KR930005915A - 혼합금속 산화물 분말의 제조방법 및 전기축전기와 저항기 제조용 분말을 얻기 위한 이의 용도 - Google Patents
혼합금속 산화물 분말의 제조방법 및 전기축전기와 저항기 제조용 분말을 얻기 위한 이의 용도 Download PDFInfo
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- KR930005915A KR930005915A KR1019920016357A KR920016357A KR930005915A KR 930005915 A KR930005915 A KR 930005915A KR 1019920016357 A KR1019920016357 A KR 1019920016357A KR 920016357 A KR920016357 A KR 920016357A KR 930005915 A KR930005915 A KR 930005915A
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- Prior art keywords
- solution
- metal
- alcohol
- process according
- resistor
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- 238000004519 manufacturing process Methods 0.000 title claims abstract 8
- 239000000843 powder Substances 0.000 title claims abstract 6
- 239000003990 capacitor Substances 0.000 title claims abstract 3
- 229910003455 mixed metal oxide Inorganic materials 0.000 title claims abstract 3
- 238000002360 preparation method Methods 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 claims abstract 16
- 239000002184 metal Substances 0.000 claims abstract 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract 12
- 239000000203 mixture Substances 0.000 claims abstract 4
- 235000006408 oxalic acid Nutrition 0.000 claims abstract 4
- 239000002244 precipitate Substances 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 3
- 150000003839 salts Chemical class 0.000 claims 3
- 239000002904 solvent Substances 0.000 claims 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 2
- 230000000737 periodic effect Effects 0.000 claims 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 229910052787 antimony Inorganic materials 0.000 claims 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910000000 metal hydroxide Inorganic materials 0.000 claims 1
- 150000004692 metal hydroxides Chemical class 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 229910052712 strontium Inorganic materials 0.000 claims 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
- C01G1/02—Oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/18—Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
- C01B13/185—Preparing mixtures of oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/32—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G21/00—Compounds of lead
- C01G21/006—Compounds containing, besides lead, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/003—Titanates
- C01G23/006—Alkaline earth titanates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/006—Compounds containing, besides manganese, two or more other elements, with the exception of oxygen or hydrogen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
- H01C7/022—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances
- H01C7/023—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances containing oxides or oxidic compounds, e.g. ferrites
- H01C7/025—Perovskites, e.g. titanates
-
- 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
-
- 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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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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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
- C01P2006/80—Compositional purity
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Thermistors And Varistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Ceramic Capacitors (AREA)
Abstract
옥살산과 최소한 하나의 금속 알코올레이트의 새로히 제조된 알코올 용액을 최소한 하나의 다른 금속의 하나 이상의 유도체의 용액(B)과 혼합한 다음, 알코올을 증발하여 형성된 침전물을 수집하고 이를 오븐에서 건조하고 소성함을 특징으로 하는 혼합금속 산화물 분말의 제조방법.
양의 온도계수(PTC저항기)를 갖는 전기 축전기와 저항기를 제조하기 위하여 반미량 분말체 조성물을 얻는 제조방법의 용도.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (14)
- 옥살산과 최소한 하나의 금속 알코올레이트의 알코올 용액(A)을 용액(A)과는 다른 최소한 하나의 금속의 하나 이상의 유도체의 용액(B)과 혼합한 다음, 알코올을 증발하여 형성된 침전물을 수집하고 이를 건조하고 소성하여서 하는 혼합금속 산화물 분말의 제조방법에 있어서, a)용액(A)을 금속 알코올레이트의 알코올 용액에 옥살산의 알코올 용액(C)을 첨가하여 이의 사용직전에 제조하고, b)용액(B)이 용액(A)과는 다른 금속의 최소한 하나의 수산화물 또는 아세테이트를 알코올에 용해한 용액임을 특징으로 하는 상기 제조방법.
- 제1항에 있어서, 용액(D)의 금속알코올레이드의 금속이 원소주기율표 Ⅳb족에 속함을 특징으로 하는 제조방법.
- 제1항 또는 제2항에 있어서, 용액(B)의 금속수산화물 또는 아세테이트의 금속이 원소주기율표 Ⅱa족에 속함을 특징으로 하는 제조방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 하나 이상의 Ⅳa, Ⅴa, Ⅱb, Ⅲb와 Ⅶb족에 속하는 최소한 하나의 금속의 하나 이상의 수산화물 또는 아세테이트를 함유함을 특징으로 하는 제조방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 용액(B)용 용매로서 선택한 알코올이 용액(C)의 용매와 동일한 저급 지방족알코올 임을 특징으로 하는 제조방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 용액(C)와 (B)용 용매로서 사용된 알코올을 메탄올, 에탄올과 이소프로판올에서 선택함을 특징으로 하는 제조방법.
- 제2항 내지 제6항 중 어느 한 항에 있어서, 용액(A)을 제조하는데 사용된 용액(D)이 Ⅳb족 금속유도체의 총 몰량의 70％보다 더 작은 총 몰량으로 용액(B)금속의 최소한 하나의 용해염을 더 함유함을 특징으로 하는 제조방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 용액(A)을 제조하는데 사용되는 용액(D)이 금속이 원자 그람당 0.2∼1.5이온 그람의 농도로 아세테이트 이온을 더 함유함을 특징으로 하는 제조방법.
- 제2항 내지 제8항 중 어느 한 항에 있어서, Ⅳb족 속하는 금속이 티타늄과/또는 지르코늄임을 특징으로 하는 제조방법.
- 제3항 내지 제9항 중 어느 한 항에 있어서, Ⅱa족 금속을 바륨, 스트론튬, 칼슘과 이들의 혼합물에서 선택함을 특징으로 하는 제조방법.
- 제7항에 있어서, 용해성 금속염을 납, 규소, 안티모니와 망간 및 이들의 혼합물의 염에서 선택함을 특징으로 하는 제조방법.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 용액(A)이 리터당 .1∼2.5몰의 옥살산을 함유하고 용액(B)이 리터당0.1∼1.5원자 그람의 금속을 함유함을 특징으로 하는 제조방법.
- 제1항 내지 제12항중 어느 한 항에 있어서, 침전물을 소성시키는데 사용된 오븐이 공기만으로 이루어진 대기가스로 충전됨을 특징으로 하는 제조방법.
- 양의 온도계수(PTC)저항기를 갖는 전기축전기와 저항기를 제조하기 위하여 반미량 분말체 조성물을 얻는 제1항 내지 제13항중 어느 한 항에 다른 방법의 용도.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE09100836 | 1991-09-09 | ||
| BE9100836A BE1005383A3 (fr) | 1991-09-09 | 1991-09-09 | Procede pour la fabrication d'une poudre d'oxydes metalliques mixtes et son utilisation pour l'obtention d'une poudre destinee a la fabrication de condensateurs et de resistances electriques. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR930005915A true KR930005915A (ko) | 1993-04-20 |
Family
ID=3885694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920016357A KR930005915A (ko) | 1991-09-09 | 1992-09-08 | 혼합금속 산화물 분말의 제조방법 및 전기축전기와 저항기 제조용 분말을 얻기 위한 이의 용도 |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0532084A1 (ko) |
| JP (1) | JPH05201706A (ko) |
| KR (1) | KR930005915A (ko) |
| AU (1) | AU2212892A (ko) |
| BE (1) | BE1005383A3 (ko) |
| CA (1) | CA2077701A1 (ko) |
| TW (1) | TW208696B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450729B1 (ko) * | 2002-07-26 | 2004-10-01 | 윤용호 | 스팽글 공급장치 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19515629A1 (de) * | 1995-04-28 | 1996-10-31 | Varta Batterie | Verfahren zur Herstellung eines Lithiummanganoxid-Spinells als Kathodenmaterial für Lithium-Sekundärbatterien |
| TW414826B (en) * | 1999-12-17 | 2000-12-11 | Loktronic Ind Ltd | Electric lock |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3019098C2 (de) * | 1980-05-19 | 1983-02-10 | Siemens AG, 1000 Berlin und 8000 München | Keramisches Kaltleitermaterial und Verfahren zu dessen Herstellung |
| JPS5939722A (ja) * | 1982-08-25 | 1984-03-05 | Natl Inst For Res In Inorg Mater | ペロブスカイト型酸化物粉末の製造法 |
| CA1217927A (en) * | 1983-04-15 | 1987-02-17 | Tsutomu Nanao | Inorganic composite material and process for preparing the same |
| DE3475063D1 (en) * | 1983-11-30 | 1988-12-15 | Taiyo Yuden Kk | Low temperature sinterable ceramic materials for use in solid dielectric capacitors or the like, and method of manufacture |
| JP2767584B2 (ja) * | 1987-03-11 | 1998-06-18 | 日本セメント 株式会社 | ペロブスカイト型セラミックス微粉末の製造方法 |
| FR2617151B1 (fr) * | 1987-06-29 | 1990-10-12 | Solvay | Procede pour la fabrication d'une poudre d'oxydes metalliques mixtes, et poudres d'oxydes metalliques mixtes |
| US5011822A (en) * | 1989-01-10 | 1991-04-30 | Allied-Signal Inc. | Preparation of a uniform mixed metal oxide and superconductive oxides |
-
1991
- 1991-09-09 BE BE9100836A patent/BE1005383A3/fr not_active IP Right Cessation
-
1992
- 1992-08-31 EP EP92202629A patent/EP0532084A1/fr not_active Withdrawn
- 1992-09-04 AU AU22128/92A patent/AU2212892A/en not_active Abandoned
- 1992-09-04 TW TW081107029A patent/TW208696B/zh active
- 1992-09-08 CA CA002077701A patent/CA2077701A1/fr not_active Abandoned
- 1992-09-08 KR KR1019920016357A patent/KR930005915A/ko not_active Application Discontinuation
- 1992-09-09 JP JP4240861A patent/JPH05201706A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450729B1 (ko) * | 2002-07-26 | 2004-10-01 | 윤용호 | 스팽글 공급장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05201706A (ja) | 1993-08-10 |
| EP0532084A1 (fr) | 1993-03-17 |
| TW208696B (ko) | 1993-07-01 |
| AU2212892A (en) | 1993-03-11 |
| BE1005383A3 (fr) | 1993-07-13 |
| CA2077701A1 (fr) | 1993-03-10 |
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