JP2021138589A - 誘電体組成物、誘電体薄膜、誘電体素子および電子回路基板 - Google Patents
誘電体組成物、誘電体薄膜、誘電体素子および電子回路基板 Download PDFInfo
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- 239000010409 thin film Substances 0.000 title claims abstract description 104
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- 229910052739 hydrogen Inorganic materials 0.000 abstract description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 18
- 238000009413 insulation Methods 0.000 abstract description 16
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- 238000000034 method Methods 0.000 description 33
- 239000003990 capacitor Substances 0.000 description 27
- 229910044991 metal oxide Inorganic materials 0.000 description 25
- 150000004706 metal oxides Chemical class 0.000 description 25
- 238000010304 firing Methods 0.000 description 23
- 239000010410 layer Substances 0.000 description 22
- 239000010408 film Substances 0.000 description 20
- 239000002184 metal Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000000843 powder Substances 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000011247 coating layer Substances 0.000 description 9
- 238000011282 treatment Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 238000000224 chemical solution deposition Methods 0.000 description 3
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- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
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- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
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- 238000007731 hot pressing Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/0821—Oxynitrides of metals, boron or silicon
-
- 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
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
-
- 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
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
-
- 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
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
- H01G4/005—Electrodes
-
- 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
- H01G4/33—Thin- or thick-film capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Capacitors (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Inorganic Insulating Materials (AREA)
- Insulating Bodies (AREA)
Abstract
Description
0.15<x≦0.90
0<y≦0.15
0.90≦m≦1.15
0<δ≦0.05
を満たすことを特徴とする。
本実施形態に係る薄膜キャパシタの模式図を図1に示す。なお、薄膜キャパシタは誘電体素子の一種である。図1に示す薄膜キャパシタ1は、基板11上に形成される第1電極12と、第1電極12上に形成される誘電体薄膜13と、誘電体薄膜13の表面に形成される第2電極14とを有する。なお、薄膜キャパシタ1は基板11を有していなくてもよい。たとえば第1電極12としては、Ni箔等の金属箔が用いられ、金属箔の上に誘電体薄膜13が成膜されていてもよい。
0.15<x≦0.90
0<y≦0.15
0.90≦m≦1.15
0<δ≦0.05
を満たす誘電体組成物を有する。なお、上記の組成式は各元素の原子数比を表している。また、上記の主成分はAサイト元素がSrおよびCaであり、Bサイト元素がTiおよびHfであるペロブスカイト構造を有していることが好ましい。
本実施形態に係る電子回路基板は、上記の誘電体薄膜を備える。電子回路基板は、上記の誘電体薄膜を含む薄膜キャパシタなどの電子部品を備えてもよい。薄膜キャパシタ等の電子部品は、電子回路基板の表面に設置されていてもよい。薄膜キャパシタ等の電子部品は、電子回路基板内に埋め込まれていてもよい。
次に、薄膜キャパシタ1の製造方法について説明する。
次に、電子回路基板90の製造方法について図2Aおよび図2Bを用いて説明する。
まず、成膜用ターゲットとして用いる焼結体の原料として、SrCO3粉末、CaCO3粉末、TiO2粉末、およびHfO2粉末を準備した。最終的に得られる誘電体薄膜においてx、yおよびmが表1に示す値となるように各粉末を秤量した。
11・・・基板
12・・・第1電極
13・・・誘電体薄膜
14・・・第2電極
90,90a・・・電子回路基板
91・・・薄膜キャパシタ
30・・・第1電極
40・・・誘電体薄膜
50・・・第2電極
52・・・貫通電極
54,56・・・取り出し電極
58・・・絶縁性樹脂層
92・・・樹脂基板
92a,92b・・・基板
93・・・樹脂層
93a,93b・・・絶縁性樹脂層
94・・・絶縁性被膜層
95・・・電子部品
96・・・金属配線
Claims (5)
- 組成式(Sr1−xCax)m(Ti1−yHfy)O3−δNδで表される主成分を有する誘電体組成物であって、
0.15<x≦0.90
0<y≦0.15
0.90≦m≦1.15
0<δ≦0.05
を満たすことを特徴とする誘電体組成物。 - 請求項1に記載の誘電体組成物からなる誘電体薄膜。
- 請求項2に記載の誘電体薄膜、および電極を有する誘電体素子。
- 前記電極がNi箔であり、前記誘電体薄膜が前記Ni箔上に形成されてなる請求項3に記載の誘電体素子。
- 請求項3または4に記載の誘電体素子を有する電子回路基板。
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JP2020039725A JP7388253B2 (ja) | 2020-03-09 | 2020-03-09 | 誘電体組成物、誘電体薄膜、誘電体素子および電子回路基板 |
US17/190,045 US11524897B2 (en) | 2020-03-09 | 2021-03-02 | Dielectric composition, dielectric thin film, dielectric element, and electronic circuit board |
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US11551867B2 (en) * | 2019-10-10 | 2023-01-10 | Maeda & Suzuki Patent Co., Ltd. | Dielectric composition, dielectric thin film, dielectric element, and electronic circuit board |
JP7388253B2 (ja) * | 2020-03-09 | 2023-11-29 | Tdk株式会社 | 誘電体組成物、誘電体薄膜、誘電体素子および電子回路基板 |
JP7342752B2 (ja) * | 2020-03-18 | 2023-09-12 | Tdk株式会社 | 誘電体薄膜、誘電体素子および電子回路基板 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63215019A (ja) * | 1987-03-04 | 1988-09-07 | 松下電器産業株式会社 | 電圧依存性非直線抵抗体磁器組成物 |
JP2001135143A (ja) * | 1999-08-20 | 2001-05-18 | Matsushita Electric Ind Co Ltd | 誘電体膜及びその製造方法 |
JP2013543205A (ja) * | 2010-04-28 | 2013-11-28 | 株式会社村田製作所 | アニオン制御された誘電特性を有するペロブスカイト材料、薄膜コンデンサ装置、及びそれらの製造方法 |
CN104232087A (zh) * | 2014-08-11 | 2014-12-24 | 北京大学工学院包头研究院 | 一种荧光材料及其制备方法和应用 |
CN106281322A (zh) * | 2016-08-12 | 2017-01-04 | 河北利福光电技术有限公司 | 一种高效稳定led氮化物红色荧光粉及其制备方法 |
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US6572793B2 (en) * | 2000-03-30 | 2003-06-03 | Tdk Corporation | Method of producing ceramic composition and method of producing electronic device |
JP4678022B2 (ja) * | 2007-11-26 | 2011-04-27 | Tdk株式会社 | 誘電体磁器組成物の製造方法 |
JP6623569B2 (ja) * | 2014-07-23 | 2019-12-25 | Tdk株式会社 | 薄膜誘電体及び薄膜コンデンサ素子 |
JP6736892B2 (ja) * | 2015-01-26 | 2020-08-05 | Tdk株式会社 | 薄膜キャパシタ |
KR102449359B1 (ko) * | 2017-08-28 | 2022-09-30 | 삼성전기주식회사 | 유전체 파우더 및 이를 이용한 적층형 세라믹 전자부품 |
JP7388253B2 (ja) * | 2020-03-09 | 2023-11-29 | Tdk株式会社 | 誘電体組成物、誘電体薄膜、誘電体素子および電子回路基板 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63215019A (ja) * | 1987-03-04 | 1988-09-07 | 松下電器産業株式会社 | 電圧依存性非直線抵抗体磁器組成物 |
JP2001135143A (ja) * | 1999-08-20 | 2001-05-18 | Matsushita Electric Ind Co Ltd | 誘電体膜及びその製造方法 |
JP2013543205A (ja) * | 2010-04-28 | 2013-11-28 | 株式会社村田製作所 | アニオン制御された誘電特性を有するペロブスカイト材料、薄膜コンデンサ装置、及びそれらの製造方法 |
CN104232087A (zh) * | 2014-08-11 | 2014-12-24 | 北京大学工学院包头研究院 | 一种荧光材料及其制备方法和应用 |
CN106281322A (zh) * | 2016-08-12 | 2017-01-04 | 河北利福光电技术有限公司 | 一种高效稳定led氮化物红色荧光粉及其制备方法 |
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