JP5617833B2 - 積層セラミック電子部品 - Google Patents
積層セラミック電子部品 Download PDFInfo
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- JP5617833B2 JP5617833B2 JP2011282496A JP2011282496A JP5617833B2 JP 5617833 B2 JP5617833 B2 JP 5617833B2 JP 2011282496 A JP2011282496 A JP 2011282496A JP 2011282496 A JP2011282496 A JP 2011282496A JP 5617833 B2 JP5617833 B2 JP 5617833B2
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- 239000000919 ceramic Substances 0.000 title claims description 230
- 239000000654 additive Substances 0.000 claims description 43
- 230000000996 additive effect Effects 0.000 claims description 43
- 239000003990 capacitor Substances 0.000 claims description 34
- 229910010293 ceramic material Inorganic materials 0.000 claims description 22
- 229910052839 forsterite Inorganic materials 0.000 claims description 15
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical group [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 238000010304 firing Methods 0.000 description 10
- 229910052788 barium Inorganic materials 0.000 description 8
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 8
- 230000032798 delamination Effects 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 239000005388 borosilicate glass Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 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
- 239000000758 substrate Substances 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- -1 but instead of this Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
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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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
- H01G4/0085—Fried electrodes
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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
- 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
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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
- 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
- H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
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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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
- H01F2017/0026—Multilayer LC-filter
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16227—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a bond pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16235—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a via metallisation of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/1517—Multilayer substrate
- H01L2924/15192—Resurf arrangement of the internal vias
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15313—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a land array, e.g. LGA
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/162—Disposition
- H01L2924/16251—Connecting to an item not being a semiconductor or solid-state body, e.g. cap-to-substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19105—Disposition of discrete passive components in a side-by-side arrangement on a common die mounting substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/0085—Multilayer, e.g. LTCC, HTCC, green sheets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Ceramic Capacitors (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Conductive Materials (AREA)
Description
Ba−Nd−Ti系酸化物: 82重量%
フォルステライト: 6重量%
ホウケイ酸バリウム系のガラス: 9重量%
MnO: 3重量%
[低誘電率セラミック層]
フォルステライト: 62重量%
Ba−Nd−Ti系酸化物: 10重量%
ホウケイ酸バリウム系のガラス: 13重量%
MnO: 15重量%
[内部電極]
平均粒径1〜3μmのCu粉末:100重量部に対して、後掲の表1の「添加成分」の欄に示した添加成分を「添加量(重量部)」の欄に示した添加量をもって添加した無機粉末に、溶剤と樹脂とからなる有機ビヒクルとを加え、3本ロールミルで混練して、導電性ペーストを用いて形成した。
2,21 積層セラミック電子部品
3,28〜32,35〜40,73,74 低誘電率セラミック層
4,33,34,72 高誘電率セラミック層
6,75,76 内部電極
6(A) 境界内部電極
47,53 コンデンサパターン
71 評価用試料
Claims (11)
- 誘電率が互いに異なる少なくとも2種類のセラミック層を積層してなる、積層セラミック電子部品であって、
誘電率が互いに異なる前記セラミック層間の境界に沿って部分的に配置される内部電極を備え、
前記内部電極には、当該内部電極を介して隣り合う前記セラミック層の両方に含まれる成分と共通する添加成分が含まれている、積層セラミック電子部品。 - 前記添加成分は、前記セラミック層に含まれるセラミック材料の主成分と共通する、請求項1に記載の積層セラミック電子部品。
- 前記添加成分は、前記隣り合うセラミック層のうち、誘電率のより高いセラミック層に含まれるセラミック材料の主成分と共通する、請求項2に記載の積層セラミック電子部品。
- 前記誘電率のより高いセラミック層に含まれるセラミック材料の主成分がBa−Nd−Ti系酸化物であり、前記添加成分がBa−Nd−Ti系酸化物である、請求項3に記載の積層セラミック電子部品。
- 前記添加成分は、隣り合う前記セラミック層のうち、誘電率のより低いセラミック層に含まれるセラミック材料の主成分と共通する、請求項2に記載の積層セラミック電子部品。
- 前記誘電率のより低いセラミック層に含まれるセラミック材料の主成分がフォルステライトであり、前記添加成分がフォルステライトである、請求項5に記載の積層セラミック電子部品。
- 前記添加成分は、セラミック材料以外の前記隣り合うセラミック層の両方に含まれる成分と共通する、請求項1に記載の積層セラミック電子部品。
- 前記内部電極中に、金属材料100重量部に対して、前記添加成分を2〜20重量部含む、請求項1ないし7のいずれかに記載の積層セラミック電子部品。
- 前記内部電極の両主面に沿って前記添加成分が偏在する、請求項1ないし8のいずれかに記載の積層セラミック電子部品。
- 前記内部電極は、コンデンサを構成するため、誘電率の比較的高い前記セラミック層を介して対向する内部電極を含む、請求項1ないし9のいずれかに記載の積層セラミック電子部品。
- 前記内部電極は、金属材料としてCuを含む、請求項1ないし10のいずれかに記載の積層セラミック電子部品。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011282496A JP5617833B2 (ja) | 2011-12-23 | 2011-12-23 | 積層セラミック電子部品 |
TW101146576A TWI526127B (zh) | 2011-12-23 | 2012-12-11 | 積層陶瓷電子零件 |
US13/721,351 US9148109B2 (en) | 2011-12-23 | 2012-12-20 | Monolithic ceramic electronic component |
CN201210556639.9A CN103177875B (zh) | 2011-12-23 | 2012-12-20 | 层叠陶瓷电子元器件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2011282496A JP5617833B2 (ja) | 2011-12-23 | 2011-12-23 | 積層セラミック電子部品 |
Publications (2)
Publication Number | Publication Date |
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JP2013134999A JP2013134999A (ja) | 2013-07-08 |
JP5617833B2 true JP5617833B2 (ja) | 2014-11-05 |
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JP2011282496A Active JP5617833B2 (ja) | 2011-12-23 | 2011-12-23 | 積層セラミック電子部品 |
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---|---|
US (1) | US9148109B2 (ja) |
JP (1) | JP5617833B2 (ja) |
CN (1) | CN103177875B (ja) |
TW (1) | TWI526127B (ja) |
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CN106133860B (zh) | 2014-04-02 | 2019-09-17 | 株式会社村田制作所 | 芯片型电子部件 |
US9892853B2 (en) * | 2014-07-09 | 2018-02-13 | Ferro Corporation | Mid-K LTCC compositions and devices |
US10504843B2 (en) * | 2017-05-02 | 2019-12-10 | L. Pierre de Rochemont | High speed semiconductor chip stack |
US10498307B2 (en) * | 2017-09-14 | 2019-12-03 | Qualcomm Incorporated | Integrated device comprising a capacitor and inductor structure comprising a shared interconnect for a capacitor and an inductor |
JP2022138074A (ja) * | 2021-03-09 | 2022-09-22 | Tdk株式会社 | 積層型フィルタ装置 |
WO2023199695A1 (ja) * | 2022-04-13 | 2023-10-19 | 株式会社村田製作所 | 積層セラミック電子部品 |
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WO1998013932A1 (fr) * | 1996-09-26 | 1998-04-02 | Matsushita Electric Industrial Co., Ltd. | Filtre separateur et dispositif partage, et appareil de communication mobile a deux bandes de frequences utilisant le filtre |
JP3225851B2 (ja) * | 1996-09-26 | 2001-11-05 | 松下電器産業株式会社 | 複合積層セラミック部品 |
JPH11186727A (ja) * | 1997-12-22 | 1999-07-09 | Kyocera Corp | 配線基板およびその製造方法 |
JP2004063703A (ja) * | 2002-07-26 | 2004-02-26 | Kyocera Corp | セラミック多層回路基板及びその製造方法 |
JP2004111728A (ja) * | 2002-09-19 | 2004-04-08 | Murata Mfg Co Ltd | 積層セラミック電子部品およびこれに用いる内部電極ペースト |
JP2004281794A (ja) | 2003-03-17 | 2004-10-07 | Kyocera Corp | 多層配線基板とその製造方法 |
JP2005191129A (ja) * | 2003-12-24 | 2005-07-14 | Samsung Yokohama Research Institute Co Ltd | セラミック多層複合基板 |
US7439202B2 (en) * | 2004-03-01 | 2008-10-21 | Murata Manufacturing Co., Ltd. | Glass ceramic composition, glass-ceramic sintered body, and monolithic ceramic electronic component |
CN1826299B (zh) | 2004-03-01 | 2010-06-16 | 株式会社村田制作所 | 绝缘体陶瓷组合物、绝缘性陶瓷烧结体及层叠型陶瓷电子部件 |
JP4246716B2 (ja) * | 2005-05-02 | 2009-04-02 | Tdk株式会社 | 積層型フィルタ |
JP4840935B2 (ja) | 2007-09-28 | 2011-12-21 | 双信電機株式会社 | セラミック多層基板 |
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US20130162372A1 (en) | 2013-06-27 |
JP2013134999A (ja) | 2013-07-08 |
CN103177875B (zh) | 2016-03-16 |
TWI526127B (zh) | 2016-03-11 |
CN103177875A (zh) | 2013-06-26 |
US9148109B2 (en) | 2015-09-29 |
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