WO2010137546A1 - 部品整列装置及び電子部品の製造方法 - Google Patents
部品整列装置及び電子部品の製造方法 Download PDFInfo
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- WO2010137546A1 WO2010137546A1 PCT/JP2010/058716 JP2010058716W WO2010137546A1 WO 2010137546 A1 WO2010137546 A1 WO 2010137546A1 JP 2010058716 W JP2010058716 W JP 2010058716W WO 2010137546 A1 WO2010137546 A1 WO 2010137546A1
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- Prior art keywords
- electronic component
- component
- jig
- storage recess
- guide plate
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims description 19
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- 238000010030 laminating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
-
- 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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- 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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
-
- 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
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53257—Means comprising hand-manipulatable implement
-
- 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
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53261—Means to align and advance work part
-
- 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
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53265—Means to assemble electrical device with work-holder for assembly
Definitions
- the present invention relates to an apparatus for aligning an electronic component such as a ceramic electronic component and a method of manufacturing an electronic component using the apparatus, for example, a component aligning apparatus and an apparatus for aligning an electronic component when forming an external electrode.
- the present invention relates to a method of manufacturing an electronic component used.
- a guide plate 1003 having a plurality of through holes 1003a is placed on the bed 1002.
- a chip-type electronic component 1004 is inserted into each through hole 1003 a of the guide plate 1003.
- the chip-type electronic component 1004 has a rectangular parallelepiped shape. One end of the chip-type electronic component 1004 in the length direction protrudes upward from the through hole 1003a. As shown in FIG. 16, when viewed in plan, the diagonal dimension of the chip-type electronic component 1004 and the inner diameter of the through hole 1003a are substantially equal. Accordingly, the chip-type electronic component 1004 is held in the correct orientation without rattling in the through hole 1003a.
- a film 1006 having an adhesive layer 1005 formed on the lower surface is attached to the lower surface of the top plate 1007.
- the top plate 1007 is lowered and the adhesive layer 1005 is brought into contact with one end of the chip-type electronic component 1004.
- the top plate 1007 is moved upward, and the chip-type electronic component 1004 is immersed in the conductive paste layer from the end opposite to the side fixed to the adhesive layer 1005 of the chip-type electronic component 1004.
- a conductive paste is applied.
- chip-type electronic components have been strongly demanded to be downsized and particularly low-profile. Therefore, chip-type electronic components have been made thinner. As described above, when the small electronic component becomes thinner, when the alignment apparatus 1001 described in Patent Document 1 is used, it becomes difficult to apply the conductive paste to a large number of chip-type electronic components with high accuracy. ing. This is shown in FIGS.
- FIGS. 17A and 17B are a schematic plan view and a partially cutaway front sectional view showing a state where the thin chip electronic component 1010 is inserted in the through hole 1003a in the correct orientation.
- the chip-type electronic component 1010 only needs to be held in the through hole 1003 in the correct direction. However, since the chip-type electronic component 1010 is thin, the chip-type electronic component 1010 moves in the direction of arrow A in FIG. Tended to be.
- the chip-type electronic component 1010 may be inclined in the through hole 1003a in an oblique direction. Further, as shown in FIGS. 19A and 19B, two chip-type electronic components 1010 may be erroneously inserted into one through hole 1003a.
- An object of the present invention is to ensure that a plurality of chip-type electronic components are aligned in the correct orientation even when the chip-type electronic components are made thinner. It is an object of the present invention to provide a component aligning device that makes it possible to apply a high accuracy. Another object of the present invention is to provide a method for manufacturing an electronic component using the component aligning apparatus.
- a component alignment jig for aligning electronic components the target electronic component has a rectangular parallelepiped shape having a length dimension L, a width dimension W, and a thickness dimension T, Of the outer surfaces of the electronic component, the surface along the length direction and the width direction is the WL surface, the surface along the width direction and the thickness direction is the WT surface, and the surface along the length direction and the thickness direction is the LT surface.
- the depth Z of the storage recess is shorter than the length L of the electronic component, and when the storage recess is viewed in plan, the opposing distance between the inner peripheral surfaces of the storage recess, W> S> T, where S is the shortest distance that is the narrowest distance greater than the thickness dimension T. And it comprises a component alignment fixture and, component alignment apparatus is provided.
- a guide plate placed on the component alignment jig is further provided to guide one electronic component to the storage recess of the component alignment jig.
- the guide plate has a plurality of through holes penetrating from the upper surface toward the lower surface, where L> D> W, where D is the diameter of the through hole.
- the guide plate and the component alignment jig are placed on a stacked body, and one electronic component is placed in the through hole of the guide plate.
- the transfer tool further includes a transfer tool, wherein the transfer jig has a plurality of recesses on one surface, and each recess is formed so that the electronic component is accommodated with the WL surface of the electronic component facing down. Yes. Therefore, by placing the transfer jig on the laminated body in which the guide plate and the component alignment jig are stacked so that the recess of the transfer jig faces the through hole of the guide plate, the transfer plate is accommodated in the recess of the transfer jig.
- the electronic component that has been placed can be easily dropped into the through-hole, and as a result, the electronic component can be more securely stored in the correct orientation in the storage recess of the component alignment jig.
- a first stripe-shaped space and a second stripe-shaped space intersecting each other when viewed in plan in the storage recess of the component aligning jig, A plurality of protrusions projecting into the storage recess from an inner surface of the alignment jig facing the storage recess, the first stripe-shaped space and the second stripe-shaped space being formed.
- the first and second stripe-like spaces form a cross-like space when viewed in plan.
- the first and second stripe-shaped spaces are substantially orthogonal, chip-type electronic components supplied in various directions can be reliably and easily stored in the first or second stripe-shaped space. Can do.
- An electronic component manufacturing method is a method of manufacturing an electronic component using a component aligning apparatus configured according to the present invention, and is a rectangular parallelepiped having a length direction dimension L, a width dimension W, and a thickness dimension T.
- a step of immersing from the WT surface side opposite to the side attached to the holding member is performed after aligning the electronic components with the component aligning device of the present invention, the electronic components of the adhesive holding member are transferred, and the electronic components held by the adhesive holding member are placed in the correct orientation with respect to the conductive paste.
- the conductive paste can be applied to the electronic component with high accuracy from the WT surface side of the electronic component.
- the guide plate prior to storing the electronic component in the storage recess of the alignment jig, the guide plate is placed on the upper surface of the alignment jig, The electronic component is inserted into the storage recess of the alignment jig through the through hole of the guide plate. In this case, the electronic component is rapidly supplied from the through hole of the guide plate to the storage recess of the alignment jig.
- the electronic component prior to inserting the electronic component into the through hole of the guide plate, the electronic component is stored in the recess of the transfer jig; A step of placing the transfer jig on the guide plate above the laminated body including the guide plate and the alignment jig so that the recess of the transfer jig faces the through hole; and the transfer jig. And a step of dropping the electronic component housed in the recess of the tool into the through hole of the guide plate.
- the shortest interval S between the inner peripheral surfaces of the storage recesses of the component alignment jig is W> S> T, even if the electronic component is made thinner, The electronic component can be reliably positioned in the correct direction in the storage recess. Therefore, according to the electronic component manufacturing method of the present invention, the plurality of electronic components can be reliably aligned and held in the plurality of storage recesses only by inserting the electronic component into the storage recess of the component alignment jig.
- FIG. 1A is a perspective view of electronic components aligned in an embodiment of the present invention
- FIG. 1B is a front sectional view thereof
- 2A and 2B are a front cross-sectional view and a plan view showing a state where an electronic component is housed in a recess in a transfer jig prepared in one embodiment of the present invention.
- FIG. 3 is a schematic perspective view for explaining the shape of the recess of the transfer jig in one embodiment of the present invention.
- FIG. 4 is a front sectional view showing the component aligning apparatus according to the embodiment of the present invention.
- FIG. 5A and 5B are a schematic perspective view and a partially cutaway front sectional view for explaining a preferred modification of one through hole of a guide plate prepared in one embodiment of the present invention.
- FIG. 6A is a plan view of one storage recess of the component alignment jig according to the embodiment of the present invention, and FIG. 6B shows a portion where the storage recess is provided.
- FIG. 2 is a partially cutaway front sectional view taken along line AA, and FIG. 3C is a schematic plan view for explaining a stripe-shaped space.
- FIG. 7A is a front cross-sectional view showing a state in which an electronic component is stored in a storage recess in the manufacturing method of one embodiment of the present invention, and FIG.
- FIG. 7B is one electronic component in one storage recess.
- FIG. 8 is a schematic plan view taken along the line BB in FIG.
- FIG. 8 is a front cross-sectional view showing a state in which a plurality of electronic components are held by a component aligning jig in the manufacturing method of one embodiment of the present invention.
- FIG. 9 is a schematic front cross-sectional view for explaining a step of taking out an electronic component from a component alignment jig by an adhesive holding member in an embodiment of the present invention.
- FIG. 10A is a schematic front cross-sectional view for explaining a process of applying a conductive paste to a plurality of electronic components held by an adhesive holding member in the manufacturing method of one embodiment of the present invention.
- FIG. 11 is a schematic plan view for explaining a modification of the stripe-shaped space of the storage recess in the component alignment jig of the present invention.
- FIG. 12 is a schematic plan view for explaining another modification of the stripe-shaped space of the storage recess in the component alignment jig of the present invention.
- FIGS. 13A and 13B are schematic plan views for explaining still another modified example of the shape of the storage recess in the present invention.
- FIG. 14 is a schematic plan view for explaining still another modified example of the shape of the storage recess in the present invention.
- FIG. 15 is a front sectional view for explaining an example of a conventional component aligning apparatus.
- FIG. 16 is a schematic plan view of a guide plate of a conventional component aligning apparatus.
- FIGS. 17A and 17B are a schematic plan view and a partially cutaway front sectional view showing a state in which electronic components are arranged in the correct orientation in a conventional component aligning apparatus.
- 18 (a) and 18 (b) are a schematic plan view and a schematic partial cutaway front sectional view for showing a state in which electronic components are tilted and stored in a conventional component aligning apparatus.
- FIGS. 19A and 19B are a schematic plan view and a schematic partial cutaway front sectional view showing a state in which a plurality of electronic components are erroneously stored in one storage recess in the conventional component alignment apparatus. is there.
- FIG. 1A is a perspective view and a front sectional view showing electronic components aligned in an embodiment of the present invention.
- the chip-shaped electronic component 1 has a rectangular parallelepiped shape.
- the length dimension of the electronic component 1 is L
- the width dimension is W
- the thickness dimension is T.
- the expression of the outer surface of the electronic component 1 is expressed as follows: the surface along the length direction and the width direction is the WL surface, the surface along the width direction and the thickness direction is the WT surface, and the length direction.
- the surface along the thickness direction is the LT surface.
- the upper surface 1a and the lower surface 1b of the electronic component 1 are WL surfaces.
- the side surfaces 1c and 1d extending in the length direction are LT surfaces, and the pair of side surfaces 1e and 1f extending in the width direction are WT surfaces.
- the electronic component 1 aligned in the present embodiment is a multilayer capacitor chip before external electrode formation. That is, as shown in FIG. 1B, in the electronic component 1, in the rectangular parallelepiped ceramic sintered body, the first internal electrodes 2 and 2 and the second internal electrodes 3 and 3 are interposed via the ceramic layer. Are arranged to overlap each other. The internal electrode 2 is drawn out to the side surface 1e, and the internal electrode 3 is drawn out to the side surface 1f.
- the external electrode is formed by applying and baking a conductive paste on the side surfaces 1e and 1f of the electronic component 1.
- the component aligning apparatus aligns the plurality of electronic components 1 in order to apply the conductive paste with high accuracy before applying the conductive paste.
- FIG. 4 is a schematic front sectional view showing the overall structure of the component aligning device 11 of the present embodiment.
- the component alignment device 11 includes a component alignment jig 12, a guide plate 13 disposed on the component alignment jig 12, and a transfer jig 14 placed on the guide plate 13.
- FIG. 2 (a) and 2 (b) are a front sectional view and a plan view of the transfer jig 14.
- FIG. 4 and 7A, the transfer jig 14 is shown upside down as will be described later.
- the transfer jig 14 is made of a rectangular plate-like member.
- the transfer jig 14 can be formed of an appropriate rigid material such as metal.
- a plurality of recesses 14 b are formed on the one main surface 14 a of the transfer jig 14.
- the plurality of recesses 14b have rectangular openings.
- the recess 14b is formed so that the electronic component 1 is accommodated with the WL surface of the electronic component 1 described above facing down. Accordingly, the planar shape of the recess 14b is equal to the WL surface of the electronic component 1, but is preferably slightly larger than the WL surface.
- FIG. 3 is an enlarged perspective view showing only a portion where one recess 14b is provided.
- the guide plate 13 is a plate-like member, and has a plurality of through holes 13c penetrating from the upper surface 13a toward the lower surface 13b.
- D satisfies L> D> W.
- the through hole 13 c has an opening on the upper surface 13 a side of the guide plate 13. It is desirable that the opening is tapered in the depth direction so as to be larger than the lower portion. That is, it is desirable to provide a tapered surface 13d having a truncated cone shape. As a result, the electronic component 1 can be guided into the through hole 13c from above without difficulty. But the taper surface 13d does not necessarily need to be provided.
- the component alignment jig 12 is a plate-shaped member having an upper surface 12a and a lower surface 12b, and the plate-shaped member is configured by laminating a plurality of sheets.
- a plurality of storage recesses 15 are formed in the upper surface 12a.
- the storage recess 15 has a bottom and opens toward the upper surface 13a.
- the depth Z of the storage recess 15 is shown in a schematic plan view and a partially cutaway front sectional view in FIGS. 6A and 6B, where the storage recess 15 is formed.
- the component alignment jig 12 is formed by laminating sheets 16a to 16h in this order from the bottom.
- a cross-shaped through hole shown in FIG. 6C is formed in the sheets 16a to 16h, thereby forming a cross-shaped space 17 in plan view.
- the cross-shaped space 17 is configured by forming a plurality of protrusions 15b to 15e protruding inward from the inner wall of the recess in the storage recess 15.
- the cross-shaped space 17 is a space provided so that the first stripe-shaped space 17a and the second stripe-shaped space 17b are orthogonal to each other.
- the first stripe space 17a and the second stripe space 17b have the same size.
- the electronic component 1 can be stored in the storage recess 15 without difficulty in the correct posture.
- W> S> T where S is the shortest distance that is the narrowest distance among the opposing distances of the inner peripheral surface of the storage recess 15.
- the shortest interval S in the storage recess 15 of the present embodiment is the width-direction dimension x of the first and second stripe-shaped spaces 17a and 17b, as is apparent from FIG. Therefore, W> x> T.
- the planar shape of the storage recess 15 can be appropriately changed as will be apparent from the modification example described later.
- the cross-shaped space 17 is formed in the sheets 16h to 16d. Therefore, the posture of the stored electronic component 1 can be corrected in the two cross-shaped spaces 17, so that the electronic component 1 can be stored in the correct posture more reliably.
- first stripe-shaped space 17a and the second stripe-shaped space 17b are arranged so as to be orthogonal to each other.
- first stripe-shaped space 17a and the second stripe-shaped space 17b are not necessarily orthogonal to each other.
- the second striped spaces 17a and 17b may intersect.
- the sheets 16a to 16h of the component aligning jig 12 can be formed by laminating sheets made of an appropriate synthetic material such as ceramics, laminating and firing together, or laminating synthetic resin sheets. it can.
- the transfer jig 14 is arranged so that one main surface 14a of the transfer jig 14 faces upward.
- a large number of electronic components 1 are supplied from above and, for example, by applying vibration to the transfer jig 14, the electronic components 1 are accommodated in the recesses 14b.
- one electronic component 1 can be reliably stored in one recess.
- the electronic components that are not stored in the recess 14b on the one main surface 14a are removed. In this way, the state shown in FIGS. 2A and 2B is realized.
- a laminate in which the guide plate 13 is laminated on the component alignment jig 12 described above is prepared.
- the guide plate 13 is positioned on the component alignment jig 12 so that the through hole 14 c is positioned above the storage recess 15.
- the transfer jig 14 in which the electronic component 1 is housed in each recess 14b is turned upside down and placed on the guide plate 13 as shown in FIG.
- a laminated body composed of the guide plate 13 and the component alignment jig 12 is placed upside down on FIG. 4 on one main surface 14a of the transfer jig 14 shown in FIG. Just flip it upside down.
- the transfer jig 14 is positioned with respect to the guide plate 13 so that a part of the recess 14b of the transfer jig 14 faces the through hole 13c of the guide plate 13.
- a part of the electronic component 1 is in contact with the upper surface 13a of the guide plate 13, and the remaining part is located on the through hole 13c.
- the electronic component 1 is dropped into the through-hole 13c, for example, by applying vibration to the laminated body from a vibration source. Since the diameter D of the through hole 13c satisfies L> D> W, the electronic component 1 falls in such a manner that the length direction thereof becomes the depth direction of the through hole 13c. Further, one electronic component 1 housed in one recess 14b is reliably dropped into one through hole 13c. Therefore, the plurality of electronic components 1 do not enter the single through hole 13c by mistake.
- the electronic component 1 subjected to vibration reaches the storage recess 15 of the component alignment jig 12 below the through-hole 13c, and is stored in the storage recess 15 as shown in FIG.
- the storage recess 15 is configured to have the circular through hole and the cross-shaped space 17 described above, as shown in FIGS.
- the opening 15a which is a deformed through hole, is easily guided to the storage recess 15 and further stored in the first stripe-shaped space 17a or the second stripe-shaped space 17b. That is, since the width x of the first and second stripe-shaped spaces 17a and 17b satisfies W> x> T, the electronic component 1 always has the first stripe-shaped space 17a or the second stripe-shaped space. It will be stored in the space 17b.
- the elongate electronic component 1 can be reliably positioned so that the length direction thereof is substantially in the vertical direction.
- the electronic component 1 is stored in the storage recess 15 in a state where one of the WT surfaces of the stored electronic component 1 protrudes upward.
- the plurality of electronic components 1 are formed on the upper surface 12a of the component alignment jig 12, as shown in FIG.
- the plurality of electronic components 1 are aligned and held by the component alignment jig 12 so that the one WT surface protrudes upward.
- the adhesive holding member 21 is lowered from above.
- the adhesive holding member 21 includes a holder plate 22 and an adhesive layer 23 provided on the lower surface of the holder plate 22.
- the pressure-sensitive adhesive layer 23 comes into contact with the WT surface located at the upper end of the electronic component 1, the plurality of electronic components 1 are held by the pressure-sensitive adhesive layer 23 due to the adhesive action.
- the electronic component 1 coated with the conductive paste After applying the conductive paste, it is dried and further applied to the opposite WT surface in the same manner as described above. Thereafter, by heating the electronic component 1 coated with the conductive paste and baking the conductive paste, external electrodes can be formed on both WT surfaces of the electronic component 1, respectively.
- the electronic component can be completed and the accuracy of the external electrode can be increased.
- the manufacturing method of the present embodiment even if the electronic component 1 is downsized, in particular, the thickness is reduced, W> S> T in the component alignment jig 12, In the housing recess 15 of the component alignment jig 12, the electronic component 1 can be reliably held in the correct orientation with the WT surface protruding upward. Therefore, even when the electronic component is thinned, the conductive paste can be applied to the WT surface of the electronic component 1 with high accuracy.
- the first and second stripe-shaped spaces 17a and 17b intersect to form the cross-shaped space 17.
- the planar shape of the storage recess of the component alignment jig 12 is as follows. It is not limited to this.
- a single stripe-shaped space 17A may be formed.
- 11 to 14 schematically show a portion in which the electronic component 1 is accommodated.
- the width direction dimension is the shortest interval S.
- the striped space 17A may have a rounded oval shape.
- the oval space 17B may be used.
- the shortest interval S larger than T is the position shown in the figure.
- the shortest interval S ′ is the shortest interval among the intervals larger than the thickness T of the electronic component 1.
- the storage recess 15B may have a shape in which semicircular spaces are connected to each other on both sides in the length direction of the striped space when viewed in plan. Good.
- the distance between the protrusions 15f and 15g is the shortest distance S.
- the substantially circular spaces 18a and 18b are combined in a plan view at both ends in the lengthwise direction of the striped space 17C with respect to the striped space 17C. Yes.
- three or more stripe-shaped spaces 17a to 17c may be crossed.
- the manufacturing method of the multilayer capacitor has been described.
- the present invention can be widely used for aligning various electronic components that are required to be reduced in size and height.
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
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- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
1a…上面
1b…下面
1c~1f…側面
2…第1の内部電極
3…第2の内部電極
11…部品整列装置
12…部品整列治具
12a…上面
12b…下面
13…ガイドプレート
13a…上面
13b…下面
13c…貫通孔
13d…テーパー面
14…振り込み治具
14a…一方主面
14b…凹部
14c…貫通孔
15…収納凹部
15B…収納凹部
15a…開口部
15b~15g…突起
16a~16h…シート
17…十字状空間
17a…第1のストライプ状空間
17b…第2のストライプ状空間
17c…ストライプ状の空間
17A…ストライプ状の空間
17B…長楕円形状の空間
17C…ストライプ状の空間
18a,18b…略円形の空間
21…粘着性保持部材
22…ホルダープレート
23…粘着剤層
24…導電ペースト層
25…塗布ステージ
Claims (9)
- 電子部品を整列させるための部品整列治具であって、
対象とする電子部品が、長さ寸法L、幅寸法W及び厚み寸法Tである直方体状の形状を有し、該電子部品の外表面の内、長さ方向と幅方向に沿う面をWL面、幅方向と厚み方向に沿う面をWT面、長さ方向と厚み方向に沿う面をLT面とすると、
表面に開いた複数の収納凹部を有し、該収納凹部に1つの前記電子部品が一方の前記WT面を上にした状態で該収納凹部から上方に部分的に突出した状態で保持されるように、前記収納凹部の深さZが前記電子部品の長さLよりも短くされており、かつ該収納凹部を平面視した際に、該収納凹部の内周面間の対向距離であって、前記厚み寸法Tよりも大きい、最も狭い距離である最短間隔をSとしたときに、W>S>Tとされている部品整列治具を備える、部品整列装置。 - 前記部品整列治具の前記収納凹部に1つの電子部品を導くために前記部品整列治具上に載置されるガイドプレートをさらに備え、
前記ガイドプレートは、上面から下面に向かって貫く複数の貫通孔を有し、該貫通孔の径をDとしたときに、L>D>Wである、請求項1に記載の部品整列装置。 - 前記ガイドプレート及び前記部品整列治具が積層されている積層体上に載置され、前記ガイドプレートの前記貫通孔に1つの電子部品を振り込むための振り込み治具をさらに備え、
前記振り込み治具は、一方面に複数の凹部を有し、各凹部は前記電子部品のWL面を下にして電子部品が収納されるように形成されている、請求項2に記載の部品整列装置。 - 前記部品整列治具の前記収納凹部内において、平面視した際に互いに交差する第1のストライプ状空間と第2のストライプ状空間とを形成するように、前記整列治具の前記収納凹部に臨む内側面から前記収納凹部内に突出する複数の突起が形成されており、
前記第1のストライプ状空間及び第2のストライプ状空間の幅をxとしたとき、W>x>Tであり、前記ストライプ状空間の長さをyとしたとき、y>Wである、請求項1~3のいずれか一方に記載の部品整列装置。 - 前記第1,第2のストライプ状空間が、平面視した際に、十字状の空間を形成している、請求項4に記載の部品整列装置。
- 請求項1~5のいずれか1項に記載の部品整列装置を用いた電子部品の製造方法であって、
長さ方向寸法L、幅寸法W及び厚み寸法Tである直方体状であって、L>W>Tである電子部品を用意する工程と、
前記電子部品を前記WT面が上方に位置し、かつ前記整列治具の表面から上方に突出するように、前記電子部品整列治具の前記収納凹部に前記電子部品を挿入する工程とを備える、電子部品の製造方法。 - 前記整列治具の前記収納凹部に収納されている前記電子部品の上方のWT面に粘着性保持部材を当接させる工程と、
前記粘着性保持部材を前記整列治具から遠ざかるように移動し、粘着性保持部材で前記電子部品を保持した状態で電子部品を移送する工程と、
前記電子部品を導電ペーストに前記電子部品の粘着性保持部材に貼付されている側とは反対側のWT面側から浸漬する工程とをさらに備える、請求項6に記載の電子部品の製造方法。 - 前記整列治具の収納凹部に前記電子部品を収納するに先立ち、前記整列治具の上面に前記ガイドプレートを載置し、ガイドプレートの貫通孔を経て前記整列治具の収納凹部に前記電子部品を挿入する、請求項7に記載の電子部品の製造方法。
- 前記ガイドプレートの貫通孔に前記電子部品を挿入するに先立ち、前記振り込み治具の凹部に電子部品を収納する工程と、前記ガイドプレート及び前記整列治具からなる積層体の上方に、該振り込み治具の凹部が前記貫通孔に臨むように前記振り込み治具を前記ガイドプレート上に載置する工程と、
前記振り込み治具の凹部に収納された電子部品を前記ガイドプレートの貫通孔に落下させる工程とをさらに備える、請求項8に記載の電子部品の製造方法。
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