CA1076341A - Dielectric powder compositions - Google Patents
Dielectric powder compositionsInfo
- Publication number
- CA1076341A CA1076341A CA256,459A CA256459A CA1076341A CA 1076341 A CA1076341 A CA 1076341A CA 256459 A CA256459 A CA 256459A CA 1076341 A CA1076341 A CA 1076341A
- Authority
- CA
- Canada
- Prior art keywords
- dielectric
- disk
- composition
- powder
- range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 57
- 239000000843 powder Substances 0.000 title claims abstract description 37
- 239000003990 capacitor Substances 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 6
- 238000010304 firing Methods 0.000 description 22
- 238000001354 calcination Methods 0.000 description 19
- 239000010936 titanium Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 230000003247 decreasing effect Effects 0.000 description 11
- 239000004570 mortar (masonry) Substances 0.000 description 11
- 239000011521 glass Substances 0.000 description 10
- 239000007858 starting material Substances 0.000 description 8
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 7
- 238000005245 sintering Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 229910052712 strontium Inorganic materials 0.000 description 5
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910000003 Lead carbonate Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910003781 PbTiO3 Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- MFEVGQHCNVXMER-UHFFFAOYSA-L 1,3,2$l^{2}-dioxaplumbetan-4-one Chemical compound [Pb+2].[O-]C([O-])=O MFEVGQHCNVXMER-UHFFFAOYSA-L 0.000 description 1
- JOCBASBOOFNAJA-UHFFFAOYSA-N N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid Chemical compound OCC(CO)(CO)NCCS(O)(=O)=O JOCBASBOOFNAJA-UHFFFAOYSA-N 0.000 description 1
- CQGRLHBOVUGVEA-UHFFFAOYSA-N OOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOO CQGRLHBOVUGVEA-UHFFFAOYSA-N 0.000 description 1
- RXJRSPBZRVRVLM-UHFFFAOYSA-N OOOOOOOOOOOOOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOOOOOOOOOOOOO RXJRSPBZRVRVLM-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 150000001552 barium Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229940035564 duration Drugs 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000002003 electrode paste Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/47—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 strontium titanates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Ceramic Capacitors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/594,282 US4048546A (en) | 1975-07-09 | 1975-07-09 | Dielectric powder compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1076341A true CA1076341A (en) | 1980-04-29 |
Family
ID=24378275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA256,459A Expired CA1076341A (en) | 1975-07-09 | 1976-07-07 | Dielectric powder compositions |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4048546A (en, 2012) |
| JP (1) | JPS5221699A (en, 2012) |
| CA (1) | CA1076341A (en, 2012) |
| DE (1) | DE2631035C3 (en, 2012) |
| FR (1) | FR2317742A1 (en, 2012) |
| GB (1) | GB1508945A (en, 2012) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4228482A (en) * | 1976-07-07 | 1980-10-14 | E. I. Du Pont De Nemours And Company | Multilayer ceramic capacitors |
| DE2824870A1 (de) * | 1978-06-07 | 1979-12-20 | Philips Patentverwaltung | Verfahren zur herstellung eines dielektrikums mit perowskitstruktur |
| CA1108842A (en) * | 1978-10-30 | 1981-09-15 | Kiyoshi Furukawa | High dielectric constant type ceramic composition |
| JPS597665B2 (ja) * | 1979-03-28 | 1984-02-20 | 株式会社日立製作所 | 高誘電率磁器組成物 |
| GB2107300B (en) * | 1981-07-03 | 1985-04-24 | Standard Telephones Cables Ltd | Ceramic capacitors and dielectric compositions |
| DE3206502A1 (de) * | 1982-02-24 | 1983-09-01 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Dielektrikum auf der basis von bleititanaten sowie verfahren zu seiner herstellung und seine verwendung |
| US4450240A (en) * | 1982-03-17 | 1984-05-22 | Nippon Electric Co., Ltd. | Ceramic compositions having high dielectric constant and high specific resistivity |
| US4582814A (en) * | 1984-07-05 | 1986-04-15 | E. I. Du Pont De Nemours And Company | Dielectric compositions |
| US4640905A (en) * | 1985-05-01 | 1987-02-03 | E. I. Du Pont De Nemours And Company | Dielectric compositions |
| JPH0651572B2 (ja) * | 1985-11-25 | 1994-07-06 | 三菱マテリアル株式会社 | 高誘電体粉末の製造方法 |
| US4726099A (en) * | 1986-09-17 | 1988-02-23 | American Cyanamid Company | Method of making piezoelectric composites |
| JPH01100051A (ja) * | 1987-10-12 | 1989-04-18 | Mitsubishi Mining & Cement Co Ltd | 誘電体磁器組成物 |
| JP2733667B2 (ja) * | 1988-07-14 | 1998-03-30 | ティーディーケイ株式会社 | 半導体磁器組成物 |
| US6903495B2 (en) * | 2001-06-20 | 2005-06-07 | Nissan Motor Co., Ltd. | Piezoelectric material and method for manufacture thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA865794A (en) | 1971-03-09 | H. Brixner Lothar | Ferroelectric ceramic compositions | |
| US2777773A (en) * | 1953-07-01 | 1957-01-15 | Robert M Callahan | Barium titanate of increased dielectric constant and piezoelectric response and method of producing same |
| US2757792A (en) * | 1953-11-13 | 1956-08-07 | Erie Resistor Corp | Pack for condensers |
| US3305394A (en) * | 1964-06-30 | 1967-02-21 | Ibm | Method of making a capacitor with a multilayered ferroelectric dielectric |
| US3472777A (en) * | 1967-07-28 | 1969-10-14 | Du Pont | Ferroelectric ceramic compositions |
| US3708438A (en) * | 1971-01-27 | 1973-01-02 | Grace W R & Co | Process for the preparation of lead containing piezoelectric powders |
| US3718730A (en) * | 1971-06-23 | 1973-02-27 | Us Army | Method of treating barium titanate |
-
1975
- 1975-07-09 US US05/594,282 patent/US4048546A/en not_active Expired - Lifetime
-
1976
- 1976-07-07 CA CA256,459A patent/CA1076341A/en not_active Expired
- 1976-07-08 FR FR7620862A patent/FR2317742A1/fr active Granted
- 1976-07-08 GB GB28513/76A patent/GB1508945A/en not_active Expired
- 1976-07-09 JP JP51082445A patent/JPS5221699A/ja active Granted
- 1976-07-09 DE DE2631035A patent/DE2631035C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2317742A1 (fr) | 1977-02-04 |
| DE2631035C3 (de) | 1980-06-04 |
| FR2317742B1 (en, 2012) | 1981-05-29 |
| JPS5746601B2 (en, 2012) | 1982-10-04 |
| DE2631035A1 (de) | 1977-01-20 |
| DE2631035B2 (de) | 1979-09-13 |
| GB1508945A (en) | 1978-04-26 |
| US4048546A (en) | 1977-09-13 |
| JPS5221699A (en) | 1977-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |