JP2005347359A - 回路装置 - Google Patents
回路装置 Download PDFInfo
- Publication number
- JP2005347359A JP2005347359A JP2004162658A JP2004162658A JP2005347359A JP 2005347359 A JP2005347359 A JP 2005347359A JP 2004162658 A JP2004162658 A JP 2004162658A JP 2004162658 A JP2004162658 A JP 2004162658A JP 2005347359 A JP2005347359 A JP 2005347359A
- Authority
- JP
- Japan
- Prior art keywords
- wiring layer
- dummy pattern
- circuit device
- insulating layer
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007747 plating Methods 0.000 claims description 52
- 238000005530 etching Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000011889 copper foil Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 34
- 239000010410 layer Substances 0.000 description 195
- 238000000034 method Methods 0.000 description 50
- 239000004065 semiconductor Substances 0.000 description 38
- 229920005989 resin Polymers 0.000 description 29
- 239000011347 resin Substances 0.000 description 29
- 239000000463 material Substances 0.000 description 21
- 238000007789 sealing Methods 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 239000010949 copper Substances 0.000 description 12
- 239000000945 filler Substances 0.000 description 12
- 238000009713 electroplating Methods 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000000758 substrate Substances 0.000 description 8
- 229910001111 Fine metal Inorganic materials 0.000 description 6
- 238000007772 electroless plating Methods 0.000 description 6
- 239000011256 inorganic filler Substances 0.000 description 6
- 229910003475 inorganic filler Inorganic materials 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000002356 single layer Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005219 brazing Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 238000001721 transfer moulding Methods 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 229910017083 AlN Inorganic materials 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- -1 copper Chemical class 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- JYLNVJYYQQXNEK-UHFFFAOYSA-N 3-amino-2-(4-chlorophenyl)-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(CN)C1=CC=C(Cl)C=C1 JYLNVJYYQQXNEK-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000011521 glass Substances 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
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3735—Laminates or multilayers, e.g. direct bond copper ceramic substrates
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4846—Leads on or in insulating or insulated substrates, e.g. metallisation
- H01L21/4857—Multilayer substrates
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49822—Multilayer substrates
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- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5383—Multilayer substrates
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- 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
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
- H05K1/0206—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate by printed thermal vias
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/421—Blind plated via connections
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- 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
- H05K3/4647—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits by applying an insulating layer around previously made via studs
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- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
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- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- H01L2224/4847—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond
- H01L2224/48472—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond the other connecting portion not on the bonding area also being a wedge bond, i.e. wedge-to-wedge
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Abstract
【課題】 放熱性を向上させた回路装置を提供する。
【解決手段】 本発明の混成集積回路装置10では、第1の配線層18Aに第1のダミーパターンD1を設けている。更に、第2の配線層18Bに第2のダミーパターンD2を設けている。そして、第1のダミーパターンD1と第2のダミーパターンD2とを、絶縁層17を貫通する接続部25により接続している。従って、ダミーパターンを介した放熱を積極的に行うことができる。従って、多層配線を構成した場合でも、放熱性を確保した回路装置を提供することができる。
【選択図】図1
Description
本形態では、回路装置の一例として図1等に示すような混成集積回路装置を例に説明を行う。しかしながら下記する本形態は、他の種類の回路装置にも適用可能である。
第2の配線層18Bは、第2の絶縁層17Bの表面に形成されている。第2の配線層18Bは、回路素子14が載置されるランド、回路素子上の電極と接続されるパッド、このパッドを電気的に接続する配線部、リード11が固着されるパッド等を形成している。更に、第2の配線層18Bと第1の配線層18Aとは、平面的に交差するように形成することができる。従って、半導体素子14Aが多数個の電極を有する場合でも、本願の多層配線構造により、クロスオーバーが可能となりパターンの引き回しを自由に行うことができる。この第2の配線層18Bと上記した第1の配線層18Aとは、接続部25を介して所望の箇所で接続されている。当然、半導体素子の電極の数、素子の実装密度等により、3層、4層、5層以上に増やすことも可能である。
<第2の実施の形態>
図13を参照して本形態の回路装置の構成を説明する。本形態では、図13に示すような極めて薄型の多層配線を備えた回路装置の構成およびその製造方法を説明する。このような多層配線においても、第2のダミーパターンD2上に固着することにより、前述した回路装置と同様の効果を得られる。
11 リード
12 封止樹脂
14 回路素子
15 金属細線
16 回路基板
17A〜17D 絶縁層
18A〜18D 配線層
19 ロウ材
20 凹部
24 ユニット
25A、25B 接続部
26 パッド
27 サーマルビア
28A、28B 導電膜
29 レジスト
30 貫通孔
31 キャビティ
32 貫通孔
33 レーザー
34 メッキ膜
Claims (9)
- 絶縁層を介して多層に積層された複数の配線層を有する回路装置に於いて、
前記配線層は、内蔵される回路素子と電気的に接続されて電気回路の一部を構成する導電パターンと、
前記電気回路とは電気的に独立するダミーパターンとから成ることを特徴とする回路装置。 - 絶縁層を介して多層に積層された複数の配線層を有する回路装置に於いて、
前記配線層は、内蔵される回路素子と電気的に接続されて電気信号が通過する導電パターンと、
前記電気信号が通過しないダミーパターンとから成ることを特徴とする回路装置。 - 前記配線層の各々に前記ダミーパターンを設けることを特徴とする請求項1または請求項2記載の回路装置。
- 前記導電パターンが形成されない領域の殆どの領域に、前記ダミーパターンを設けることを特徴とする請求項1または請求項2記載の回路装置。
- 矩形の形状の等しい大きさの前記ダミーパターンが、等間隔に配列されることを特徴とする請求項1または請求項2記載の回路装置。
- 前記各配線層に設けられた前記ダミーパターン同士は、前記絶縁層を貫通する接続部により熱的に結合されることを特徴とする請求項1または請求項2記載の回路装置。
- 前記接続部は、前記絶縁層の下層に位置する前記配線層から上方に凸状に延在する第1の接続部と、絶縁層の上層に位置する配線層から下方に凸状に延在する第2の接続部とから成り、
前記第1の接続部と前記第2の接続部とは、前記絶縁層の厚み方向の中間部にて接触することを特徴とする請求項1または請求項2記載の回路装置。 - 前記第1の接続部は一枚の銅箔をエッチング加工することにより形成され、
前記第2の接続部はメッキ膜から成ることを特徴とする請求項7記載の回路装置。 - 表面が絶縁処理された回路基板の表面に前記第1の配線層および前記第2の配線層を形成することを特徴とする請求項1または請求項2記載の回路装置。
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JP2004162658A JP4471735B2 (ja) | 2004-05-31 | 2004-05-31 | 回路装置 |
US11/139,238 US7439614B2 (en) | 2004-05-31 | 2005-05-26 | Circuit device with dummy elements |
CN200510074718A CN100578762C (zh) | 2004-05-31 | 2005-05-31 | 电路装置及混合集成电路装置 |
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JP2004162658A JP4471735B2 (ja) | 2004-05-31 | 2004-05-31 | 回路装置 |
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JP4471735B2 JP4471735B2 (ja) | 2010-06-02 |
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Cited By (4)
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JP2009116088A (ja) * | 2007-11-07 | 2009-05-28 | Seiko Epson Corp | 電気光学装置及び電子機器 |
WO2016080333A1 (ja) * | 2014-11-21 | 2016-05-26 | 株式会社村田製作所 | モジュール |
WO2019198154A1 (ja) * | 2018-04-10 | 2019-10-17 | 株式会社メイコー | 部品内蔵基板、及び部品内蔵基板の製造方法 |
JP7564697B2 (ja) | 2020-12-08 | 2024-10-09 | パナソニックホールディングス株式会社 | 基板パッケージ及び電動工具 |
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JP4359110B2 (ja) * | 2003-09-24 | 2009-11-04 | 三洋電機株式会社 | 回路装置 |
DE102004057494A1 (de) * | 2004-11-29 | 2006-06-08 | Siemens Ag | Metallisierte Folie zur flächigen Kontaktierung |
US7875140B2 (en) * | 2007-11-20 | 2011-01-25 | Seiko Epson Corporation | Method for manufacturing multilayer ceramic substrate |
KR101951956B1 (ko) * | 2012-11-13 | 2019-02-26 | 매그나칩 반도체 유한회사 | 반도체 패키지용 연성회로기판 |
CN103887257A (zh) * | 2012-12-20 | 2014-06-25 | 浙江大学 | 低寄生电感电力电子模块封装结构 |
US9899330B2 (en) * | 2014-10-03 | 2018-02-20 | Mc10, Inc. | Flexible electronic circuits with embedded integrated circuit die |
KR102397905B1 (ko) * | 2017-12-27 | 2022-05-13 | 삼성전자주식회사 | 인터포저 기판 및 반도체 패키지 |
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JP2698278B2 (ja) | 1992-01-31 | 1998-01-19 | 三洋電機株式会社 | 混成集積回路装置 |
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JP3466929B2 (ja) * | 1998-10-05 | 2003-11-17 | 株式会社東芝 | 半導体装置 |
JP2001077543A (ja) * | 1999-09-03 | 2001-03-23 | Fujitsu Ltd | 多層配線基板 |
JP2001196372A (ja) * | 2000-01-13 | 2001-07-19 | Mitsubishi Electric Corp | 半導体装置 |
JP2001345398A (ja) | 2000-05-31 | 2001-12-14 | Mitsubishi Electric Corp | 高周波モジュール及び高周波モジュール装置 |
JP3916854B2 (ja) * | 2000-06-28 | 2007-05-23 | シャープ株式会社 | 配線基板、半導体装置およびパッケージスタック半導体装置 |
JP2003008186A (ja) | 2001-06-21 | 2003-01-10 | Sony Corp | 半導体装置 |
JP2003188210A (ja) * | 2001-12-18 | 2003-07-04 | Mitsubishi Electric Corp | 半導体装置 |
JP2004047807A (ja) | 2002-07-12 | 2004-02-12 | Toshiba Corp | 半導体モジュール |
JP4107952B2 (ja) * | 2002-12-04 | 2008-06-25 | 三洋電機株式会社 | 回路装置の製造方法 |
JP4372434B2 (ja) | 2003-02-24 | 2009-11-25 | 株式会社ルネサステクノロジ | 半導体装置及びその製造方法 |
JP2006140326A (ja) * | 2004-11-12 | 2006-06-01 | Toshiba Corp | 半導体装置 |
-
2004
- 2004-05-31 JP JP2004162658A patent/JP4471735B2/ja not_active Expired - Lifetime
-
2005
- 2005-05-26 US US11/139,238 patent/US7439614B2/en not_active Expired - Fee Related
- 2005-05-31 CN CN200510074718A patent/CN100578762C/zh not_active Expired - Fee Related
Cited By (6)
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JP2009116088A (ja) * | 2007-11-07 | 2009-05-28 | Seiko Epson Corp | 電気光学装置及び電子機器 |
WO2016080333A1 (ja) * | 2014-11-21 | 2016-05-26 | 株式会社村田製作所 | モジュール |
JPWO2016080333A1 (ja) * | 2014-11-21 | 2017-08-24 | 株式会社村田製作所 | モジュール |
US10535581B2 (en) | 2014-11-21 | 2020-01-14 | Murata Manufacturing Co., Ltd. | Module for heat generating electronic component |
WO2019198154A1 (ja) * | 2018-04-10 | 2019-10-17 | 株式会社メイコー | 部品内蔵基板、及び部品内蔵基板の製造方法 |
JP7564697B2 (ja) | 2020-12-08 | 2024-10-09 | パナソニックホールディングス株式会社 | 基板パッケージ及び電動工具 |
Also Published As
Publication number | Publication date |
---|---|
CN100578762C (zh) | 2010-01-06 |
US20050263846A1 (en) | 2005-12-01 |
CN1705107A (zh) | 2005-12-07 |
US7439614B2 (en) | 2008-10-21 |
JP4471735B2 (ja) | 2010-06-02 |
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