WO2015079990A1 - 実装装置および実装方法 - Google Patents
実装装置および実装方法 Download PDFInfo
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- WO2015079990A1 WO2015079990A1 PCT/JP2014/080607 JP2014080607W WO2015079990A1 WO 2015079990 A1 WO2015079990 A1 WO 2015079990A1 JP 2014080607 W JP2014080607 W JP 2014080607W WO 2015079990 A1 WO2015079990 A1 WO 2015079990A1
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/36—Assembling printed circuits with other printed circuits
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/13—Mountings, e.g. non-detachable insulating substrates characterised by the shape
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/75—Apparatus for connecting with bump connectors or layer connectors
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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- 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
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/10—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers
- H01L25/105—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in group H01L27/00
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/046—Surface mounting
- H05K13/0465—Surface mounting by soldering
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- 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
- H01L2225/10—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers
- H01L2225/1005—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/1011—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00 the containers being in a stacked arrangement
- H01L2225/1017—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00 the containers being in a stacked arrangement the lowermost container comprising a device support
- H01L2225/1023—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00 the containers being in a stacked arrangement the lowermost container comprising a device support the support being an insulating substrate
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- 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
- H01L2225/10—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers
- H01L2225/1005—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/1011—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00 the containers being in a stacked arrangement
- H01L2225/1047—Details of electrical connections between containers
- H01L2225/1058—Bump or bump-like electrical connections, e.g. balls, pillars, posts
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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
- H01L2225/10—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers
- H01L2225/1005—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00
- H01L2225/1011—All the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/648 and H10K99/00 the devices having separate containers the devices being of a type provided for in group H01L27/00 the containers being in a stacked arrangement
- H01L2225/1076—Shape of the containers
- H01L2225/1088—Arrangements to limit the height of the assembly
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10507—Involving several components
- H05K2201/10515—Stacked components
Definitions
- the present invention relates to a mounting apparatus and a mounting method for further stacking a sub board on a board on which a semiconductor chip is mounted.
- FIG. 7 is a schematic side view of the component-embedded substrate.
- a semiconductor chip 51 is flip-chip connected to the base substrate 50, and electrode pads 54 that can be connected to the sub-substrate 52 and solder bumps 53 are arranged around the semiconductor chip 51. ing. After the sub substrate 52 and the base substrate 50 are aligned, the solder bumps 53 and the electrode pads 54 are soldered together by a thermocompression bonding method.
- a gap between the base substrate 50 and the semiconductor chip 51 is filled with a resin 55 (for example, a semiconductor package shown in Patent Document 1).
- FIG. 8 is a schematic perspective view of the base substrate 50 and the sub substrate 52.
- a plurality of semiconductor chips 51 are mounted on the base substrate 50.
- the sub-board 52 is mounted so as to cover each of the plurality of semiconductor chips 51.
- the mounting area of the base substrate 50 corresponding to the sub substrate 52 is referred to as a mounting block.
- the first mounting block 301 and the second mounting block 302 are provided on the base substrate 50.
- the base board 50 is held by suction on the board stage 60.
- a schematic plan view of the substrate stage 60 is shown in FIG.
- the substrate stage 60 is divided into blocks such as a first block 61 and a second block 63 corresponding to the mounting blocks of the sub-substrate 52.
- the first stage heater 62 and the second stage heater 64 are included in each block. Is embedded.
- FIG. 10 shows a mounting cycle when the sub board 52 is mounted in the order of the first mounting block 301 and the second mounting block 302.
- the temperature of the first stage heater 62 of the first block 61 is raised, and pressurization and heating are performed for a predetermined time. Thereafter, the first stage heater 62 is turned off and natural cooling is started.
- the solder bumps 53 provided on the sub-board 52 are cooled from the melting temperature to the solid phase temperature or lower.
- the temperature of the second stage heater 64 embedded in the second block 63 adjacent to the first block 61 is started. Similar to the first mounting block 301, the sub-board 52 is pressurized and heated to the second mounting block 302 for a predetermined time.
- the second stage heater 64 is turned off, and natural cooling is started.
- the base substrate 50 is discharged (unloaded) from the substrate stage 60.
- a flux 56 is applied to the electrode pads 54 of the base substrate 50 in order to remove the oxide film on the metal surface at the time of solder bonding and perform good solder bonding. Since the flux 56 is volatile, it must be kept at a temperature that does not volatilize before soldering. Therefore, after the substrate stage 60 is naturally cooled to a temperature at which the flux 56 does not volatilize or lower, a new base substrate 50 can be loaded (loaded) into the substrate stage 60.
- the mounting cycle on one base substrate 50 is the solder bonding time of the first mounting block 301 + the solder bonding time of the second mounting block 302 + the cooling time of the substrate stage 60 (the temperature at which the flux does not volatilize). Time). It should be noted that the time required to turn off the stage heater once heated to reach a temperature below the temperature at which the flux does not volatilize due to natural cooling and the time required for mounting on one mounting block are approximately the same.
- the next base substrate cannot be loaded (carryed in) until the substrate stage 60 is at a temperature at which the flux is not volatilized, so that there is a problem that the mounting cycle time becomes long and productivity does not increase.
- an object of the present invention is to provide a mounting apparatus and a mounting method that reduce mounting cycle time and improve productivity when mounting a sub-board for each of a plurality of mounting blocks provided on a board by a soldering method. I will do it.
- the board carry-in area and the board carry-out area are sections corresponding to the board mounting blocks, and are separated by blocks.
- Each block is composed of a block having heating means capable of heating to a temperature at which the solder melts, and a block maintained at a temperature at which the flux does not volatilize or less, In the substrate carry-in area, provided with at least one block kept at a temperature at which the flux does not evaporate or less, After the board is put into the board carry-in area, all the heating means in the board carry-in area are provided after the sub-board is soldered to the mounting block of the board corresponding to the block other than the block maintained at a temperature at which the flux does not volatilize.
- the mounting apparatus includes control means for turning off the block, moving the board to the board carry-out area, and soldering the sub board to the mounting block on which the sub board is not mounted.
- the substrate stage is provided with the substrate carry-in area and the substrate carry-out area, and includes the substrate moving means for moving the substrate from the substrate carry-in area to the substrate carry-out area.
- the block having all the heating means in the board carry-in area is turned off, and the board is put on the board. Since the sub-board is moved to the carry-out area and the sub-board is soldered to the mounting block on which the sub-board is not mounted, each block in the board carry-in area can be kept at a temperature at which the flux does not evaporate.
- the mounting cycle time can be shortened and the productivity can be improved.
- the block provided with the heating means is turned off, the flux is cooled to a temperature at which the flux is not volatilized in one soldering time.
- the invention according to claim 2 is the mounting apparatus according to claim 1,
- the mounting apparatus includes a block in which a board carry-in area and a board carry-out area are arranged in series, and the temperature is maintained at a temperature at which the flux does not volatilize in a common area of the board carry-in area and the board carry-out area.
- the board carry-in area and the board carry-out area are provided, after the sub-board is soldered to the last mounting block of the board in the board carry-out area, the board is discharged. If it carries out, each block of a board
- the invention according to claim 3 is the mounting apparatus according to claim 1,
- a mounting apparatus having a control means for controlling that a substrate carrying-in area and a board carrying-out area are arranged in series or in parallel, and that a new board is put into the board carrying-in area while the sub board is soldered to the board in the board carrying-out area. is there.
- the mounting cycle time on one substrate can be shortened.
- the invention according to claim 4 is the mounting apparatus according to claim 2 or 3, It is a mounting apparatus provided with heating means for heating the sub-board to the pressurizing means.
- the pressurizing means is provided with the heating means, the sub-board is heated from the substrate stage and the pressurizing means, and the sub-board can be soldered in a short time.
- the invention according to claim 5 is the mounting apparatus according to claim 4, It is a mounting apparatus provided with a cooling means as a heating means of the substrate stage.
- the heating means of the substrate stage is provided with the cooling means, so the heated book can be cooled more quickly by the cooling means, so the mounting cycle on one board can be reduced. It can be shortened.
- the board carry-in area and the board carry-out area are sections corresponding to the board mounting blocks, and are separated by blocks.
- Each block is composed of a block having heating means capable of heating to a temperature at which the solder melts, and a block maintained at a temperature at which the flux does not volatilize or less, Using a mounting device provided with at least one block maintained at a temperature at which the flux does not volatilize or less in the board carry-in area, Loading the substrate into the substrate loading area; Soldering the sub-board to the mounting block of the board corresponding to the block other than the block maintained at a temperature at which the flux does not volatilize; Turning off the block comprising all heating means in the substrate loading area; Moving the substrate to the substrate unloading area; Soldering the sub-board to a mounting block on which the sub-board is not mounted; Paying out the board in which the sub-board is solder-bonded to all mounting blocks from the board carry-out area; Is a mounting method.
- each block in the board carry-in area can be maintained at a temperature at which the flux does not evaporate after the sub-board is soldered to the mounting block not mounted in the board carry-out area.
- a new substrate can be loaded into the substrate carry-in area. Therefore, the mounting cycle time of the sub board on one board can be shortened.
- the present invention it is possible to provide a mounting apparatus and a mounting method that can shorten the mounting cycle time and improve the productivity when the sub-board is mounted by a soldering method for each of a plurality of mounting blocks provided on the board. it can.
- FIG. 3 is a schematic plan view of a substrate stage in which a part of the blocks of the substrate carry-in area and the substrate carry-out area are common blocks. It is a schematic plan view of the substrate stage used when there are n mounting blocks on the substrate. It is a schematic side view of a component embedding board. It is a schematic perspective view of a base substrate and a sub board
- FIG. 1 is a schematic side view of a mounting apparatus 1 according to the present invention.
- the left-right direction toward the mounting apparatus 1 is the X axis
- the front-rear direction is the Y axis
- the axis perpendicular to the XY plane composed of the X axis and the Y axis is the Z axis (vertical direction)
- ⁇ around the Z axis Axis is the left-right direction toward the mounting apparatus 1 .
- the left-right direction toward the mounting apparatus 1 is the X axis
- the front-rear direction is the Y axis
- the axis perpendicular to the XY plane composed of the X axis and the Y axis is the Z axis (vertical direction)
- ⁇ around the Z axis Axis is the left-right direction toward the mounting apparatus 1 .
- the mounting apparatus 1 includes a substrate stage 60 that sucks and holds the base substrate 50, a bonding head 8 that sucks and holds the sub substrate 52, and a two-field camera 13 that recognizes alignment marks provided on the sub substrate 52 and the base substrate 50. And a control unit 20 that controls the entire mounting apparatus 1.
- the substrate stage 60 is connected to a suction means such as a suction pump (not shown) and piping, and can hold the base substrate 50 on the substrate stage 60 by suction. Further, the substrate stage 60 is movable in the horizontal direction (XY direction).
- a suction means such as a suction pump (not shown) and piping, and can hold the base substrate 50 on the substrate stage 60 by suction. Further, the substrate stage 60 is movable in the horizontal direction (XY direction).
- FIG. 2 shows a schematic plan view of the substrate stage 60.
- the substrate stage 60 is divided into a substrate carry-in area 60A and a substrate carry-out area 60B.
- the base substrate 50 on which the sub substrate 52 is not mounted is loaded into the substrate loading area 60A.
- a substrate moving jig 25 is used to move the base substrate 50 from the substrate carry-in area 60A to the substrate carry-out area 60B.
- the substrate moving jig 25 includes, for example, an arm 26 that holds both sides of the base substrate 50 and a slider 27 that horizontally moves the arm 26.
- the substrate moving jig 25 corresponds to the substrate moving means of the present invention.
- the board carry-in area 60 ⁇ / b> A and the board carry-out area 60 ⁇ / b> B are divided into blocks corresponding to the mounting blocks of the base board 50.
- FIG. 2 shows an example of the substrate stage 60 when there are two mounting blocks of the base substrate 50.
- the blocks on the substrate carry-in area 60A side are referred to as a first block 61A and a second block 63A, respectively.
- the mounting blocks on the board carry-out area 60B side are referred to as a first block 61B and a second block 63B, respectively.
- Stage heaters for heating the mounting block are arranged at two locations, and the first stage heater 62 is embedded in the first block 60A and the second stage heater 64 is embedded in the second block 63B, respectively.
- the first stage heater 62 and the second stage heater 64 can be heated to a temperature at which the solder can be melted when the sub-board 52 is soldered to the base board 50.
- the stage heater is not embedded in the second block 63A on the substrate carry-in area 60A side and the first block 61B on the substrate carry-out area 60B side, and the flux 56 applied to the electrode pads 54 of the base substrate 50 does not volatilize. It is kept below the temperature.
- the bonding head 8 is movable in the Z-axis direction and the ⁇ -axis direction, and can suck and hold the sub-board 52 and pressurize and heat the mounting block of the base board 50.
- the bonding head 8 is connected to suction means such as a suction pump (not shown) and a pipe so that the sub-board 52 can be sucked and held.
- suction means such as a suction pump (not shown) and a pipe so that the sub-board 52 can be sucked and held.
- the bonding head 8 corresponds to the pressing means of the present invention.
- the base substrate 50 and the sub-substrate 52 are configured to solder-bond solder bumps 53 onto which the flux 56 has been transferred to electrode pads 54 provided on the base substrate 50.
- the base substrate 50 is provided with a first mounting block 301 and a second mounting block 302 as mounting blocks as shown in FIG.
- the base substrate 50 corresponds to the substrate of the present invention.
- the base substrate 50 is loaded (loaded) into the substrate loading area 60A of the substrate stage 60 (step SP01).
- the substrate stage 60 is moved so that the first block 61A is positioned below the bonding head 8 (step SP02).
- the two-field camera 13 is inserted between the bonding head 8 holding the sub substrate 52 by suction and the base substrate 50, and the first mounting block 301 of the base substrate 50 and the sub substrate 52 are aligned (step SP03). ).
- step SP04 the temperature of the first stage heater 62 embedded in the first block 61A is raised.
- step SP05 the bonding head 8 is lowered to press the sub-board 52 against the first mounting block 301 of the base board 50. Due to the heating from the first stage heater 62, the melting of the solder bumps 53 of the sub-board 52 starts (step SP05).
- step SP06 Natural cooling of the solid phase of the solder bump 53 and the first block 61A is started (step SP06).
- the base substrate 60 is moved from the substrate carry-in area 60A to the substrate carry-out area 60B by using the substrate moving jig 25. Since the first block 61B in the board carry-out area 60B is maintained at a temperature at which the flux 56 does not volatilize or lower, the first mounting block 301 to which the sub board 52 of the base board 60 is soldered continues to be cooled (step SP07).
- the substrate stage 60 is moved horizontally so that the second block 63B of the substrate carry-out area 60B comes below the bonding head 8 (step SP08).
- the two-view camera 13 is inserted between the bonding head 8 that holds the sub-board 52 by suction and the base board 50, and the second mounting block 302 of the base board 50 and the sub-board 52 are aligned (step SP09). ).
- step SP10 the temperature of the second stage heater 64 embedded in the second block 63B is raised.
- step SP11 the bonding head 8 is lowered to press the sub-board 52 against the second mounting block 302 of the base board 50. Due to the heating from the second stage heater 64, the melting of the solder bumps 53 of the sub-board 52 starts (step SP11).
- step SP12 After pressurizing the base substrate 50 for a predetermined time, the suction holding of the sub-substrate 52 is released, the bonding head 8 is raised, and the second stage heater 64 of the second block 63B is turned off. Natural cooling of the solid phase of the solder bump 53 and the second block 63B is started (step SP12).
- a new base substrate 50 is loaded (loaded) into the substrate loading area 60A.
- the first block 61A and the second block 63A in the substrate carry-in area 60A are at a temperature at which the flux 56 is not volatilized between step SP10 and step SP12. Therefore, even if a new base substrate 50 is introduced (carrying in), the flux 56 applied to the electrode pad 54 does not volatilize. Accordingly, a new base substrate 50 can be loaded (carrying in) without waiting for a temperature below the temperature at which the second block 63B does not volatilize the flux 56, so that one mounting cycle of the base substrate 50 can be shortened ( Step SP13).
- the base substrate 50 to which the sub substrate 52 is solder-bonded is discharged (unloaded) from the substrate unloading area 60B (step SP14).
- step SP02 the process returns to step SP02, and the solder bonding of the sub board 52 to the new base board 50 is continued.
- FIG. 4 shows the mounting cycle when such a mounting procedure is performed.
- FIG. 4 shows the mounting time of the sub-board 52 on the base board 50 on the horizontal axis, and the vertical axis shows the temperature profile of the temperature rise and cooling of each stage heater.
- the mounting time for one board is the sum of the first mounting block 301 and the second mounting block 302. This is because the mounting work of the sub-board 52 on the new base board 50 can be started as soon as the solder bonding in the second mounting block 302 is completed, so that the mounting time can be shortened compared to the conventional mounting cycle. become.
- the substrate carry-in area 60A and the substrate carry-out area 60B are arranged in series, and a block maintained at a temperature at which the flux 56 does not evaporate is a common area of the substrate carry-in area 60A and the substrate carry-out area 60B.
- the substrate stage 60 in the case of being provided is shown (the substrate carry-in area 60A is indicated by a one-dot chain line, and the substrate carry-out area 60B is indicated by a two-dot chain line).
- symbol corresponding to the substrate stage 60 used in FIG. 2 is shown to Fig.5 (a)
- the 2nd block 63A and the 1st block 61B become the same block as a common area
- the first stage heater 62 provided in the first block 61A and the second stage heater 64 provided in the second block 63B are written as in FIG.
- the sub-board 52 is soldered to the first mounting block 301 (see FIG. 5B).
- the base substrate 50 is overlapped with FIG.
- the base substrate 50 moves to the substrate carry-out region 60B, and the first stage heater 62 of the first block 61A is turned off.
- the sub-board 52 is soldered to the second mounting block 302 (the state shown in FIG. 5C.
- the base board is described overlaid on FIG. 5A).
- the first block 61A of the substrate carry-in region 60A is cooled to a temperature that does not volatilize the flux 56.
- the base substrate 50 Since the first block 61A and the second block 60B in the substrate carry-in area 60A are below the temperature at which the flux 56 is not volatilized, the base substrate 50 is discharged (unloaded) after the sub-board 52 is soldered in the substrate carry-out area 60B. Thus, a new base substrate 50 can be immediately loaded (loaded) into the substrate loading area 60A. Accordingly, it is possible to obtain a mounting cycle per base substrate 50 shown in FIG. Furthermore, since the common area of the substrate carry-in area 60A and the substrate carry-out area 60B is provided on the substrate stage 60, the space of the apparatus can be saved.
- FIG. 6A shows an example of the substrate stage 60 used when the number of mounting blocks of the base substrate 50 is n (n> 2).
- the substrate stage 60 is provided with a substrate carry-in region 60A and a substrate carry-out region 60B having n blocks.
- a stage heater that can be heated up to a temperature at which the solder melts is embedded in the block of the substrate carry-in area 60A, and a block that is maintained at a temperature at which the flux 56 does not volatilize is provided at one location.
- a stage heater that can be heated up to a temperature at which the solder melts is embedded in a block corresponding to a block that is maintained at a temperature that does not evaporate the flux 56 in the substrate carry-in area 60A.
- the block is kept below the temperature at which the flux 56 does not volatilize.
- the sub-boards 52 are sequentially soldered.
- the stage heater of the block where the solder bonding is performed is turned off and cooled (the state shown in FIG. 6B).
- the base board 50 moves to the board carry-out area 60B, and the sub-board is placed in the last mounting block. 52 is soldered (state shown in FIG. 6C).
- all the blocks in the substrate carry-in region 60A are cooled to a temperature that does not volatilize the flux 56. Since a new base substrate 50 can be loaded (carryed in) into the substrate carry-in area 60A, the mounting cycle per base substrate 50 shown in FIG. 4 can be obtained.
- the substrate stage 60 is provided with the substrate carry-in area 60A and the substrate carry-out area 60B, and at least one block is provided in the substrate carry-in area 60A and the block is maintained at a temperature that does not volatilize the flux 56.
- the sub-board 52 is soldered to one place, the sub-board 52 is moved to the board carry-out area 60B, and the sub-board 52 is soldered to the last mounting block (unmounted block).
- a new base substrate 50 can be loaded (loaded in) the substrate stage 60 without waiting for the cooling time of the substrate stage 60 (the time until the flux 56 does not volatilize or less). Time can be shortened.
- the bonding head 8 is provided with a ceramic heater or the like as a heating means for heating the sub-board 52, the soldering time is further shortened and the mounting cycle time is shortened.
- a cooling means such as a cold water pipe through which cooling water circulates is embedded in the block in which the stage heater of the substrate stage 60 is embedded, the temperature below the temperature at which the flux 56 does not volatilize immediately after the soldering of the sub-board 52 is performed. Can be further cooled, so that the mounting cycle time can be further shortened.
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Abstract
Description
基板に設けられた複数の実装ブロック毎に、サブ基板を半田接合する実装装置であって、サブ基板を基板の実装ブロックに加圧する加圧手段と、
基板を載置する基板ステージと、を備え、
基板ステージは、基板搬入領域と基板搬出領域が設けられており、
基板搬入領域から基板搬出領域に基板を移動する基板移動手段を備え、
基板搬入領域と基板搬出領域は、基板の実装ブロックに対応した区画で、ブロックで区切られており、
各ブロックは、半田が溶融する温度まで加熱可能な加熱手段を備えているブロックと、フラックスが揮発しない温度以下に保たれているブロックとから構成され、
基板搬入領域に、フラックスが揮発しない温度以下に保たれたブロックを少なくとも1箇所、備え、
基板を基板搬入領域に投入した後、フラックスが揮発しない温度に保たれているブロック以外のブロックに対応する基板の実装ブロックにサブ基板を半田接合した後、基板搬入領域の全ての加熱手段を備えているブロックをオフし、基板を基板搬出領域に移動し、サブ基板が未実装の実装ブロックにサブ基板を半田接合する制御手段を備えた実装装置である。
基板搬入領域と基板搬出領域が直列に配置され、基板搬入領域と基板搬出領域の共通領域にフラックスが揮発しない温度以下に保たれたブロックを備えた実装装置である。
基板搬入領域と基板搬出領域が直列又は並列に配置され、基板搬出領域でサブ基板を基板に半田接合中に新たな基板を基板搬入領域に投入することを制御する制御手段を備えた実装装置である。
加圧手段にサブ基板を加熱する加熱手段を備えた実装装置である。
基板ステージの加熱手段に冷却手段を備えた実装装置である。
基板に設けられた複数の実装ブロック毎に、サブ基板を半田接合する実装方法であって、サブ基板を基板の実装ブロックに加圧する加圧手段と、
基板を載置する基板ステージと、を備え、
基板ステージは、基板搬入領域と基板搬出領域が設けられており、
基板搬入領域から基板搬出領域に基板を移動する基板移動手段を備え、
基板搬入領域と基板搬出領域は、基板の実装ブロックに対応した区画で、ブロックで区切られており、
各ブロックは、半田が溶融する温度まで加熱可能な加熱手段を備えているブロックと、フラックスが揮発しない温度以下に保たれているブロックとから構成され、
基板搬入領域に、フラックスが揮発しない温度以下に保たれたブロックを少なくとも1箇所、備える実装装置を用いて、
基板を基板搬入領域に投入するステップと、
フラックスが揮発しない温度に保たれているブロック以外のブロックに対応する基板の実装ブロックにサブ基板を半田接合するステップと、
基板搬入領域の全ての加熱手段を備えているブロックをオフするステップと、
基板を基板搬出領域に移動するステップと、
サブ基板が未実装の実装ブロックにサブ基板を半田接合するステップと、
全実装ブロックにサブ基板が半田接合された基板を基板搬出領域から払い出すステップと、
を有する実装方法である。
8 ボンディングヘッド
13 2視野カメラ
20 制御部
25 基板移動治具
26 アーム
27 スライダ
30 基板搬入領域
40 基板搬出領域
50 ベース基板
51 半導体チップ
52 サブ基板
53 半田バンプ
54 電極パッド
55 樹脂
56 フラックス
60 基板ステージ
60A 基板搬入領域
60B 基板搬出領域
61 第1ブロック
61A 第1ブロック
61B 第1ブロック
62 第1ステージヒータ
63 第2ブロック
63A 第2ブロック
63B 第2ブロック
64 第2ステージヒータ
301 第1実装ブロック
302 第2実装ブロック
Claims (6)
- 基板に設けられた複数の実装ブロック毎に、サブ基板を半田接合する実装装置であって、サブ基板を基板の実装ブロックに加圧する加圧手段と、
基板を載置する基板ステージと、を備え、
基板ステージは、基板搬入領域と基板搬出領域が設けられており、
基板搬入領域から基板搬出領域に基板を移動する基板移動手段を備え、
基板搬入領域と基板搬出領域は、基板の実装ブロックに対応した区画で、ブロックで区切られており、
各ブロックは、半田が溶融する温度まで加熱可能な加熱手段を備えているブロックと、フラックスが揮発しない温度以下に保たれているブロックとから構成され、
基板搬入領域に、フラックスが揮発しない温度以下に保たれたブロックを少なくとも1箇所、備え、
基板を基板搬入領域に投入した後、フラックスが揮発しない温度に保たれているブロック以外のブロックに対応する基板の実装ブロックにサブ基板を半田接合した後、基板搬入領域の全ての加熱手段を備えているブロックをオフし、基板を基板搬出領域に移動し、サブ基板が未実装の実装ブロックにサブ基板を半田接合する制御手段を備えた実装装置。 - 請求項1に記載の実装装置において、
基板搬入領域と基板搬出領域が直列に配置され、基板搬入領域と基板搬出領域の共通領域にフラックスが揮発しない温度以下に保たれたブロックを備えた実装装置。 - 請求項1に記載の実装装置において、
基板搬入領域と基板搬出領域が直列又は並列に配置され、基板搬出領域でサブ基板を基板に半田接合中に新たな基板を基板搬入領域に投入することを制御する制御手段を備えた実装装置。 - 請求項2または3に記載の実装装置において、
加圧手段にサブ基板を加熱する加熱手段を備えた実装装置。 - 請求項4に記載の実装装置において、
基板ステージの加熱手段に冷却手段を備えた実装装置。 - 基板に設けられた複数の実装ブロック毎に、サブ基板を半田接合する実装方法であって、サブ基板を基板の実装ブロックに加圧する加圧手段と、
基板を載置する基板ステージと、を備え、
基板ステージは、基板搬入領域と基板搬出領域が設けられており、
基板搬入領域から基板搬出領域に基板を移動する基板移動手段を備え、
基板搬入領域と基板搬出領域は、基板の実装ブロックに対応した区画で、ブロックで区切られており、
各ブロックは、半田が溶融する温度まで加熱可能な加熱手段を備えているブロックと、フラックスが揮発しない温度以下に保たれているブロックとから構成され、
基板搬入領域に、フラックスが揮発しない温度以下に保たれたブロックを少なくとも1箇所、備える実装装置を用いて、
基板を基板搬入領域に投入するステップと、
フラックスが揮発しない温度に保たれているブロック以外のブロックに対応する基板の実装ブロックにサブ基板を半田接合するステップと、
基板搬入領域の全ての加熱手段を備えているブロックをオフするステップと、
基板を基板搬出領域に移動するステップと、
サブ基板が未実装の実装ブロックにサブ基板を半田接合するステップと、
全実装ブロックにサブ基板が半田接合された基板を基板搬出領域から払い出すステップと、
を有する実装方法。
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JPH09206932A (ja) * | 1996-02-02 | 1997-08-12 | Kel Corp | コンスタントヒート熱源を用いた半田接合装置 |
WO2007052422A1 (ja) * | 2005-11-01 | 2007-05-10 | Murata Manufacturing Co., Ltd. | 回路装置の製造方法および回路装置 |
JP2012009782A (ja) * | 2010-06-28 | 2012-01-12 | Shinko Electric Ind Co Ltd | 半導体パッケージの製造方法 |
JP2013232575A (ja) * | 2012-05-01 | 2013-11-14 | Showa Shinku:Kk | 基板の搬送及び処理装置 |
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TW367147U (en) * | 1996-02-02 | 1999-08-11 | Kel Kk | Constant-heat type heating device and soldering method and soldering apparatus with heating device |
JP2000193988A (ja) * | 1998-12-25 | 2000-07-14 | Fujitsu Ltd | 液晶表示パネルの製造方法と製造装置 |
KR20080017914A (ko) * | 2006-08-23 | 2008-02-27 | (주)하이시스텍 | 리플로우 솔더링머신의 가열장치 |
JP2012009713A (ja) | 2010-06-25 | 2012-01-12 | Shinko Electric Ind Co Ltd | 半導体パッケージおよび半導体パッケージの製造方法 |
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JPH09206932A (ja) * | 1996-02-02 | 1997-08-12 | Kel Corp | コンスタントヒート熱源を用いた半田接合装置 |
WO2007052422A1 (ja) * | 2005-11-01 | 2007-05-10 | Murata Manufacturing Co., Ltd. | 回路装置の製造方法および回路装置 |
JP2012009782A (ja) * | 2010-06-28 | 2012-01-12 | Shinko Electric Ind Co Ltd | 半導体パッケージの製造方法 |
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