WO2006101167A1 - 固体電解コンデンサの製造装置及び製造方法 - Google Patents
固体電解コンデンサの製造装置及び製造方法 Download PDFInfo
- Publication number
- WO2006101167A1 WO2006101167A1 PCT/JP2006/305821 JP2006305821W WO2006101167A1 WO 2006101167 A1 WO2006101167 A1 WO 2006101167A1 JP 2006305821 W JP2006305821 W JP 2006305821W WO 2006101167 A1 WO2006101167 A1 WO 2006101167A1
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- WO
- WIPO (PCT)
- Prior art keywords
- solid electrolytic
- jig
- conductor
- electrolytic capacitor
- manufacturing
- Prior art date
Links
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- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
- YMMGRPLNZPTZBS-UHFFFAOYSA-N 2,3-dihydrothieno[2,3-b][1,4]dioxine Chemical compound O1CCOC2=C1C=CS2 YMMGRPLNZPTZBS-UHFFFAOYSA-N 0.000 description 1
- IWGVQIFPYAOBMF-UHFFFAOYSA-N 2,5-dioxa-8-thiabicyclo[4.2.1]nona-1(9),6-diene Chemical compound O1CCOC2=CC1=CS2 IWGVQIFPYAOBMF-UHFFFAOYSA-N 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
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- 235000015393 sodium molybdate Nutrition 0.000 description 1
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- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 description 1
- SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/006—Apparatus or processes for applying terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
- H01G9/012—Terminals specially adapted for solid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
Definitions
- the present invention relates to a solid electrolytic capacitor manufacturing apparatus, in particular, a solid electrolytic capacitor manufacturing apparatus and manufacturing method for sequentially forming a dielectric layer, a semiconductor layer, and an electrode layer on a plurality of conductors, and the method.
- the present invention relates to a manufactured solid electrolytic capacitor.
- Aluminum and tantalum solid electrolytic capacitors are used as high-capacitance and low ESR (equivalent series resistance) capacitors used in various electronic devices.
- a solid electrolytic capacitor uses a sintered body of aluminum foil having fine pores in its surface layer or tantalum powder having fine pores inside as a first electrode (conductor), and the surface layer (fine fine layer) of this electrode.
- a dielectric layer is formed on the dielectric layer, a second electrode (usually a semiconductor layer) is provided on the dielectric layer, and a conductor layer is laminated on the second electrode.
- a lead wire is drawn from the first electrode, and terminals are connected to the lead wire and the conductor layer on the second electrode.
- Patent Document 1 Japanese Patent Laid-Open No. 60-249310
- a lead wire 2 is drawn out from a conductor 1 for manufacturing a capacitor, and its end is fixed to a long metal plate 3 with a solder 4 at equal intervals.
- a capacitor manufacturing member 5 in which a plurality of conductors 1 hang down from the long plate 3 is formed.
- a long plate is used as an anode, a conductor is immersed in a container containing a separately prepared chemical solution, and a dielectric layer is formed by energizing the electrode in the container as a cathode.
- the conductor is alternately immersed in a container containing a raw material for forming a semiconductor layer and a container containing an oxidizer solution that oxidizes the raw material into a semiconductor, or the conductor is used for forming a semiconductor layer.
- Container with raw materials The semiconductor layer is electrochemically laminated on the dielectric layer by energizing with the external electrode disposed in the vicinity of the conductor as the anode and the electrode in the container as the cathode.
- the semiconductor layer formed chemically by a conventional method is not uniform in thickness compared to a semiconductor layer obtained by an electrochemical method, or the composition of the semiconductor layer itself
- the resistance of the semiconductor layer increases due to non-uniform continuity (for example, when the semiconductor layer is a conductive polymer, there is a branch in the polymer). (Resistance) is increased.
- Patent Document 1 Japanese Patent Application Laid-Open No. 60-249310
- the present invention provides an inexpensive and stable connection of a conductor to a solid electrolytic capacitor manufacturing apparatus for manufacturing a capacitor having a high capacity and a low ESR at an industrial level, in particular, a jig for manufacturing a capacitor.
- the present invention also provides a solid electrolytic capacitor manufacturing apparatus for facilitating the continuation of the manufacturing process.
- the present inventors have provided a socket for temporarily fixing a conductor to a jig for manufacturing a capacitor and for passing a current through a lead wire, and Fixing force of the conductor to the manufacturing jig Continuously performing a series of processes up to the processing of the conductor, it was found that a capacitor group having a narrow capacitance distribution can be obtained efficiently, and the present invention was completed. It was.
- the present invention provides the following capacitor manufacturing apparatus and manufacturing method.
- a plurality of conductors for a solid electrolytic capacitor are fixed to a capacitor manufacturing jig, the jig is transferred onto a processing solution tank, and the conductors are sequentially immersed in the processing solution and energized, thereby supplying a dielectric to the conductor.
- a solid electrolytic capacitor manufacturing apparatus for forming a semiconductor layer and a semiconductor layer, a plurality of sockets for fixing ends of lead wires drawn out of the conductor force are provided on a capacitor manufacturing jig, and the lead wires are attached to the sockets by a robot device.
- An apparatus for manufacturing a solid electrolytic capacitor characterized in that an end of the capacitor is inserted and fixed.
- the apparatus for producing a solid electrolytic capacitor as described in 1 above further comprising a delivery device for storing a plurality of the jigs for producing a capacitor and intermittently feeding them one by one to a work stage.
- the robotic device inserts one or more solid electrolytic capacitor conductors aligned by the aligner into the capacitor manufacturing jig socket on the work stage.
- the solid electrolytic capacitor described in 3 above is fixed Manufacturing equipment.
- the above 1 further includes a rack having a plurality of slots for vertically holding the capacitor manufacturing jig, and further includes an insertion device for sequentially inserting the capacitor manufacturing jig in which the conductor has been fitted into each slot of the rack.
- the manufacturing apparatus for a solid electrolytic capacitor according to any one of 5 to 5.
- the processing liquid tank includes a dielectric layer forming processing tank, and the transfer device sequentially transfers a capacitor manufacturing jig or a rack holding a plurality of the same onto each processing tank for a predetermined time.
- the dielectric layer is formed by immersing the conductor suspended from the jig into the treatment liquid and energizing the socket through the socket. Manufacturing equipment.
- the processing liquid tank includes a semiconductor layer forming processing tank for forming a semiconductor layer, and the transfer device sequentially transfers a jig for manufacturing a capacitor or a rack holding a plurality of the same onto each processing tank.
- the semiconductor layer is formed according to any one of 1 to 7 above, wherein the semiconductor layer is formed by lowering the jig or rack toward the processing liquid for a period of time, immersing the conductor suspended from the jig in the processing liquid, and energizing through the socket. Manufacturing equipment for solid electrolytic capacitors.
- circuit is a circuit having a diode connected to the force sword side and a current discharge type constant current source connected to the output side for each connection terminal of each conductive socket. Capacitor manufacturing equipment.
- each lead wire of the conductor has an insulating polymer washer at the base.
- a method for producing a solid electrolytic capacitor wherein the solid electrolytic capacitor production apparatus according to any one of 1 to 12 is used.
- a capacitor manufacturing jig that energizes each conductor under uniform conditions can be used repeatedly, a capacitor having a narrow capacitance distribution and a good ESR value can be manufactured inexpensively and efficiently.
- the entire process can be automated, it is possible to mass produce capacitors with a narrow capacitance distribution and good ESR value.
- a socket is provided on a capacitor manufacturing jig, and a lead wire of a conductor is fitted and fixed to the socket; and (2) a plurality of such A major feature is that the entire manufacturing process is continued using a capacitor manufacturing jig with a fixed conductor.
- the capacitor manufacturing jig 10 of the present invention is provided with a plurality of terminals 12 (covered by a socket 13 and not visible on the surface) on an insulating substrate 11. Sockets 13 are mounted at positions corresponding to the terminals. As shown in FIG. 2 (b), each socket is connected to a conductor 15 from which a lead wire 14 is drawn, and the capacitor manufacturing jig 10 inserts the lead wire 14 and then connects each conductor 15 to a dielectric. It becomes a supporting member for sequentially forming a layer and a semiconductor layer (and an electrode layer provided if necessary). Normally, the electrodes A and B for energizing treatment are provided on the ears partially protruding at both ends of the insulating substrate 11 (the electrodes for energizing treatment are provided in any place of the main body without the ears. O)
- the socket 13 is a conductive socket. That is, as shown in FIG. 3, which is a cross-sectional view of SS ′ in FIG. 2 (b), the socket 13 is electrically connected to the metal contact portions 16 and 16 where the lead wires 14 are inserted and connected. Mounting part 17 on the printed circuit board and insulating resin part 18 covering them, and the mounting part 17 of the socket is electrically connected to each terminal 12 on the insulating board 11. It is mounted on the insulating substrate 11 so as to be connected.
- the metal contact portion 16 is shown as a cylindrical conductor
- the mounting portion 17 is shown as a conductor that is connected to a part of the contact portion 16 and exposed to the outside. 17 can be any mode that can be used as a conductive socket.
- the contact portion 16 may be a conductor partially provided in an annular shape or a narrow side shape on the inner wall of the hole into which the lead wire 14 is inserted. Further, a type in which the inserted lead wire is sandwiched between opposing metal plates (preferably plate panels) may be used.
- the mounting part 17 may be in the form of a wire or a panel so as to contact the terminal 12 on the insulating substrate 11 with certainty.
- the contact portion 16 and the mounting portion 17 may be integrated so that the lead wire is directly pressed against the terminal 12.
- the socket dimensions should be sufficient if the lead wire can be inserted and fixed sufficiently.
- the force depends on the length of the lead wire between the conductor and the weight of the conductor.
- the length should be 3 mm or more, preferably 4 mm or more. However, it may be shorter when sandwiched by panel means or the like.
- the conductive socket 13 is a plate-like member (hereinafter referred to as a socket plate) in which a plurality of conductive sockets 13 are connected as shown in FIG. Secure so that it is electrically connected to terminal 12.
- a socket plate is a plate-like member (hereinafter referred to as a socket plate) in which a plurality of conductive sockets 13 are connected as shown in FIG. Secure so that it is electrically connected to terminal 12.
- soldering may be used, and the socket plate may be pressed and fixed on the insulating substrate 11 with a screw or clip.
- a socket plate is a PCB receptacle manufactured by Presiive (2.54 mm pitch 64-pin socket) and a 2.54 mm pitch 64-pin socket manufactured by McEight Co., Ltd.
- a second socket plate 20 having the same number of sockets is connected to the socket plate 19 mounted on the substrate 11 as shown in FIG. A method of appropriately replacing the plate 20 may be used.
- the socket 13 (socket plate 19) is connected to the terminal 12 on the surface of the insulating substrate 11.
- the socket portion 21 may be formed integrally with the substrate 11. Is possible.
- the second socket plate 20 as described above may be connected to the socket portion 21.
- the jig 10 is preferably provided with a uniform energization circuit for supplying a substantially equal current to each terminal 12 in order to form a dielectric layer and to form at least one semiconductor layer by electrolytic polymerization. Included (schematically shown as C surrounded by a broken line in FIG. 3).
- Uniform energizing circuit C is a circuit for causing substantially equal currents to flow through the connection terminals of each socket, and is typically published internationally. This is described in the pamphlet of No. 2005Z006360. For example, one with a rectifier diode with a force sword connected to each socket connection terminal, or one with a current discharge type constant current source with an output connected to each socket connection terminal. Can be mentioned. A constant current diode or a field effect transistor can be used as a current discharge type constant current source.
- the conductor is not particularly limited as long as the conductor can be provided with a lead wire!
- the shape is not particularly limited, and may be used as a foil shape, a plate shape, a rod shape, or a shape obtained by forming a conductive material into a powdery shape or sintering after forming.
- a powdered conductor may be attached to a part of a foil-like or plate-like metal and sintered.
- the conductor surface may be treated with etching to have fine pores! ⁇ .
- Preferred examples of the conductor material according to the present invention include an aluminum foil whose surface is etched; tantalum powder, niobium powder, alloy powder mainly composed of tantalum; alloy powder mainly composed of niobium; niobium monoxide powder, etc. And a sintered body in which a large number of fine pores are present inside the powder after sintering.
- a metal is used as the conductor, a part of the metal may be subjected to at least one treatment selected from carbonization, phosphation, boronation, nitridation, sulfurization force, and the force may also be used.
- a sintered body having a large specific surface area per mass can be produced by making the conductor into a sintered body and using powder having a smaller particle size.
- the lead wire should have a strength suitable for fitting into the socket!
- Lead wire can be connected directly to a pre-manufactured conductor by soldering, etc. Force If the conductor is powdered to form a molded body or sintered after molding, prepare separately at the time of molding It is also possible to form a part of the drawn lead wire together with the conductor, and to use the lead wire outside the molded lead wire. In addition, a semiconductor layer is formed on a part of the conductor. It is also possible to leave a portion that is not formed and connect a lead wire to that portion. An insulating resin may be adhered and cured in a headband shape at the boundary between the portion where the semiconductor layer is not formed and the semiconductor layer forming portion in order to prevent the semiconductor layer from creeping up.
- a washer made of insulating resin for example, fluorine resin such as tetrafluoroethylene or silicon resin
- insulating resin for example, fluorine resin such as tetrafluoroethylene or silicon resin
- the lead wire is fitted into the socket in the robot apparatus.
- the robot apparatus fixes the jig 10 in a fixed position by a fixing means (not shown) having a gripping portion at the tip, and grips the conductor 15 with a lead wire (chuck). It is picked up by a movable arm 23 having 22 and clamped, moved to a position corresponding to the socket 13 and pushed in (FIG. 6 (a)).
- the configuration of the robot apparatus is arbitrary.
- a conductor may be accommodated in a basket 24 that accommodates a plurality of conductors 15, and this may be inserted into a plurality of sockets 13 at a time by a movable arm 23.
- the jig 10 is fixed at a fixed position, and the conductor 15 with a lead wire is placed on a guide rail which may have a roller and Z or a belt, and is carried to the socket receptacle.
- a configuration (not shown) may be used in which the chucks and pushers are collectively inserted into the socket. It is preferable to provide a mechanism where the insertion position is constant and each socket receptacle of the connection socket of the circuit board moves at a constant size, because the machine can be manufactured at low cost.
- FIG. 7 is an explanatory view schematically showing an example of the apparatus of the present invention.
- the device 30 of the present invention includes four operating parts: a delivery device 31, an aligner 32, a robot device 33, a transfer device 34, and a work stage 35.
- the feeding device 31 accommodates a plurality of capacitor manufacturing jigs 10 on which sockets 13 are mounted, and intermittently feeds the jigs 10 one by one onto the work stage 35.
- a plurality of conductors 15 having lead wires (anode leads) 14 are placed in the aligner 32, aligned in the direction as shown, and sent toward the work stage 35.
- the capacitor manufacturing jig 10 delivered from the delivery device 31 onto the work stage 35 proceeds to the conductor insertion position.
- the conductors 15 sent out from the aligner 32 and aligned are picked up by the robot device 33.
- the lead wire 14 is inserted into each receptacle of the socket 13 of the capacitor manufacturing jig 10.
- the capacitor manufacturing jig 10 is sent to the transfer device 34.
- the transfer device 34 transfers the capacitor manufacturing jig 10 onto the treatment tank 50 (only one is shown in the figure, but usually a plurality of jigs are provided).
- a body layer and a semiconductor layer are formed.
- the treatment tank 50 may include a paste tank. In this case, a conductive layer can be further formed on the semiconductor layer.
- the sending device 31 is a device that houses a plurality of capacitor manufacturing jigs 10 and sends them to the work stage 35 sequentially and intermittently.
- the jig 10 for manufacturing a capacitor is a plate-like member in which a plurality of sockets 13 are provided in parallel along one side as shown in FIG. 2 and the subsequent drawings, and the sending device 31 sequentially adds such plate-like members.
- a shift device can be used.
- a shelf-type delivery device that stores the capacitor manufacturing jig 10 at equal intervals in the vertical direction, that is, a so-called magazine rack-type delivery device.
- a magazine rack has a plurality of shelves inside and is covered with a lid that can be opened and closed at the appropriate time with at least one open surface for storing and taking out articles from the shelves. It is a storage device.
- the sending device 31 includes an elevator that moves the entire magazine rack up and down.
- the capacitor manufacturing jig 10 is placed on and stored in each shelf, and the uppermost (or lowermost) magazine rack is at the same level as the stage 35.
- the capacitor manufacturing jig 10 in the lower stage is extruded onto the stage 35 by an extrusion device (pusher).
- the shelves are provided with force or gripping means (eg, chucks) with movable rollers, and by these or a combination of these, shelves also feed the capacitor manufacturing jig 10 onto the stage 35.
- the aligner 32 is a device that feeds a plurality of charged conductors 15 to the work stage 35 after aligning the directions as shown in the drawing.
- An example of such an apparatus is an aligner that is commercially available under the generic name of parts feeder. This means that small parts (conductors in this application) placed randomly are stored in a continuous pocket part provided in the straight part of the apparatus by the vibration mechanism built in the apparatus.
- the robot apparatus 33 is as described above.
- the transfer device 34 holds the capacitor manufacturing jig 10 to which the conductor is connected as described above, transfers it to each processing tank, and so that an appropriate portion of the conductor is immersed in the processing liquid. It is a device that lowers this and continues to transport to another processing tank, and is a transport crane having some gripping means (for example, a chuck).
- the transfer device 34 may be a mechanism for transporting the plurality of racks into a rack 36 that accommodates them (FIG. 8). Note that the transfer device 34 is not shown in FIG. 8 to clearly show the rack 36, but the configuration is the same as in FIG. 7 except that the rack 36 is gripped and conveyed instead of the individual jigs 10. It is. That is, after the jig 10 is inserted into the rack 36, the jig 10 is conveyed onto a processing tank (not shown in FIG. 8) by an appropriate conveying device (for example, a crane or a conveyor).
- an appropriate conveying device for example, a crane or a conveyor.
- the rack includes a frame-like member 40 having receiving end blocks 38 and 39 on both sides having grooves 37 corresponding to both ends of the manufacturing jig 10 (partly in FIG. 9).
- the frame-shaped member 40 preferably has legs 41 and 42 in order to facilitate the following operations.
- the legs 41 and 42 have such a height that the conductor 15 can be kept hanging from the jig 10 when the jig 10 is inserted into the groove.
- the frame-shaped member 40 preferably has a width across the wall surfaces 51 and 52 of the processing tank when it is lowered onto the processing tank 50.
- the jig 10 is held so that only the conductor 15 can be immersed in the treatment liquid L to an appropriate depth when the member 40 is placed on both sides of the treatment tank (see FIG. 10—cross-sectional view 1).
- the receiving blocks 38 and 39 are preferably made of an insulating material such as a synthetic resin (for example, fluorine resin).
- a synthetic resin for example, fluorine resin
- an electrode is provided at a corresponding position.
- the groove 37 has at least a part of the groove 37 as a bottom, and the extension (ear part) of the jig 10 is a groove.
- a mechanism for fixing the capacitor manufacturing jig 10 may be provided.
- a panel structure or a narrow portion may be provided inside the groove, or a hole is provided at both ends of the capacitor manufacturing jig 10, and the receiving end portion is fitted in the groove.
- a bar-like member that is fixed through 38 and 39 and the jig may be penetrated. These fixed portions may function as electrodes.
- a magazine rack type alignment machine similar to the delivery device 31 can be used. That is, the manufacturing jig 10 in which the conductor is connected to all the sockets is sequentially moved to a predetermined position according to a guide rail that may have a roller and Z or a belt, and is inserted into each groove.
- the transfer from the work stage 35 to the rack 36 is usually performed on the same plane, but at this point of the present invention, a conductor is connected to the manufacturing jig 10 via a lead wire. Therefore, the manufacturing jig 10 on the work stage 35 is rotated 90 degrees as it is so that the lead wire is not bent at a predetermined position, and is maintained in the vertical direction, and sequentially inserted into the grooves of the rack 36. .
- the motor drive and cam mechanism are used to rotate the L-shaped jig 90 degrees after carrying the jig 10 on at least one L-shaped jig. Can be mentioned as a combination.
- the jig 10 rotated 90 degrees is removed from the L-shaped jig by pushing it out with a pusher built in the vicinity of the L-shaped jig, and is carried on the groove of the rack 36 and then, for example, the jig 10 by another pusher. Push into the groove and insert.
- the work stage 35 may have any configuration suitable for conveying a member.
- the work stage 35 is provided with a guide rail that may have a roller and a belt for transporting the jig 10 to a predetermined position, and various pushers necessary for insertion and positioning.
- the transport of the jig 10 and the conductor to the transport path is controlled by a computer device (CPU), and the operation and the feed time can be arbitrarily set by changing the program.
- CPU computer device
- FIGS. 7 and 8 it is also possible to use an arc shape or a circular shape in which the force sending device 31, the alignment device 32, the robot device 33, and the transfer device 34 are arranged in order, with the work stage 35 as a rectangular plane.
- the jig 10 placed on the work stage 35 from the delivery device 31 is moved to a position corresponding to the aligner 32 by rotating the stage at an appropriate angle, and a conductor is inserted.
- the transfer device 34 is provided so that it is rotated until it reaches a position where it can be moved.
- a device for removing the formed solid electrolytic capacitor from the socket may be provided.
- the removal device may be configured to hold one or more solid electrolytic capacitors and pull them away from the socket in accordance with the case where the solid electrolytic capacitors are inserted and fixed in the socket.
- a sensor is usually provided at a necessary position in order to confirm the progress of work and the position of each member.
- the location of the magazine rack or work stage 35 and the transfer device 34 are provided with sensors and image processing machines for position confirmation, the delivery status of the jig 10, the connection of the conductor to the socket, the jig 10 to the transfer device 34. Check the insertion status.
- a counter that counts the jig 10 put into the processing process and the jig 10 flowing into the conductor and transfer device 34 may be installed at a predetermined place on the work stage 35. It may include sensors and measuring instruments that detect the liquid level and temperature of the treatment tank. Depending on the situation detected by these sensors, a correction mechanism such as removing defective semi-finished products or adding liquid may be added.
- sensors and the individual movable mechanisms can be appropriately used for the sensors and the individual movable mechanisms.
- various optical sensors for example, an infrared sensor
- pressure-sensitive sensors for example, piezoelectric element sensors
- a stepping motor or the like can be used for the movable mechanism within a certain range.
- the conductors used in the following examples were formed of tantalum powder having a CV value of 150,000 F'V / g together with a 0.4 mm diameter tantalum wire (lead wire) and vacuum sintered at 1320 ° C. . 0 X 1 51 X 4. 45mm rectangular parallelepiped sintered body (powder mass 41.4 mg).
- the lead wire was provided so that it protruded 10 mm from the center of the surface of tantalum wire force 1.0 X 1.51 mm and penetrated 3.8 mm inside the sintered body.
- Example 1 (capacitor manufacturing apparatus)
- a capacitor manufacturing jig having a socket was manufactured by the following procedure.
- each force sword of the constant current diode is connected to the external terminal, and each anode of the constant current diode is connected on the circuit and provided on the substrate ear with a semiconductor electrode terminal having a size of 8 X 22 mm ( It reached the electrode terminal A).
- 64 rectifier diodes 59 were aligned and mounted on the back surface of the circuit board at equal intervals. Each force sword of the rectifier diode is connected to the external terminal, and each anode of the rectifier diode is connected on the circuit, and is formed on the ear portion through the surface force.
- Electrode terminal B (Fig. 12).
- the two electrode terminals A and B were connected to electrodes of the same area (8 X 22 mm) provided at corresponding positions on the opposite surface by through holes provided in each electrode part on the substrate (electrodes in FIG. 12). Terminal A 'and electrode terminal B in Figure 11).
- the apparatus of the embodiment is configured by providing the following delivery device, aligner, robot device, and transfer device around the work stage.
- the delivery device is a multistage case (magazine rack) with a 6mm pitch between the steps.
- the magazine rack supports the jigs for manufacturing capacitors with rollers at each stage. The whole is moved up and down by an elevator, and the jigs are sent out sequentially from the top.
- the aligner uses a commercially available parts feeder that aligns conductors by vibration. This is because the above-mentioned conductors are aligned in the respective pockets of the straight portion.
- the robot apparatus includes means for carrying the conductors aligned by the aligner on a guide rail for conveyance to a predetermined position, and means for grasping the conductors one by one and inserting them into the socket. It has the structure of a).
- the transfer device has the rack shown in FIG. 9 in which the jig connected to the conductor is inserted vertically so that the conductor is on the lower side, and the rack has two receiving end blocks and the ear of the jig. Receive the electrode part.
- the receiving block is made of tetrafluoroethylene with a length of 650 mm and a width of 10 mm, and has a length of 1.7 mm to insert the electrode part of the substrate at a pitch of 8 mm so that 80 circuit boards can be inserted. Designed to.
- the two receiving blocks have electrodes for energization at positions corresponding to the electrode portions.
- the transfer device 34 has a crane that grabs the rack containing the jig and transfers it to the treatment tank, and uses a dielectric layer and a monomer such as pyrrole or 2,4 ethylenedioxythiophene. Each conductive polymer layer is formed by electrolytic polymerization.
- the work stage consists of a guide rail that transports the circuit boards sent out from the delivery device one by one, a guide rail that transports the conductors sent out with the alignment machine force aligned, and a manufacturing jig to which the conductors are connected. It consists of a group of devices whose main components are direction changing means that rotate 90 degrees, various sensors that detect the above operations, and a computer that controls them.
- Example 2 (capacitor manufacturing example)
- Capacitors were manufactured in accordance with the method described in the pamphlet of International Publication No. 2005Z006360 using the above manufacturing apparatus. Specifically, it is as follows.
- the circuit shown in FIGS. 11 and 12 is formed on the surface of a polyimide plate having a length of 320 mm and a width of 30 mm (hereinafter referred to as the front surface) and the other surface (hereinafter referred to as the back surface).
- a PCB receptacle (2.54mm pitch, 64-pin socket) was attached so as to be electrically connected to the circuit.
- Ishizuka Electronics E-101L force 40 A or less was selected and used, and as the rectifier diode (59) (10D-1, manufactured by Nihon Inter) was used. It was.
- a dielectric layer consisting of 2 5 was formed.
- the frame was lifted from the tank and washed with water, and then dried at 100 ° C.
- the frame is placed in a tank containing a 20% aqueous sodium molybdate solution and a tank containing a 10% aqueous sodium borohydride solution so that the conductor portions can be immersed alternately. Electrical minute defect portions were produced in the body layer.
- the frame is filled with a semiconductor layer forming solution (20% ethylene glycol and water mixed solution with enough sodium anthraquinone sulfonate 0.2M and ethylenedioxythiophene insoluble part).
- a semiconductor layer forming solution (20% ethylene glycol and water mixed solution with enough sodium anthraquinone sulfonate 0.2M and ethylenedioxythiophene insoluble part).
- the tantalum foil is attached to the tank itself to become an external electrode) so that the conductor part can be immersed in it.
- the terminal on the constant current diode side is the anode and the external electrode is the cathode.
- a semiconductor layer was formed by energizing for 1 hour.
- the frame was pulled up, washed with ethanol, and dried at 100 ° C.
- the frame was placed in the previous chemical formation tank so that the conductor part can be immersed, and re-formation was performed for 1 hour at 80 ° C using a chemical feed terminal and an applied voltage of 7V to the conductor. .
- the frame was lifted and washed, and then dried at 100 ° C.
- the frame is placed so that the conductor part can be immersed in the carbon paste tank and the silver paste tank in order, and then dried.
- An electrode layer was laminated on the layer.
- the individual conductors on which the electrode layers are formed are removed from the capacitor manufacturing jig, and both convex parts of the lead frame are tin-plated on the separately prepared surface (2 ⁇ m of nickel on the base and 1 ⁇ m of tin on the base).
- the conductor lead wire was placed on the anode side, the silver paste side of the conductor was placed on the cathode side, the former was connected by spot welding, and the latter was connected by silver paste.
- the silver paste used had a composition of 17% by mass of bismaleimide resin and 83% by mass of silver powder.
- Example 1 of the pamphlet of International Publication No. 2005-006360 (the lead part of the capacitor sintered body is attached to the jig by welding without using the apparatus of the present invention).
- Example 1 of WO 2005-006360 pamphlet realizes the manufacture of a capacitor with a narrow capacitance distribution. From this result, it was confirmed that the use of the manufacturing apparatus ⁇ method of the present invention not only achieves the efficiency of the manufacturing process but also provides an unexpected result that the homogeneity of the product is further improved. It was.
- FIG. 1 The conductor used in the manufacture of the solid electrolytic capacitor of the prior art is soldered.
- the typical perspective view which shows a elongate board.
- FIG. 2 is a schematic perspective view showing a jig for manufacturing a solid electrolytic capacitor mounted with a socket used in the apparatus for manufacturing a solid electrolytic capacitor of the present invention.
- FIG. 2 (a) shows a state before a conductor is connected.
- Fig. 2 (b) shows the state after conductors are connected.
- FIG. 3 is a step view showing a cross section at S—S ′ in FIG.
- FIG. 4 is a schematic perspective view showing another embodiment of a jig for manufacturing a solid electrolytic capacitor in which a socket used in the apparatus for manufacturing a solid electrolytic capacitor of the present invention is mounted.
- FIG. 5 is a schematic perspective view showing still another embodiment of a jig for manufacturing a solid electrolytic capacitor in which a socket used in the apparatus for manufacturing a solid electrolytic capacitor of the present invention is mounted.
- FIG. 6 is a schematic perspective view showing a state in which a conductor is inserted into a jig for manufacturing a solid electrolytic capacitor mounted with a socket used in the solid electrolytic capacitor manufacturing apparatus of the present invention. The mode of inserting one by one is shown, and (b) shows the mode of inserting two or more at a time.
- FIG. 7 is a schematic view showing the entire manufacturing apparatus for a solid electrolytic capacitor of the present invention.
- FIG. 8 is a schematic diagram showing the whole of another embodiment of the solid electrolytic capacitor manufacturing apparatus of the present invention.
- FIG. 9 is a schematic diagram showing a configuration of a frame used in the solid electrolytic capacitor manufacturing apparatus of the present invention (a state in which a solid electrolytic capacitor manufacturing jig is partially inserted).
- FIG. 10 is a schematic view showing a state in which the frame body is straddled over the treatment liquid tank in the solid electrolytic capacitor manufacturing apparatus of the present invention.
- FIG. 11 is a plan view showing a circuit structure (surface) of a jig for manufacturing a solid electrolytic capacitor used in the solid electrolytic capacitor manufacturing apparatus of the present invention.
- FIG. 12 is a plan view showing a circuit structure (back surface) of a jig for manufacturing a solid electrolytic capacitor used in the solid electrolytic capacitor manufacturing apparatus of the present invention.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020077024229A KR101147712B1 (ko) | 2005-03-24 | 2006-03-23 | 고체전해 콘덴서의 제조장치 및 제조방법 |
US11/909,535 US7938937B2 (en) | 2005-03-24 | 2006-03-23 | Solid-electrolyte capacitor manufacturing device and manufacturing method |
EP06745375.3A EP1865519A4 (en) | 2005-03-24 | 2006-03-23 | Solid-electrolyte capacitor manufacturing device and manufacturing method |
CN2006800096046A CN101147219B (zh) | 2005-03-24 | 2006-03-23 | 固体电解电容器的制造装置以及制造方法 |
JP2007509327A JP4050306B2 (ja) | 2005-03-24 | 2006-03-23 | 固体電解コンデンサの製造装置及び製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005-086820 | 2005-03-24 | ||
JP2005086820 | 2005-03-24 |
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WO2006101167A1 true WO2006101167A1 (ja) | 2006-09-28 |
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PCT/JP2006/305821 WO2006101167A1 (ja) | 2005-03-24 | 2006-03-23 | 固体電解コンデンサの製造装置及び製造方法 |
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US (1) | US7938937B2 (ja) |
EP (1) | EP1865519A4 (ja) |
JP (1) | JP4050306B2 (ja) |
KR (1) | KR101147712B1 (ja) |
CN (1) | CN101147219B (ja) |
WO (1) | WO2006101167A1 (ja) |
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US8847437B2 (en) | 2009-03-17 | 2014-09-30 | Showa Denko K.K. | Solid electrolytic capacitor element, method for manufacturing same, and jig for manufacturing same |
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US9224538B2 (en) | 2010-09-17 | 2015-12-29 | Showa Denko K.K. | Solid electrolytic capacitor element, method for producing same, and tool for producing said solid electrolytic capacitor element |
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JP2012186512A (ja) * | 2010-12-13 | 2012-09-27 | Showa Denko Kk | 連結ソケット及び該連結ソケットを用いたコンデンサ素子製造用治具 |
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WO2012081300A1 (ja) * | 2010-12-13 | 2012-06-21 | 昭和電工株式会社 | 連結ソケット及び該連結ソケットを用いたコンデンサ素子製造用治具 |
US9196428B2 (en) | 2010-12-13 | 2015-11-24 | Showa Denko K.K. | Gang socket and jig for manufacturing capacitor element that uses said gang socket |
CN103988273A (zh) * | 2011-12-07 | 2014-08-13 | 昭和电工株式会社 | 电容元件制造用夹具和电容元件的制造方法 |
CN103988273B (zh) * | 2011-12-07 | 2017-08-04 | 昭和电工株式会社 | 电容元件制造用夹具和电容元件的制造方法 |
CN105355472A (zh) * | 2015-11-04 | 2016-02-24 | 中国振华(集团)新云电子元器件有限责任公司 | 一种片式固体电容器芯子的涂覆及聚合装置 |
CN112927936A (zh) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | 高压大容量铝电解电容器及生产该电容器用钉接装置 |
CN112927936B (zh) * | 2021-01-23 | 2022-04-19 | 深圳市凯特电子有限公司 | 高压大容量铝电解电容器生产用钉接装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1865519A1 (en) | 2007-12-12 |
KR20070114223A (ko) | 2007-11-29 |
JP4050306B2 (ja) | 2008-02-20 |
JPWO2006101167A1 (ja) | 2008-09-04 |
KR101147712B1 (ko) | 2012-05-23 |
CN101147219A (zh) | 2008-03-19 |
CN101147219B (zh) | 2011-04-20 |
US7938937B2 (en) | 2011-05-10 |
US20090052118A1 (en) | 2009-02-26 |
EP1865519A4 (en) | 2018-03-14 |
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