surface) in first tank 410 is equal to or higher than a predetermined height. (step S300). When it is determined that the liquid level in first tank 410 is less than the predetermined height (NO in step S300), control unit 70 continues the determination in step S300.
- control unit 70 controls sound output unit 25 to output a warning sound. (Step S310). By hearing the warning sound, the operator can recognize that the first water separation/discharge mechanism 41 has a drainage failure.
- each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 is connected from the first tank 410 to the second tank.
- a first state in which the water that has flowed into 420 is stored in the second tank 420, and a second state in which the water stored in the first tank 410 and the water stored in the second tank 420 is discharged to the outside of the cutting device 1. can vary between Therefore, according to this cutting apparatus 1, by appropriately changing the state of each water separation and discharge mechanism, it is possible to suppress the entry of water into each vacuum pump while maintaining the adsorption of the substrate such as the electronic component S1. can be done.
- a region where the connection port 413 connected to the vacuum pump D1, D2 or D3 is located and a region where the connection port 412 where the path for sucking the electronic component S1 or the package substrate P1 is located are partitioned. It is separated by a plate 415 and water can be stored in both areas of the partition plate 415 . A gap is formed above the partition plate 415 . According to the cutting device 1 according to the present embodiment, water can be separated from intake air with such a simple configuration.
- the first water separation/discharge mechanism 41 by performing waste water treatment in each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 each time the treatment of one package substrate P1 is completed, the first The volumes of the tank 410 and the second tank 420 can be made as small as possible.
- Each of the package substrate P1 and the electronic component S1 is an example of the "cutting object" in the present invention.
- the cutting table 5 is an example of a “table” in the present invention.
- the spindle section 6 is an example of a “cutting mechanism” in the present invention.
- the conveying section 7 is an example of a "holding mechanism” in the present invention.
- Each of the suction paths VR1, VR2, VR3 is an example of the "suction path” in the present invention.
- Each of the vacuum pumps D1, D2, D3 is an example of the "vacuum pump” in the present invention.
- Drainage route DR1 is an example of a "drainage route” in the present invention.
- Each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 is an example of the "water separation/discharge mechanism" in the present invention.
- the first tank 410 is an example of the "first tank” in the present invention
- the second tank 420 is an example of the "second tank” in the present invention.
- the partition plate 415 is an example of the "partition plate” in the present invention.
- a configuration including valves V1, V2, and V3 is an example of a "valve mechanism” in the present invention.
- the controller 70 of the computer 50 is an example of the "controller” in the present invention.
- the valve V3 is an example of a "drainage valve” in the present invention.
- first water separation/discharge mechanism 41, second water separation/discharge mechanism 42, and third water separation/discharge mechanism 43 each include valves V1 and V2.
- each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 does not necessarily include the valves V1 and V2.
- Each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43 stores, for example, the water flowing from the first tank 410 to the second tank 420 in the second tank 420.
- Such a valve mechanism includes, for example, a three-way valve.
- Other examples of the first water separation/discharge mechanism 41 will be described below.
- FIG. 11 is a diagram schematically showing the first water separation/discharge mechanism 41A in the first state.
- FIG. 12 is a diagram schematically showing the first water separation/discharge mechanism 41A in the second state.
- a three-way valve VA is provided between the first tank 410 and the second tank 420 in the first water separation/discharge mechanism 41A.
- the three-way valve VA can change between a state in which the first tank 410 and the second tank 420 penetrate (FIG. 11) and a state in which the second tank 420 and the atmosphere penetrate (FIG. 12). That is, the three-way valve VA discharges water from the first tank 410 to the second tank 420 and stores water in the second tank 420 in a first state (FIG.
- the second state (FIG. 12) in which the water stored in the tank 420 is discharged can be changed.
- a three-way valve VA may be used instead of the valves V1 and V2. Note that the range Z3 is in a vacuum state in the first state, and the range Z4 is in a vacuum state in the second state.
- the suction paths VR1, VR2, VR3 are provided with the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43, respectively.
- each suction path does not necessarily have to be provided with a water separation and discharge mechanism.
- a water seal type vacuum pump may be used as the vacuum pumps D2 and D3, and the suction paths VR2 and VR3 may not be provided with water separation and discharge mechanisms.
- a water-sealed vacuum pump may be used as the vacuum pump D1, and the suction path VR1 may not be provided with a water separation and discharge mechanism.
- valve V3 is used as the valve V3 included in each of the first water separation/discharge mechanism 41, the second water separation/discharge mechanism 42, and the third water separation/discharge mechanism 43.
- valve V3 need not necessarily be a check valve.
- the valve V3 may be composed of an on-off valve (so-called stop valve). In this case, for example, when water is stored in the second tank 420, the valve V3 is controlled to be closed, and when water is discharged from the second tank 420, the valve V3 is controlled to be open.
- valve V2 leading to the atmosphere is provided in a path branched from the drainage path DR1 between the valve V1 and the second tank 420 .
- the valve V2 may be provided at a location in the drainage path DR1 where the pressure downstream of the valve V1 (more specifically, inside the second tank 420) can be brought to the atmospheric pressure. It does not have to be branched.
- a pipe may be connected to the upper surface of the second tank 420 and the valve V2 may be provided in this pipe.
- a warning sound is emitted when the height of the water surface in first tank 410 reaches or exceeds a predetermined height.
- the warning sound does not necessarily have to be emitted.
- the cutting device 1 may be forcibly stopped when the height of the water surface in the first tank 410 reaches or exceeds a predetermined height. As a result, it is possible to prevent the first tank 410 from overflowing with water.
- step S100 of FIG. 8 it is determined in step S100 of FIG. 8 whether or not the cleaning (washing) by the first cleaner 5e has been completed. However, in step S100 of FIG. 8, it may be determined whether the drying by the first cleaner 5e is completed. Then, when it is determined that the drying is completed, the first water separation/discharge mechanism 41 may be changed from the second state to the first state. Further, in step S120 of FIG. 8, it may be determined whether drying by the second cleaner 7a is completed. Then, when it is determined that the drying is completed, the first water separation/discharge mechanism 41 may be changed from the first state to the second state. Further, in step S220 of FIG.
- step S220 of FIG. 9 it is determined whether or not the cleaning (washing) of the ball/lead surfaces of the electronic component S1 by the first cleaner 5e has been completed. However, in step S220 of FIG. 9, it may be determined whether the drying by the first cleaner 5e is completed. Then, when it is determined that the drying is completed, the first water separation/discharge mechanism 41 may be changed from the first state to the second state.
- the states of the valves V1 and V2 are switched at the same time.
- the states of valves V1 and V2 do not necessarily have to be switched at the same time.
- the valve V1 is switched from the open state to the closed state, and then the valve V2 is switched from the closed state to the open state.
- the valve V2 is switched from the open state to the closed state, and then the valve V1 is switched from the closed state to the open state.
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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、切断対象物(本実施の形態では、パッケージ基板)を切断することによって、該切断対象物を複数の切断品(切断対象物がパッケージ基板の場合、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。
上述のように、各切断テーブル5には真空ポンプD2又は真空ポンプD3が接続されており、搬送部7、検査テーブル11及び配置部14の各々には真空ポンプD1が接続されている。各切断テーブル5は、例えば、パッケージ基板P1の切断時に噴射される切削水、冷却水及び洗浄水、並びに、第1クリーナ5eによる電子部品S1の洗浄時に用いられる洗浄水に曝される。真空ポンプD2,D3の吸引により、例えば、これらの水が吸引経路VR2,VR3にそれぞれ浸入する。また、搬送部7は、例えば、第2クリーナ7aによる電子部品S1の洗浄時に用いられる洗浄水に曝される。真空ポンプD1の吸引により、例えば、この水が吸引経路VR1に浸入する。
図7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7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。
<2-1.第1水分離排出機構における排水動作>
図8は、第1水分離排出機構41における排水手順の一例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、第1水分離排出機構41が第2状態(図3)である場合にコンピュータ50の制御部70によって実行される。なお、このフローチャートに示される処理は、1枚のパッケージ基板P1の処理が完了する毎に行なわれる。
第2水分離排出機構42及び第3水分離排出機構43の排水手順は実質的に同一である。以下では、代表的に、第2水分離排出機構42における排水手順について説明する。
第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43の各々は、排水不良が生じた場合に共通の動作を行なう。以下では、代表的に、第1水分離排出機構41における排水不良時の動作について説明する。
以上のように、本実施の形態に従う切断装置1において、第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43の各々は、第1タンク410から第2タンク420へ流入した水が第2タンク420に貯留される第1状態と、第1タンク410に水が貯留され第2タンク420に貯留された水が切断装置1の外部へ排出される第2状態との間で変化可能である。したがって、この切断装置1によれば、各水分離排出機構の状態を適切に変更することによって、電子部品S1等の基板の吸着を維持しつつ、各真空ポンプへの水の浸入を抑制することができる。
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。
上記実施の形態に従う切断装置1において、第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43の各々は、バルブV1,V2を含んでいた。しかしながら、第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43の各々は、必ずしもバルブV1,V2を含んでいなくてもよい。第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43の各々は、例えば、第1タンク410から第2タンク420へ流入した水が第2タンク420に貯留される第1状態と、第1タンク410に水が貯留され第2タンク420に貯留された水が排出される第2状態とを変更する弁機構を含んでいればよい。このような弁機構としては、例えば、三方弁が挙げられる。以下では、第1水分離排出機構41の他の例について説明する。
また、上記実施の形態に従う切断装置1においては、吸引経路VR1,VR2,VR3に第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43がそれぞれ設けられた。しかしながら、必ずしも各吸引経路に水分離排出機構が設けられなくてもよい。例えば、真空ポンプD2,D3としては水封式の真空ポンプが用いられ、吸引経路VR2,VR3の各々には水分離排出機構が設けられなくてもよい。また、例えば、真空ポンプD1としては水封式の真空ポンプが用いられ、吸引経路VR1には水分離排出機構が設けられなくてもよい。
また、上記実施の形態に従う切断装置1においては、第1水分離排出機構41、第2水分離排出機構42及び第3水分離排出機構43の各々が含むバルブV3として逆止弁が用いられた。しかしながら、バルブV3は、必ずしも逆止弁である必要はない。バルブV3は、開閉弁(いわゆるストップ弁)で構成されてもよい。この場合には、例えば、第2タンク420に水を貯留するときにバルブV3が閉状態に制御され、第2タンク420から水を排出するときにバルブV3が開状態に制御される。
また、大気につながるバルブV2は、バルブV1と第2タンク420との間において排水経路DR1を分岐させた経路に設けられていた。しかしながら、バルブV2は、排水経路DR1において、バルブV1の下流(より具体的には、第2タンク420内)を大気圧とすることができる箇所に設けられていればよく、必ずしも排水経路DR1を分岐させて設けなくてもよい。例えば、第2タンク420の上面に配管を接続し、この配管にバルブV2を備えてもよい。
また、上記実施の形態に従う切断装置1においては、第1タンク410における水面の高さが所定高さ以上となった場合に警告音が発せられた。しかしながら、第1タンク410における水面の高さが所定高さ以上となった場合に必ずしも警告音が発せられなくてもよい。例えば、第1タンク410における水面の高さが所定高さ以上となった場合に、切断装置1が強制的に停止されてもよい。これにより、第1タンク410において水が溢れる事態の発生を抑制することができる。
また、上記実施の形態においては、図8のステップS100において、第1クリーナ5eによるクリーニング(洗浄)が完了したか否かが判定された。しかしながら、図8のステップS100においては、第1クリーナ5eによる乾燥が完了したか否かが判定されてもよい。そして、乾燥が完了したと判定された場合に、第1水分離排出機構41が第2状態から第1状態へ変更されてもよい。また、図8のステップS120においては、第2クリーナ7aによる乾燥が完了したか否かが判定されてもよい。そして、乾燥が完了したと判定された場合に、第1水分離排出機構41が第1状態から第2状態へ変更されてもよい。また、図9のステップS220においては、電子部品S1のボール/リード面の第1クリーナ5eによるクリーニング(洗浄)が完了したか否か判定された。しかしながら、図9のステップS220においては、第1クリーナ5eによる乾燥が完了したか否かが判定されてもよい。そして、乾燥が完了したと判定された場合に、第1水分離排出機構41が第1状態から第2状態へ変更されてもよい。
また、上記実施の形態に従う切断装置1においては、各水分離排出機構に含まれるバルブV1,V2の状態を切り替える場合に、バルブV1,V2の状態が同時に切り替えられた。しかしながら、バルブV1,V2の状態は、必ずしも同時に切り替えられなくてもよい。例えば、各水分離排出機構の状態を第1状態から第2状態へ切り替える場合には、バルブV1が開状態から閉状態へ切り替えられ、その後、バルブV2が閉状態から開状態へ切り替えられてもよい。また、例えば、各水分離排出機構の状態を第2状態から第1状態へ切り替える場合には、バルブV2が開状態から閉状態へ切り替えられ、その後、バルブV1が閉状態から開状態へ切り替えられてもよい。
Claims (6)
- 切断対象物を吸着することによって前記切断対象物を保持するテーブルと、
前記テーブル上の前記切断対象物を切断することによって前記切断対象物を個片化する切断機構と、
個片化された前記切断対象物を吸着することによって前記切断対象物を保持する保持機構とを備え、
前記テーブル又は前記保持機構は、吸引経路を通じてドライ式の真空ポンプに接続されており、
前記吸引経路上に位置し、排水経路を通じて水を排出する水分離排出機構をさらに備え、
前記水分離排出機構は、
第1タンクと、
前記排水経路において前記第1タンクよりも下流に位置する第2タンクとを含み、
前記第1タンクは、前記真空ポンプとの接続口が位置する領域と、前記テーブル又は前記保持機構との接続口が位置する領域とを仕切る仕切り板を含み、
前記第1タンクにおいて、前記仕切り板の上方には隙間が形成されており、
前記水分離排出機構は、前記第1タンクから前記第2タンクへ流入した水が前記第2タンクに貯留される第1状態と、前記第1タンクに水が貯留され前記第2タンクに貯留された水が排出される第2状態とを変更する弁機構をさらに含む、切断装置。 - 1枚の前記切断対象物の処理毎に前記第1状態から前記第2状態へ変更するように前記弁機構を制御する制御部をさらに備え、
前記制御部は、前記テーブル又は前記保持機構に前記切断対象物が吸着された状態における水を用いた最後の処理が前記切断対象物に施された後に前記第1状態から前記第2状態へ変更するように前記弁機構を制御する、請求項1に記載の切断装置。 - 前記吸引経路は、前記保持機構と前記真空ポンプとを接続し、
前記制御部は、前記保持機構に前記切断対象物が保持された状態で、前記切断対象物の切断面と反対の面における水を用いたクリーニングが終了した後に、前記第1状態から前記第2状態へ変更するように前記弁機構を制御する、請求項2に記載の切断装置。 - 前記吸引経路は、前記テーブルと前記真空ポンプとを接続し、
前記制御部は、前記テーブルに前記切断対象物が保持された状態で、前記切断対象物の切断面における水を用いたクリーニングが終了した後に、前記第1状態から前記第2状態へ変更するように前記弁機構を制御する、請求項2に記載の切断装置。 - 前記弁機構は、前記排水経路において前記第2タンクよりも下流に位置する排水用弁を含み、
前記排水用弁は、逆止弁である、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。 - 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を用いた、切断品の製造方法であって、
前記切断機構によって前記テーブル上の前記切断対象物を切断することにより前記切断対象物を個片化して前記切断品を製造するステップを含む、切断品の製造方法。
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| JP2009028881A (ja) * | 2007-07-30 | 2009-02-12 | Olympus Corp | ワーク吸着装置 |
| JP2011104726A (ja) * | 2009-11-18 | 2011-06-02 | Disco Abrasive Syst Ltd | 切削装置 |
| JP2019051645A (ja) * | 2017-09-15 | 2019-04-04 | Towa株式会社 | 保持部材、保持部材の製造方法、保持機構及び製品の製造装置 |
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| JP2021072396A (ja) * | 2019-10-31 | 2021-05-06 | Towa株式会社 | 搬送モジュール、切断装置及び切断品の製造方法 |
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| JP2005251773A (ja) * | 2004-03-01 | 2005-09-15 | Nachi Fujikoshi Corp | 真空チャック装置 |
| JP2008238502A (ja) * | 2007-03-27 | 2008-10-09 | Asahi Glass Co Ltd | インプリント用モールドの製造方法 |
| JP2010098029A (ja) * | 2008-10-15 | 2010-04-30 | Disco Abrasive Syst Ltd | 加工装置の排水機構 |
| CN201881198U (zh) * | 2010-12-02 | 2011-06-29 | 李展帆 | 防回流装置 |
| JP6338478B2 (ja) * | 2014-07-18 | 2018-06-06 | Towa株式会社 | 切断方法及び製品の製造方法 |
| JP2017139343A (ja) * | 2016-02-04 | 2017-08-10 | 株式会社ディスコ | パッケージ基板の加工方法 |
| JP7009306B2 (ja) * | 2018-05-21 | 2022-01-25 | 株式会社ディスコ | 切削装置 |
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| US6241226B1 (en) * | 1999-09-03 | 2001-06-05 | Speedfam-Ipec Corporation | Vacuum system coupled to a wafer chuck for holding wet wafers |
| JP2009028881A (ja) * | 2007-07-30 | 2009-02-12 | Olympus Corp | ワーク吸着装置 |
| JP2011104726A (ja) * | 2009-11-18 | 2011-06-02 | Disco Abrasive Syst Ltd | 切削装置 |
| JP2019051645A (ja) * | 2017-09-15 | 2019-04-04 | Towa株式会社 | 保持部材、保持部材の製造方法、保持機構及び製品の製造装置 |
| CN209868312U (zh) * | 2019-05-17 | 2019-12-31 | 日本电气硝子株式会社 | 玻璃基板的制造装置 |
| JP2021072396A (ja) * | 2019-10-31 | 2021-05-06 | Towa株式会社 | 搬送モジュール、切断装置及び切断品の製造方法 |
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| TW202324518A (zh) | 2023-06-16 |
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| KR20240045335A (ko) | 2024-04-05 |
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