JP2009290134A - プリント配線板の製造方法およびプリント基板ユニットの製造方法 - Google Patents
プリント配線板の製造方法およびプリント基板ユニットの製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims abstract description 59
- 230000001070 adhesive effect Effects 0.000 claims abstract description 59
- 239000000945 filler Substances 0.000 claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims abstract description 32
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 45
- 229920005989 resin Polymers 0.000 claims description 37
- 239000011347 resin Substances 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 229910052802 copper Inorganic materials 0.000 claims description 32
- 239000010949 copper Substances 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 32
- 229920001187 thermosetting polymer Polymers 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 19
- 229910052797 bismuth Inorganic materials 0.000 claims description 15
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 15
- 229910001152 Bi alloy Inorganic materials 0.000 claims description 14
- JWVAUCBYEDDGAD-UHFFFAOYSA-N bismuth tin Chemical compound [Sn].[Bi] JWVAUCBYEDDGAD-UHFFFAOYSA-N 0.000 claims description 14
- 239000007767 bonding agent Substances 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 239000010419 fine particle Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 106
- 239000000758 substrate Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 24
- 239000003822 epoxy resin Substances 0.000 description 23
- 239000004744 fabric Substances 0.000 description 23
- 229920000647 polyepoxide Polymers 0.000 description 23
- 239000004020 conductor Substances 0.000 description 21
- 239000003365 glass fiber Substances 0.000 description 21
- 239000012792 core layer Substances 0.000 description 16
- 239000011889 copper foil Substances 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 10
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 6
- 239000004917 carbon fiber Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000002313 adhesive film Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 239000002759 woven fabric Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000012190 activator Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4614—Manufacturing multilayer circuits by laminating two or more circuit boards the electrical connections between the circuit boards being made during lamination
-
- 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
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0218—Composite particles, i.e. first metal coated with second metal
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/032—Materials
- H05K2201/0323—Carbon
-
- 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
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0361—Etched tri-metal structure, i.e. metal layers or metal patterns on both sides of a different central metal layer which is later at least partly etched
-
- 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
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10378—Interposers
-
- 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
- H05K2201/10674—Flip chip
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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
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0147—Carriers and holders
- H05K2203/0156—Temporary polymeric carrier or foil, e.g. for processing or transferring
-
- 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
- H05K2203/06—Lamination
- H05K2203/061—Lamination of previously made multilayered subassemblies
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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
- H05K3/10—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
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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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4038—Through-connections; Vertical interconnect access [VIA] connections
- H05K3/4053—Through-connections; Vertical interconnect access [VIA] connections by thick-film techniques
- H05K3/4069—Through-connections; Vertical interconnect access [VIA] connections by thick-film techniques for via connections in organic insulating substrates
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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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4602—Manufacturing multilayer circuits characterized by a special circuit board as base or central core whereon additional circuit layers are built or additional circuit boards are laminated
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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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4641—Manufacturing multilayer circuits by laminating two or more circuit boards having integrally laminated metal sheets or special power cores
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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
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Abstract
【解決手段】接着シート51の軟化に応じて第1支持体33は第2支持体28に向かって押し付けられる。導電ランド41および導電ランド31の間でフィラー53b同士は確実に接触する。接着シート51の軟化後、フィラー53bは溶融する。フィラー53bおよび導電ランド41、31の間やフィラー53b同士の間で金属間化合物は形成される。こうして導電ランド41および導電ランド31の間で電気導通は確立される。その後、マトリクス材53aおよび接着シート51は硬化する。第1支持体33および第2支持体28は強固に結合される。
【選択図】図3
Description
Claims (10)
- 第1支持体および第2支持体の間に熱硬化性樹脂製の接着シートを挟み込みつつ、当該接着シートに形成される開口内で前記第1支持体上の第1導電ランドに前記第2支持体上の第2導電ランドを向き合わせる工程と、前記第1導電ランドおよび第2導電ランドの向き合わせにあたって、熱硬化性樹脂を含むマトリクス材、および、当該マトリクス材中に分散し金属間化合物の形成に基づき第1および第2導電ランドに結合するフィラーとを含む導電性接合剤で前記開口内を満たす工程と、前記第2支持体に向かって第1支持体を押し付けつつ加熱に基づき前記接着シートを軟化させる工程と、接着シートの軟化に続いて加熱に基づき前記フィラーの溶融を誘引する工程と、前記フィラーの溶融後に加熱に基づき前記マトリクス材を硬化させる工程と、前記マトリクス材の硬化後に加熱に基づき前記接着シートを硬化させる工程とを備えることを特徴とするプリント配線板の製造方法。
- 請求項1に記載のプリント配線板の製造方法において、前記フィラーは金属微粒子で形成されることを特徴とするプリント配線板の製造方法。
- 請求項1に記載のプリント配線板の製造方法において、前記フィラーは、前記加熱時に固体を維持する非溶融の金属微粒子をさらに含むことを特徴とするプリント配線板の製造方法。
- 請求項1〜3のいずれかに記載のプリント配線板の製造方法において、前記フィラーは、スズビスマス合金で被覆された表面を有する銅粒子で形成されることを特徴とするプリント配線板の製造方法。
- 請求項1〜4のいずれかに記載のプリント配線板の製造方法において、前記スズビスマス合金は50重量%〜60重量%の範囲でビスマスを含むことを特徴とするプリント配線板の製造方法。
- 第1支持体および第2支持体の間に熱硬化性樹脂製の接着シートを挟み込みつつ、当該接着シートに形成される開口内で前記第1支持体上の第1導電ランドに前記第2支持体上の第2導電ランドを向き合わせる工程と、前記第1導電ランドおよび第2導電ランドの向き合わせにあたって、熱硬化性樹脂を含むマトリクス材、および、当該マトリクス材中に分散し金属間化合物の形成に基づき第1および第2導電ランドに結合するフィラーとを含む導電性接合剤で前記開口内を満たす工程と、前記第2支持体に向かって第1支持体を押し付けつつ加熱に基づき前記接着シートを軟化させる工程と、接着シートの軟化に続いて加熱に基づき前記フィラーの溶融を誘引する工程と、前記フィラーの溶融後に加熱に基づき前記マトリクス材を硬化させる工程と、前記マトリクス材の硬化後に加熱に基づき前記接着シートを硬化させる工程とを備えることを特徴とするプリント基板ユニットの製造方法。
- 請求項6に記載のプリント基板ユニットの製造方法において、前記フィラーは金属微粒子で形成されることを特徴とするプリント基板ユニットの製造方法。
- 請求項6に記載のプリント基板ユニットの製造方法において、前記フィラーは、前記加熱時に固体を維持する非溶融の金属微粒子をさらに含むことを特徴とするプリント基板ユニットの製造方法。
- 請求項6〜8のいずれかに記載のプリント基板ユニットの製造方法において、前記フィラーは、スズビスマス合金で被覆された表面を有する銅粒子で形成されることを特徴とするプリント基板ユニットの製造方法。
- 請求項6〜9のいずれかに記載のプリント基板ユニットの製造方法において、前記スズビスマス合金は50重量%〜60重量%の範囲でビスマスを含むことを特徴とするプリント基板ユニットの製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008143664A JP5217640B2 (ja) | 2008-05-30 | 2008-05-30 | プリント配線板の製造方法およびプリント基板ユニットの製造方法 |
TW098103505A TW200950626A (en) | 2008-05-30 | 2009-02-04 | Method of making printed wiring board and method of making printed circuit board unit |
US12/365,279 US8152953B2 (en) | 2008-05-30 | 2009-02-04 | Method of making printed wiring board and method of making printed circuit board unit |
KR1020090014279A KR101125995B1 (ko) | 2008-05-30 | 2009-02-20 | 프린트 배선판의 제조방법 및 프린트 기판 유닛의 제조방법 |
CN2009101179978A CN101594748B (zh) | 2008-05-30 | 2009-02-27 | 制作印刷布线板的方法及制作印刷电路板单元的方法 |
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Application Number | Priority Date | Filing Date | Title |
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JP2008143664A JP5217640B2 (ja) | 2008-05-30 | 2008-05-30 | プリント配線板の製造方法およびプリント基板ユニットの製造方法 |
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JP2009290134A true JP2009290134A (ja) | 2009-12-10 |
JP5217640B2 JP5217640B2 (ja) | 2013-06-19 |
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JP2008143664A Active JP5217640B2 (ja) | 2008-05-30 | 2008-05-30 | プリント配線板の製造方法およびプリント基板ユニットの製造方法 |
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US (1) | US8152953B2 (ja) |
JP (1) | JP5217640B2 (ja) |
KR (1) | KR101125995B1 (ja) |
CN (1) | CN101594748B (ja) |
TW (1) | TW200950626A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017175044A (ja) * | 2016-03-25 | 2017-09-28 | 富士通株式会社 | 配線基板、配線基板の製造方法及び電子装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8309633B2 (en) * | 2008-07-17 | 2012-11-13 | Henkel Ireland Ltd. | Low temperature, cationically curable compositions with improved cure speed and toughness |
JP2011096900A (ja) * | 2009-10-30 | 2011-05-12 | Fujitsu Ltd | 導電体およびプリント配線板並びにそれらの製造方法 |
US8664656B1 (en) | 2012-10-04 | 2014-03-04 | Apple Inc. | Devices and methods for embedding semiconductors in printed circuit boards |
JP6291738B2 (ja) * | 2013-07-25 | 2018-03-14 | 富士通株式会社 | 回路基板、回路基板の製造方法及び電子機器 |
US10886250B2 (en) | 2015-07-10 | 2021-01-05 | Invensas Corporation | Structures and methods for low temperature bonding using nanoparticles |
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US20090294056A1 (en) | 2009-12-03 |
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CN101594748B (zh) | 2011-04-06 |
CN101594748A (zh) | 2009-12-02 |
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