WO2009125680A3 - 誘電体材料の製造方法 - Google Patents
誘電体材料の製造方法 Download PDFInfo
- Publication number
- WO2009125680A3 WO2009125680A3 PCT/JP2009/056213 JP2009056213W WO2009125680A3 WO 2009125680 A3 WO2009125680 A3 WO 2009125680A3 JP 2009056213 W JP2009056213 W JP 2009056213W WO 2009125680 A3 WO2009125680 A3 WO 2009125680A3
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- WIPO (PCT)
- Prior art keywords
- heating
- dielectric material
- intermediate product
- lactic acid
- particle powder
- Prior art date
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- 239000003989 dielectric material Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 3
- 239000010419 fine particle Substances 0.000 abstract 3
- 239000010936 titanium Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000013067 intermediate product Substances 0.000 abstract 2
- 235000014655 lactic acid Nutrition 0.000 abstract 2
- 239000004310 lactic acid Substances 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 238000000862 absorption spectrum Methods 0.000 abstract 1
- 238000004220 aggregation Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 235000006408 oxalic acid Nutrition 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- 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
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Abstract
本発明は、微粒でありながら凝集が防止されており、比誘電率が高い誘電体材料を容易に製造し得る方法を提供する。 本発明は、下記の無定形微粒子粉末を空気中230℃以上530℃未満で加熱して中間生成物を得る第1の工程と、第1の工程で得られた中間生成物を、減圧下700℃以上1000℃以下で加熱する第2の工程とを備えることを特徴とする。〔無定形微粒子粉末〕 チタン、バリウム、乳酸及び蓚酸を含み、BET比表面積が6m2/g以上で、Ba原子とTi原子のモル比(Ba/Ti)が0.98~1.02で、乳酸に由来する1120~1140cm-1及び1040~1060cm-1に赤外線吸収スペクトルピークを有することを特徴とする無定形微粒子粉末。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-072408 | 2008-03-19 | ||
JP2008072408 | 2008-03-19 | ||
JP2009061689A JP5410124B2 (ja) | 2008-03-19 | 2009-03-13 | 誘電体材料の製造方法 |
JP2009-061689 | 2009-03-13 |
Publications (2)
Publication Number | Publication Date |
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WO2009125680A2 WO2009125680A2 (ja) | 2009-10-15 |
WO2009125680A3 true WO2009125680A3 (ja) | 2009-12-03 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/056213 WO2009125680A2 (ja) | 2008-03-19 | 2009-03-19 | 誘電体材料の製造方法 |
Country Status (2)
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JP (1) | JP5410124B2 (ja) |
WO (1) | WO2009125680A2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010047428A (ja) * | 2008-08-19 | 2010-03-04 | Nippon Chem Ind Co Ltd | チタン複合塩粉末、その製造方法及びそれを用いたペロブスカイト型チタン複合酸化物粉末の製造方法 |
JP4894908B2 (ja) * | 2009-11-17 | 2012-03-14 | Tdk株式会社 | 誘電体磁器組成物 |
KR102539617B1 (ko) * | 2014-06-13 | 2023-06-07 | 도다 고교 가부시끼가이샤 | 티타늄산바륨 미립자 분말, 분산체 및 도막 |
CN114317076B (zh) * | 2021-12-14 | 2022-10-25 | 菏泽学院 | 一种同核异壳纳米颗粒电流变液及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01294527A (ja) * | 1988-05-20 | 1989-11-28 | Mitsubishi Petrochem Co Ltd | Abo↓3型ペロブスカイト型金属酸化物の製造方法 |
WO2005093763A1 (ja) * | 2004-03-29 | 2005-10-06 | Nippon Chemical Industrial Co., Ltd. | 複合誘電体材料用無機誘電体粉末及び複合誘電体材料 |
WO2005094978A1 (ja) * | 2004-03-18 | 2005-10-13 | Gifu University | 粒子を分散させるための組成物、粒子が分散されている組成物及びその製造方法並びにアナターゼ型酸化チタン焼結体 |
JP2007161502A (ja) * | 2005-12-09 | 2007-06-28 | Gifu Univ | チタン含有複合酸化物形成用溶液及びその製造方法、チタン含有複合酸化物の製造方法、チタン含有複合酸化物の前駆体、誘電体材料、並びに誘電体材料の製造方法 |
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2009
- 2009-03-13 JP JP2009061689A patent/JP5410124B2/ja active Active
- 2009-03-19 WO PCT/JP2009/056213 patent/WO2009125680A2/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01294527A (ja) * | 1988-05-20 | 1989-11-28 | Mitsubishi Petrochem Co Ltd | Abo↓3型ペロブスカイト型金属酸化物の製造方法 |
WO2005094978A1 (ja) * | 2004-03-18 | 2005-10-13 | Gifu University | 粒子を分散させるための組成物、粒子が分散されている組成物及びその製造方法並びにアナターゼ型酸化チタン焼結体 |
WO2005093763A1 (ja) * | 2004-03-29 | 2005-10-06 | Nippon Chemical Industrial Co., Ltd. | 複合誘電体材料用無機誘電体粉末及び複合誘電体材料 |
JP2007161502A (ja) * | 2005-12-09 | 2007-06-28 | Gifu Univ | チタン含有複合酸化物形成用溶液及びその製造方法、チタン含有複合酸化物の製造方法、チタン含有複合酸化物の前駆体、誘電体材料、並びに誘電体材料の製造方法 |
Also Published As
Publication number | Publication date |
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WO2009125680A2 (ja) | 2009-10-15 |
JP2009256190A (ja) | 2009-11-05 |
JP5410124B2 (ja) | 2014-02-05 |
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