WO2009125763A1 - 接着剤注入装置 - Google Patents
接着剤注入装置 Download PDFInfo
- Publication number
- WO2009125763A1 WO2009125763A1 PCT/JP2009/057126 JP2009057126W WO2009125763A1 WO 2009125763 A1 WO2009125763 A1 WO 2009125763A1 JP 2009057126 W JP2009057126 W JP 2009057126W WO 2009125763 A1 WO2009125763 A1 WO 2009125763A1
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- WIPO (PCT)
- Prior art keywords
- adhesive
- adhesive injection
- injection device
- laminated
- application
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/673—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 using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
- H01L21/67313—Horizontal boat type carrier whereby the substrates are vertically supported, e.g. comprising rod-shaped elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/50—Multistep manufacturing processes of assemblies consisting of devices, each device being of a type provided for in group H01L27/00 or H01L29/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2225/00—Details relating to assemblies covered by the group H01L25/00 but not provided for in its subgroups
- H01L2225/03—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00
- H01L2225/04—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers
- H01L2225/065—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices not having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/06503—Stacked arrangements of devices
- H01L2225/06513—Bump or bump-like direct electrical connections between devices, e.g. flip-chip connection, solder bumps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
- Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means
Definitions
- the present invention relates to manufacturing of a stacked semiconductor device, and more particularly to an adhesive injection device that is used when manufacturing a three-dimensional semiconductor device or a semiconductor integrated circuit and injects an adhesive made of an insulating resin between stacked wafers. .
- Patent Document 1 a plurality of semiconductor chips formed by cutting into chips are stacked in a container, and an insulating resin layer is injected between the semiconductor chips by injecting resin into the container through a plurality of slits.
- a method for manufacturing a semiconductor device for forming a semiconductor device is disclosed.
- Patent Document 2 discloses a method of injecting a resin by a vacuum differential pressure method by forming a seal by providing a rectangular Cu wall on the wafer surface when bonding the wafers when manufacturing a laminated wafer.
- FIG. 17 is a diagram for explaining a process of injecting an insulating adhesive into a gap between wafers using a seal.
- the adhesive injection device 200 surrounds the Cu bump 201 provided on the wafer and leaves the entrance 204 in part to form the Cu wall 203 and place it in the vacuum chamber (FIG. 17 (a)).
- the entrance 204 is immersed in the insulating adhesive 205 (FIG. 17B), and then the N 2 gas is leaked to break the vacuum state to the atmospheric state (FIG. 17C).
- Insulating adhesive 215 is injected (FIG. 17D).
- Patent Document 2 discloses a method of injecting a resin by a vacuum differential pressure method as a method of injecting a resin into a laminated wafer by arranging an adhesive all around the wafer without providing a seal on the laminated wafer. Has been.
- the adhesive injection device 210 includes a container 211 including an upper jig 212 and a lower jig 213, and an upper stage 213 and a lower stage 214 for fixing the container 211, in a vacuum chamber 215.
- the laminated wafer 220 is arranged in the 211.
- the vacuum chamber 215 is connected to an evacuation device 216 that evacuates the interior, an inert gas introduction unit 217 that introduces an inert gas into the interior, and an adhesive supply unit 218 that supplies an adhesive into the container 211. Has been.
- the adhesive is injected into the plurality of laminated bodies.
- the adhesive injection process for one laminate is repeated the same number of times as the number of laminates.
- an object of the present invention is to solve the above-described conventional problems and to provide an adhesive injection device capable of easily performing an adhesive injection process on a plurality of laminated bodies.
- the present invention is an adhesive injection device that injects an adhesive between substrates of a laminate having at least two substrates facing each other, and holds a plurality of laminates arranged in the lamination direction of each substrate. And an adhesive injection unit that injects the adhesive between the substrates so that the operation of injecting the adhesive between the substrates is temporally overlapped in a state where a plurality of stacked bodies are held in the cassette. .
- the substrate is a thin plate-like member such as a wafer, a liquid crystal substrate, or a circuit substrate
- the laminate is a structure formed by arranging the substrates to face each other.
- the plurality of stacked bodies are formed by arranging a plurality of stacked bodies in the stacking direction.
- a plurality of laminated bodies can be handled integrally by holding a plurality of laminated bodies in a cassette, and an operation of injecting an adhesive between each substrate while holding the plurality of laminated bodies is performed.
- an operation of injecting an adhesive between each substrate while holding the plurality of laminated bodies is performed.
- By injecting the adhesive between the substrates so as to overlap with each other in time it is possible to facilitate the injection process of the adhesive into the plurality of laminated bodies, and to shorten the time required for the injection process.
- by handling a plurality of laminated bodies as one body it is easy to position the rotational position of each laminated body.
- injecting the adhesive between the substrates so as to overlap in time does not necessarily require the injection of the adhesive between the substrates at the same time. It means that the adhesive is injected between the substrates at a time having at least a common time width including the deviation.
- the present invention further includes an application portion for applying a sealing material to the outer peripheral end faces of the plurality of laminated bodies.
- the application unit includes a contact member to which a seal material is attached and in which the outer peripheral end faces are in contact with each other at least partially in time.
- the contact member of the application unit applies the seal material by bringing the contact member to which the seal material is attached into contact with the outer peripheral end surfaces of the plurality of laminated bodies.
- the state in which at least a part of the sealing material is temporally overlapped means that the contact of the sealing material to the outer peripheral end surfaces of the respective laminated bodies is not necessarily simultaneous. This means that the seal material is brought into contact with the outer peripheral end face of the laminated body over time with at least a common time width including a time lag.
- the plurality of laminated bodies are held in the cassette so as to be rotatable around the axis extending along the respective arrangement directions, and the seal material is applied to the outer peripheral end surface by the application portion by rotating around the axis.
- the cassette includes two frames sandwiching a plurality of stacked bodies from both sides in the arrangement direction, and a connecting member that connects the frame bodies, and the connecting members support the plurality of stacked bodies.
- the connecting member has a rotating roller that rotates around an axis extending along the arrangement direction of the plurality of laminated bodies.
- the rotating roller rotates the laminate by rotating.
- the connecting member supports a plurality of laminated bodies and has a driven roller and a pressing roller that rotate according to the driving of the rotating roller.
- the pressing roller presses each laminated body against the rotating roller and the driven roller.
- the pressing roller can be moved toward and away from a plurality of laminated bodies.
- the pressure roller presses each laminated body against the rotating roller and the driven roller by approaching the plurality of laminated bodies. Moreover, the pressing roller releases the pressing of the rotating roller and the driven roller with respect to each stacked body by being separated from the plurality of stacked bodies.
- At least one of the rotating roller, the driven roller, and the pressing roller is provided with a plurality of spacer members each disposed between a plurality of laminated bodies.
- the plurality of spacer members form gaps of a predetermined size between the plurality of stacked bodies.
- each spacer member has a size that prevents sealing between the stacked bodies by the sealing material when the sealing material is applied to the outer peripheral end surfaces of the plurality of stacked bodies by the application portion. Thereby, it can prevent that a sealing material penetrates into the clearance gap between adjacent laminated bodies and a laminated body connects.
- the plurality of laminates have an application exclusion range in which no sealant is applied, and the adhesive injection device of the present invention further includes a positioning mechanism that positions the application exclusion range of each laminate at a predetermined rotational position of each laminate. Prepare.
- the positioning mechanism positions each laminate based on a notch or orientation flat formed on the substrate.
- the positioning mechanism positions the application exclusion range of each laminate at the same rotational position.
- the adhesive injection part has a container for receiving a plurality of laminated bodies.
- the adhesive injection part performs injection of the adhesive by holding the adhesive in the container and making the state where at least the application exclusion range of the plurality of laminates contact the adhesive overlap in time. .
- the contact between the application exclusion range and the adhesive is not necessarily simultaneous. This means that the contact is made in time with at least a common time width including a time lag.
- the adhesive injection part injects the adhesive between the substrates through the application exclusion range by the vacuum differential pressure method.
- the vacuum differential pressure method it is possible to shorten the time for injecting the adhesive between the substrates of the plurality of laminates by temporally overlapping the state in which at least the application exclusion range of the plurality of laminates is in contact with the adhesive. .
- the adhesive injection device of the present invention further includes an adhesive wiping portion that removes excess adhesive adhered to the application exclusion range of the plurality of laminates.
- the adhesive injection device of the present invention further includes a seal material curing unit that cures the seal material applied by the application unit.
- the adhesive injection device of the present invention further includes an adhesive preparation chamber for preparing an adhesive used in the adhesive injection portion.
- the adhesive injection device of the invention includes an application part, a sealing material curing part, an adhesive injection part, and an adhesive preparation chamber arranged in-line.
- the sealing material is applied to the outer peripheral edge of multiple laminates, the applied sealing material is cured to form a seal, and an adhesive is injected between the substrates formed by the seal.
- the adhesive injection processing to be performed can be continuously performed as the laminate is moved.
- a plurality of laminates can be handled integrally by holding a plurality of laminates in a cassette, and a plurality of laminates can be used in an application chamber, a seal curing chamber, and an adhesive injection chamber. Can be processed with temporal overlap.
- in the coating chamber it is possible to easily align the inlets of a plurality of laminated bodies.
- each laminate can be aligned by rotating the laminate in the cassette, and the phase of the inlet provided in the laminate can be matched. This alignment can be performed with the cassette installed in the processing chamber.
- the adhesive wiping chamber for removing excess adhesive adhered to the inlets of the plurality of laminates is provided, and the adhesive wiping chamber is disposed on the downstream side of the inline-arranged adhesive injection chamber. To do. By disposing this adhesive wiping chamber downstream of the inline adhesive injection chamber, it is possible to remove excess adhesive adhering to the vicinity of the injection port in the adhesive injection processing performed in the adhesive injection chamber. Contamination of a plurality of laminated bodies arranged in the cassette can be reduced.
- the adhesive injection device of the present invention it is possible to facilitate the processing of a plurality of stacked bodies in the injection process of the adhesive into the stacked body in the manufacture of a semiconductor device or a semiconductor circuit device. .
- a wafer is used as a substrate, and a laminated wafer is described as an example of a laminated body.
- the substrate is not limited to a wafer and can be a liquid crystal substrate or a circuit board. And a structure in which circuit boards are stacked.
- FIG. 1 is a schematic diagram for explaining an outline of manufacturing a three-dimensional stacked semiconductor device.
- the stacked semiconductor device adheres the stacked wafer by injecting an adhesive in a gap between the portion of the stacked wafer on which the seal is formed and a seal forming step for forming a seal on the outer peripheral end surface of the stacked wafer. And performing a bonding process.
- FIG. 1 shows an example in which a seal formation process and an adhesion process are arranged in an inline manner.
- the seal forming process is performed by the seal application unit 3 and the seal curing unit 4, and the bonding process is performed by the adhesive injection unit 6 arranged on the downstream side of the seal curing unit 4.
- the seal application unit 3 includes a coating device in the seal coating chamber 30, the seal curing unit 4 includes a curing device in the seal curing chamber 40, and the adhesive injection unit 6 injects an adhesive into the adhesive injection chamber 60.
- Equipment. Gate valves 11 and 112 are provided between the processing units of the seal application chamber 30, the seal curing chamber 40, and the adhesive injection chamber 60.
- Gate valves 110 and 113 are provided between the seal application chamber 30 and the outside air, and between the adhesive injection chamber 60 and the outside air.
- the seal application unit 3 introduces the laminated wafer 10 into the seal application chamber 30 through the gate valve 110, and applies a sealant resin to the outer peripheral end face of the introduced laminated wafer 10 to form a seal.
- the seal curing unit 4 introduces the laminated wafer 10 on which the seal is formed through the gate valve 111 into the seal curing chamber 40, and cures the resin of the introduced sealing material of the laminated wafer 10 by the seal curing device 41. Thereby, the resin of the applied sealing material is cured to form a seal.
- This seal detects a boundary portion in order to form a pressure difference for introducing an insulating resin, which is a sealing material, between adjacent wafers of a laminated wafer by a differential pressure method.
- the seal curing unit 4 introduces the laminated wafer 10 whose seal has been cured through the gate valve 112 into the adhesive injection chamber 60 of the adhesive injection unit 6, and injects the adhesive 61 between the introduced laminated wafers 10. To do.
- the laminated wafer 10 into which the adhesive 61 has been introduced is led out to the outside air through the gate valve 113 of the adhesive injection chamber 60.
- the adhesive injection chamber 60 includes a vacuum exhaust pump 64 that evacuates the adhesive injection chamber 60 and a gas introduction portion 65 that introduces a gas such as N 2 gas to return the adhesive injection chamber 607 to the atmosphere.
- the adhesive injection part 6 is obtained by a vacuum differential pressure method using a pressure difference between a vacuum state caused by evacuation of the vacuum evacuation pump 64 and a pressure state caused by gas introduction of the gas introduction part 65 or a pressure state caused by pressure exceeding the atmospheric pressure. An adhesive is introduced into the gap between the wafers of the laminated wafer 10.
- the seal application chamber 30 includes an elevating unit 33 that moves up and down a container holding an insulating resin as a sealing material
- the adhesive injection chamber 60 is an elevating unit that moves up and down a container holding an insulating resin of an adhesive. 63.
- the laminated wafer 10 is held in a cassette in each process such as a seal forming process (seal application process, seal curing process) and an adhesion process (adhesive injection process, adhesive curing process) performed on the laminated wafer 10.
- This cassette is used as a unit. Thereby, a plurality of laminated wafers can be collectively processed.
- FIG. 2 is a view for explaining the cassette of the present invention. Note that the cassette shown in FIG. 2 is an example, and the present invention is not limited to this configuration.
- the cassette 100 includes two frames 100a and 100b that sandwich the laminated wafer 10 in the front-rear direction in the axial direction, and connecting members (100c to 100d) that connect the two frames 100a and 100b.
- the connecting members (100c to 100d) can connect the frames 100a and 100b, hold the laminated wafer 10 in the cassette 100, and can also serve as a rotating roller for rotating the laminated wafer 10.
- FIG. 2 shows a driving roller 100c that transmits a rotational driving force to the laminated wafer 10, a driven roller 100d that rotatably supports the laminated wafer 10, and rotates according to the rotational driving of the driving roller 100c, and a laminated member.
- maintains by pressing the wafer 10 with respect to the driving roller 100c and the driven roller 100d is shown.
- the driving roller 100c is a rotating roller that rotates around an axis extending in the arrangement direction of the plurality of laminated wafers 10, and rotates the laminated wafer 10 by rotating the rotating roller. Below, this rotary roller is demonstrated by the name of a drive roller.
- FIG. 2A shows a configuration of only the cassette 100
- FIG. 2B shows a state in which the laminated wafer 10 is held on the cassette 100.
- the driving roller 100c is driven by a driving mechanism (not shown) and rotationally drives the laminated wafer 10 to be supported.
- the driven roller 100d rotates according to the rotation of the rotating laminated wafer 10.
- the driven roller 100d may be driven by being connected to the drive roller 100c via a transmission mechanism (not shown) or may be driven to rotate by a drive mechanism (not shown).
- the pressing roller 100e can be moved toward and away from the installed laminated wafer 10, and in FIG. 2, the laminated wafer 10 is brought into contact with the upper side and pressed against the driving roller 100c and the driven roller 100d to thereby obtain the laminated wafer. 10 can be held in the cassette 100. Although a mechanism for pressing the pressing roller 100e against the laminated wafer is not shown in FIG. 2, it can be pressed by, for example, a pressing spring.
- FIG. 3 and 4 are diagrams for explaining the outline of the operation of the adhesive injection device of the present invention.
- FIG. 3 shows a flowchart
- FIG. 4 shows an example of each state of operation.
- This seal forming step includes a step of applying a sealing material resin to the outer peripheral end surface of the laminated wafer 10 (FIG. 4A) (S1a), and a step of curing the applied sealing material resin (FIG. 4B). (S1b).
- the sealing resin 41 is cured by the seal curing device 41.
- the seal curing device 41 is cured by irradiating ultraviolet rays, and when the resin is a thermosetting resin, it is cured by heating (S1).
- an adhesive made of an insulating resin is injected between the laminated wafers 10.
- the adhesive is injected by evacuating the container containing the laminated wafer 10 with a vacuum pump (S2a), bringing the adhesive into contact with the laminated wafer 10 by contacting the adhesive (S2b), and then placing N into the container. 2
- the internal pressure is released to atmospheric pressure or pressurized to a pressure higher than atmospheric pressure, and the wetted adhesive is applied to the inside of the laminated wafer 10 by using the differential pressure inside and outside the laminated wafer 10.
- the adhesive may be heated to lower the viscosity of the adhesive (S2c).
- the adhesive 61 is injected between the wafers of the laminated wafer 10 (S2).
- the adhesive can be wiped by bringing the wiping material of the wiping device 81 into contact with the inlet of the laminated wafer 10 (FIG. 4D) (S3). After the excess adhesive is wiped off, the injected adhesive is cured to bond the laminated wafer.
- the adhesive can be cured by heating, for example (FIG. 4 (e)) (S4).
- the laminated wafer 10 is taken out from the adhesive injection device (S5).
- these steps for the laminated wafer 10 are performed in units of cassettes with a plurality of laminated wafers 10 attached to the cassette 100.
- This configuration example is an example in which the outer peripheral end face of the laminated wafer is continuously sealed by bringing a coating roller into which a sealing material resin has penetrated into contact with the outer peripheral end face of the laminated wafer, and rotating the laminated wafer.
- FIG. 5 is a schematic plan view of the configuration example
- FIG. 6 is a schematic perspective view of the configuration example.
- the seal application unit 3 introduces the laminated wafer 10 held in the cassette 100 and applies a sealant resin to the outer peripheral end face of the laminated wafer 10.
- the laminated wafer 10 is placed on the driving roller 100c and the driven roller 100d of the cassette 100, and pressed and held downward by the pressing roller 100e.
- the pressing roller 100e presses the laminated wafer 10 downward by a pressing spring 35, for example.
- the driven roller 100d may be a driving roller.
- the laminated wafer 10 is axially rotated by a driving roller 100c driven by a driving mechanism (not shown).
- the pressing roller 100e is provided with a plurality of spacer members 100f, and each spacer member is disposed between the plurality of laminated wafers 10.
- the plurality of spacer members 100 f form gaps of a predetermined size between the plurality of laminated wafers 10.
- the thickness dimension of each spacer member 100f has a size that prevents sealing between the laminated wafers 10 by the sealing material when the sealing material is applied to the outer peripheral end surfaces of the plurality of laminated wafers 10 by the seal application unit 3. Accordingly, it is possible to prevent the sealing material from penetrating into the gap between the adjacent laminated wafers 10 and connecting the laminated wafers 10.
- the seal application unit 3 includes an application roller 34 as a contact member that contacts the outer peripheral end surface 11 of the laminated wafer 10 and applies the resin of the seal material.
- the container 32 holding the resin 31 of a sealing material is provided. A part of the application roller 34 is immersed in the resin 31 of the sealing material held in the container 32 to impregnate or adhere the resin of the sealing material to the roller surface.
- the seal application unit 3 rotates the laminated wafer 10 by the driving roller 100c, the driven roller 100e, and the pressing roller 100f, and presses the application roller 34 against a part of the outer peripheral end surface 11 of the laminated wafer 10. Since the resin of the sealing material 31 is impregnated or adhered to the roller surface of the application roller 34, the resin of the sealing material is removed from the roller surface to the outer periphery by bringing the application roller 34 into contact with the outer peripheral end surface 11 of the laminated wafer 10. It is transferred to the end surface 11 and resin is applied to the outer peripheral end surface 11.
- the contact member that contacts the outer peripheral end surface 11 of the laminated wafer 10 and applies the resin of the sealing material is not limited to the application roller.
- the flexible member has a porous outer surface impregnated with at least the resin of the sealing material. It is good. By immersing this member in the resin 31 of the sealing material held in the container 32, the porous portion is impregnated with the resin of the sealing material and infiltrated and brought into contact with the outer peripheral end surface 11 of the laminated wafer 10, thereby making the porous
- the resin of the sealing material impregnated with the quality can be applied to the outer peripheral end face.
- the laminated wafer 10 is attached to the seal application unit 3 (S11), and the laminated wafer 10 is positioned.
- the positioning of the laminated wafer 10 can be performed using the notch 14 or the orientation flat 15 provided on the laminated wafer 10.
- FIGS. 8A to 8D show a state in which the laminated wafer 10 is positioned.
- the laminated wafer 10 is provided with a notch 14 or an orientation flat 15.
- FIG. 5 although the example which provided the notch 14 and the orientation flat 15 was shown, it can be set as the structure provided with either one.
- the seal provided on the outer peripheral end surface 11 of the laminated wafer 10 is a constituent member that surrounds the outer peripheral portion of the wafer in order to inject an adhesive into the gap between the wafers by a pressure difference by a vacuum differential pressure method.
- this seal is applied with a resin for the sealing material in order to form a part for applying the resin for the sealing material (application range 12) and an injection port 16 for injecting the adhesive into the inside.
- a portion not to be applied (application exclusion range 13). Therefore, it is necessary for the laminated wafer 10 to position the laminated wafer 10 in order to distinguish the portion where the resin of the sealing material is applied and the portion where the resin is not applied.
- This positioning can be performed by detecting the position of the laminated wafer using the notch 14 or orientation flat 15 in addition to aligning the notch 14 or orientation flat 15 with the corresponding portion provided on the drive mechanism side. .
- FIG. 8 shows an example in which the position of the notch 14 or the orientation flat 15 is the position of the injection port 16 or the application exclusion range 13, but the notch 14 or the orientation flat 15 and the injection port 16 or the application exclusion range 13 The positional relationship can be arbitrarily determined.
- FIG. 8 shows an example in which the position of the notch 14 is used as the starting point 37a for applying the sealing material.
- the laminated wafer 10 is rotated by the driving roller 100c so that the start point 37a of application of the sealing material is, for example, above the application roller (not shown). Position the rotational position.
- each phase of the plurality of laminated wafers 10 is matched using the notch 14 or the orientation flat 15.
- FIG. 8C shows a state before the phase is matched
- FIG. 8D shows a state after the phase is matched.
- the phase of each laminated wafer 10 is adjusted by aligning the position of the notch 14 with the positioning member 17.
- the positioning material constitutes a positioning mechanism for matching the phases of the plurality of laminated wafers 10 (S12).
- the application roller 34 is raised by a raising mechanism (not shown) and brought into contact with the start point 37a of the laminated wafer 10 (S13a).
- the laminated wafer 10 After contacting the starting point 37a of the laminated wafer 10, the laminated wafer 10 is rotated by the drive roller 100c, and the sealing material resin 31 is transferred from the coating roller 34 to the outer peripheral end face 11 of the laminated wafer 10 (S13b).
- the resin 31 is applied to a predetermined position while rotating the laminated wafer 10. As a result, on the outer peripheral end face 11 of the laminated wafer 10, the sealant resin 31 is applied to the application range 12, and the sealant resin 31 is not applied to the application exclusion range (S13c).
- the application roller 34 is moved from the outer peripheral end surface 11 of the laminated wafer 10 by an elevating mechanism (not shown) to separate the application roller 34 from the outer peripheral end surface 11 of the laminated wafer 10 (S13d).
- a coating process is performed by S13a to S13d (S13).
- the resin of the sealing material is applied to the outer peripheral end surface 11 of the laminated wafer 10, and then the laminated wafer 10 is moved to the seal curing unit 4.
- the resin applied to the laminated wafer 10 is cured.
- the resin is an ultraviolet curable resin
- the resin is cured by irradiation with ultraviolet rays
- the resin is a thermosetting resin
- the resin is cured by heating (S14).
- the laminated wafer is taken out from the seal forming apparatus (S15), and then an adhesive is injected into the gap between the wafers of the laminated wafer to adhere the wafer.
- FIG. 9 is a schematic plan view of the configuration example
- FIG. 10 is a schematic perspective view of the configuration example.
- the adhesive injection unit 6 introduces the laminated wafer 10 held in the cassette 100 and injects the adhesive between the wafers of the laminated wafer 10 in which the sealing resin 31 is formed on the outer peripheral end surface. To do.
- the laminated wafer 10 is mounted in the adhesive injection chamber 60 with the injection port 16 positioned in the cassette 100 at the lower position. At this time, the phase alignment of the plurality of laminated wafers 10 is completed in the seal application unit 3.
- the adhesive injection unit 6 includes a container 62 that holds an insulating resin of the adhesive 61 in order to inject the adhesive in contact with the injection port 16 of the laminated wafer 10.
- the adhesive injection chamber 60 includes a vacuum pump 64 that depressurizes the inside to a vacuum, and a gas introduction unit 65 that introduces a gas to return or pressurize the inside.
- the container 62 can be moved up and down by an elevating part 63. By raising the container 62, the adhesive 61 is brought into contact with the inlet 16 of the laminated wafer 10, and by lowering the container 62, the adhesive 61 Can be separated from the inlet 16 of the laminated wafer 10.
- the inside of the adhesive injection chamber 60 is evacuated by the vacuum exhaust pump 64 (S21).
- the laminated wafer 10 in which the seal is formed on the outer peripheral end face by the seal forming step is introduced into the adhesive injection chamber 60 (S22), and the cassette 100 is positioned in the adhesive injection chamber 60 to position the laminated wafer 10 ( FIG. 12 (a)) (S23).
- the gap between the wafers of the laminated wafer 10 is also in a vacuum state.
- the raising / lowering unit 63 is driven to raise the container 62, and the liquid of the adhesive 61 is brought into contact with the inlet 16 of the laminated wafer 10 (FIG. 12B) (S24).
- N 2 gas is introduced into the adhesive injection chamber 60 by the gas introduction unit 65, and the pressure in the adhesive injection chamber 60 is increased to atmospheric pressure or a pressure higher than atmospheric pressure.
- a pressure difference is caused between the inside and outside of the laminated wafer 10 by the pressure increase in the container due to this gas introduction. Due to this pressure difference, the resin of the adhesive 61 penetrates into the gaps between the wafers of the laminated wafer 10, and the adhesive can be injected. At this time, the adhesive 61 is heated to lower the viscosity of the adhesive 61, thereby facilitating the injection of the adhesive 61 (FIG. 12C) (S25).
- the elevating unit 63 is driven to lower the container 62, and the adhesive 61 is separated from the injection port 16 of the laminated wafer 10 (S26).
- the laminated wafer 10 into which the adhesive 61 has been injected is moved into the wiping chamber 80 of the wiping unit 8 while being held in the cassette 100 (S27).
- FIG. 13 is a diagram for explaining a configuration example of the wiping unit 8.
- the wiping unit 6 includes a wiping device 81 for wiping off excess adhesive adhering to the inlet 16 of the laminated wafer 10.
- the wiping device 81 is attached to the injection port 16 by, for example, attaching a wiping material 82 in an endlessly rotatable manner between two rollers, and contacting the injection port 16 of the laminated wafer 10 while rotating the wiping material 82. Wipe off any excess adhesive.
- the wiping device 81 can be moved up and down by an elevating unit (not shown). By lifting the wiping device 81, the wiping material is brought into contact with the inlet 16 of the laminated wafer 10 (S27), and the wiping material is rotated. The excess adhesive is wiped off (S28). After wiping off, the wiping device 81 is lowered and the cassette 100 is taken out from the wiping chamber 80 to take out the laminated wafer 10 (S29).
- a plurality of adhesive injection chambers 60 ⁇ / b> A and 60 ⁇ / b> B are provided as the adhesive injection part 6 provided on the downstream side of the seal curing part 4.
- the adhesive injection chamber 60A is connected via a gate valve 112A, and the adhesive injection chamber 60B is connected via a gate valve 112B.
- the adhesive injection chamber 60A is a container 62A containing an adhesive 61, an elevating part 63A for moving the container 62A up and down, a vacuum pump 64A for evacuating the adhesive injection chamber 60A, and introducing gas into the adhesive injection chamber 60A.
- the adhesive injection chamber 60B includes a container 62B containing an adhesive 61, an elevating unit 63B that moves the container 62B up and down, a vacuum pump 64B that evacuates the adhesive injection chamber 60B, A gas introduction part 65B for introducing gas into the adhesive injection chamber 60B is provided.
- the laminated wafer 10 housed in the cassette 100 is introduced via the gate valves 112A and 112B.
- the processing speed of the laminated wafer depends on the speed of the adhesive injection section 6 where the processing speed is low.
- the overall processing speed of the adhesive injection device is improved by increasing the number of adhesive injection chambers 60 of the adhesive injection unit 6 having a low processing speed.
- FIG. 15 is a schematic configuration diagram for explaining the overall configuration of the adhesive injection device 1 of the present invention.
- the seal application part 3, the seal hardening part 4, the adhesive injection part 6, the wiping part 8, and the adhesive hardening part 9 described above are the respective constituent parts forming the entire adhesive injection device 1, and are shown in FIG.
- the configuration shown is one configuration example that makes the adhesive injection process more efficient.
- the adhesive injection device 1 includes a pre-processing unit 2, a seal application unit 3, a seal curing unit 4, an exhaust unit 5, an adhesive injection unit 6, and an adhesive preparation unit along the processing flow of the laminated wafer.
- wiping unit 8 adhesive curing unit 9, pretreatment chamber 20, seal coating chamber 30, seal curing chamber 40, exhaust chamber 50, adhesive injection chamber 60 and adhesive preparation chamber 70 constituting each unit, wiping
- the chamber 80 and the adhesive curing chamber 90 are arranged in-line.
- the adhesive preparation chamber 70 is arranged in parallel with the adhesive injection chamber 60, the adhesive prepared in the adhesive preparation chamber 70 is moved to the adhesive injection chamber 60, and an adhesive injection process is performed. After the injection of the adhesive to the laminated wafer 10 is completed, the adhesive is again returned to the adhesive preparation chamber 70 to prepare for the injection of the adhesive in the laminated wafer 10 held in the next cassette 100.
- the adhesive preparation chamber 70 includes a preheating chamber 70a that lowers the viscosity by heating the adhesive, and an adhesive defoaming chamber 70b that discharges bubbles in the reduced pressure adhesive.
- the adhesive injection chamber 60 includes a first adhesive injection chamber 60a and a second adhesive injection chamber 60b.
- the first adhesive injection chamber 60 a and the second adhesive injection chamber 60 b are arranged inline between the exhaust chamber 50 and the wiping chamber 80.
- the first adhesive injection chamber 60a receives the adhesive that has been degassed from the adhesive defoaming chamber 70b, and performs an adhesive injection process.
- the second adhesive injection chamber 60b is used for the injection process in the first adhesive injection chamber 60a and returns the remaining adhesive to the preheating chamber 70a.
- the preheating chamber 70a preheats the adhesive returned from the second adhesive injection chamber 60b again and sends it to the adhesive defoaming chamber 70b to perform the defoaming process.
- the adhesive circulates through the preheating chamber 70a, the adhesive defoaming chamber 70b, the first adhesive injection chamber 60a, and the second adhesive injection chamber 60b.
- the laminated wafer 10 is attached to the cassette 100 in the pretreatment chamber 20 of the pretreatment unit 2. Subsequent processing of the laminated wafer 10 is performed in a state of being attached to the cassette 100. Further, a turbo molecular pump (TMP) and an oil rotary vacuum pump (DRP) are connected to the exhaust chamber 50 of the exhaust unit 5 to reduce the pressure in preparation for the pressure in the first adhesive injection chamber 60a. An oil rotary vacuum pump (DRP) is connected to the first adhesive injection chamber 60a and the adhesive defoaming chamber 70b.
- TMP turbo molecular pump
- DRP oil rotary vacuum pump
- DRP oil rotary vacuum pump
- the preheating chamber 70a is supplied with the adhesive from the adhesive supply chamber 70c, and is replenished with the adhesive reduced by the adhesive injection.
- FIG. 16 is a flowchart for explaining an operation example of the adhesive injection device 1.
- the operation of the adhesive injection device 1 includes a seal formation process (S10), an adhesive injection process (S20), an adhesive wiping process (S30), an adhesive curing process (S40), Removal processing (S50) and adhesive preparation processing (S100).
- step (S10) the laminated wafer 10 installed in the cassette 100 is attached to the adhesive injection device 1 (S10a), and the phase of each laminated wafer is adjusted using a notch or orientation flat.
- step (S10b) a sealing material is applied to the outer peripheral end surface of the laminated wafer 10 (S10c), the applied sealing material is cured (S10d), and the laminated wafer 10 is taken out from the sealing processing apparatus in a state where it is installed in the cassette 100 ( S10e).
- the introduced adhesive (S101) is subjected to preheating treatment and defoaming treatment (S102).
- the adhesive 61 is applied to the inlet of the laminated wafer 10 by using the laminated wafer 10 sealed by the seal forming process of S10 and the adhesive 61 prepared in the preparation process (S100).
- S20a the viscosity is lowered by heating, and the adhesive 61 is injected between the wafers of the laminated wafer 10 by depressurization and release to atmospheric pressure or pressurization (S20b).
- S20c the laminated wafer 10 is separated from the adhesive 61 together with the cassette 100 (S20d).
- the laminated body composed of a plurality of substrates such as semiconductor wafers is processed in a state of being integrally held by the cassette, so that the wafer surface is exposed without being exposed to the atmosphere of the outside air. It is possible to avoid the influence of contamination such as adhesion of fine particles.
- the laminated wafer is placed in a single container.
- the increase in the injection time directly affects the increase in the manufacturing time of the semiconductor device, which causes a reduction in the production amount.
- the form of the present invention by injecting the adhesive from a part of the outer peripheral edge of the laminated wafer, even when the laminated wafer is enlarged and the injection time of the adhesive is increased, An increase in implantation time can be suppressed, an increase in manufacturing time of the semiconductor device can be prevented, and a reduction in production volume can be prevented.
- the container is evacuated to a vacuum state. It is necessary to perform defoaming to release gas from the gas, but the time required for each of these processes is different, and when the adhesive injection process is performed in an inline consistent process, the time required for the adhesive injection process This greatly affects the overall processing time, and is a factor that suppresses improvement in the productivity of manufacturing semiconductor devices.
- the time required for the adhesive injection process can be shortened, so the restriction on the productivity due to the adhesive injection process is eliminated in the integrated process of manufacturing the conductor device. can do.
- the adhesive wiping portion by providing the adhesive wiping portion, it is possible to remove the adhesive adhering to the vicinity of the injection port and remove the contamination factor of the wafer.
- this processing chamber is usually required to have a small capacity because of the need to shorten the time of evacuation, and a mechanism for aligning the inlets of a plurality of laminated wafers is arranged in this narrow space. It is difficult to do.
- the positioning mechanism of the present invention it is possible to easily align the injection ports of a plurality of laminated wafers even in a narrow space.
- the seal forming method and the seal forming apparatus of the present invention can be applied to a three-dimensional semiconductor device and a three-dimensional semiconductor circuit device.
- Adhesive injection apparatus Adhesive injection apparatus 2 Pretreatment part 3 Seal application part 4 Seal hardening part 5 Exhaust part 6 Adhesive injection part 7 Adhesive preparation part 8 Wiping part 9 Adhesive hardening part 10 Laminated wafer 10a-10n Laminated wafer 10A, 10B Wafer 10C interval 11 Wafer end face 12 Application range 13 Application exclusion range 14 Notch 15 Orientation flat 16 Injection port 17 Positioning member 18 Seal 20 Pretreatment chamber 30 Seal application chamber 31 Seal material 32 Container 33 Lifting unit 34 Application roller 35 Pressing spring 36 Scraper 37 Seal Material application unit 37a Application start unit 37b Application end unit 38 Holding roller 40 Seal curing chamber 41 Seal curing device 50 Exhaust chamber 60 Adhesive injection chamber 60a, 60b Adhesive injection chamber 61 Adhesive injection chamber 61 Adhesive injection chamber 61 Adhesive 62 Container 63 Elevating unit 64 Vacuum exhaust pump 65 Gas introduction part 70 Adhesive preparation 70a Preheating chamber 70b Adhesive def
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- Manufacturing & Machinery (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
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- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
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Abstract
Description
2 前処理部
3 シール塗布部
4 シール硬化部
5 排気部
6 接着剤注入部
7 接着剤準備部
8 拭き取り部
9 接着剤硬化部
10 積層ウェハ
10a~10n 積層ウェハ
10A,10B ウェハ
10C 間隔
11 ウェハ端面
12 塗布範囲
13 塗布除外範囲
14 ノッチ
15 オリフラ
16 注入口
17 位置決め部材
18 シール
20 前処理室
30 シール塗布室
31 シール材
32 容器
33 昇降部
34 塗布ローラ
35 押さえバネ
36 スクレーバ
37 シール材塗布部
37a 塗布開始部
37b 塗布終了部
38 保持ローラ
40 シール硬化室
41 シール硬化装置
50 排気室
60 接着剤注入室
60a,60b 接着剤注入室
61 接着剤
62 容器
63 昇降部
64 真空排気ポンプ
65 ガス導入部
70 接着剤準備室
70a 予備加熱室
70b 接着剤脱泡室
70c 接着剤供給室
80 拭き取り室
81 拭き取り装置
82 拭き取り材
90 接着剤硬化室
91 接着剤硬化装置
100 カセット
100a,100b 枠体
100c 駆動ローラ
100d 従動ローラ
100e 押さえローラ
100f スペーサ部材
110~113…仕切弁。
Claims (17)
- 互いに対向する少なくとも2枚の基板を有する積層体の前記基板間に接着剤を注入する接着剤注入装置であって、
複数の前記積層体を前記各基板の積層方向に沿って配列して保持するカセットと、
前記複数の積層体が前記カセットに保持された状態で、前記各基板間への前記接着剤の注入動作が時間的に重なり合うように前記接着剤を前記各基板間に注入する接着剤注入部とを備えることを特徴とする接着剤注入装置。 - 前記複数の積層体の外周端面にシール材を塗布する塗布部を更に備え、該塗布部は、前記シール材が付着され且つ前記各外周端面にそれぞれの少なくとも一部に接触する状態が時間的に重なり合う接触部材を有することを特徴とする請求項1に記載の接着剤注入装置。
- 前記複数の積層体は、それぞれの配列方向に沿って伸びる軸線の周りに回転自在に前記カセットに保持され、前記軸線の周りに回転することによって、前記塗布部により前記外周端面に前記シール材が塗布されることを特徴とする請求項2に記載の接着剤注入装置。
- 前記カセットは、前記複数の積層体をその配列方向の両側から挟む2つの枠体と、この枠体を連結する連結部材とを備え、
前記連結部材は、前記複数の積層体を支持することを特徴とする、請求項1乃至3のいずれか一項に記載の接着剤注入装置。 - 前記連結部材は、前記複数の積層体の配列方向に沿って伸びる軸線の周りに回転する回転ローラを有し、前記回転ローラの回転により前記積層体が回転することを特徴とする請求項1乃至4のいずれか一項に記載の接着剤注入装置。
- 前記連結部材は、前記複数の積層体を支持し、前記回転ローラの駆動に従って回転する従動ローラと、前記各積層体を前記回転ローラ及び前記従動ローラに押圧する押さえローラとを更に有することを特徴とする請求項5に記載の接着剤注入装置。
- 前記押さえローラは、前記複数の積層体に対して近接及び離隔自在であることを特徴とする請求項6に記載の接着剤注入装置。
- 前記回転ローラ、前記従動ローラ及び前記押さえローラのうち少なくとも一つには、前記複数の積層体間に所定の大きさの間隙を形成すべくそれぞれが前記複数の積層体間に配置される複数のスペーサ部材が設けられていることを特徴とする請求項6又は7に記載の接着剤注入装置。
- 前記各スペーサ部材の厚さ寸法は、前記塗布部により前記シール材が前記複数の積層体の前記外周端面に塗布されたときに、前記シール材による前記積層体間の封止を妨げる大きさを有することを特徴とする請求項8に記載の接着剤注入装置。
- 前記複数の積層体は、前記シール材が塗布されない塗布除外範囲を有し、
前記各積層体の前記塗布除外範囲をそれぞれ前記各積層体の所定の回転位置に位置決めする位置決め機構を更に備えることを特徴とする請求項3乃至9のいずれか一項に記載の接着剤注入装置。 - 前記位置決め機構は、前記基板に形成されたノッチ又はオリフラを基準にして前記各積層体の位置決めをすることを特徴とする請求項10に記載の接着剤注入装置。
- 前記位置決め機構は、前記各積層体の前記塗布除外範囲を同一の回転位置に位置決めすることを特徴とする請求項10又は11に記載の接着剤注入装置。
- 前記接着剤注入部は、前記接着剤が保持され且つ前記複数の積層体の少なくとも前記塗布除外範囲が前記接着剤に接触する状態が時間的に重なり合うように前記複数の積層体を受け入れる容器を有することを特徴とする請求項10乃至12のいずれか一項に記載の接着剤注入装置。
- 前記接着剤注入部は、前記塗布除外範囲を経て前記各基板間に前記接着剤を真空差圧法によって注入することを特徴とする請求項13に記載の接着剤注入装置。
- 前記複数の積層体の前記塗布除外範囲に付着した余剰の接着剤を除去する接着剤拭き取り部を更に備えることを特徴とする請求項10乃至14のいずれか一項に記載の接着剤注入装置。
- 前記塗布部により塗布された前記シール材を硬化させるシール材硬化部を更に備えることを特徴とする請求項2乃至15のいずれか一項に記載の接着剤注入装置。
- 前記接着剤注入部で用いられる前記接着剤を用意する接着剤準備室を更に備え、前記塗布部、前記シール材硬化部、前記接着剤注入部及び前記接着剤準備室は、インラインに配置されていることを特徴とする請求項16に記載の接着剤注入装置。
Priority Applications (3)
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US12/936,879 US8496037B2 (en) | 2008-04-08 | 2009-04-07 | Adhesive injection device |
JP2010507247A JP5273875B2 (ja) | 2008-04-08 | 2009-04-07 | 接着剤注入装置 |
CN2009801213093A CN102132376B (zh) | 2008-04-08 | 2009-04-07 | 粘合剂注入装置 |
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JP2008-100819 | 2008-04-08 | ||
JP2008100819 | 2008-04-08 |
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PCT/JP2009/057126 WO2009125763A1 (ja) | 2008-04-08 | 2009-04-07 | 接着剤注入装置 |
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JP (1) | JP5273875B2 (ja) |
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WO (1) | WO2009125763A1 (ja) |
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CN102153954A (zh) * | 2011-04-11 | 2011-08-17 | 福州华映视讯有限公司 | 多对象的黏合方法及黏合机台 |
JP2012043979A (ja) * | 2010-08-19 | 2012-03-01 | Shimadzu Corp | 回路構成体の接着剤注入装置および回路構成体の接着剤注入方法 |
JP2016149549A (ja) * | 2015-02-09 | 2016-08-18 | 株式会社松崎製作所 | 再生半導体ウエハの製造方法 |
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US20140127857A1 (en) * | 2012-11-07 | 2014-05-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Carrier Wafers, Methods of Manufacture Thereof, and Packaging Methods |
CN107764613B (zh) * | 2016-08-22 | 2020-08-14 | 中车株洲电力机车研究所有限公司 | 用于制备导热系数测定试样的方法 |
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CN102153954A (zh) * | 2011-04-11 | 2011-08-17 | 福州华映视讯有限公司 | 多对象的黏合方法及黏合机台 |
CN102153954B (zh) * | 2011-04-11 | 2013-11-20 | 福州华映视讯有限公司 | 多对象的黏合方法及黏合机台 |
JP2016149549A (ja) * | 2015-02-09 | 2016-08-18 | 株式会社松崎製作所 | 再生半導体ウエハの製造方法 |
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CN102132376B (zh) | 2013-04-24 |
JP5273875B2 (ja) | 2013-08-28 |
JPWO2009125763A1 (ja) | 2011-08-04 |
US8496037B2 (en) | 2013-07-30 |
CN102132376A (zh) | 2011-07-20 |
US20110155327A1 (en) | 2011-06-30 |
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