KR100992233B1 - 세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 - Google Patents
세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 Download PDFInfo
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- KR100992233B1 KR100992233B1 KR1020080094859A KR20080094859A KR100992233B1 KR 100992233 B1 KR100992233 B1 KR 100992233B1 KR 1020080094859 A KR1020080094859 A KR 1020080094859A KR 20080094859 A KR20080094859 A KR 20080094859A KR 100992233 B1 KR100992233 B1 KR 100992233B1
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- Prior art keywords
- internal electrodes
- dielectric
- layer
- capacitor
- forming
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- 239000003990 capacitor Substances 0.000 title claims abstract description 47
- 239000000919 ceramic Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 229920000642 polymer Polymers 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000007747 plating Methods 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 9
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 14
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 description 10
- 239000000945 filler Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 102100029824 ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 2 Human genes 0.000 description 1
- 102100037086 Bone marrow stromal antigen 2 Human genes 0.000 description 1
- 101000794082 Homo sapiens ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 2 Proteins 0.000 description 1
- 101000740785 Homo sapiens Bone marrow stromal antigen 2 Proteins 0.000 description 1
- 101001099051 Homo sapiens GPI inositol-deacylase Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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
- 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
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
- Y10T29/435—Solid dielectric type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49165—Manufacturing circuit on or in base by forming conductive walled aperture in base
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Ceramic Capacitors (AREA)
Abstract
Description
세라믹 필러 부피비: 30% | 세라믹 필러 부피비: 50% | |||
Sr 몰비(x) | 유전율 | Q값 | 유전율 | Q값 |
0.1(BST1) | 10.2 | 183 | 28.5 | 142 |
0.2(BST2) | 10.4 | 306 | 27.4 | 206 |
0.3(BST3) | 9.6 | 248 | 27.1 | 239 |
0.4(BST4) | 9.8 | 289 | 26.9 | 300 |
0.5(BST5) | 10.2 | 752 | 28.3 | 345 |
Claims (9)
- 세라믹 분말과 폴리머가 혼합된 복합재로 이루어진 유전체층과 그 유전체층의 양면 각각에 일정한 간격으로 형성된 제1 및 제2 내부 전극을 갖는 캐패시터 적층체를 마련하는 단계;상기 캐패시터 적층체의 양면에 절연성 물질로 이루어진 커버층을 형성하는 단계;상기 제1 및 제2 내부전극이 각각 노출되도록 상기 커버층이 형성된 상기 캐패시터 적층체에 적어도 하나의 관통구 형태의 제1 및 제2 절단부를 형성하는 단계;상기 제1 및 제2 절단부에 상기 제1 및 제2 내부전극에 각각 연결된 도금층을 형성하는 단계; 및상기 제1 및 제2 절단부에 형성된 도금층이 각각 제1 및 제2 외부단자으로 제공되도록 상기 제1 및 제2 절단부를 따라 복수개의 칩 캐패시터를 제조하도록 칩 단위로 절단하는 단계를 포함하는 칩 캐패시터 제조방법.
- 제1항에 있어서,상기 캐패시터 적층체의 유전체층과 제1 및 제2 내부전극 각각은 복수개이며, 복수의 제1 및 제2 내부전극은 일 유전체층을 사이에 두고 교대로 적층된 것을 특징으로 하는 칩 캐패시터 제조방법.
- 제1항에 있어서,상기 커버층은 그 외부면에 형성된 금속층을 포함하며,상기 도금층을 형성하는 단계 후에, 상기 절단부에 형성된 도금층이 전기적으로 분리되도록 상기 금속층을 선택적으로 제거하는 단계를 더 포함하는 것을 특징으로 하는 칩 캐패시터 제조방법.
- 제1항에 있어서,상기 커버층의 절연물질은 상기 유전체층과 동일한 세라믹과 폴리머의 혼합물인 복합재인 것을 특징으로 하는 칩 캐패시터 제조방법.
- 제1항에 있어서,상기 절단부는 슬롯형상 또는 홀형상인 것을 특징으로 하는 칩 캐패시터 제조방법.
- 제1항에 있어서,상기 제1 및 제2 내부전극은 구리(Cu)인 것을 특징으로 하는 칩 캐패시터 제 조방법.
- 제1항에 있어서,상기 세라믹 분말은 (1-x)BaTiO3-xSrTiO3(0.1≤x≤0.5)이며, 상기 폴리머는 액정 폴리머(liquid crystal polymer, LCP)인 것을 특징으로 하는 칩 캐패시터 제조방법.
- 제7항에 있어서,상기 복합재는, 1㎒ 측정주파수에서 유전율의 온도변화율 300ppm/℃이하이며, 유전정접 0.005이하인 것을 특징으로 하는 칩 캐패시터 제조방법.
- 제8항에 있어서,상기 액정 폴리머는 60∼90vol%이며, 상기 세라믹 분말은 10∼40vol%인 것을 특징으로 하는 칩 캐패시터 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080094859A KR100992233B1 (ko) | 2008-09-26 | 2008-09-26 | 세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 |
US12/421,873 US7913368B2 (en) | 2008-09-26 | 2009-04-10 | Method of manufacturing chip capacitor including ceramic/polymer composite |
JP2009101174A JP2010080912A (ja) | 2008-09-26 | 2009-04-17 | チップキャパシタの製造方法 |
Applications Claiming Priority (1)
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KR1020080094859A KR100992233B1 (ko) | 2008-09-26 | 2008-09-26 | 세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20100035461A KR20100035461A (ko) | 2010-04-05 |
KR100992233B1 true KR100992233B1 (ko) | 2010-11-05 |
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KR1020080094859A KR100992233B1 (ko) | 2008-09-26 | 2008-09-26 | 세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 |
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US (1) | US7913368B2 (ko) |
JP (1) | JP2010080912A (ko) |
KR (1) | KR100992233B1 (ko) |
Cited By (1)
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KR101266002B1 (ko) | 2012-10-12 | 2013-05-22 | 김형태 | 건식 적층 세라믹 커패시터 제조방법 |
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KR100992233B1 (ko) * | 2008-09-26 | 2010-11-05 | 삼성전기주식회사 | 세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 |
KR20180007865A (ko) * | 2016-07-14 | 2018-01-24 | 삼성전기주식회사 | 적층형 커패시터 및 그 실장 기판 |
KR102262902B1 (ko) | 2019-08-23 | 2021-06-09 | 삼성전기주식회사 | 적층 세라믹 커패시터 및 그 제조 방법 |
TWI775280B (zh) * | 2021-01-20 | 2022-08-21 | 力晶積成電子製造股份有限公司 | 電容集成結構、電容單元及其製造方法 |
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EP0582881B1 (en) * | 1992-07-27 | 1997-12-29 | Murata Manufacturing Co., Ltd. | Multilayer electronic component, method of manufacturing the same and method of measuring characteristics thereof |
JP2870371B2 (ja) * | 1993-08-05 | 1999-03-17 | 株式会社村田製作所 | 積層電子部品、その製造方法およびその特性測定方法 |
JPH1131893A (ja) * | 1997-05-12 | 1999-02-02 | Murata Mfg Co Ltd | 電子部品の製造方法およびそれを用いた電子部品 |
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US6760227B2 (en) * | 2000-11-02 | 2004-07-06 | Murata Manufacturing Co., Ltd. | Multilayer ceramic electronic component and manufacturing method thereof |
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JP3938299B2 (ja) * | 2001-11-27 | 2007-06-27 | 日本カーバイド工業株式会社 | 非焼結シート及びその製造方法 |
KR100495211B1 (ko) * | 2002-11-25 | 2005-06-14 | 삼성전기주식회사 | 세라믹 다층기판 및 그 제조방법 |
KR100674842B1 (ko) * | 2005-03-07 | 2007-01-26 | 삼성전기주식회사 | 기판 내장용 적층형 칩 커패시터를 구비하는 인쇄회로 기판 |
KR100739491B1 (ko) | 2005-10-21 | 2007-07-19 | 한국과학기술연구원 | 고유전율 캐패시터 및 그 제조방법 |
KR100849791B1 (ko) | 2007-03-12 | 2008-07-31 | 삼성전기주식회사 | 캐패시터 내장형 인쇄회로기판 |
KR100992233B1 (ko) * | 2008-09-26 | 2010-11-05 | 삼성전기주식회사 | 세라믹/폴리머 복합재를 이용한 칩 캐패시터 제조방법 |
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Cited By (1)
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KR101266002B1 (ko) | 2012-10-12 | 2013-05-22 | 김형태 | 건식 적층 세라믹 커패시터 제조방법 |
Also Published As
Publication number | Publication date |
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US7913368B2 (en) | 2011-03-29 |
JP2010080912A (ja) | 2010-04-08 |
US20100077582A1 (en) | 2010-04-01 |
KR20100035461A (ko) | 2010-04-05 |
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