WO2023042259A1 - エキスパンド装置 - Google Patents
エキスパンド装置 Download PDFInfo
- Publication number
- WO2023042259A1 WO2023042259A1 PCT/JP2021/033734 JP2021033734W WO2023042259A1 WO 2023042259 A1 WO2023042259 A1 WO 2023042259A1 JP 2021033734 W JP2021033734 W JP 2021033734W WO 2023042259 A1 WO2023042259 A1 WO 2023042259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet member
- wafer
- expanding
- section
- ring
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 111
- 238000001816 cooling Methods 0.000 claims description 81
- 238000010438 heat treatment Methods 0.000 abstract description 44
- 238000000034 method Methods 0.000 description 43
- 239000012634 fragment Substances 0.000 description 36
- 238000012545 processing Methods 0.000 description 19
- 239000004065 semiconductor Substances 0.000 description 19
- 239000010408 film Substances 0.000 description 15
- 239000010410 layer Substances 0.000 description 15
- 239000000853 adhesive Substances 0.000 description 14
- 230000001070 adhesive effect Effects 0.000 description 14
- 238000003860 storage Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000004308 accommodation Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- 238000000605 extraction Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67132—Apparatus for placing on an insulating substrate, e.g. tape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67109—Apparatus for thermal treatment mainly by convection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
- H01L2221/68336—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding involving stretching of the auxiliary support post dicing
Definitions
- the present invention relates to an expanding device, and more particularly to an expanding device that expands a sheet member to which a wafer and a ring-shaped member are attached.
- an expanding device that expands a sheet member to which a wafer and a ring-shaped member are attached.
- Such an expanding device is disclosed, for example, in Japanese Patent No. 4288392.
- the above Japanese Patent No. 4288392 discloses an expanding device for expanding an adhesive sheet (sheet member) to which a wafer and a ring-shaped frame (ring-shaped member) surrounding the wafer are attached.
- This expanding device has an extendable table and a frame chuck for expanding the adhesive sheet.
- the adhesive sheet is stretched and expanded by lifting up the portion of the adhesive sheet to which the wafer is attached by the extensible table while the frame is fixed by the frame chuck.
- this expanding device further includes an injection pipe for heat shrinking the slack of the adhesive sheet generated in the adhesive sheet by the expansion.
- the slackness of the adhesive sheet is heat-shrinked by jetting hot air from the injection pipe to the slackness of the adhesive sheet.
- the expansion of the adhesive sheet and the heat shrinking of the adhesive sheet are performed at the same position.
- the present invention has been made to solve the above-mentioned problems, and one object of the present invention is to provide a space for arranging a structure relating to heat shrink even when heat shrink is performed by expanding a sheet member. To provide an expanding device that can be easily secured.
- an expanding apparatus comprises a wafer, a ring-shaped member surrounding the wafer, and an elastic, heat-shrinkable sheet member to which the wafer and the ring-shaped member are attached. and an expanding portion that expands a sheet member having a wafer ring structure at a first position; and in a state in which the sheet member is expanded by the expanding portion, the first position is horizontally separated from the first position in a plan view.
- a moving mechanism for horizontally moving the expanding section to the second position; and a heat shrink section for heating and shrinking the slack of the portion of the sheet member around the wafer generated by the expansion by the expanding section at the second position.
- an expanding section for expanding the stretchable heat-shrinkable sheet member to which the wafer and the ring-shaped member are attached is expanded at the first position; a moving mechanism for horizontally moving the expanded portion to a second position that is horizontally separated from the first position in a plan view in a state in which the sheet member is expanded by by; and a heat shrink portion that is heated and shrunk at the second position.
- the expansion of the sheet member can be performed at the first position, and the heat shrinking of the sheet member can be performed at the second position spaced apart from the first position in the horizontal direction. can be performed at different locations.
- the cooling structure, the removal structure, etc. are present, the cooling structure, the removal structure, etc. necessary for achieving high quality can be arranged at the first position, so that the sheet member can be expanded with higher quality. can be achieved.
- the heat shrink portion is arranged above the expanding portion moved by the moving mechanism at the second position.
- the heat shrink portion can be arranged above the expanded portion where a space can be relatively easily secured at the second position.
- the structure necessary for achieving high quality can be more easily arranged at the second position, so that heat shrinking of the high quality sheet member can be more easily achieved.
- the heat shrink portion is vertically movable between an upper position at which the sheet member is not heated and a lower position at which the sheet member is heated at the second position.
- the expanding device is preferably arranged at the first position, and when the sheet member is expanded by the expanding section, the scattered matter generated from the wafer ring structure due to the expansion of the sheet member is sucked and removed.
- It further comprises a suction unit for With this configuration, the scattered matter can be sucked and removed, so that it is possible to suppress the occurrence of quality defects due to the scattered matter scattering on the wafer.
- the expansion of the sheet member and the heat shrinking of the sheet member are performed at separate positions, so that a space for disposing the suction portion as a removal structure during expansion can be secured.
- the suction part preferably includes an annular suction part body and an annular suction port provided in the suction part body and facing the outer edge of the wafer when the scattered matter is sucked.
- the suction port of the suction unit is provided so as to face the outer edge of the wafer where scattered matter is likely to occur, so the suction unit can effectively suck the scattered matter.
- the annular suction port preferably comprises a plurality of suction ports annularly arranged at predetermined intervals. With this configuration, the suction force for each suction port can be increased compared to the case where the annular suction port is composed of a single suction port. can be aspirated.
- the suction section is preferably configured to be vertically movable between a lower position for sucking the scattered matter and an upper position for not sucking the scattered matter.
- the expanding device preferably further includes a cooling section arranged at the first position for cooling the sheet member when the sheet member is expanded by the expanding section.
- a cooling section arranged at the first position for cooling the sheet member when the sheet member is expanded by the expanding section.
- the film layer can be cooled and hardened during expansion, so it is possible to prevent the film layer from remaining cracked. Further, as described above, since the expansion of the sheet member and the heat shrinking of the sheet member are performed at separate positions, it is possible to secure a space for arranging the cooling section as a cooling structure during expansion.
- the moving mechanism is preferably configured to horizontally move the expanding section from the first position to the second position independently of the cooling section without moving the cooling section from the first position. ing.
- the driving force required for the moving mechanism can be reduced compared to the case where the moving mechanism is configured to move the expanding portion together with the cooling portion. As a result, the moving mechanism can be downsized.
- an accommodating portion that is arranged at a position different from the first position and the second position in plan view and accommodates the plurality of wafer ring structures; a pick-up part arranged at a position different from the two positions and picking up the wafer ring structure from the accommodating part, the direction in which the picking-out part takes out the wafer ring structure from the accommodating part is the direction in which the moving mechanism moves the expanding part.
- the direction in which the take-out part takes out the wafer ring structure from the accommodation part is different. Also, it is possible to suppress the expansion device from increasing in size in a direction substantially perpendicular to the direction in which the moving mechanism moves the expanding section.
- an expanding device capable of easily securing a space for arranging a structure relating to the heat-shrinking of the sheet member. can be done.
- FIG. 1 is a plan view of an expanding device according to one embodiment
- FIG. 1 is a side view of an expanding device according to one embodiment
- FIG. FIG. 4 is a plan view of a wafer ring structure of an expanding device according to one embodiment
- 4 is a cross-sectional view taken along line 101-101 of FIG. 3
- FIG. FIG. 4 is a bottom view of a debris cleaner of an expanding device according to one embodiment
- FIG. 4 is a bottom view of the heat shrink portion of the expanding device according to one embodiment
- 4 is a block diagram showing a control configuration of an expanding device according to one embodiment
- FIG. 4 is a flow chart showing semiconductor chip manufacturing processing of the expanding device according to one embodiment.
- FIG. 4 is a side view showing a state in which the sheet member of the expanding device according to one embodiment is expanded.
- FIG. 10 is a side view of the wafer ring structure, debris cleaner, and expanding ring of the expanding device according to one embodiment;
- FIG. 4 is a side view showing a state before the sheet member of the expanding device according to one embodiment is heat-shrinked;
- FIG. 4 is a side view showing a state in which the sheet member of the expanding device according to the embodiment is heat-shrinked.
- FIG. 4 is a flow chart showing extraction processing of the expanding device according to one embodiment.
- 4 is a flow chart showing transfer processing of the expanding device according to one embodiment.
- 4 is a flow chart showing the expanding process of the expanding device according to one embodiment.
- FIG. 18 is a flow chart following the flow chart of FIG. 17;
- FIG. 4 is a flow chart showing a heat shrink process of an expanding device according to one embodiment.
- FIG. 20 is a flow chart following the flow chart of FIG. 19;
- FIG. 4 is a flow chart showing processing for accommodating an expanding device according to one embodiment.
- FIG. 1 The configuration of an expanding device 100 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 21.
- FIG. 1 The configuration of an expanding device 100 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 21.
- expanding apparatus 100 is configured to divide wafer 210 to form a plurality of semiconductor chips. Further, the expanding device 100 is configured to form sufficient gaps between the plurality of semiconductor chips.
- a modified layer is formed in advance on the wafer 210 by irradiating the wafer 210 with a laser beam having a wavelength that is transmissive to the wafer 210 along the division lines (street).
- the modified layer refers to cracks, voids, etc. formed inside the wafer 210 by the laser.
- stealth dicing A method of forming a modified layer on the wafer 210 in this manner is called stealth dicing.
- the expanding device 100 by expanding the sheet member 220, the wafer 210 is divided along the modified layer. Further, by expanding the sheet member 220 in the expanding device 100, the gaps between the plurality of semiconductor chips that are divided and formed are widened.
- the expanding device 100 includes a base plate 1 , a cassette section 2 , a lift-up hand section 3 , a suction hand section 4 , a base 5 , an expanding section 6 , a cool air supply section 7 , a cooling unit 8 , and a fragment cleaner 9 . , a heat shrink portion 10 , and an ultraviolet irradiation portion 11 .
- the cassette part 2 is an example of the "receiving part" in the scope of claims.
- the lift-up hand section 3 is an example of the "retrieving section” in the scope of claims.
- the cool air supply unit 7 and the cooling unit 8 are examples of the "cooling unit” in the claims.
- the fragment cleaner 9 is an example of the "suction part" of a claim.
- the horizontal direction in which the cassette portion 2 and the heat shrink portion 10 are arranged is the X direction
- the cassette portion 2 side in the X direction is the X1 direction
- the heat shrink portion 10 side in the X direction is the X2 direction.
- the direction orthogonal to the X direction is the Y direction
- the Y1 direction is the cassette portion 2 side of the Y directions
- the Y2 direction is the opposite direction to the Y1 direction.
- the vertical direction is the Z direction
- the upward direction is the Z1 direction
- the downward direction is the Z2 direction.
- the base plate 1 is a base on which the cassette section 2 and the suction hand section 4 are installed.
- the base plate 1 has a rectangular shape elongated in the Y direction in plan view.
- the cassette section 2 is configured to accommodate a plurality (five) of wafer ring structures 200 .
- the wafer ring structure 200 has a wafer 210, a sheet member 220, and a ring-shaped member 230, as shown in FIGS.
- the wafer 210 is a circular thin plate made of a crystal of a semiconductor material that is used as a material for semiconductor integrated circuits. Inside the wafer 210, as described above, a modified layer is formed by modifying the inside along the dividing line. That is, the wafer 210 is configured to be split along the split lines.
- the sheet member 220 is an elastic adhesive tape. An adhesive layer is provided on the upper surface 220a of the sheet member 220 .
- the wafer 210 is attached to the adhesive layer of the sheet member 220 .
- the ring-shaped member 230 is a ring-shaped metal frame in plan view. A notch 240 and a notch 250 are formed in the outer surface 230 a of the ring-shaped member 230 .
- the ring-shaped member 230 is attached to the adhesive layer of the sheet member 220 while surrounding the wafer 210 .
- the cassette section 2 includes a Z-direction moving mechanism 21, a wafer cassette 22, and a pair of mounting sections 23.
- the Z-direction moving mechanism 21 is configured to move the wafer cassette 22 in the Z-direction using a motor 21a as a drive source.
- the Z-direction moving mechanism 21 also has a mounting table 21b that supports the wafer cassette 22 from below.
- the wafer cassette 22 is manually supplied and mounted on the mounting table 21b.
- the wafer cassette 22 has an accommodation space capable of accommodating a plurality of wafer ring structures 200 .
- a plurality of (five) pairs of mounting portions 23 are arranged inside the wafer cassette 22 .
- a ring-shaped member 230 of the wafer ring structure 200 is mounted on the pair of mounting portions 23 from the Z1 direction side.
- One of the pair of mounting portions 23 protrudes in the X2 direction from the inner surface of the wafer cassette 22 in the X1 direction.
- the other of the pair of mounting portions 23 protrudes in the X1 direction from the inner surface of the wafer cassette 22 in the X2 direction.
- the lift-up hand section 3 is configured to be able to take out the wafer ring structure 200 from the cassette section 2 . Further, the lift-up hand section 3 is configured so that the wafer ring structure 200 can be accommodated in the cassette section 2 .
- the lift-up hand section 3 includes a Y-direction movement mechanism 31 and a lift-up hand 32 .
- the Y-direction moving mechanism 31 is configured to move the lift-up hand 32 in the Y-direction using a motor 31a as a drive source.
- the lift-up hand 32 is configured to support the ring-shaped member 230 of the wafer ring structure 200 from the Z2 direction side.
- the suction hand unit 4 is configured to suction the ring-shaped member 230 of the wafer ring structure 200 from the Z1 direction side.
- the suction hand unit 4 includes an X-direction movement mechanism 41 , a Z-direction movement mechanism 42 and a suction hand 43 .
- the X-direction moving mechanism 41 is configured to move the suction hand 43 in the X direction using a motor 41a as a drive source.
- the Z-direction moving mechanism 42 is configured to move the suction hand 43 in the Z-direction using a motor 42a as a drive source.
- the suction hand 43 is configured to support the ring-shaped member 230 of the wafer ring structure 200 from the Z1 direction side.
- the base 5 is a base on which the expanding section 6, the cooling unit 8 and the ultraviolet irradiation section 11 are installed.
- the base 5 has a rectangular shape elongated in the Y direction in plan view.
- the expanding section 6 is configured to expand the sheet member 220 of the wafer ring structure 200 to divide the wafer 210 along the dividing line.
- the expanding section 6 includes a Z-direction moving mechanism 61 , a Y-direction moving mechanism 62 , a clamp section 63 and an expanding ring 64 .
- the Z-direction moving mechanism 61 is configured to move the clamp portion 63 in the Z-direction using a motor 61a as a drive source.
- the Y-direction moving mechanism 62 is configured to move the Z-direction moving mechanism 61, the clamp portion 63 and the expand ring 64 in the Y direction using a motor 62a as a drive source.
- the Y-direction moving mechanism 62 is an example of the "moving mechanism" in the claims.
- the clamp part 63 is configured to grip the ring-shaped member 230 of the wafer ring structure 200 .
- the clamp portion 63 has a lower grip portion 63a and an upper grip portion 63b.
- the lower grip portion 63a supports the ring-shaped member 230 from the Z2 direction side.
- the upper gripping portion 63b presses the ring-shaped member 230 supported by the lower gripping portion 63a from the Z1 direction side.
- the ring-shaped member 230 is gripped by the lower gripping portion 63a and the upper gripping portion 63b.
- the expand ring 64 is configured to expand the sheet member 220 by supporting the sheet member 220 from the Z2 direction side.
- the expand ring 64 has a ring shape in plan view.
- the cool air supply unit 7 is configured to supply cold air to the sheet member 220 from the Z1 direction side when the sheet member 220 is expanded by the expanding unit 6 .
- the cool air supply unit 7 has a plurality of nozzles 71 .
- the nozzle 71 has a cool air supply port 71a (see FIG. 5) through which cool air supplied from a cool air supply source (not shown) flows out.
- a nozzle 71 is attached to the debris cleaner 9 .
- a cold source is a chiller for generating cold.
- the cool air supply source supplies air cooled by, for example, a cooling device provided with a heat pump or the like. Such cold air supply is mounted on the base 5 .
- a cool air supply source and each of the plurality of nozzles 71 are connected by a hose (not shown).
- the cooling unit 8 is configured to cool the sheet member 220 from the Z2 direction side when the sheet member 220 is expanded by the expanding section 6 .
- the cooling unit 8 includes a cooling member 81 having a cooling body 81 a and a Peltier element 81 b, and a cylinder 82 .
- the cooling body 81a is made of a member having a large heat capacity and a high thermal conductivity.
- the cooling body 81a is made of metal such as aluminum.
- the Peltier element 81b is configured to cool the cooling body 81a. Note that the cooling body 81a is not limited to aluminum, and may be another member having a large heat capacity and a high thermal conductivity.
- the cooling unit 8 is configured to be movable in the Z direction by means of a cylinder 82. Thereby, the cooling unit 8 can move to a position in contact with the sheet member 220 and a position away from the sheet member 220 .
- the fragment cleaner 9 is configured to suck fragments of the wafer 210 and the like when the sheet member 220 is expanded by the expanding section 6 .
- the fragment cleaner 9 includes a ring-shaped member 91 and a plurality of suction ports 92.
- the ring-shaped member 91 is a member having a ring shape when viewed from the Z1 direction side.
- the plurality of suction ports 92 are openings for sucking fragments of the wafer 210 and the like.
- a plurality of suction ports 92 are formed on the lower surface of the ring-shaped member 91 on the Z2 direction side. It should be noted that the ring-shaped member 91 is an example of the "suction portion main body" in the claims.
- the debris cleaner 9 is configured to be movable in the Z direction by means of a cylinder (not shown). As a result, the fragment cleaner 9 can move to a position close to the wafer 210 and to a position where the suction hand 43 moving in the X direction can be avoided.
- the heat shrink section 10 is configured to shrink the sheet member 220 expanded by the expanding section 6 by heating while maintaining the gaps between the plurality of semiconductor chips.
- the heat shrink section 10 includes a Z-direction moving mechanism 110, a heating ring 111, an intake ring 112, and an expansion maintaining ring 113.
- the Z-direction moving mechanism 110 is configured to move the heating ring 111 and the suction ring 112 in the Z direction using a motor 110a as a drive source.
- the heating ring 111 has a ring shape in plan view.
- the heating ring 111 also has a sheathed heater that heats the sheet member 220 .
- the intake ring 112 is configured integrally with the heating ring 111 .
- the intake ring 112 has a ring shape in plan view.
- a plurality of intake ports 112a are formed in the lower surface of the intake ring 112 on the Z2 direction side.
- the expansion maintaining ring 113 is configured to hold down the sheet member 220 from the Z1 direction side so that the sheet member 220 near the wafer 210 does not shrink due to heating by the heating ring 111 .
- the expansion maintaining ring 113 has a ring shape in plan view.
- the expansion retaining ring 113 is configured to be movable in the Z direction by a cylinder (not shown). This allows the expansion retaining ring 113 to move to a position holding the seat member 220 and a position away from the seat member 220 .
- the ultraviolet irradiation unit 11 is configured to irradiate the sheet member 220 with ultraviolet rays in order to reduce the adhesive strength of the adhesive layer of the sheet member 220 .
- the ultraviolet irradiation section 11 has an ultraviolet light.
- the expanding device 100 includes a first control unit 12, a second control unit 13, a third control unit 14, a fourth control unit 15, a fifth control unit 16, an expansion control calculation A unit 17 , a handling control calculation unit 18 , and a storage unit 19 are provided.
- the first control section 12 is configured to control the heat shrink section 10 .
- the first control unit 12 includes a CPU (Central Processing Unit) and a storage unit having ROM (Read Only Memory) and RAM (Random Access Memory).
- the first control unit 12 may include, as a storage unit, an HDD (Hard Disk Drive) that retains stored information even after the voltage is cut off. Also, the HDD may be provided in common to the first control section 12 , the second control section 13 , the third control section 14 , the fourth control section 15 and the fifth control section 16 .
- an HDD Hard Disk Drive
- the second control section 13 is configured to control the cool air supply section 7 , the cooling unit 8 and the debris cleaner 9 .
- the second control unit 13 includes a CPU and a storage unit having ROM, RAM, and the like.
- the third control section 14 is configured to control the expanding section 6 .
- the third control unit 14 includes a CPU and a storage unit having ROM, RAM, and the like. Note that the second control unit 13 and the third control unit 14 may include, as a storage unit, an HDD or the like that retains stored information even after the voltage is cut off.
- the fourth control section 15 is configured to control the cassette section 2 and the lift-up hand section 3.
- the fourth control unit 15 includes a CPU and a storage unit having ROM, RAM, and the like.
- the fifth control section 16 is configured to control the suction hand section 4 .
- the fifth control unit 16 includes a CPU and a storage unit having ROM, RAM, and the like. Note that the fourth control unit 15 and the fifth control unit 16 may include, as a storage unit, an HDD or the like that retains stored information even after the voltage is cut off.
- the expansion control calculation unit 17 is configured to perform calculations related to expansion processing of the sheet member 220 based on the processing results of the first control unit 12, the second control unit 13 and the third control unit 14.
- the expansion control calculation unit 17 includes a CPU and a storage unit having ROM, RAM, and the like.
- the handling control calculation unit 18 is configured to perform calculations related to the process of moving the wafer ring structure 200 based on the processing results of the fourth control unit 15 and the fifth control unit 16 .
- the handling control calculation unit 18 includes a CPU and a storage unit having ROM, RAM, and the like.
- a program for operating the expanding device 100 is stored in the storage unit 19 .
- the storage unit 19 includes ROM, RAM, and the like.
- step S1 the wafer ring structure 200 is taken out from the cassette section 2. That is, after the wafer ring structure 200 housed in the cassette section 2 is supported by the lift-up hand 32, the lift-up hand 32 is moved in the Y2 direction by the Y-direction moving mechanism 31, whereby the wafer ring structure 200 is removed from the cassette section 2. Structure 200 is retrieved.
- step S ⁇ b>2 the wafer ring structure 200 is transferred to the expanding section 6 by the suction hand 43 . That is, the wafer ring structure 200 taken out from the cassette section 2 is moved in the X2 direction by the X-direction moving mechanism 41 while being sucked by the suction hand 43 . The wafer ring structure 200 that has moved in the X2 direction is transferred from the suction hand 43 to the clamp section 63 and then gripped by the clamp section 63 .
- step S3 the sheet member 220 is expanded by the expanding section 6.
- the sheet member 220 of the wafer ring structure 200 gripped by the clamp portion 63 is cooled by the cooling unit 8 .
- the sheet member 220 is cooled by the cold air supply unit 7 .
- the wafer ring structure 200 cooled to a predetermined temperature is lowered by the Z-direction moving mechanism 61 while being gripped by the clamp portion 63 .
- the sheet member 220 is expanded by the expand ring 64 to divide the wafer 210 along the dividing line. At this time, the wafer 210 is divided while suctioning the fragments by the fragment cleaner 9 .
- step S4 while maintaining the expanded state of the sheet member 220, the expanded portion 6 is moved to the Z2 direction side of the heat shrink portion 10. That is, after the wafer 210 is divided, the wafer ring structure 200 with the sheet member 220 expanded is moved in the Y1 direction by the Y-direction moving mechanism 62 .
- step S5 the sheet member 220 is heated by the heat shrink section 10 to be shrunk.
- the wafer ring structure 200 moved in the Y1 direction is heated by the heating ring 111 while being sandwiched between the expansion retaining ring 113 and the expand ring 64 .
- suction by the suction ring 112 and irradiation of ultraviolet rays by the ultraviolet irradiation unit 11 are performed.
- step S6 the expanding section 6 is returned to its original position. That is, the wafer ring structure 200 with the contracted sheet member 220 is moved in the Y2 direction by the Y-direction moving mechanism 31 .
- step S ⁇ b>7 the wafer ring structure 200 is transferred from the expanding section 6 to the lift-up hand section 3 by the suction hand 43 , is moved in the X1 direction by the X-direction moving mechanism 41 , and is transferred to the lift-up hand 32 .
- step S ⁇ b>8 the wafer ring structure 200 is accommodated in the cassette section 2 .
- the wafer ring structure 200 supported by the lift-up hand 32 is moved in the Y1 direction by the Y-direction moving mechanism 31 , so that the wafer ring structure 200 is housed in the cassette section 2 .
- the processing performed on one wafer ring structure 200 is completed.
- composition related to expansion and heat shrink 1 and 9-14, the configuration for expansion and heat shrink will be described in detail.
- the expanding section 6 is configured to expand the stretchable heat-shrinkable sheet member 220 at the first position P1. It is Further, the Y-direction moving mechanism 62 moves from the first position P1 to a second position P2, which is horizontally (Y1 direction) away from the first position P1 in plan view, in a state in which the sheet member 220 is expanded by the expanding section 6. In addition, the Z-direction moving mechanism 61 of the expanding section 6, the clamping section 63 and the expanding ring 64 are configured to move in the horizontal direction (Y1 direction). Further, the heat shrink section 10 is configured to heat and shrink (heat shrink) the slack of the portion 220b of the sheet member 220 around the wafer 210 caused by the expansion by the expanding section 6 at the second position P2. It is
- the expanding section 6 is configured such that when the sheet member 220 is expanded, the clamping section 63 grips the ring-shaped member 230 in the vertical direction (Z direction).
- the upper gripping portion 63b of the clamping portion 63 is composed of a plurality (four) of slide moving bodies 63ba arranged so as to surround the wafer ring structure 200.
- the plurality of slide moving bodies 63ba are configured to horizontally slide toward the wafer 210 side when gripping the ring-shaped member 230.
- the lower gripping portion 63a of the clamping portion 63 rises in the Z1 direction toward the upper gripping portion 63b (plurality of sliding moving bodies 63ba) that slides toward the wafer 210 by the driving force of a cylinder such as an air cylinder. is configured to As a result, the ring-shaped member 230 is gripped and fixed between the upper gripping portion 63b and the lower gripping portion 63a of the clamp portion 63. As shown in FIG.
- the clamp part 63 is moved toward the expand ring 64 by the driving force of the motor 61a of the Z-direction moving mechanism 61 while gripping the ring-shaped member 230 between the upper grip part 63b and the lower grip part 63a. It is configured to descend in the Z2 direction. As a result, the sheet member 220 is pressed against the expand ring 64 and the sheet member 220 is expanded. Note that the expand ring 64 is arranged on the Z2 direction side with respect to the sheet member 220 .
- the expand ring 64 is coaxial with the ring-shaped member 230 and has a circular annular shape so as to surround the wafer 210 .
- the diameter of the expand ring 64 is larger than the diameter of the wafer 210 and smaller than the diameter (inner diameter) of the ring-shaped member 230 . That is, the expand ring 64 is arranged horizontally between the wafer 210 and the ring-shaped member 230 .
- a debris cleaner 9 is arranged to remove the debris.
- the scattered matter is, for example, a fragment of the wafer 210. Since the fragment of the wafer 210 is small in the vicinity of the outer edge 210a (see FIG. 12) of the wafer 210, the position of the sheet member 220 becomes unstable when the sheet member 220 is expanded. It is easy to become a scattering object. Moreover, when a die attach film exists between the wafer 210 and the sheet member 220, the die attach film may become a scattering object.
- the fragment cleaner 9 is configured to suck and remove the scattered matter by the negative pressure supplied from the negative pressure generator.
- the suction port 92 of the fragment cleaner 9 has a circular ring-shaped wafer 210 at the time of suction of scattered objects (such as fragments of the wafer 210 and fragments of the die attach film). It is formed in a circular ring so as to face the outer edge 210a of the.
- the circular ring-shaped suction port 92 is composed of a plurality of circular suction ports 92 arranged at predetermined intervals in a circular ring.
- the debris cleaner 9 is configured to suck scattered matter away from the center of the wafer 210 by means of a circular suction port 92 .
- the fragment cleaner 9 is arranged at the first position P1, which is the expanded position, by the driving force of a cylinder such as an air cylinder. , and an upper position where scattered matter is not sucked.
- the lower position is the position near the wafer 210 .
- the upper position is a retreat position where the suction hand 43 moving in the X direction can be avoided.
- the fragment cleaner 9 is configured to descend in the Z2 direction from the upper position to the lower position when expanding the sheet member 220 .
- the fragment cleaner 9 starts the suction operation before pressing the sheet member 220 against the expand ring 64, and at least the pressing of the sheet member 220 against the expand ring 64 is completed (the movement in the Z2 direction by the Z direction moving mechanism 61 is performed). It is configured to continue the suction operation until the movement is completed).
- the cool air supply section 7 and the cooling unit 8 for cooling the sheet member 220 when the sheet member 220 is expanded by the expanding section 6 are arranged at the first position P1, which is the expanding position.
- the cool air supply unit 7 is provided integrally with the fragment cleaner 9 on the Z1 direction side with respect to the wafer ring structure 200 . Therefore, at the first position P1, the cool air supply unit 7 moves vertically (in the Z direction) integrally with the fragment cleaner 9 between a lower position where cool air is supplied and an upper position where no cool air is supplied. configured as possible.
- the cool air supply unit 7 is configured to descend in the Z2 direction from the upper position to the lower position when the sheet member 220 is expanded.
- the cool air supply unit 7 is configured to start the cool air supply operation before pressing the sheet member 220 against the expand ring 64 and continue the cool air supply operation at least until the sheet member 220 is completely pressed against the expand ring 64. ing.
- the cooling unit 8 is arranged on the Z2 direction side with respect to the wafer ring structure 200 . At the first position P1, the cooling unit 8 is moved vertically ( Z direction). The cooling unit 8 is configured to rise in the Z1 direction from the lower position to the upper position when the sheet member 220 is expanded. The cooling unit 8 is also configured to initiate and complete the cooling operation before pressing the sheet member 220 against the expand ring 64 . Also, the cooling unit 8 is configured to retract to the lower position before pressing the sheet member 220 against the expand ring 64 .
- the Y-direction moving mechanism 62 maintains the expanded state of the sheet member 220 by the expanding section 6,
- the expanding portion 6 (the Z-direction moving mechanism 61, the clamp portion 63 and the expanding ring 64) is moved in the Y1 direction from the first position P1 where the sheet member 220 is expanded to the second position P2 where the sheet member 220 is heat-shrinked. configured to move.
- the Y-direction moving mechanism 62 moves independently of the fragment cleaner 9, the cool air supply unit 7 and the cooling unit 8 without moving the fragment cleaner 9, the cool air supply unit 7 and the cooling unit 8 from the first position P1.
- the expanding portion 6 is moved in the Y1 direction from the first position P1 to the second position P2.
- the fragment cleaner 9 and the cool air supply section 7 are retracted to the upper position, and the cooling unit 8 is retracted to the lower position.
- the Y-direction moving mechanism 62 further has a mounting portion 62b and a rail portion 62c in addition to the motor 62a.
- the mounting portion 62b is configured such that the Z-direction moving mechanism 61, the clamp portion 63 and the expand ring 64 are mounted on the upper surface thereof. Further, the mounting portion 62b is formed in a substantially rectangular plate shape in plan view.
- the mounting portion 62b is movably provided on the rail portion 62c.
- a pair of rail portions 62c are provided spaced apart in the X direction. The pair of rail portions 62c are provided to extend in the Y direction between the first position P1 and the second position P2.
- the Y-direction moving mechanism 62 moves the mounting portion 62b in the Y direction along the pair of rail portions 62c by the driving force of the motor 62a, thereby moving the Z-direction moving mechanism 61, the clamp portion 63 and the expand ring 64. It is configured to be movable in the Y direction between the first position P1 and the second position P2.
- the mounting portion 62b is provided with a hole portion 62ba passing through the mounting portion 62b in the vertical direction (Z direction).
- the hole portion 62ba is formed in a circular shape in plan view.
- the hole portion 62ba has a size that allows the cooling unit 8 to pass therethrough at the first position P1. Thereby, it is possible to move the cooling unit 8 between the upper position and the lower position via the hole 62ba.
- the hole 62ba has a size that allows the ultraviolet irradiation section 11 to pass therethrough at the second position P2. Thereby, it is possible to move the ultraviolet irradiation section 11 between the upper position and the lower position via the hole 62ba.
- the hole portion 62ba is provided inside the expand ring 64 .
- the cooling unit 8 and the ultraviolet irradiation section 11 are configured to move inside the expand ring 64 through the hole 62ba.
- the heat shrink portion 10 moves toward the Z1 direction side of the expanded portion 6 moved by the Y direction movement mechanism 62 at the second position P2, which is the heat shrink position. are placed. Further, the heating ring 111 and the suction ring 112 of the heat shrink portion 10 are driven by the driving force of the motor 110a of the Z-direction moving mechanism 110 to move the sheet member 220 to the upper position where the sheet member 220 is not heated and the sheet member 220 to be heated.
- the expansion maintaining ring 113 of the heat shrink portion 10 is moved between the upper position not pressing the sheet member 220 and the lower position pressing the sheet member 220 at the second position P2 by the driving force of a cylinder such as an air cylinder.
- a cylinder such as an air cylinder.
- the upper position is a retracted position where the expanding portion 6 and the wafer ring structure 200 moving in the Y1 direction can be avoided.
- the lower position is a position near the sheet member 220 .
- the heat shrink portion 10 (the heating ring 111, the suction ring 112, and the expansion maintaining ring 113) is configured to descend in the Z2 direction from the upper position to the lower position when heat shrinking the sheet member 220.
- the up-down mechanism (Z-direction moving mechanism 110) for the heating ring 111 and the suction ring 112 and the up-down mechanism (cylinder) for the extension maintaining ring 113 are separate mechanisms. Therefore, the heating ring 111, the suction ring 112, and the expansion retaining ring 113 can move up and down independently of each other.
- the expansion maintaining ring 113 is configured to sandwich the sheet member 220 in the vertical direction (Z direction) with the expanding ring 64 .
- the expansion maintaining ring 113 is configured to maintain the expanded state of the portion of the sheet member 220 corresponding to the wafer 210 .
- the heating ring 111 heats the portion 220b of the sheet member 220 around the wafer 210 (the outside of the expansion maintaining ring 113) by the sheathed heater, which is a heating mechanism. part).
- the intake ring 112 is configured to intake gas generated from the sheet member 220 due to the heating while the sheet member 220 is heated by the heating ring 111 .
- the ultraviolet irradiation section 11 that irradiates the sheet member 220 with ultraviolet rays when the sheet member 220 is heat-shrinked by the heat-shrink section 10 is arranged at the second position P2, which is the heat-shrink position.
- the ultraviolet irradiation unit 11 is arranged on the Z2 direction side with respect to the wafer ring structure 200 .
- the ultraviolet irradiation unit 11 is vertically (Z-direction) moved between an upper position where it irradiates ultraviolet rays and a lower position where it does not irradiate ultraviolet rays by the driving force of a cylinder 121 such as an air cylinder. is configured to be movable to
- the ultraviolet irradiation unit 11 is configured to rise in the Z1 direction from the lower position to the upper position when heat shrinking the sheet member 220 .
- the Y-direction moving mechanism 62 moves from the second position P2 where heat shrinking is performed to the first position P1 where expansion is performed to expand the expanding portion 6 (Z
- the direction moving mechanism 61, the clamp portion 63 and the expand ring 64) are configured to move in the Y2 direction.
- the Y-direction moving mechanism 62 moves from the second position P2 independently of the heat shrink portion 10 and the ultraviolet irradiation portion 11 without moving the heat shrink portion 10 and the ultraviolet irradiation portion 11 from the second position P2. It is configured to move the expanding portion 6 in the Y2 direction to the first position P1.
- the heat shrink portion 10 is retracted to the upper position
- the ultraviolet irradiation portion 11 is retracted to the lower position.
- the cassette portion 2 is arranged at a position different from the first position P1 and the second position P2 in plan view.
- the lift-up hand section 3 is arranged at a position different from the first position P1 and the second position P2 in plan view.
- the direction (Y2 direction) in which the lift-up hand section 3 takes out the wafer ring structure 200 from the cassette section 2 is substantially parallel to the direction (Y1 direction) in which the Y-direction moving mechanism 62 moves the expanding section 6 .
- the insertion/extraction direction (Y direction) of the wafer ring structure 200 by the lift-up hand portion 3 and the moving direction (Y direction) of the expanding portion 6 by the Y direction moving mechanism 62 are substantially parallel to each other.
- the cassette part 2 is arranged side by side with the second position P2, which is the heat shrink position, in the X direction.
- the take-out position of the wafer ring structure 200 by the lift-up hand section 3 is arranged in the X direction side by side with the first position P1, which is the expanded position.
- the extraction process is a process performed in step S1 in the semiconductor chip manufacturing process.
- step S101 it is determined whether or not the lift-up hand 32 of the lift-up hand section 3 is free. If the lift-up hand 32 is not free, the takeout process is terminated. If the lift-up hand 32 is free, the process proceeds to step S102.
- step S102 it is determined whether or not the lift-up hand 32 exists within the wafer cassette 22 of the cassette section 2. If the lift-up hand 32 does not exist within the wafer cassette 22, the process proceeds to step S104. Also, when the lift-up hand 32 exists in the wafer cassette 22, the process proceeds to step S103.
- step S103 the lift-up hand 32 is moved from inside the wafer cassette 22 to outside the wafer cassette 22 by the Y-direction moving mechanism 31 in the Y2 direction.
- step S ⁇ b>104 the wafer cassette 22 is moved in the Z direction by the Z-direction moving mechanism 21 so that the lift-up hand 32 can take out the wafer ring structure 200 to be taken out from the wafer cassette 22 .
- the upper surface of the lift-up hand 32 is positioned slightly above the lower surface of the ring-shaped member 230 of the wafer ring structure 200 to be taken out in the wafer cassette 22 in the Z2 direction.
- the wafer cassette 22 is moved in the Z direction by the Z direction moving mechanism 21 .
- step S105 the lift-up hand 32 is moved in the Y1 direction by the Y-direction moving mechanism 31 so as to be positioned right below the ring-shaped member 230 of the wafer ring structure 200 to be taken out in the wafer cassette 22.
- step S ⁇ b>106 the wafer ring structure 200 to be taken out from the wafer cassette 22 is transferred to the lift-up hand 32 .
- step S106 the lower surface of the ring-shaped member 230 of the wafer ring structure 200 to be taken out from the wafer cassette 22 is lifted slightly by the lift-up hand 32 from the upper surfaces of the pair of mounting portions 23.
- the wafer cassette 22 is moved in the Z2 direction by the Z-direction moving mechanism 21 .
- step S107 the lift-up hand 32 is moved in the Y2 direction by the Y-direction movement mechanism 31 while the lower surface of the ring-shaped member 230 of the wafer ring structure 200 to be taken out is supported by the upper surface of the lift-up hand 32. .
- the wafer ring structure 200 to be taken out is taken out from the wafer cassette 22 by the lift-up hand 32 .
- the extraction process is terminated.
- Transfer processing in the expanding device 100 will be described with reference to FIG. 16 .
- the transfer process is a process performed in step S2 or S7 in the semiconductor chip manufacturing process.
- step S201 the suction hand 43 of the suction hand unit 4 is lifted by the Z-direction moving mechanism 42. As shown in FIG. 16, in step S201, the suction hand 43 of the suction hand unit 4 is lifted by the Z-direction moving mechanism 42. As shown in FIG.
- step S ⁇ b>202 the suction hand 43 is moved above the wafer ring structure 200 by the X-direction moving mechanism 41 .
- the suction hand 43 is moved above the wafer ring structure 200 supported by the lift-up hand 32 .
- the suction hand 43 is moved above the wafer ring structure 200 supported by the expanding section 6 .
- step S ⁇ b>203 the suction hand 43 is lowered toward the wafer ring structure 200 by the Z-direction moving mechanism 42 .
- step S204 the suction hand 43 sucks the ring-shaped member 230 of the wafer ring structure 200 by the negative pressure supplied from the negative pressure generator.
- step S205 the suction hand 43 is lifted by the Z-direction moving mechanism 42.
- step S206 the suction hand 43 is moved above the transfer destination by the X-direction moving mechanism 41. Specifically, in the case of step S2 in the semiconductor chip manufacturing process, the suction hand 43 is moved above the expanding section 6 at the first position P1. Further, in the case of step S ⁇ b>7 in the semiconductor chip manufacturing process, the suction hand 43 is moved above the lift-up hand 32 .
- step S207 the suction hand 43 is lowered by the Z-direction moving mechanism 42 toward the transfer destination (expanding section 6 or lift-up hand 32).
- step S208 the suction of the ring-shaped member 230 of the wafer ring structure 200 by the suction hand 43 is released. This completes the transfer of the wafer ring structure 200 to the transfer destination. Then, the transfer process is terminated.
- the expanding process in the expanding device 100 will be described with reference to FIGS. 17 and 18.
- FIG. The expanding process is a process performed in step S3 in the semiconductor chip manufacturing process.
- the expanding process is performed at the first position P1.
- the suction hand 43 is lifted by the Z-direction moving mechanism 42 in step S301.
- the ring-shaped member 230 of the wafer ring structure 200 is supported by the lower holding portion 63a of the clamp portion 63. As shown in FIG. 17, the suction hand 43 is lifted by the Z-direction moving mechanism 42 in step S301.
- the ring-shaped member 230 of the wafer ring structure 200 is supported by the lower holding portion 63a of the clamp portion 63. As shown in FIG.
- step S302 the plurality of sliding moving bodies 63ba of the upper gripping portion 63b are horizontally slid toward the wafer 210 side.
- step S303 while supporting the ring-shaped member 230 of the wafer ring structure 200, the lower grip part 63a is raised. Thereby, the ring-shaped member 230 is gripped and fixed between the upper gripping portion 63b and the lower gripping portion 63a.
- step S304 the fragment cleaner 9 is lowered toward the wafer ring structure 200 by the cylinder together with the cool air supply unit 7.
- step S305 it is determined whether cooling by supplying cool air to the sheet member 220 by the cool air supply unit 7 is necessary. If cooling by supply of cool air to the sheet member 220 by the cool air supply unit 7 is required, the process proceeds to step S305a. Then, in step S305a, supply of cool air to the sheet member 220 by the cool air supply unit 7 is started. Note that when cooling is performed by the cool air supply unit 7, cooling is also performed by the cooling unit 8 in step S307, which will be described later. Then, the process proceeds to step S306. If cooling by supplying cool air to the sheet member 220 by the cool air supply unit 7 is not necessary, the process proceeds to step S306 without performing the process of step S305a.
- step S306 it is determined whether cooling of the sheet member 220 by the cooling unit 8 is necessary. If the sheet member 220 needs to be cooled by the cooling unit 8, the process proceeds to step S307. Then, in step S307, in addition to the cooling of the sheet member 220 by the cool air supply unit 7, the cooling of the sheet member 220 by the cooling unit 8 is performed. Then, the process proceeds to step S308. If the sheet member 220 does not need to be cooled by the cooling unit 8, the process proceeds to step S308 without performing the process of step S307.
- step S308 the suction of the scattered matter by the fragment cleaner 9 is started.
- step S309 the clamp portion 63 is rapidly lowered by the Z-direction moving mechanism 61 to press the sheet member 220 against the expand ring 64, thereby expanding the sheet member 220.
- the wafer 210 on the sheet member 220 is divided into a plurality of matrix-shaped semiconductor chips, and the gaps between the plurality of semiconductor chips are widened.
- the clamp portion 63 is lowered from the expansion start position to the expansion completion position.
- step S310 supply of cold air to the sheet member 220 by the cool air supply unit 7 is stopped. If it is determined in step 305 that cooling by supplying cool air to the sheet member 220 by the cool air supply unit 7 is not necessary, the process proceeds to step S311 without performing the processing of step S310.
- step S311 the suction of the scattered matter by the fragment cleaner 9 is stopped.
- step S312 the fragment cleaner 9 is lifted by the cylinder together with the cool air supply unit 7. Then, the expanding process ends. Then, while maintaining the expanded state of the sheet member 220, the expanding portion 6 (the Z-direction moving mechanism 61, the clamping portion 63 and the expanding ring 64) is moved from the first position P1 to the second position P2 by the Y-direction moving mechanism 62. be moved.
- the heat shrink process in the expanding device 100 will be described with reference to FIGS. 19 and 20.
- FIG. The heat shrink process is a process performed in step S5 in the semiconductor chip manufacturing process.
- step S401 the ultraviolet irradiation unit 11 is raised by the cylinder 121.
- step S402 the extension maintaining ring 113 is lowered by the cylinder. Thereby, the sheet member 220 is sandwiched between the expansion maintaining ring 113 and the expanding ring 64 .
- step S403 the heating ring 111 and the suction ring 112 are lowered by the Z-direction moving mechanism 110.
- the up-down mechanism (Z-direction moving mechanism 110) for the heating ring 111 and the suction ring 112 and the up-down mechanism (cylinder) for the extension maintaining ring 113 are separate mechanisms.
- step S404 intake by the intake ring 112 is started.
- step S405 heating of the sheet member 220 by the heating ring 111 and irradiation of the sheet member 220 by the ultraviolet irradiation unit 11 with ultraviolet rays are started.
- the slack in the portion 220b of the sheet member 220 surrounding the wafer 210 is contracted and removed.
- the irradiation of the sheet member 220 with the ultraviolet rays by the ultraviolet irradiation unit 11 reduces the adhesive strength of the adhesive layer of the sheet member 220 .
- step S406 it is determined whether or not the heating time of the sheet member 220 by the heating ring 111 has reached the set time. If the heating time of the sheet member 220 by the heating ring 111 has not reached the set time, the process of step S406 is repeated. If the heating time of the sheet member 220 by the heating ring 111 reaches the set time, the process proceeds to step S407.
- step S407 the heating of the sheet member 220 by the heating ring 111 is stopped.
- step S408 the clamp part 63 is raised at a low speed by the Z-direction moving mechanism 61.
- step S409 it is determined whether or not the clamp portion 63 has risen to the expansion start position. If the clamp portion 63 has not risen to the expansion start position, the process of step S409 is repeated. If the clamp portion 63 has risen to the expansion start position, the process proceeds to step S410.
- steps S406 to S409 an example in which heating of the sheet member 220 by the heating ring 111 and lifting of the clamping portion 63 by the Z-direction moving mechanism 61 are performed at once was shown. is not limited to For example, the heating of the sheet member 220 by the heating ring 111 and the lifting of the clamping portion 63 by the Z-direction moving mechanism 61 may be performed in multiple steps. That is, the clamping portion 63 may be raised to the expansion start position while repeating the heating of the sheet member 220 by the heating ring 111 and the raising of the clamping portion 63 by the Z-direction moving mechanism 61 .
- step S410 the intake by the intake ring 112 and the irradiation of the ultraviolet rays to the sheet member 220 by the ultraviolet irradiation unit 11 are stopped.
- step S411 the heating ring 111 and the intake ring 112 are lifted by the Z-direction moving mechanism 110.
- step S412 the expansion retaining ring 113 is lifted by the cylinder.
- step S413 the ultraviolet irradiation section 11 is lowered by the cylinder 121. Then, the heat shrink process is terminated. Then, the Y-direction moving mechanism 62 moves the expanding portion 6 (the Z-direction moving mechanism 61, the clamp portion 63 and the expanding ring 64) from the second position P2 to the first position P1. Then, the wafer ring structure 200 that has been expanded and heat-shrinked is transferred from the expanding section 6 at the first position P ⁇ b>1 to the lift-up hand 32 by the suction hand 43 .
- the accommodation process in the expanding device 100 will be described with reference to FIG. 21 .
- the accommodation process is a process performed in step S8 in the semiconductor chip manufacturing process.
- step S501 it is determined whether or not the lift-up hand 32 of the lift-up hand unit 3 is free. If the lift-up hand 32 is not free, the accommodation process is terminated. If the lift-up hand 32 is vacant, the process proceeds to step S502.
- step S502 it is determined whether or not the lift-up hand 32 exists within the wafer cassette 22 of the cassette section 2. If the lift-up hand 32 does not exist within the wafer cassette 22, the process proceeds to step S504. Also, if the lift-up hand 32 exists in the wafer cassette 22, the process proceeds to step S503.
- step S503 the lift-up hand 32 is moved from inside the wafer cassette 22 to outside the wafer cassette 22 by the Y-direction moving mechanism 31 in the Y2 direction.
- step S504 the wafer cassette 22 is moved in the Z direction by the Z-direction moving mechanism 21 so that the wafer ring structure 200 to be accommodated on the lift-up hand 32 can be accommodated in the wafer cassette 22.
- the ring-shaped member of the wafer ring structure 200 to be accommodated on the lift-up hand 32 is placed slightly above the upper surfaces of the pair of mounting portions 23 in the wafer cassette 22 in the Z1 direction.
- the wafer cassette 22 is moved in the Z-direction by the Z-direction moving mechanism 21 so that the lower surface of 230 of is positioned.
- step S505 the lower surface of the ring-shaped member 230 of the wafer ring structure 200 to be accommodated on the lift-up hand 32 is positioned at the accommodation position in the wafer cassette 22 (directly above the pair of mounting portions 23). Then, the lift-up hand 32 is moved in the Y1 direction by the Y-direction moving mechanism 31 .
- step S506 the wafer ring structure 200 to be accommodated on the lift-up hand 32 is transferred to the pair of placement parts 23 in the wafer cassette 22. Specifically, in step S506, the wafer cassette 22 is moved in the Z1 direction by the Z-direction moving mechanism 21 so that the upper surface of the lift-up hand 32 is slightly below the upper surfaces of the pair of mounting portions 23. be.
- step S508 the lift-up hand 32 is moved in the Y2 direction by the Y-direction moving mechanism 31 while the lower surface of the ring-shaped member 230 of the wafer ring structure 200 to be accommodated is supported by the upper surfaces of the pair of mounting portions 23. be done. As a result, the lift-up hand 32 is taken out while the wafer ring structure 200 to be accommodated is accommodated in the wafer cassette 22 . Then, the accommodation process ends.
- the expanding section 6 expands the stretchable heat-shrinkable sheet member 220 to which the wafer 210 and the ring-shaped member 230 are attached at the first position P1
- the expanding section 6 A Y-direction moving mechanism 62 for horizontally moving the expanding portion 6 to a second position P2 horizontally separated from the first position P1 in a plan view in a state in which the sheet member 220 is expanded by , and a wafer of the sheet member 220.
- a heat shrink portion 10 for heating and shrinking the slack of the portion 220b around 210 at the second position P2.
- the expansion of the sheet member 220 can be performed at the first position P1, and the heat shrink of the sheet member 220 can be performed at the second position P2 horizontally separated from the first position P1.
- Heat shrinking of the sheet member 220 can be performed at separate locations.
- a space for arranging the heat-shrink structure of the sheet member 220 can be easily secured at the second position P2.
- the structure necessary for achieving high quality can be easily arranged at the second position P2
- the heat shrink of the sheet member 220 with higher quality can be easily achieved.
- the sheet member 220 by expanding the sheet member 220 and heat shrinking the sheet member 220 at different positions, there is a cooling structure for cooling the sheet member 220 during expansion and a removal structure for removing scattered matter generated during expansion.
- a space for arranging a cooling structure, a removal structure, and the like can be secured at the first position P1. Accordingly, when a cooling structure, a removal structure, and the like are present, the cooling structure, the removal structure, and the like necessary for achieving high quality can be arranged at the first position P1, so that the sheet member 220 can be of higher quality. expansion can be achieved.
- the heat shrink portion 10 is arranged above the expanded portion 6 moved by the Y-direction moving mechanism 62 at the second position P2. Accordingly, at the second position P2, the heat shrink portion 10 can be arranged above the expanded portion 6 where a space can be secured relatively easily. As a result, the structure necessary for achieving high quality can be more easily arranged at the second position P2, so that heat shrinking of the sheet member 220 with high quality can be more easily achieved.
- the heat shrink portion 10 is arranged vertically between the upper position where the sheet member 220 is not heated and the lower position where the sheet member 220 is heated at the second position P2. configured to be movable. Accordingly, by moving the heat shrink portion 10 to the upper position, the heat shrink portion 10 can be retracted so as not to interfere with the movement of the expanded portion 6, so that the expanded portion 6 can be easily moved. . Further, by moving the heat shrink portion 10 to the lower position, the heat shrink of the sheet member 220 can be easily performed after the expand portion 6 is moved to the second position P2.
- the expanding device 100 is arranged at the first position P1, and when the sheet member 220 is expanded by the expanding section 6, the expansion of the sheet member 220 causes the wafer ring structure 200 to expand.
- a debris cleaner 9 is provided for sucking and removing scattered matter generated from. As a result, the scattered matter can be sucked and removed, so that it is possible to suppress quality defects caused by scattering of the scattered matter on the wafer 210 .
- the expansion of the sheet member 220 and the heat shrinking of the sheet member 220 are performed at different positions, so that a space for arranging the fragment cleaner 9 as a removal structure during expansion can be secured.
- the debris cleaner 9 includes the annular ring-shaped member 91 and the annular suction port 92 provided in the ring-shaped member 91 and facing the outer edge of the wafer 210 when the scattered matter is sucked. including. Since the suction port 92 of the fragment cleaner 9 is provided so as to face the outer edge of the wafer 210 where scattered matter is likely to occur, the fragment cleaner 9 can effectively suck the scattered matter.
- the annular suction port 92 is composed of a plurality of suction ports 92 annularly arranged at predetermined intervals. As a result, the suction force of each suction port 92 can be increased compared to the case where the annular suction port 92 is composed of a single suction port 92, so that the debris cleaner 9 can more effectively remove scattered objects. can be aspirated.
- the fragment cleaner 9 is configured to be vertically movable between a lower position that sucks scattered objects and an upper position that does not suck scattered objects.
- the fragment cleaner 9 can be retracted so as not to interfere with the movement of the expanding part 6, so that the expanding part 6 can be easily moved.
- the fragment cleaner 9 to the lower position it is possible to easily suck the scattered matter when the sheet member 220 is expanded.
- the expanding device 100 is arranged at the first position P1, and when the sheet member 220 is expanded by the expanding section 6, the cool air supply section 7 and the cooling unit cool the sheet member 220. 8.
- the sheet member 220 can be cooled and hardened during expansion, only the outer peripheral portion of the sheet member 220 is stretched because the sheet member 220 is soft, and a sufficient dividing force is not generated to the wafer 210 .
- a sheet member 220 that can prevent the wafer 210 from being divided into two parts.
- the film layer is soft, so even if the silicon portion of the wafer 210 is split by expansion, the film layer will crack. Although it may remain, with the above configuration, the film layer can be cooled and hardened during expansion, so it is possible to suppress the film layer from being left uncracked. Further, as described above, since the expansion of the sheet member 220 and the heat shrinking of the sheet member 220 are performed at separate positions, a space for arranging the cool air supply section 7 and the cooling unit 8 as a cooling structure during expansion is secured. be able to.
- the Y-direction moving mechanism 62 is independent of the cool air supply section 7 and the cooling unit 8 without moving the cool air supply section 7 and the cooling unit 8 from the first position P1. , to horizontally move the expanding portion 6 from the first position P1 to the second position P2.
- the driving force required for the Y-direction moving mechanism 62 can be reduced compared to the case where the Y-direction moving mechanism 62 is configured to move the expanding portion 6 together with the cold air supply portion 7 and the cooling unit 8. can.
- the size of the Y-direction moving mechanism 62 can be reduced.
- the expanding device 100 is arranged at a position different from the first position P1 and the second position P2 in a plan view, and the cassette section 2 that accommodates the plurality of wafer ring structures 200 is arranged. and a lift-up hand section 3 arranged at a position different from the first position P ⁇ b>1 and the second position P ⁇ b>2 in plan view and taking out the wafer ring structure 200 from the cassette section 2 .
- the direction in which the lift-up hand section 3 takes out the wafer ring structure 200 from the cassette section 2 is substantially parallel to the direction in which the Y-direction moving mechanism 62 moves the expanding section 6 .
- the lift-up hand section 3 can move the cassette section 2 to the cassette. It is possible to prevent the expansion device 100 from increasing in size in a direction substantially perpendicular to the direction in which the wafer ring structure 200 is taken out from the section 2 and the direction in which the Y-direction moving mechanism 62 moves the expanding section 6 .
- the heat shrink portion is arranged above the expanded portion at the second position, but the present invention is not limited to this.
- the heat shrink portion may be arranged below the expanded portion at the second position.
- the heat shrink portion has a heating ring, but the present invention is not limited to this.
- the heat shrink portion may have a heating portion other than the heating ring as long as the sheet member can be heated.
- the heat shrink portion has an intake ring and an expansion maintaining ring, but the present invention is not limited to this. In the present invention, the heat shrink portion may not have an intake ring and an expansion retention ring.
- the expanding device is provided with a fragment cleaner (suction unit)
- the present invention is not limited to this.
- the expanding device does not have to have a suction part.
- the fragment cleaner (suction unit) has an annular suction port facing the outer edge of the wafer, but the present invention is not limited to this.
- the shape of the suction port of the suction portion may be any shape as long as the scattered matter can be sucked.
- the annular suction port is composed of a plurality of suction ports, but the present invention is not limited to this.
- the annular suction port may consist of a single suction port.
- the expanding device includes a cold air supply section and a cooling unit (cooling section)
- the present invention is not limited to this.
- the expanding device may include only one of the cool air supply section and the cooling unit as the cooling section. Also, the expanding device does not have to include the cooling section.
- the direction in which the lift-up hand section (extraction section) takes out the wafer ring structure from the cassette section (accommodation section) is substantially parallel to the direction in which the Y-direction moving mechanism (moving mechanism) moves the expanding section.
- the direction in which the take-out part takes out the wafer ring structure from the storage part may intersect the direction in which the moving mechanism moves the expanding part.
- control processing may be performed by event-driven processing in which processing is executed on an event-by-event basis. In this case, it may be completely event-driven, or a combination of event-driven and flow-driven.
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Abstract
Description
図1および図2に示すように、エキスパンド装置100は、ウエハ210を分割して複数の半導体チップを形成するように構成されている。また、エキスパンド装置100は、複数の半導体チップ同士の間に十分な隙間を形成するように構成されている。ここで、ウエハ210には、ウエハ210に対して透過性を有する波長のレーザを分割ライン(ストリート)に沿って照射することにより、予め改質層が形成されている。改質層とは、レーザによりウエハ210の内部に形成された亀裂およびボイドなどを示す。このように、ウエハ210に改質層を形成する手法をステルス式ダイシング加工という。
ベースプレート1は、カセット部2および吸着ハンド部4が設置される基台である。ベースプレート1は、平面視において、Y方向に長い矩形形状を有している。
カセット部2は、複数(5個)のウエハリング構造200を収容可能に構成されている。ここで、ウエハリング構造200は、図3および図4に示すように、ウエハ210と、シート部材220と、リング状部材230とを有している。
リフトアップハンド部3は、カセット部2からウエハリング構造200を取出可能に構成されている。また、リフトアップハンド部3は、カセット部2にウエハリング構造200を収容可能に構成されている。
吸着ハンド部4は、ウエハリング構造200のリング状部材230をZ1方向側から吸着するように構成されている。
ベース5は、エキスパンド部6、冷却ユニット8および紫外線照射部11が設置される基台である。ベース5は、平面視において、Y方向に長い矩形形状を有している。
エキスパンド部6は、ウエハリング構造200のシート部材220をエキスパンドすることにより、分割ラインに沿ってウエハ210を分割するように構成されている。
冷気供給部7は、エキスパンド部6によりシート部材220をエキスパンドさせる際、シート部材220にZ1方向側から冷気を供給するように構成されている。
冷却ユニット8は、エキスパンド部6によりシート部材220をエキスパンドさせる際、シート部材220をZ2方向側から冷却するように構成されている。
破片クリーナ9は、エキスパンド部6によりシート部材220をエキスパンドさせる際、ウエハ210の破片などを吸引するように構成されている。
ヒートシュリンク部10は、エキスパンド部6によりエキスパンドされたシート部材220を、複数の半導体チップ同士の間の隙間を保持した状態で、加熱により収縮させるように構成されている。
紫外線照射部11は、シート部材220の粘着層の粘着力を低下させるために、シート部材220に紫外線を照射するように構成されている。具体的には、紫外線照射部11は、紫外線用照明を有している。
図7に示すように、エキスパンド装置100は、第1制御部12と、第2制御部13と、第3制御部14と、第4制御部15と、第5制御部16と、エキスパンド制御演算部17と、ハンドリング制御演算部18と、記憶部19とを備えている。
エキスパンド装置100の全体的な動作について以下に説明する。
図1および図9~図14を参照して、エキスパンドおよびヒートシュリンクに関する構成について詳細に説明する。
図9~図11に示すように、エキスパンド部6は、シート部材220をエキスパンドする際、クランプ部63によりリング状部材230を上下方向(Z方向)に把持するように構成されている。具体的には、クランプ部63の上側把持部63bは、ウエハリング構造200を囲むように配置された複数(4つ)のスライド移動体63baにより構成されている。複数のスライド移動体63baは、リング状部材230を把持する際、ウエハ210側に向かって水平方向にスライド移動するように構成されている。また、クランプ部63の下側把持部63aは、エアシリンダなどのシリンダの駆動力により、ウエハ210側にスライド移動した上側把持部63b(複数のスライド移動体63ba)に向かってZ1方向側に上昇するように構成されている。これにより、クランプ部63の上側把持部63bと下側把持部63aとの間に、リング状部材230が把持されて固定される。
また、本実施形態では、図13および図14に示すように、ヒートシュリンク部10は、ヒートシュリンク位置である第2位置P2において、Y方向移動機構62により移動したエキスパンド部6のZ1方向側に配置されている。また、ヒートシュリンク部10の加熱リング111および吸気リング112は、Z方向移動機構110のモータ110aの駆動力により、第2位置P2において、シート部材220を加熱しない上方位置と、シート部材220を加熱する下方位置との間で、上下方向(Z方向)に移動可能に構成されている。また、ヒートシュリンク部10の拡張維持リング113は、エアシリンダなどのシリンダの駆動力により、第2位置P2において、シート部材220を押さえない上方位置と、シート部材220を押さえる下方位置との間で、上下方向に移動可能に構成されている。また、上方位置は、Y1方向に移動するエキスパンド部6およびウエハリング構造200を回避可能な退避位置である。また、下方位置は、シート部材220の近傍の位置である。
また、本実施形態では、図1に示すように、カセット部2は、平面視において第1位置P1および第2位置P2とは異なる位置に配置されている。また、リフトアップハンド部3は、平面視において第1位置P1および第2位置P2とは異なる位置に配置されている。また、リフトアップハンド部3がカセット部2からウエハリング構造200を取り出す方向(Y2方向)は、Y方向移動機構62がエキスパンド部6を移動させる方向(Y1方向)と略平行である。すなわち、リフトアップハンド部3によるウエハリング構造200の挿抜方向(Y方向)と、Y方向移動機構62によるエキスパンド部6の移動方向(Y方向)とは、互いに略平行である。また、カセット部2は、ヒートシュリンク位置である第2位置P2とX方向に並んで配置されている。また、リフトアップハンド部3によるウエハリング構造200の取出位置は、エキスパンド位置である第1位置P1とX方向に並んで配置されている。
図15を参照して、エキスパンド装置100における取出処理について説明する。取出処理は、上記半導体チップ製造処理におけるステップS1において行われる処理である。
図16を参照して、エキスパンド装置100における移載処理について説明する。移載処理は、上記半導体チップ製造処理におけるステップS2またはS7において行われる処理である。
図17および図18を参照して、エキスパンド装置100におけるエキスパンド処理について説明する。エキスパンド処理は、上記半導体チップ製造処理におけるステップS3において行われる処理である。エキスパンド処理は、第1位置P1において行われる。
図19および図20を参照して、エキスパンド装置100におけるヒートシュリンク処理について説明する。ヒートシュリンク処理は、上記半導体チップ製造処理におけるステップS5において行われる処理である。
図21を参照して、エキスパンド装置100における収容処理について説明する。収容処理は、上記半導体チップ製造処理におけるステップS8において行われる処理である。
本実施形態では、以下のような効果を得ることができる。
なお、今回開示された実施形態は、すべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は、上記した実施形態の説明ではなく請求の範囲によって示され、さらに請求の範囲と均等の意味および範囲内でのすべての変更(変形例)が含まれる。
3 リフトアップハンド部(取出部)
6 エキスパンド部
7 冷気供給部(冷却部)
8 冷却ユニット(冷却部)
9 破片クリーナ(吸引部)
10 ヒートシュリンク部
62 Y方向移動機構(移動機構)
91 リング状部材(吸引部本体)
92 吸引口
100 エキスパンド装置
200 ウエハリング構造
210 ウエハ
220 シート部材
220b シート部材のウエハの周囲の部分
230 リング状部材
P1 第1位置
P2 第2位置
Claims (10)
- ウエハと、前記ウエハを囲むリング状部材と、前記ウエハおよび前記リング状部材が貼り付けられた伸縮性を有する熱収縮性のシート部材とを含むウエハリング構造の前記シート部材を、第1位置において、エキスパンドするエキスパンド部と、
前記エキスパンド部により前記シート部材をエキスパンドした状態で、前記第1位置から、平面視において前記第1位置とは水平方向に離間した第2位置に前記エキスパンド部を水平方向に移動させる移動機構と、
前記エキスパンド部によるエキスパンドにより発生する前記シート部材の前記ウエハの周囲の部分の弛みを、前記第2位置において、加熱して収縮させるヒートシュリンク部と、を備える、エキスパンド装置。 - 前記ヒートシュリンク部は、前記第2位置において、前記移動機構により移動した前記エキスパンド部の上方に配置されている、請求項1に記載のエキスパンド装置。
- 前記ヒートシュリンク部は、前記第2位置において、前記シート部材を加熱しない上方位置と、前記シート部材を加熱する下方位置との間で、上下方向に移動可能に構成されている、請求項2に記載のエキスパンド装置。
- 前記第1位置に配置され、前記エキスパンド部により前記シート部材をエキスパンドする際、前記シート部材のエキスパンドに起因して前記ウエハリング構造から発生する飛散物を吸引して除去する吸引部をさらに備える、請求項1~3のいずれか1項に記載のエキスパンド装置。
- 前記吸引部は、環状の吸引部本体と、前記吸引部本体に設けられ、前記飛散物の吸引時に前記ウエハの外縁に対向する環状の吸引口とを含む、請求項4に記載のエキスパンド装置。
- 環状の前記吸引口は、所定の間隔を隔てて環状に配置された複数の吸引口により構成されている、請求項5に記載のエキスパンド装置。
- 前記吸引部は、前記飛散物を吸引する下方位置と、前記飛散物を吸引しない上方位置との間で、上下方向に移動可能に構成されている、請求項4~6のいずれか1項に記載のエキスパンド装置。
- 前記第1位置に配置され、前記エキスパンド部により前記シート部材をエキスパンドする際、前記シート部材を冷却する冷却部をさらに備える、請求項1~7のいずれか1項に記載のエキスパンド装置。
- 前記移動機構は、前記第1位置から前記冷却部を移動させることなく、前記冷却部とは独立して、前記第1位置から前記第2位置に前記エキスパンド部を水平方向に移動させるように構成されている、請求項8に記載のエキスパンド装置。
- 平面視において前記第1位置および前記第2位置とは異なる位置に配置され、複数の前記ウエハリング構造を収容する収容部と、
平面視において前記第1位置および前記第2位置とは異なる位置に配置され、前記収容部から前記ウエハリング構造を取り出す取出部と、をさらに備え、
前記取出部が前記収容部から前記ウエハリング構造を取り出す方向は、前記移動機構が前記エキスパンド部を移動させる方向と略平行である、請求項1~9のいずれか1項に記載のエキスパンド装置。
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DE112021007867.4T DE112021007867T5 (de) | 2021-09-14 | 2021-09-14 | Streckvorrichtung |
PCT/JP2021/033734 WO2023042259A1 (ja) | 2021-09-14 | 2021-09-14 | エキスパンド装置 |
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JP2012245534A (ja) * | 2011-05-26 | 2012-12-13 | Disco Corp | レーザー加工装置 |
JP2013184189A (ja) * | 2012-03-07 | 2013-09-19 | Disco Corp | レーザー加工装置 |
JP2018206939A (ja) * | 2017-06-05 | 2018-12-27 | 株式会社ディスコ | エキスパンド方法及びエキスパンド装置 |
JP3222036U (ja) * | 2019-04-23 | 2019-07-04 | 株式会社ディスコ | 紫外線照射装置 |
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JP2000211993A (ja) * | 1999-01-22 | 2000-08-02 | Mitsubishi Electric Corp | 半導体ウェハの製造方法、半導体製造装置、および、半導体装置 |
JP4288392B2 (ja) | 2003-09-29 | 2009-07-01 | 株式会社東京精密 | エキスパンド方法 |
CN100470729C (zh) * | 2004-05-24 | 2009-03-18 | 松下电器产业株式会社 | 晶片扩展装置、部件供给装置及晶片带的扩展方法 |
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2021
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- 2021-09-14 JP JP2023547966A patent/JPWO2023042259A1/ja active Pending
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- 2021-09-14 CN CN202180101115.8A patent/CN117716471A/zh active Pending
- 2021-09-14 KR KR1020247000966A patent/KR20240021246A/ko unknown
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2012245534A (ja) * | 2011-05-26 | 2012-12-13 | Disco Corp | レーザー加工装置 |
JP2013184189A (ja) * | 2012-03-07 | 2013-09-19 | Disco Corp | レーザー加工装置 |
JP2018206939A (ja) * | 2017-06-05 | 2018-12-27 | 株式会社ディスコ | エキスパンド方法及びエキスパンド装置 |
JP3222036U (ja) * | 2019-04-23 | 2019-07-04 | 株式会社ディスコ | 紫外線照射装置 |
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