KR20070015045A - 유전체막의 제조방법 및 콘덴서 - Google Patents
유전체막의 제조방법 및 콘덴서 Download PDFInfo
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- KR20070015045A KR20070015045A KR1020060071178A KR20060071178A KR20070015045A KR 20070015045 A KR20070015045 A KR 20070015045A KR 1020060071178 A KR1020060071178 A KR 1020060071178A KR 20060071178 A KR20060071178 A KR 20060071178A KR 20070015045 A KR20070015045 A KR 20070015045A
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- dielectric film
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 229910001026 inconel Inorganic materials 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 238000000137 annealing Methods 0.000 claims description 34
- 239000002243 precursor Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 16
- 229910052454 barium strontium titanate Inorganic materials 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 5
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 4
- 229910002113 barium titanate Inorganic materials 0.000 claims description 4
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 abstract description 9
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 98
- 239000010409 thin film Substances 0.000 description 13
- 239000010949 copper Substances 0.000 description 8
- 239000011888 foil Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000000441 X-ray spectroscopy Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000000089 atomic force micrograph Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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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
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02197—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides the material having a perovskite structure, e.g. BaTiO3
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02356—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment to change the morphology of the insulating layer, e.g. transformation of an amorphous layer into a crystalline layer
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/01—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate comprising only passive thin-film or thick-film elements formed on a common insulating substrate
- H01L27/016—Thin-film circuits
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0175—Inorganic, non-metallic layer, e.g. resist or dielectric for printed capacitor
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- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
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- Crystallography & Structural Chemistry (AREA)
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Abstract
Description
기판온도 (℃) | 어닐 온도 (℃) | 진공도 (Pa) | 이론밀도에 대한 비(%) | 평균 입경 (nm) | 비유전율 | tanδ (%) | 리크 전류 (A/㎠) |
24 | 800 | 8.0×10-10 | 85 | 68 | 2550 | 18 | 8.O×10-5 |
1.0×10-9 | 87 | 71 | 2550 | 15 | 2.0×10-5 | ||
5.0×10-7 | 90 | 65 | 2450 | 13 | 8.0×10-6 | ||
4.0×10-5 | 88 | 70 | 2440 | 14 | 4.5×10-7 | ||
2.0×10-3 | 86 | 71 | 2480 | 12 | 5.1×10-7 | ||
4.0×10-2 | 90 | 70 | 2463 | 11 | 4.7×10-6 | ||
8.0×10-1 | 88 | 72 | 2410 | 13 | 2.0×10-6 | ||
2.0×10 | 87 | 68 | 1910 | 11 | 6.0×10-7 | ||
3.0×102 | 85 | 65 | 1650 | 10 | 3.0×10-8 | ||
1.0×103 | 85 | 70 | 1200 | 9 | 5.0×10-8 | ||
2.O×104 | 88 | 71 | 400 | 9 | 3.0×10-8 |
기판온도 (℃) | 어닐 온도 (℃) | 진공도 (Pa) | 이론밀도에 대한 비(%) | 평균 입경 (nm) | 비유전율 | tanδ (%) | 리크 전류 (A/㎠) |
24 | 750 | 2.0×10-3 | 75 | 57 | 1480 | 26 | 4.0×10-4 |
4.0×10-2 | 75 | 60 | 1540 | 22 | 5.0×10-5 | ||
4.0×10-1 | 77 | 61 | 1510 | 15 | 8.0×10-6 | ||
8.0×10-1 | 74 | 55 | 1530 | 15 | 6.0×10-6 | ||
2.0×10 | 73 | 58 | 1350 | 13 | 7.0×10-7 | ||
3.O×102 | 75 | 53 | 1150 | 13 | 6.0×10-8 |
기판온도 (℃) | 어닐 온도 (℃) | 진공도 (Pa) | 이론밀도에 대한 비(%) | 평균 입경 (nm) | 비유전율 | tanδ (%) | 리크 전류 (A/㎠) |
24 | 400 | 4.0×10-2 | 45 | 28 | 250 | 3 | 8.O×10-8 |
500 | 65 | 40 | 900 | 9 | 7.0×10-7 | ||
550 | 73 | 44 | 1050 | 10 | 8.0×10-7 | ||
600 | 78 | 45 | 1100 | 11 | 4.0×10-7 | ||
650 | 83 | 46 | 1300 | 10 | 5.0×10-6 | ||
700 | 85 | 48 | 1800 | 12 | 6.0×10-6 | ||
750 | 88 | 50 | 2206 | 13 | 7.0×10-6 | ||
800 | 90 | 70 | 2463 | 11 | 4.7×10-6 | ||
850 | 91 | 130 | 3325 | 12 | 2.7×10-6 | ||
900 | 93 | 148 | 4020 | 9 | 6.0×10-6 | ||
950 | 93 | 145 | 4090 | 15 | 4.0×10-5 | ||
1000 | 95 | 147 | 4120 | 17 | 8.0×10-5 | ||
1050 | 95 | 150 | 4130 | 20 | 3.0×10-4 |
기판온도 (℃) | 어닐 온도 (℃) | 산소분압 (Pa) | 이론밀도에 대한 비(%) | 평균입경 (nm) | 비유전율 | tanδ (%) | 리크 전류 (A/㎠) |
24 | 850 | 2.6×10-4 | 72 | 40 | 190 | 1 | 5.4×10-8 |
900 | 2.4×10-3 | 70 | 10 | 230 | 3 | 8.4×10-9 |
Claims (8)
- 유전체막과, 이것을 사이에 두고 대향하도록 설치된 제 1 전극 및 제 2 전극을 구비하고,상기 유전체막이 격자 정수에 기초하여 산출되는 이론 밀도의 72%를 초과하는 밀도를 갖고,상기 제 1 전극 및 상기 제 2 전극의 적어도 한쪽이, Cu, Ni, Al, 스테인레스강 및 인코넬로 이루어지는 군으로부터 선택되는 적어도 1종의 금속을 함유하는 콘덴서.
- 제 1 항에 있어서, 상기 유전체막이 평균 입경이 40nm를 초과하는 입자로 이루어지는 콘덴서.
- 제 2 항에 있어서, 상기 유전체막이 평균 입경이 150nm 미만의 입자로 이루어지는 콘덴서.
- 제 1 항에 있어서, 상기 유전체막이 티타늄산 바륨, 티타늄산 스트론튬 및 티타늄산 바륨스트론튬으로 이루어지는 군으로부터 선택되는 적어도 1종의 화합물을 함유하는 콘덴서.
- 금속층상에 유전체를 포함하는 전구체층을 형성시키는 전구체층 형성 공정과,상기 전구체층을 가열하여 상기 전구체층 중의 상기 유전체를 결정화시킴으로써 유전체막을 형성시키는 어닐 공정을 구비하고,상기 어닐 공정의 적어도 일부에서, 전리 진공계로 측정되는 압력이 1×10-9 내지 1×103Pa인 감압 분위기하에서 상기 전구체층을 550 내지 1000℃로 가열하는 유전체막의 제조방법.
- 제 5 항에 있어서, 상기 금속층이 Cu, Ni, Al, 스테인레스강 및 인코넬로 이루어지는 군으로부터 선택되는 적어도 1종의 금속을 함유하는 유전체막의 제조방법.
- 제 5 항에 있어서, 상기 금속층이 Cu로 이루어지고,상기 어닐 공정에 있어서 전리 진공계로 측정되는 압력이 4×10-1 내지 8×10-1Pa인 감압 분위기하에서 상기 전구체층을 가열하는 유전체막의 제조방법.
- 제 5 항에 있어서, 상기 금속층이 Ni로 이루어지고,상기 어닐 공정에 있어서 전리 진공계로 측정되는 압력이 2×10-3 내지 8× 10-1Pa인 감압 분위기하에서 상기 전구체층을 가열하는 유전체막의 제조방법.
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Application Number | Priority Date | Filing Date | Title |
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JP2005221676 | 2005-07-29 | ||
JPJP-P-2005-00221676 | 2005-07-29 |
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KR20070015045A true KR20070015045A (ko) | 2007-02-01 |
KR100839810B1 KR100839810B1 (ko) | 2008-06-19 |
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US (1) | US7539005B2 (ko) |
EP (1) | EP1770725B1 (ko) |
KR (1) | KR100839810B1 (ko) |
CN (1) | CN1905096B (ko) |
TW (1) | TW200709232A (ko) |
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JP4956939B2 (ja) * | 2005-08-31 | 2012-06-20 | Tdk株式会社 | 誘電体膜及びその製造方法 |
JP4980419B2 (ja) | 2007-04-18 | 2012-07-18 | イビデン株式会社 | 多層プリント配線板及びその製造方法 |
US7981741B2 (en) * | 2007-08-02 | 2011-07-19 | E. I. Du Pont De Nemours And Company | High-capacitance density thin film dielectrics having columnar grains formed on base-metal foils |
JP5218113B2 (ja) * | 2008-03-31 | 2013-06-26 | Tdk株式会社 | 誘電体素子の製造方法 |
US20100024181A1 (en) * | 2008-07-31 | 2010-02-04 | E. I. Dupont De Nemours And Company | Processes for forming barium titanate capacitors on microstructurally stable metal foil substrates |
JP5051166B2 (ja) * | 2009-03-27 | 2012-10-17 | Tdk株式会社 | 薄膜デバイス |
JP5407775B2 (ja) * | 2009-03-31 | 2014-02-05 | Tdk株式会社 | 薄膜コンデンサの製造方法及び薄膜コンデンサ |
KR101032342B1 (ko) * | 2009-04-24 | 2011-05-02 | 삼화콘덴서공업주식회사 | 임베디드 커패시터 및 이를 이용한 임베디드 커패시터 시트, 및 그의 제조방법 |
JP6750462B2 (ja) | 2016-11-04 | 2020-09-02 | Tdk株式会社 | 薄膜コンデンサ及び電子部品内蔵基板 |
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US5144527A (en) * | 1989-08-24 | 1992-09-01 | Murata Manufacturing Co., Ltd. | Multilayer capacitor and method of fabricating the same |
US6169049B1 (en) * | 1997-04-28 | 2001-01-02 | John P. Witham | Solution coated hydrothermal BaTiO3 for low-temperature firing |
US6541137B1 (en) | 2000-07-31 | 2003-04-01 | Motorola, Inc. | Multi-layer conductor-dielectric oxide structure |
US20040175585A1 (en) | 2003-03-05 | 2004-09-09 | Qin Zou | Barium strontium titanate containing multilayer structures on metal foils |
US7029971B2 (en) | 2003-07-17 | 2006-04-18 | E. I. Du Pont De Nemours And Company | Thin film dielectrics for capacitors and methods of making thereof |
US7256980B2 (en) | 2003-12-30 | 2007-08-14 | Du Pont | Thin film capacitors on ceramic |
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- 2006-07-26 US US11/492,943 patent/US7539005B2/en active Active
- 2006-07-28 EP EP06015838A patent/EP1770725B1/en active Active
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Publication number | Publication date |
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KR100839810B1 (ko) | 2008-06-19 |
EP1770725A3 (en) | 2007-04-11 |
US20070025059A1 (en) | 2007-02-01 |
EP1770725B1 (en) | 2012-06-27 |
CN1905096A (zh) | 2007-01-31 |
TW200709232A (en) | 2007-03-01 |
EP1770725A2 (en) | 2007-04-04 |
CN1905096B (zh) | 2010-11-24 |
TWI360138B (ko) | 2012-03-11 |
US7539005B2 (en) | 2009-05-26 |
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