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JPH08148368A - Capacitor mounting structure - Google Patents

Capacitor mounting structure

Info

Publication number
JPH08148368A
JPH08148368A JP6283057A JP28305794A JPH08148368A JP H08148368 A JPH08148368 A JP H08148368A JP 6283057 A JP6283057 A JP 6283057A JP 28305794 A JP28305794 A JP 28305794A JP H08148368 A JPH08148368 A JP H08148368A
Authority
JP
Japan
Prior art keywords
gnd
plane
power supply
power
capacitor
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.)
Withdrawn
Application number
JP6283057A
Other languages
Japanese (ja)
Inventor
Yasuo Otsuki
康雄 大槻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP6283057A priority Critical patent/JPH08148368A/en
Publication of JPH08148368A publication Critical patent/JPH08148368A/en
Withdrawn legal-status Critical Current

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  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Production Of Multi-Layered Print Wiring Board (AREA)

Abstract

PURPOSE: To provide a board-containing capacitor mounting structure in which a mounting space on a board is reduced, and the reliability and high frequency characteristics of the connecting part can be improved. CONSTITUTION: A capacitor mounting structure comprises a multilayer board 20 having a power source plane and a GND plane, a power source via 33 formed in the board 20 and connected directly to the power source plane, a GND via 34 formed on the concentric circuit of the via 33 and connected directly to the GND plane, and a capacitance provided between the vias 33 and 34.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、コンデンサ実装構造に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a capacitor mounting structure.

【0002】[0002]

【従来の技術】従来、この種の装置には「IC化実装技
術(日本マイクロエレクトロニクス協会編)」に開示さ
れるものがあり、図3にその実装構造を示す。まず、多
層基板10の表層部にコンデンサ搭載用パッド3を設
け、そのコンデンサ搭載用パッド3の片側を電源プレー
ン11に、もう片方をGNDプレーン12に、それぞれ
電源用ビア(VIA)13及びGND用ビア(VIA)
14により接続する。
2. Description of the Related Art Conventionally, there is an apparatus of this type disclosed in "IC packaging technology (edited by the Japan Microelectronics Association)", and its packaging structure is shown in FIG. First, the capacitor mounting pad 3 is provided on the surface layer of the multilayer substrate 10, one side of the capacitor mounting pad 3 is the power plane 11, the other is the GND plane 12, and the power vias (VIA) 13 and GND are respectively used. Via (VIA)
Connect by 14.

【0003】次に、コンデンサ1の電極2をコンデンサ
搭載用パッド3に搭載し、半田4によりコンデンサ搭載
用パッド3に接続する構造であった。
Next, the electrode 2 of the capacitor 1 is mounted on the capacitor mounting pad 3 and is connected to the capacitor mounting pad 3 by the solder 4.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、従来の
コンデンサ実装構造では、多層基板10の表層部にコン
デンサ搭載用パッド3を設け、その上にコンデンサ1を
実装するため、基板上にコンデンサ1の実装高さが生
じ、その分実装のためのスペースを要するといった問題
があった。
However, in the conventional capacitor mounting structure, since the capacitor mounting pad 3 is provided on the surface layer of the multilayer substrate 10 and the capacitor 1 is mounted thereon, the capacitor 1 is mounted on the substrate. There is a problem that the height is generated and a space for mounting is required accordingly.

【0005】また、基板表面にコンデンサ搭載パッド及
びコンデンサ電極を設けなければならず、その接続部の
信頼性及び高周波特性上の問題があった。本発明は、上
記問題点を除去し、基板上への実装スペースを低減し、
しかも、接続部の信頼性及び高周波特性の向上を図り得
る基板に内蔵されるコンデンサ実装構造を提供すること
を目的とする。
Further, the capacitor mounting pad and the capacitor electrode must be provided on the surface of the substrate, and there is a problem in reliability and high frequency characteristics of the connecting portion. The present invention eliminates the above problems, reduces the mounting space on the substrate,
Moreover, it is an object of the present invention to provide a capacitor mounting structure built in a substrate, which can improve reliability and high-frequency characteristics of a connecting portion.

【0006】[0006]

【課題を解決するための手段】本発明は、上記目的を達
成するために、(1)コンデンサ実装構造において、電
源プレーンとGNDプレーンが形成される多層基板と、
この多層基板内に形成され、かつ前記電源プレーンに直
接接続される電源用ビアと、この電源用ビアの同心円上
に形成され、かつ前記GNDプレーンに直接接続される
GND用ビアとを設け、前記電源用ビアとGND用ビア
との間に静電容量を持たせるようにしたものである。
In order to achieve the above object, the present invention provides (1) a multilayer board in which a power supply plane and a GND plane are formed in a capacitor mounting structure,
A power supply via formed in the multilayer substrate and directly connected to the power supply plane, and a GND via formed on a concentric circle of the power supply via and directly connected to the GND plane are provided. A capacitance is provided between the power supply via and the GND via.

【0007】(2)コンデンサ実装構造において、電源
プレーンとGNDプレーンが形成される多層基板と、こ
の多層基板内に形成され、かつ前記電源プレーンに直接
接続される電源用ビアと、この電源用ビアの同心円上に
形成され、かつ前記GNDプレーンに直接接続されるG
ND用ビアと、前記電源用ビアとGND用ビアとの間で
あって、前記電源用ビアの同心円上に形成される高誘電
率材料樹脂埋め込み用ビアとを設け、前記電源用ビアと
GND用ビアとの間に静電容量を持たせるようにしたも
のである。
(2) In a capacitor mounting structure, a multilayer substrate on which a power plane and a GND plane are formed, a power supply via formed in the multilayer substrate and directly connected to the power plane, and a power via G formed on the concentric circles and directly connected to the GND plane
An ND via and a via for embedding a high dielectric constant material resin formed between the power via and the GND via on a concentric circle of the power via are provided, and the power via and the GND are provided. It has a capacitance between the via and the via.

【0008】[0008]

【作用】上記(1)記載のコンデンサ実装構造によれ
ば、スルーホールビアを用い、基板内部にコンデンサを
形成するようにしたので、コンデンサ実装スペースの低
減を図ることができる。更に、ビア自体がコンデンサ電
極となり直接電源プレーン及びGNDプレーンへ接続す
るようにしたので、従来のように、基板表面に形成され
るコンデンサ搭載パッド及びコンデンサ電極を設ける必
要がないので、高周波特性の向上を図ることができる。
According to the capacitor mounting structure described in the above (1), since the capacitor is formed inside the substrate by using the through-hole via, the capacitor mounting space can be reduced. Further, since the via itself serves as a capacitor electrode and is directly connected to the power supply plane and the GND plane, it is not necessary to provide the capacitor mounting pad and the capacitor electrode formed on the surface of the substrate as in the conventional case, so that the high frequency characteristic is improved. Can be achieved.

【0009】上記(2)記載のコンデンサ実装構造によ
れば、多層基板内に形成され、かつ前記電源プレーンに
直接接続される電源用ビアと、この電源用ビアの同心円
上に形成され、かつ前記GNDプレーンに直接接続され
るGND用ビアと、前記電源用ビアとGND用ビアとの
間であって、前記電源用ビアの同心円上に形成される高
誘電率材料樹脂埋め込み用ビアとを設けるようにしたの
で、上記(1)の効果に加えて、更に高い静電容量を確
保することができ、適用性の拡大を図ることができる。
According to the capacitor mounting structure described in (2) above, the power supply via is formed in the multilayer substrate and is directly connected to the power supply plane, and is formed on the concentric circle of the power supply via. A GND via directly connected to the GND plane and a via for embedding a high-dielectric-constant material resin in a concentric circle between the power via and the GND via are provided between the power via and the GND via. Therefore, in addition to the effect of the above (1), it is possible to secure a higher electrostatic capacitance and expand the applicability.

【0010】[0010]

【実施例】以下、本発明の実施例を図面を参照しながら
説明する。図1は本発明の第1実施例を示す多層基板内
蔵コンデンサの上面図、図2は図1のA−A線断面図で
ある。これらの図に示すように、多層基板20には電源
プレーン21とGNDプレーン22が形成されており、
多層基板20にビアパンチングにより、電源プレーン2
1と連通する電源用ビアホール31を開ける。また、電
源用ビアホール31の同心円上にGNDプレーン22と
連通するGND用ビアホール32をパンチングにて開け
る。つまり、電源用ビアホール31とGND用ビアホー
ル32の深さが異なるようにパンチングする。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a top view of a multilayer substrate built-in capacitor showing a first embodiment of the present invention, and FIG. 2 is a sectional view taken along the line AA of FIG. As shown in these drawings, a power plane 21 and a GND plane 22 are formed on the multilayer substrate 20,
Via plane punching on the multi-layer substrate 20 allows power plane 2
1. A power supply via hole 31 communicating with 1 is opened. Further, the GND via hole 32 communicating with the GND plane 22 is punched on the concentric circle of the power supply via hole 31. That is, punching is performed so that the power supply via hole 31 and the GND via hole 32 have different depths.

【0011】そこに、スクリーン印刷法により、図2に
示すように、電源用ビアホール31に導体ペースト33
aを埋め込み、電源プレーン21に接続される電源用ビ
ア33を形成する。また、GND用ビアホール32に導
体ペースト34aを埋め込み、GNDプレーン22に接
続されるGND用ビア34を形成する。そこで、基板を
焼成することにより、多層基板内蔵コンデンサを得る。
つまり、電源用ビア33とGND用ビア34の間に静電
容量35を有する円柱上のコンデンサが完成する。
Then, as shown in FIG. 2, a conductive paste 33 is formed in the power supply via hole 31 by the screen printing method.
A is embedded to form a power supply via 33 connected to the power supply plane 21. Further, the conductor paste 34 a is embedded in the GND via hole 32 to form the GND via 34 connected to the GND plane 22. Therefore, by firing the substrate, a capacitor with a built-in multilayer substrate is obtained.
That is, the cylindrical capacitor having the capacitance 35 between the power supply via 33 and the GND via 34 is completed.

【0012】図4は本発明の第2実施例を示す多層基板
内蔵コンデンサの上面図、図5は図4のB−B線断面図
である。これらの図に示すように、第1の実施例と同様
に、多層基板40には電源プレーン41とGNDプレー
ン42が形成されており、その多層基板40にビアパン
チングにより、電源プレーン41に連通する電源用ビア
ホール51を開ける。また、電源用ビアホール51の同
心円上にGNDプレーン42に連通するGND用ビアホ
ール52をパンチングにて開ける。したがって、電源用
ビアホール51とGND用ビアホール52の深さが異な
るようにパンチングする(図4参照)。
FIG. 4 is a top view of a multilayer substrate built-in capacitor showing a second embodiment of the present invention, and FIG. 5 is a sectional view taken along line BB of FIG. As shown in these drawings, similarly to the first embodiment, the power supply plane 41 and the GND plane 42 are formed on the multilayer substrate 40, and the multilayer substrate 40 is connected to the power plane 41 by via punching. The power via hole 51 is opened. Further, a GND via hole 52 communicating with the GND plane 42 is punched on the concentric circle of the power supply via hole 51. Therefore, punching is performed so that the power supply via hole 51 and the GND via hole 52 have different depths (see FIG. 4).

【0013】更に、電源用ビアホール51とGND用ビ
アホール52の間であって電源用ビアホール51と同心
円上であって、電源プレーン41に達する高誘電率材料
埋め込み用ビアホール53をパンチングにて開ける。そ
の後、スクリーン印刷法により、電源用ビアホール51
に導体ペースト54aを埋め込み、電源用ビア54を形
成する。また、GND用ビアホール52に導体ペースト
55aを埋め込み、GND用ビア55を形成する。
Further, a via hole 53 for embedding a high dielectric constant material, which is between the power supply via hole 51 and the GND via hole 52 and is concentric with the power supply via hole 51 and reaches the power supply plane 41, is punched. After that, a power supply via hole 51 is formed by a screen printing method.
A conductor paste 54a is embedded in the above to form a power supply via 54. Further, a conductor paste 55a is embedded in the GND via hole 52 to form the GND via 55.

【0014】更に、高誘電率材料埋め込み用ビアホール
53に高誘電率材料56aを埋め込み、高誘電率材料埋
め込み用ビア56を形成する。上記基板を焼成して、多
層基板内蔵コンデンサを得る。つまり、電源用ビア54
とGND用ビア55の間に、上記第1実施例よりも更に
高い静電容量57を有する円柱上のコンデンサが完成す
る。
Further, a high dielectric constant material 56a is embedded in the via hole 53 for embedding the high dielectric constant material to form a via 56 for embedding the high dielectric constant material. The substrate is fired to obtain a multilayer substrate built-in capacitor. That is, the power via 54
And the GND via 55, a cylindrical capacitor having a higher capacitance 57 than the first embodiment is completed.

【0015】上記実施例では、GND用ビアホールが電
源用ビアホールより長くなった例を示したが、GNDプ
レーンと電源プレーンの層を入れ替え、逆にGND用ビ
アホールが電源用ビアホールより短くなっても構わな
い。また、本発明は混成集積回路(HIC)及びMCM
実装におけるコンデンサの実装形態として利用すること
ができる。
Although the GND via hole is longer than the power supply via hole in the above embodiment, the layers of the GND plane and the power supply plane may be exchanged, and the GND via hole may be shorter than the power supply via hole. Absent. The present invention also provides a hybrid integrated circuit (HIC) and MCM.
It can be used as a mounting form of a capacitor in mounting.

【0016】なお、本発明は上記実施例に限定されるも
のではなく、本発明の趣旨に基づいて種々の変形が可能
であり、これらを本発明の範囲から排除するものではな
い。
The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the present invention, and these modifications are not excluded from the scope of the present invention.

【0017】[0017]

【発明の効果】以上、詳細に説明したように、本発明に
よれば、以下のような効果を奏することができる。 (1)請求項1記載のコンデンサ実装構造によれば、ス
ルーホールビアを用い、基板内部にコンデンサを形成す
るようにしたので、コンデンサ実装スペースの低減を図
ることができる。
As described in detail above, according to the present invention, the following effects can be achieved. (1) According to the capacitor mounting structure of the first aspect, since the capacitor is formed inside the substrate by using the through hole via, it is possible to reduce the capacitor mounting space.

【0018】更に、ビア自体がコンデンサ電極となり直
接電源プレーン及びGNDプレーンへ接続するようにし
たので、従来のように、基板表面に形成されるコンデン
サ搭載パッド及びコンデンサ電極を設ける必要がないの
で、高周波特性の向上を図ることができる。 (2)請求項2記載のコンデンサ実装構造によれば、多
層基板内に形成され、かつ前記電源プレーンに直接接続
される電源用ビアと、この電源用ビアの同心円上に形成
され、かつ前記GNDプレーンに直接接続されるGND
用ビアと、前記電源用ビアとGND用ビアとの間であっ
て、前記電源用ビアの同心円上に形成される高誘電率材
料樹脂埋め込み用ビアとを設けるようにしたので、上記
(1)の効果に加えて、さらに高い静電容量を確保する
ことができ、適用性の拡大を図ることができる。
Further, since the via itself serves as a capacitor electrode and is directly connected to the power supply plane and the GND plane, it is not necessary to provide the capacitor mounting pad and the capacitor electrode formed on the substrate surface as in the conventional case. It is possible to improve the characteristics. (2) According to the capacitor mounting structure of claim 2, a power supply via formed in the multilayer substrate and directly connected to the power supply plane, and formed on the concentric circle of the power supply via, and the GND. GND directly connected to the plane
And the high-dielectric-constant-material-resin-embedded via formed between the power supply via and the GND via on the concentric circle of the power supply via. In addition to the above effect, a higher electrostatic capacity can be ensured, and the applicability can be expanded.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1実施例を示す多層基板内蔵コンデ
ンサの上面図である。
FIG. 1 is a top view of a multilayer substrate built-in capacitor according to a first embodiment of the present invention.

【図2】図1のA−A線断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.

【図3】従来の多層基板上へのコンデンサの実装構造を
示す図である。
FIG. 3 is a diagram showing a mounting structure of a capacitor on a conventional multilayer substrate.

【図4】本発明の第2実施例を示す多層基板内蔵コンデ
ンサの上面図である。
FIG. 4 is a top view of a multilayer substrate built-in capacitor according to a second embodiment of the present invention.

【図5】図4のB−B線断面図である。5 is a sectional view taken along line BB of FIG.

【符号の説明】[Explanation of symbols]

20,40 多層基板 21,41 電源プレーン 22,42 GNDプレーン 31,51 電源用ビアホール 32,52 GND用ビアホール 33a,34a,54a,55a 導体ペースト 33,54 電源用ビア 34,55 GND用ビア 35,57 静電容量 53 高誘電率材料埋め込み用ビアホール 56a 高誘電率材料 56 高誘電率材料埋め込み用ビア 20, 40 Multi-layer substrate 21, 41 Power plane 22, 42 GND plane 31, 51 Power via hole 32, 52 GND via hole 33a, 34a, 54a, 55a Conductor paste 33, 54 Power via 34, 55 GND via 35, 57 capacitance 53 via hole for embedding high dielectric constant material 56a high dielectric constant material 56 via for embedding high dielectric constant material

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】(a)電源プレーンとGNDプレーンが形
成される多層基板と、(b)該多層基板内に形成され、
かつ前記電源プレーンに直接接続される電源用ビアと、
(c)該電源用ビアの同心円上に形成され、かつ前記G
NDプレーンに直接接続されるGND用ビアとを設け、
(d)前記電源用ビアとGND用ビアとの間に静電容量
を持たせることを特徴とするコンデンサ実装構造。
1. A multi-layer substrate on which a power plane and a GND plane are formed, and (b) a multi-layer substrate formed in the multi-layer substrate,
And a power via directly connected to the power plane,
(C) is formed on the concentric circle of the power supply via and has the above-mentioned G
Provide a GND via directly connected to the ND plane,
(D) A capacitor mounting structure characterized in that an electrostatic capacitance is provided between the power supply via and the GND via.
【請求項2】(a)電源プレーンとGNDプレーンが形
成される多層基板と、(b)該多層基板内に形成され、
かつ前記電源プレーンに直接接続される電源用ビアと、
(c)該電源用ビアの同心円上に形成され、かつ前記G
NDプレーンに直接接続されるGND用ビアと、(d)
前記電源用ビアとGND用ビアとの間であって、前記電
源用ビアの同心円上に形成される高誘電率材料樹脂埋め
込み用ビアとを設け、(e)前記電源用ビアとGND用
ビアとの間に静電容量を持たせることを特徴とするコン
デンサ実装構造。
2. A multi-layer substrate on which a power plane and a GND plane are formed, and (b) a multi-layer substrate formed in the multi-layer substrate,
And a power via directly connected to the power plane,
(C) is formed on the concentric circle of the power supply via and has the above-mentioned G
A via for GND directly connected to the ND plane, and (d)
A high dielectric constant resin embedding via formed on the concentric circle of the power supply via between the power supply via and the GND via, and (e) the power supply via and the GND via. Capacitor mounting structure characterized by having a capacitance between them.
JP6283057A 1994-11-17 1994-11-17 Capacitor mounting structure Withdrawn JPH08148368A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6283057A JPH08148368A (en) 1994-11-17 1994-11-17 Capacitor mounting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6283057A JPH08148368A (en) 1994-11-17 1994-11-17 Capacitor mounting structure

Publications (1)

Publication Number Publication Date
JPH08148368A true JPH08148368A (en) 1996-06-07

Family

ID=17660650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6283057A Withdrawn JPH08148368A (en) 1994-11-17 1994-11-17 Capacitor mounting structure

Country Status (1)

Country Link
JP (1) JPH08148368A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005051000A (en) * 2003-07-28 2005-02-24 Toppan Printing Co Ltd Dielectric material sheet and method of manufacturing same, capacitor, and method of manufacturing interposer or printed circuit board comprising the capacitor
JP2015514315A (en) * 2012-03-22 2015-05-18 カリフォルニア インスティチュート オブ テクノロジー Micro / nanoscale capacitors comprising an array of conductive elements having elongated bodies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005051000A (en) * 2003-07-28 2005-02-24 Toppan Printing Co Ltd Dielectric material sheet and method of manufacturing same, capacitor, and method of manufacturing interposer or printed circuit board comprising the capacitor
JP2015514315A (en) * 2012-03-22 2015-05-18 カリフォルニア インスティチュート オブ テクノロジー Micro / nanoscale capacitors comprising an array of conductive elements having elongated bodies

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