JP6981584B2 - 多層基板、回路装置、およびフィルタ回路基板 - Google Patents
多層基板、回路装置、およびフィルタ回路基板 Download PDFInfo
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- 239000003990 capacitor Substances 0.000 claims description 124
- 239000004020 conductor Substances 0.000 claims description 81
- 239000000758 substrate Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 description 19
- 230000003071 parasitic effect Effects 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 208000032365 Electromagnetic interference Diseases 0.000 description 3
- 239000003985 ceramic capacitor Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
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- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
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- 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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Description
まず、本実施の形態1に係る回路装置150について図面を参照しながら説明する。図1は、本実施の形態1に係る回路装置150の断面図である。図2は、本実施の形態1に係る回路装置の斜視図である。回路装置150は、多層基板200の表面にコンデンサC1を実装する。多層基板200の表面には、コンデンサC1を表面実装するためのランド電極201,202が形成されている。ランド電極201,202は、コンデンサC1の入出力端子と接続される。なお、ランド電極201,202に実装する回路素子は、コンデンサC1に限定されず、キャパシタ成分を有する受動素子であればよい。
実施の形態1に係る回路装置150では、多層基板200にコンデンサC1を1つ実装する構成について説明した。本実施の形態2に係る回路装置では、多層基板にコンデンサおよびコイル部品を実装してフィルタ回路を構成する。図3は、本実施の形態2に係る回路装置の断面図である。図4は、本実施の形態2に係るコイル部品の斜視図である。図5は、本実施の形態2に係るコイル部品を含むフィルタ回路の回路図である。ここで、図4では、コイル部品1の短辺方向をX方向、長辺方向をY方向、高さ方向をZ方向としている。また、基板の積層方向はZ方向で、矢印の向きが上層方向を示している。図3に示すフィルタ回路100のうち、図1に示す回路装置150と同じ構成については同じ符号を付して詳しい説明を繰り返さない。
実施の形態1に係る回路装置150では、多層基板200にコンデンサC1を1つ実装する構成について説明した。本実施の形態3に係る回路装置では、多層基板に複数のコンデンサを実装して回路装置を構成する。図8は、本実施の形態3に係る回路装置の斜視図である。図8に示す回路装置150Aのうち、図1に示す回路装置150と同じ構成については同じ符号を付して詳しい説明を繰り返さない。なお、本実施の形態3に係る回路構成を、実施の形態2に係る回路構成に組み合わせてもよい。
Claims (8)
- 複数の絶縁層が積層されてなる積層体と、
前記積層体の内部に形成される内部配線と、
前記積層体の第1表面に形成され、キャパシタ成分を有する受動素子の入出力端子と電気的に接続するための複数の電極と、
前記第1表面の対向する前記積層体の第2表面または前記第2表面と前記内部配線との間に形成される接地電極と、を備え、
前記内部配線は、
前記第1表面から見て前記複数の電極のうち第1の電極と重なる位置から前記複数の電極のうち第2の電極の方向に延伸して配置され、
前記第1の電極と第1のビア導体により電気的に接続され、
前記第1表面から見て前記第2の電極と少なくとも一部が重なる位置に設けた第2のビア導体により前記接地電極と電気的に接続される、多層基板。 - 前記第1のビア導体は、前記接地電極と電気的に接続される、請求項1に記載の多層基板。
- 前記積層体は、前記第1表面に前記受動素子を複数の直列に実装できるように前記複数の電極を形成し、
前記内部配線は、
前記第1表面から見て前記第1の電極と重なる位置から複数の前記受動素子の配置に沿って最も遠い前記受動素子の前記第2の電極まで延伸して配置される、請求項1または請求項2に記載の多層基板。 - 前記第2のビア導体は、前記受動素子を実装する位置にある前記第2の電極の領域と少なくとも一部が重なる位置に設ける、請求項1〜請求項3のいずれか1項に記載の多層基板。
- 前記内部配線は、前記第1表面から見て前記受動素子を実装する位置から前記第2の電極までの領域を含む平板状である、請求項1〜請求項4のいずれか1項に記載の多層基板。
- 前記内部配線は、前記積層体のうち前記第1表面に最も近い配線層に形成してある、請求項1〜請求項5のいずれか1項に記載の多層基板。
- キャパシタ成分を有する受動素子と、
前記受動素子の入出力端子を前記複数の電極に実装する請求項1〜請求項6のいずれか1項に記載の多層基板と、を備える、回路装置。 - 第1コイルと第2コイルとを磁気結合させたコイル部品と、
前記コイル部品の前記第1コイルと前記第2コイルとの間の電極に接続するコンデンサと、
前記コイル部品および前記コンデンサの入出力端子を前記複数の電極に実装する請求項1〜請求項6のいずれか1項に記載の多層基板と、を備える、フィルタ回路基板。
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JP2019222805 | 2019-12-10 | ||
JP2019222805 | 2019-12-10 | ||
PCT/JP2020/041686 WO2021117392A1 (ja) | 2019-12-10 | 2020-11-09 | 多層基板、回路装置、およびフィルタ回路基板 |
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US (1) | US11870412B2 (ja) |
JP (1) | JP6981584B2 (ja) |
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JP2001160728A (ja) | 1999-09-21 | 2001-06-12 | Murata Mfg Co Ltd | Lcフィルタ |
JP3983456B2 (ja) * | 2000-05-10 | 2007-09-26 | 三菱電機株式会社 | 多層基板モジュール |
JP3960277B2 (ja) * | 2002-10-23 | 2007-08-15 | 株式会社村田製作所 | 高周波モジュールおよび通信装置 |
JP3514453B1 (ja) * | 2003-01-16 | 2004-03-31 | 日本特殊陶業株式会社 | 高周波部品 |
CN1765162B (zh) * | 2003-12-26 | 2011-06-15 | 株式会社村田制作所 | 多层陶瓷基板 |
JP5117419B2 (ja) * | 2009-01-30 | 2013-01-16 | 古河電気工業株式会社 | 並列伝送モジュール |
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US11870412B2 (en) | 2024-01-09 |
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