JP2010067965A - 回路基板内に埋め込むための固体電解コンデンサ - Google Patents
回路基板内に埋め込むための固体電解コンデンサ Download PDFInfo
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- JP2010067965A JP2010067965A JP2009202302A JP2009202302A JP2010067965A JP 2010067965 A JP2010067965 A JP 2010067965A JP 2009202302 A JP2009202302 A JP 2009202302A JP 2009202302 A JP2009202302 A JP 2009202302A JP 2010067965 A JP2010067965 A JP 2010067965A
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- component
- anode
- capacitor
- solid electrolytic
- electrolytic capacitor
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
- H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
- H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
- H01G2/065—Mountings specially adapted for mounting on a printed-circuit support for surface mounting, e.g. chip capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
- H01G9/012—Terminals specially adapted for solid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
-
- 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
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Abstract
【解決手段】電解コンデンサは、コンデンサ素子と、アノード端子及びカソード端子と、コンデンサ素子を封入し、ケースの両側から外側に延びるアノード端子及びカソード端子の少なくとも一部分を露出させたままにするケースとを収容する。端子の各々は、コンデンサ素子の方向に面する上面と、コンデンサ素子から離れる方向に面する下面とを有する。従来の表面装着型電解コンデンサとは対照的に、これらの露出したアノード及びカソード端子部分の上面は、回路基板に取付けられる。このようにして、コンデンサは、その厚みの一部又は全体が基板それ自体内に埋め込まれた状態になるように基本的に「逆さまに」取付けられ、それによって基板上のコンデンサの高さプロフィールを最小にすることができる。
【選択図】図1
Description
本発明の完全かつ権限付与する開示は、当業者に対するその最良のモードを含み、添付の図を参照することを含む本明細書の残りの部分においてより具体的に列挙する。
本明細書及び図面における参照文字の反復使用は、本発明の同じか又は類似の特徴又は要素を示すことを意図している。
総括的には、本発明は、回路基板内に埋め込まれるように構成された電解コンデンサに関する。電解コンデンサは、コンデンサ素子と、アノード端子及びカソード端子と、コンデンサ素子を封入し、ケースの両端から外側に延びるアノード端子及びカソード端子の少なくとも一部分を露出させたままにするケースとを収容する。これらの端子の各々は、コンデンサ素子の方向に面する上面と、コンデンサ素子から離れる方向に面する下面とを有する。従来の表面装着型電解コンデンサとは対照的に、これらの露出したアノード端子部分及びカソード端子部分の上面は、回路基板に取付けられる。従って、コンデンサは、その厚みの一部又は全体がそれ自体基板内に埋め込まれるように基本的に「逆さまに」取付けられ、それによって基板上のコンデンサの高さプロフィールを最小にすることができる。
本発明のこれら及び他の修正及び変形は、本発明の精神及び範囲から離れることなく当業者によって実施することができる。更に、様々な実施形態の態様は、全体的又は部分的に相互に置換することができることを理解すべきである。更に、当業者にあっては、以上の説明が例示のためだけであり、特許請求の範囲に更に説明する本発明を限定する意図はないことを認めるであろう。
33 コンデンサ素子
62 アノード端子
72 カソード端子
Claims (21)
- 上面、下面、前面、及び後面を形成し、かつアノードリードが電気的に接続されたアノード、該アノードの上に重なる誘電体層、及び固体電解質を含む該誘電体層の上に重なるカソードを含むコンデンサ素子と、
前記アノードリードに電気的に接続され、かつ前記コンデンサ素子の前記下面に実質的に平行である第1の構成要素を収容するアノード端子と、
前記カソードに電気的に接続され、かつ前記コンデンサ素子の前記下面に実質的に平行である第2の構成要素を収容するカソード端子と、
前記コンデンサ素子を封入し、かつ前記第1の構成要素及び前記第2の構成要素の少なくとも一部分を露出したままにするケースと、
を含み、
前記第1の構成要素及び前記第2の構成要素の前記露出部分は、ほぼ同一平面上にあり、かつ前記ケースから外向きに延びており、
更に、前記第1の構成要素及び前記第2の構成要素の前記露出部分は、それぞれ、前記コンデンサ素子の上面に面する上面と、該コンデンサ素子の該上面から離れる方向に面する対向する下面とを形成し、該第1の構成要素及び該第2の構成要素の該上面は、回路基板に取付けられるように構成される、
ことを特徴とする固体電解コンデンサ。 - 前記アノードは、タンタル、ニオブ、又はその導電性酸化物を含むことを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記固体電解質は、二酸化マンガン、導電性ポリマー、又はその組合せを含むことを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記アノード端子の前記第1の構成要素は、前記コンデンサ素子の前記下面に電気的に接続されていることを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記アノード端子は、更に、前記第1の構成要素に対してほぼ垂直である第3の構成要素を含むことを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記第3の構成要素は、前記アノードリードが電気的に接続されたU字形領域を収容することを特徴とする請求項5に記載の固体電解コンデンサ。
- 前記第3の構成要素は、前記ケース内に封入されることを特徴とする請求項5に記載の固体電解コンデンサ。
- 前記カソード端子の前記第2の構成要素は、前記コンデンサ素子の前記下面に電気的に接続されていることを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記カソード端子は、更に、前記第2の構成要素に対してほぼ垂直であって前記コンデンサ素子の前記後面に電気的に接続された第4の構成要素を含むことを特徴とする請求項8に記載の固体電解コンデンサ。
- 前記第4の構成要素は、前記ケース内に封入されることを特徴とする請求項9に記載の固体電解コンデンサ。
- 前記カソード端子は、導電性接着剤を用いて前記コンデンサ素子に電気的に接続されることを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記アノードリードは、前記アノード端子にレーザ溶接されることを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記ケースの長さに対する前記第1の構成要素の前記露出部分の長さ又は前記第2の構成要素の前記露出部分の長さの比は、約0.05から約1であることを特徴とする請求項1に記載の固体電解コンデンサ。
- 前記ケースの長さに対する前記第1の構成要素の前記露出部分の長さ又は前記第2の構成要素の前記露出部分の長さの比は、約0.08から約0.5であることを特徴とする請求項1に記載の固体電解コンデンサ。
- 対向する導電性部材が位置する装着面を形成し、かつ凹型開口部が該導電性部材間の該装着面に設けられた基板と、
ほぼ同一平面上の関係でコンデンサから外向きに延びるカソード端子及びアノード端子を収容し、かつコンデンサが前記凹型開口部内に埋め込まれるように該アノード端子及びカソード端子がそれぞれの導電性部材に電気的に接続された固体電解コンデンサと、
を含むことを特徴とする回路基板。 - 前記コンデンサは、アノードリードが電気的に接続されたアノードと、該アノードの上に重なる誘電体層と、固体電解質を含む該誘電体層の上に重なるカソードとを含むコンデンサ素子を含むことを特徴とする請求項15に記載の回路基板。
- 前記アノードは、タンタル、ニオブ、又はその導電性酸化物を含むことを特徴とする請求項16に記載の回路基板。
- 前記固体電解質は、二酸化マンガン、導電性ポリマー、又はその組合せを含むことを特徴とする請求項16に記載の回路基板。
- 前記アノード端子及び前記カソード端子は、それぞれ、前記コンデンサ素子の上面に面する上面と、該コンデンサ素子の該上面から離れる方向に面する対向する下面とを形成し、
第1の構成要素及び第2の構成要素の上面が、前記導電性部材に取付けられる、
ことを特徴とする請求項16に記載の回路基板。 - 前記コンデンサの下面が、前記基板の上面と実質的に同一平面上であることを特徴とする請求項15に記載の回路基板。
- 前記コンデンサの下面が、前記基板の上面の上方に延びていることを特徴とする請求項15に記載の回路基板。
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KR100878412B1 (ko) * | 2006-09-28 | 2009-01-13 | 삼성전기주식회사 | 탄탈륨 캐패시터 |
WO2008123857A1 (en) | 2007-04-06 | 2008-10-16 | Vishay Sprague, Inc. | Capacitor with improved volumetric efficiency and reduced cost |
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JP5041995B2 (ja) | 2007-12-07 | 2012-10-03 | 三洋電機株式会社 | 固体電解コンデンサ |
-
2008
- 2008-09-08 US US12/206,186 patent/US8199462B2/en not_active Expired - Fee Related
-
2009
- 2009-06-09 GB GB0909929.2A patent/GB2465244B/en not_active Expired - Fee Related
- 2009-06-24 DE DE102009027173A patent/DE102009027173A1/de not_active Withdrawn
- 2009-08-07 CN CN2009101652514A patent/CN101673622B/zh not_active Expired - Fee Related
- 2009-09-02 JP JP2009202302A patent/JP2010067965A/ja active Pending
- 2009-09-07 KR KR1020090083748A patent/KR20100029707A/ko not_active Application Discontinuation
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012191199A (ja) * | 2011-03-11 | 2012-10-04 | Avx Corp | 接着剤のためのスロットを有するカソード端子を含む固体電解コンデンサ |
JP2012191198A (ja) * | 2011-03-11 | 2012-10-04 | Avx Corp | 機械的安定性の改善された固体電解コンデンサ |
Also Published As
Publication number | Publication date |
---|---|
GB2465244B (en) | 2012-07-18 |
US8199462B2 (en) | 2012-06-12 |
GB2465244A (en) | 2010-05-19 |
GB0909929D0 (en) | 2009-07-22 |
DE102009027173A1 (de) | 2010-03-11 |
CN101673622A (zh) | 2010-03-17 |
CN101673622B (zh) | 2013-05-29 |
US20100061037A1 (en) | 2010-03-11 |
KR20100029707A (ko) | 2010-03-17 |
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