WO2011148615A1 - 部品内蔵基板 - Google Patents
部品内蔵基板 Download PDFInfo
- Publication number
- WO2011148615A1 WO2011148615A1 PCT/JP2011/002874 JP2011002874W WO2011148615A1 WO 2011148615 A1 WO2011148615 A1 WO 2011148615A1 JP 2011002874 W JP2011002874 W JP 2011002874W WO 2011148615 A1 WO2011148615 A1 WO 2011148615A1
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- WIPO (PCT)
- Prior art keywords
- component
- substrate
- resin
- built
- resin layer
- Prior art date
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
-
- 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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- 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
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
-
- 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
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
- H05K1/112—Pads for surface mounting, e.g. lay-out directly combined with via connections
- H05K1/113—Via provided in pad; Pad over filled via
-
- 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
- H05K2201/04—Assemblies of printed circuits
- H05K2201/049—PCB for one component, e.g. for mounting onto mother PCB
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09663—Divided layout, i.e. conductors divided in two or more parts
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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
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10636—Leadless chip, e.g. chip capacitor or resistor
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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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/03—Metal processing
- H05K2203/0376—Etching temporary metallic carrier substrate
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/205—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using a pattern electroplated or electroformed on a metallic carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a component-embedded substrate in which a component (electronic component) such as a so-called LW reverse type capacitor is embedded in a resin layer, and more particularly to improvement of resin filling under the component.
- a component electronic component
- LW reverse type capacitor so-called LW reverse type capacitor
- a component-embedded substrate also referred to as a component-embedded module having a structure in which a component is mounted on a core substrate and embedded in a resin layer is known (for example, Patent Document 1 (paragraphs [0022]-[0026] ], FIG. 4 etc.)).
- the resin layer of the component-embedded substrate having this structure is formed of a thermosetting resin (or a thermoplastic resin).
- the semi-cured resin sheet 101 shown in FIG. Prepared.
- the semi-cured resin sheet 101 is, for example, a thermosetting epoxy resin sheet containing an inorganic filler and forms the above-described resin layer, and protective films 102 are laminated on both surfaces thereof.
- the protective film 102 is a thin film such as polyethylene terephthalate (PET) or polyphenylene sulfide (PPS).
- via holes 108 for interlayer connection are formed at predetermined positions of the semi-cured resin sheet 101, and the conductive paste 109 is filled in the via holes 108 by a screen printing method or the like.
- a circuit board 110 prepared in advance is formed on the surface of each circuit board 110, for example, above and below the semi-cured resin sheet 101.
- the via connection lands (substrate electrodes) 112 and the via holes 108 formed in the semi-cured resin sheet 101 are joined to each other in an aligned state.
- the lower circuit board 110 is a core board, and the component 111 is mounted on the core board.
- the upper and lower circuit boards 110 and the semi-cured resin sheet 101 are heated and pressed at, for example, 180 ° C., and at this time, the semi-cured resin sheet 101 is once softened, and the resin is indicated by an arrow line in FIG.
- the component 111 is embedded in the semi-cured resin sheet 101, and then the semi-cured resin sheet 101 and the conductive paste 109 are cured to obtain the component-embedded substrate 100.
- a coreless substrate structure in which a core substrate such as the lower circuit substrate 110 is omitted.
- 10A and 10B are a perspective view and a plan view of a normal chip capacitor 200.
- the rectangular chip capacitor 200 is in contact with both ends (two short sides of the mounting surface) of the main body 201 on the mounting surface.
- External electrodes 202 are formed on the respective surfaces.
- the length of the two sides on the short side of the mounting surface on which the external electrode 202 is formed is the W dimension
- the length of the two sides on the long side (longitudinal direction) orthogonal thereto is the L dimension.
- the width of the external electrode 202 is called e dimension
- the length of the main body 201 between the external electrodes 102 is called g dimension.
- 11A and 11B are a perspective view and a plan view of the LW reverse type chip capacitor 300.
- the chip capacitor 300 is in contact with both end surfaces (two long sides of the mounting surface) of the main body 301 on the mounting surface.
- External electrodes 302 are formed on the respective surfaces.
- the length (W dimension) of the two surfaces on which the external electrodes 302 are formed is longer than the length (L dimension) of the two side surfaces orthogonal to the two surfaces, as is apparent from FIG.
- L ⁇ W the relationship between the L dimension and the W dimension is opposite to that of the normal chip capacitor 200, and the g dimension is also smaller than that of the normal chip capacitor 200.
- the LW reverse type chip capacitor 300 has a small ESL (equivalent series inductance), and is useful as a capacitor for decoupling ESL (equivalent series inductance) of various semiconductor circuits whose speed is increased and drive voltage is reduced. .
- the core substrate lower When mounted on the circuit board 110 on the side, a long and narrow gap between the external electrodes 302 is formed on the lower side (core board side). For this reason, in the process of embedding the chip capacitor 300 in the resin layer after the chip capacitor 300 is mounted on the substrate, even if the resin of the uncured (semi-cured) resin layer is spread by heating and pressing, the resin sufficiently wraps around the gap. However, a defective filling occurs and a defect such as a solder flash due to a subsequent reflow process occurs.
- chip capacitor 300 not only the chip capacitor 300 but also various LW reverse type chip parts have the problems associated with the resin filling failure described above.
- 12A and 12B are a cross-sectional view of the component-embedded substrate 400 showing an example of the above-described problem, and a bottom view of the resin state of the chip component 402 as viewed from the top surface of the core substrate 401.
- the external electrode 404 is mounted on the core substrate 401 by bonding to each land electrode 406 on the upper surface of the core substrate 401 by a bonding material 405 such as solder.
- Each land electrode 406 on the upper surface of the core substrate 401 is connected to the lower electrode 408 of the core substrate 401 via via conductors 407 that penetrate the core substrate 401.
- the chip component 402 is embedded and embedded in a resin layer 409 such as the semi-cured resin sheet 101 of FIG. 9, but has a long and narrow path shape sandwiched between the external electrodes 404 on the two sides below the chip component 402.
- a resin layer 409 such as the semi-cured resin sheet 101 of FIG. 9, but has a long and narrow path shape sandwiched between the external electrodes 404 on the two sides below the chip component 402.
- the uncured (semi-cured) resin 409a before curing of the resin layer 409 does not completely wrap around the gap ⁇ , as shown in FIG. Will occur and cause problems.
- the amount of solder applied as the bonding material 405 is increased during component mounting, and the chip component 402 is pushed up by the surface tension to widen the gap ⁇ in the height direction. It is possible.
- FIG. 13 is a cross-sectional view of a component built-in substrate 500 formed by increasing the amount of solder applied as the bonding material 405.
- This component built-in substrate 500 is compared with the component built-in substrate 400 of FIG. As is clear, the bonding material 405 pushes up the chip component 402, and the gap ⁇ is widened in the height direction. Therefore, in the component-embedded substrate 500, the resin easily goes around to the lower side of the chip component 402, and the occurrence of resin filling failure is prevented.
- the component-embedded substrate 500 is bulkier than the component-embedded substrate 400. Therefore, increasing the amount of solder applied as the bonding material 405 and widening the gap ⁇ on the lower side of the chip component 402 in the height direction cannot meet the demand for a reduction in height (miniaturization). Not right.
- the component-embedded substrate has a coreless substrate structure in which the core substrate is omitted, inconvenience due to the above-described resin filling failure occurs.
- the resin is surely placed in the gap without expanding the gap on the lower side of the component in the height direction.
- the purpose is to wrap around and fill.
- the component-embedded substrate of the present invention includes a component embedded in a resin layer and a component mounting electrode to which an external electrode of the component is joined, and the component mounting electrode includes: A concave groove through which the resin before curing of the resin layer flows is formed in the transverse direction (Claim 1).
- the component mounting electrode is formed by arranging a plurality of divided electrodes in a column, and the concave groove is formed between the divided electrodes. It is characterized by being formed by the gap
- the component mounting electrode has a long rectangular shape, and the concave groove is formed in a direction perpendicular to the long side of the mounting electrode. It is formed (claim 3).
- the component has a rectangular parallelepiped shape, and has a structure in which the external electrode is formed on each surface in contact with two long sides of a rectangular mounting surface. (Claim 4).
- the component is a rectangular parallelepiped chip capacitor (Claim 5).
- the concave groove in the transverse direction is formed in the component mounting electrode, when the external electrode is bonded to the component mounting electrode and embedded in the resin layer, the resin layer The uncured resin flows through the concave groove and sufficiently wraps around the lower part of the component, so that the resin is satisfactorily filled into the gap without expanding the lower gap of the component in the height direction.
- the resin can surely go around and be filled in the gap on the lower side of the component, and the filling state of the resin is improved to prevent the occurrence of problems such as solder flash at the time of subsequent reflow. be able to.
- the groove is easily formed by the gap between the divided electrodes, and the effect of the invention of claim 1 is obtained. Can do.
- the concave groove is formed in the direction orthogonal to the long side of the long rectangular component mounting electrode, so that the resin before curing flows through the groove and the effect of claim 1 is achieved. Can play.
- the gap between the external electrodes on the lower side of the component is a long and narrow path, and it is particularly difficult for the resin to wrap around.
- the groove flows through the groove and sufficiently wraps around the gap on the lower side of the component to provide the effect of the invention of claim 1.
- the effect of the invention of claim 3 can be obtained when the LW reverse type chip component is a rectangular parallelepiped chip capacitor.
- (A), (b) is sectional drawing of the side surface of the component built-in board
- (A)-(c) is explanatory drawing of the resin filling state of the component built-in board
- substrate of FIG. (A)-(e) is sectional drawing for description of the manufacturing process of the component built-in board
- FIG. 1 It is a sectional view of a part of a component built-in substrate according to a third embodiment of the present invention.
- (A), (b) is explanatory drawing of the other example of the ditch
- (A)-(c) is sectional drawing for description of the manufacturing process of the board
- (A), (b) is the perspective view and top view of a normal chip component.
- (A), (b) is the perspective view and top view of LW reversal type chip parts.
- (A), (b) is sectional drawing at the time of incorporating the LW inversion type chip component in the board
- FIG. 1 (a) and 1 (b) show a component built-in substrate 1a of the present embodiment, and the component built-in substrate 1a is formed by laminating a resin layer 3 on a substrate body 2 serving as a core substrate.
- the substrate body 2 is a base body formed of, for example, a glass epoxy substrate which is an example of a multilayer / single-layer wiring board, and a land electrode 4 as a component mounting electrode of the present invention is formed on the upper surface by printing or the like.
- the lower surface electrode 5 is formed on the lower surface by printing or the like, and the land electrode 4 and the lower surface electrode 5 are connected via a through-type via conductor 6 in the substrate body 2.
- the component 7 is mounted on the upper surface side (mounting surface side) of the substrate body 2.
- the component 7 may be various electronic components incorporated in the resin layer 3, but in the present embodiment, a rectangular parallelepiped LW reverse type chip component, more specifically, for example, FIG.
- This is an LW reverse type chip capacitor (for example, L dimension: 0.8 mm, W dimension: 1.6 mm, height 0.5 mm) similar to the chip capacitor 300 shown in b).
- the component 7 has a shape in which W-shaped external electrodes 71a and 71b are respectively formed on surfaces that are in contact with two long sides of the rectangular mounting surface (lower surface), and the main body 72 is sandwiched between the external electrodes 71a and 71b. is there.
- External electrodes 71a and 71b are connected to each land electrode 4 by a bonding material 8 such as solder.
- the LW reverse type chip capacitor of the component 7 has L ⁇ W, the W dimension is large, and the g dimension is small. Therefore, when the land electrodes 4 of the external electrodes 71a and 71b are formed by continuous copper foil patterns or the like along the external electrodes 71a and 71b, the external electrodes 71a and 71b are bonded to the land electrodes 4 by the bonding material 8, respectively.
- an elongated narrow channel-like gap ⁇ sandwiched between the external electrodes 71 a and 71 b is formed on the lower side of the component 7.
- the gap ⁇ is not cured. There is a possibility that the uncured (semi-cured) resin does not sufficiently wrap around.
- a plurality of divided electrodes 41 are arranged in tandem to form the land electrodes 4 of the external electrodes 71a and 71b, and the gap ⁇ 1 between the divided electrodes 41 allows the resin to flow in the transverse direction.
- a concave groove 9a is formed.
- each land electrode 4 is formed by two divided electrodes 41 made of, for example, a copper foil having a foil thickness of 18 ⁇ m, and external electrodes 71a. , 71b, a concave groove 9a is formed below the central part in the longitudinal direction.
- the resin layer 3 is formed, for example, by heating and pressing a thermosetting epoxy resin sheet containing an inorganic filler to 180 ° C., for example, as described above by thermocompression bonding (heating / pressing) in a vacuum environment. By this heating and pressing, uncured (including semi-cured) resin 31 is spread downward and in the left-right direction, so that component 7 is embedded in resin 31. In this state, resin 31 is cured and resin layer 3 is formed. It is formed.
- the uncured resin 31 spread by the heating and pressing is a gap ⁇ at the lower part of the component 7 as shown in the state of resin filling in FIG.
- the electrodes enter from the concave groove 9a of the gap ⁇ 1. Therefore, as shown in the state after the completion of filling in FIG. 2C as viewed from the lower surface side of the component 7, the resin 31 surely wraps around and is filled in the gap ⁇ .
- the transverse concave groove 9a is formed by the gap ⁇ 1 between the divided electrodes 41 that form the land electrode 4 of the substrate body 2, whereby the mounted LW reverse type chip capacitor component 7 is formed.
- the uncured resin 31 passes through the concave groove 9 a into the long narrow narrow gap ⁇ on the lower side of the component 7 without expanding the gap ⁇ in the height direction and making it bulky. Enough to wrap around, the gap ⁇ is reliably filled with resin. Therefore, it is possible to provide the component-embedded substrate 1a having a core substrate structure that does not cause problems such as reflow solder flash.
- FIG. 3 shows the component built-in substrate 1b of the present embodiment, in which the same reference numerals as those in FIGS. 1 and 2 indicate the same or corresponding components.
- the component built-in substrate 1b is formed of the external electrodes 71a and 71b of the component 7.
- a metal plate 10 such as a copper foil whose surface is treated so as to have poor wettability so that the solder hardly spreads by surface treatment is provided.
- land electrodes 11 as component mounting electrodes of the present invention are formed by copper plating.
- the external electrodes 71a and 71b of the component 7 are bonded to the land electrode 11 via a bonding material 8 such as solder, and the component 7 is mounted.
- the resin layer 3 is laminated on the metal plate 10 so as to incorporate the component 7, thereby forming the component-embedded substrate 1 b having a coreless substrate structure.
- the land electrodes 11 on the metal plate 10 are arranged in series as shown in FIG. 4 so that the resin of the resin layer 3 before curing goes into the gap ⁇ below the component 7.
- a plurality of (two in the figure) divided electrodes 12 are formed, and a gap ⁇ 2 between the divided electrodes 12 forms a transverse groove 9b.
- the uncured resin flows through the concave groove 9b and enters the gap ⁇ between the external electrodes 71a and 71b, and the resin is reliably filled in the gap ⁇ .
- the same effects as those of the component-embedded substrate 1a according to the first embodiment are obtained.
- a copper foil 13 that has been subjected to a surface treatment that prevents the solder from spreading by the surface treatment step of FIG. 5A is prepared.
- the columnar divided electrodes 12 for forming the land electrodes 11 are formed on the treated surface of the copper foil 13 by, for example, copper plating (for example, 12 ⁇ m thick).
- an LW reverse type chip capacitor (L dimension: 0.8 mm, W dimension: 1.6 mm, height 0.5 mm) is mounted on the divided electrode 12 as a component 7 by soldering. To do.
- the resin is placed on the upper surface of the component 7 on which the embedding resin (thermosetting resin) is mounted, and thermocompression bonding (heating / pressing) is performed in a vacuum environment.
- the uncured resin goes into the gap ⁇ on the lower side of the component 7 from the concave groove 9b between the divided electrodes 12 and is satisfactorily filled, whereby the resin layer 3 is formed.
- the copper foil 13 is etched into the metal plate 10 having a size larger by 0.1 mm in the vertical and horizontal directions than each divided electrode 12 to manufacture the component built-in substrate 1b.
- the resin wraps well around the lower portion of the component 7 due to the concave groove 9b between the divided electrodes 12.
- the component-embedded substrate 1b that is reliably filled with the resin 7 under the component 7, and that prevents the occurrence of problems such as solder flash when the component-embedded substrate 1b is subsequently reflowed. be able to.
- the concave groove of the present invention is not formed by the gaps ⁇ 1 and ⁇ 2 between the divided electrodes as in the first and second embodiments, but the component mounting electrode of the present invention is half-etched or the like. Is formed by the depression.
- FIG. 6 is a cross-sectional view when applied to the land electrode 4 of the first embodiment.
- the land electrode 4 has a recess ⁇ formed in the center by half etching or the like, and a recess 9c is formed by the recess ⁇ .
- the present invention is not limited to the above-described embodiment, and various modifications other than those described above can be made without departing from the spirit thereof.
- the component mounting electrode of the present invention Is not limited to land electrodes.
- the number of concave grooves of the component mounting electrode may be increased to 2, 3,... As appropriate according to the length of the electrode and the like.
- FIGS. It is explanatory drawing at the time of forming each 9 piece of ditch
- the grooves 9a to 9d may have any shape and width.
- a resin is formed so that the outer side is wider than the gap ⁇ side (inner side). It is preferable to make it easier to flow into the gap ⁇ .
- the resin layer 3 may be formed of a photo-curing resin or the like.
- the component 7 may be various LW reverse type (L ⁇ W) chip components other than the chip capacitor, normal (L> W) normal chip components, and electronic components other than the chip components.
- L ⁇ W LW reverse type
- the present invention may be applied to a module component such as a CPU (MPU), for example, a normal chip component having a large mounting area.
- MPU CPU
- the present invention can be applied to a multilayer component-embedded substrate in which a plurality of component-embedded substrates 1a, 1b shown in FIGS.
- the present invention can be applied to a component-embedded substrate for various uses.
Abstract
Description
コア基板を有する第1の実施形態について、図1、図2を参照して説明する。
基板体2を有さないコアレス基板構造の第2の実施形態について、図3~図5を参照して説明する。
つぎに、第1、第2の実施形態の変形例である第3の実施形態について、図6を参照して説明する。
3 樹脂層
4、11 ランド電極
7 部品
9a、9b、9c、9d、9e 凹溝
31 樹脂
41 分割電極
71a、71b 外部電極
Claims (5)
- 樹脂層に埋設される部品と、
前記部品の外部電極が接合する部品実装用電極とを備え、
前記部品実装用電極には、横断方向に、前記樹脂層の硬化前の樹脂が通流する凹溝が形成されることを特徴とする部品内蔵基板。 - 請求項1に記載の部品内蔵基板において、
前記部品実装用電極は複数の分割電極を縦列に配列して形成され、
前記凹溝は前記各分割電極間の隙間により形成されることを特徴とする部品内蔵基板。 - 請求項1に記載の部品内蔵基板において、
前記部品実装用電極は長矩形状を成し、
前記実装用電極の長辺に直交する方向に前記凹溝が形成されることを特徴とする部品内蔵基板。 - 請求項1ないし3のいずれかに記載の部品内蔵基板において、
前記部品は、直方体形状であって矩形の実装面の二つの長辺に接するそれぞれの面に前記外部電極が形成された構造であることを特徴とする部品内蔵基板。 - 請求項4に記載の部品内蔵基板において、
前記部品は直方体形状のチップコンデンサであることを特徴とする部品内蔵基板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012517132A JP5278608B2 (ja) | 2010-05-26 | 2011-05-24 | 部品内蔵基板 |
CN2011800256455A CN102907187A (zh) | 2010-05-26 | 2011-05-24 | 元器件内置基板 |
KR1020127026606A KR101383137B1 (ko) | 2010-05-26 | 2011-05-24 | 부품 내장 기판 |
US13/665,977 US20130058055A1 (en) | 2010-05-26 | 2012-11-01 | Substrate with built-in component |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010-120326 | 2010-05-26 | ||
JP2010120326 | 2010-05-26 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/665,977 Continuation US20130058055A1 (en) | 2010-05-26 | 2012-11-01 | Substrate with built-in component |
Publications (1)
Publication Number | Publication Date |
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WO2011148615A1 true WO2011148615A1 (ja) | 2011-12-01 |
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ID=45003615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/002874 WO2011148615A1 (ja) | 2010-05-26 | 2011-05-24 | 部品内蔵基板 |
Country Status (5)
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US (1) | US20130058055A1 (ja) |
JP (1) | JP5278608B2 (ja) |
KR (1) | KR101383137B1 (ja) |
CN (1) | CN102907187A (ja) |
WO (1) | WO2011148615A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016018928A (ja) * | 2014-07-09 | 2016-02-01 | 株式会社村田製作所 | 電子部品内蔵モジュール |
JP2016105453A (ja) * | 2014-09-01 | 2016-06-09 | 株式会社村田製作所 | 電子部品内蔵基板 |
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JP5884653B2 (ja) * | 2011-09-01 | 2016-03-15 | 株式会社村田製作所 | 実装構造 |
JP7021625B2 (ja) * | 2018-09-28 | 2022-02-17 | 豊田合成株式会社 | 発光装置 |
CN113498633B (zh) * | 2020-01-21 | 2023-09-15 | 鹏鼎控股(深圳)股份有限公司 | 内埋电子元件的电路板及制作方法 |
CN214505273U (zh) * | 2020-09-18 | 2021-10-26 | 华为技术有限公司 | 电子器件和电子设备 |
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- 2011-05-24 WO PCT/JP2011/002874 patent/WO2011148615A1/ja active Application Filing
- 2011-05-24 CN CN2011800256455A patent/CN102907187A/zh active Pending
- 2011-05-24 KR KR1020127026606A patent/KR101383137B1/ko active IP Right Grant
- 2011-05-24 JP JP2012517132A patent/JP5278608B2/ja active Active
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JP2000165042A (ja) * | 1998-11-30 | 2000-06-16 | Nec Corp | 薄膜多層配線基板 |
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JP2016018928A (ja) * | 2014-07-09 | 2016-02-01 | 株式会社村田製作所 | 電子部品内蔵モジュール |
JP2016105453A (ja) * | 2014-09-01 | 2016-06-09 | 株式会社村田製作所 | 電子部品内蔵基板 |
US10356908B2 (en) | 2014-09-01 | 2019-07-16 | Murata Manufacturing Co., Ltd. | Electronic component containing substrate |
Also Published As
Publication number | Publication date |
---|---|
KR101383137B1 (ko) | 2014-04-09 |
US20130058055A1 (en) | 2013-03-07 |
KR20120135318A (ko) | 2012-12-12 |
JP5278608B2 (ja) | 2013-09-04 |
JPWO2011148615A1 (ja) | 2013-07-25 |
CN102907187A (zh) | 2013-01-30 |
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