WO2008136461A1 - 広帯域容量素子 - Google Patents

広帯域容量素子 Download PDF

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Publication number
WO2008136461A1
WO2008136461A1 PCT/JP2008/058199 JP2008058199W WO2008136461A1 WO 2008136461 A1 WO2008136461 A1 WO 2008136461A1 JP 2008058199 W JP2008058199 W JP 2008058199W WO 2008136461 A1 WO2008136461 A1 WO 2008136461A1
Authority
WO
WIPO (PCT)
Prior art keywords
dielectric
frequency band
plate
wide band
capacity element
Prior art date
Application number
PCT/JP2008/058199
Other languages
English (en)
French (fr)
Inventor
Koichiro Masuda
Manabu Kusumoto
Takashi Harada
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Publication of WO2008136461A1 publication Critical patent/WO2008136461A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • H01G4/08—Inorganic dielectrics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Insulating Materials (AREA)
  • Ceramic Capacitors (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

課題　低周波数帯域のキャパシタンスを小さくせず、容量性部品の使用周波数の上限を高周波帯域に広げた広帯域容量素子を提供する。 解決手段　電極板１０１の上に、組成の異なる誘電体板１１１、１１２が形成され、その上に電極板１０２が形成される。誘電体板１１１、１１２のうち少なくとも一方は、対象周波数帯域において、分極の特異点を有する。例えば、誘電体１１１を炭化珪素ＳｉＣ、誘電体１１２を酸化アルミニウムＡｌ２Ｏ３で形成し、誘電体１１１は、２４６ＭＨｚにおいて分極の特異点を有する。即ち、２４６ＭＨｚを境に誘電率が大きく変化する。
PCT/JP2008/058199 2007-04-27 2008-04-28 広帯域容量素子 WO2008136461A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-118537 2007-04-27
JP2007118537A JP2010192466A (ja) 2007-04-27 2007-04-27 広帯域容量素子

Publications (1)

Publication Number Publication Date
WO2008136461A1 true WO2008136461A1 (ja) 2008-11-13

Family

ID=39943568

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/058199 WO2008136461A1 (ja) 2007-04-27 2008-04-28 広帯域容量素子

Country Status (2)

Country Link
JP (1) JP2010192466A (ja)
WO (1) WO2008136461A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011184251A (ja) * 2010-03-10 2011-09-22 Murata Mfg Co Ltd 誘電体セラミックおよび積層セラミックコンデンサ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160182001A1 (en) * 2014-12-19 2016-06-23 Hitachi, Ltd Common mode noise filter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0440520U (ja) * 1990-08-04 1992-04-07
JPH05166671A (ja) * 1991-12-16 1993-07-02 Matsushita Electric Ind Co Ltd 複合コンデンサ
JP2002075783A (ja) * 2000-08-25 2002-03-15 Alps Electric Co Ltd 温度補償用薄膜コンデンサ
JP2003100545A (ja) * 2001-04-16 2003-04-04 Shipley Co Llc キャパシタ用誘電積層体
JP2004281677A (ja) * 2003-03-14 2004-10-07 Toray Ind Inc 高分子誘電体ならびにコンデンサ用フィルム。
JP2006169011A (ja) * 2004-12-13 2006-06-29 Kyocera Corp 誘電体磁器組成物

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0440520U (ja) * 1990-08-04 1992-04-07
JPH05166671A (ja) * 1991-12-16 1993-07-02 Matsushita Electric Ind Co Ltd 複合コンデンサ
JP2002075783A (ja) * 2000-08-25 2002-03-15 Alps Electric Co Ltd 温度補償用薄膜コンデンサ
JP2003100545A (ja) * 2001-04-16 2003-04-04 Shipley Co Llc キャパシタ用誘電積層体
JP2004281677A (ja) * 2003-03-14 2004-10-07 Toray Ind Inc 高分子誘電体ならびにコンデンサ用フィルム。
JP2006169011A (ja) * 2004-12-13 2006-06-29 Kyocera Corp 誘電体磁器組成物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011184251A (ja) * 2010-03-10 2011-09-22 Murata Mfg Co Ltd 誘電体セラミックおよび積層セラミックコンデンサ

Also Published As

Publication number Publication date
JP2010192466A (ja) 2010-09-02

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