GB1212347A - Improvements in or relating to ceramic complex metal oxides - Google Patents
Improvements in or relating to ceramic complex metal oxidesInfo
- Publication number
- GB1212347A GB1212347A GB1524767A GB1524767A GB1212347A GB 1212347 A GB1212347 A GB 1212347A GB 1524767 A GB1524767 A GB 1524767A GB 1524767 A GB1524767 A GB 1524767A GB 1212347 A GB1212347 A GB 1212347A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tape
- feeler
- edge
- guide shoe
- complex metal
- 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
- 239000000919 ceramic Substances 0.000 title abstract 3
- 229910044991 metal oxide Inorganic materials 0.000 title abstract 3
- 150000004706 metal oxides Chemical class 0.000 title abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- 150000004703 alkoxides Chemical class 0.000 abstract 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- 239000000047 product Substances 0.000 abstract 2
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- 229910052726 zirconium Inorganic materials 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910001510 metal chloride Inorganic materials 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 abstract 1
- 239000006104 solid solution Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 229910052723 transition metal Inorganic materials 0.000 abstract 1
- 150000003624 transition metals Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
- H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic dielectric
-
- 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
- C01G33/00—Compounds of niobium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
- C01G33/006—Compounds containing, besides niobium, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
-
- 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
- C04B35/26—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 ferrites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/34—Three-dimensional structures perovskite-type (ABO3)
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Magnetic Heads (AREA)
Abstract
1,212,347. Mixed oxides; ceramics. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 18 March, 1968 [3 April, 1967], No. 15247/67. Headings C1A and C1J. [Also in Division H1] A ceramic complex metal oxide crystalline product having ferroelectric or ferromagnetic properties is prepared by forming an alkoxide of two or more of the transition metals and the metals of Groups I, II, and VB of the Periodic Table, mixing the alkoxides in the fluid phase, and converting the mixture to the complex metal oxide product. Stcichiometric compounds or solid solutions of the oxides may be formed. Alkoxides of Zr, Ti, Nb, and Sn may be prepared by reacting the metal chloride with alcohol in the presence of ammonia. In examples solutions in n-butanol of butoxides of Pb, Zr, Ti and Nb, with or without. Sn, are mixed, hydrolysed by spraying into water containing ammonia, and the precipitate is washed, filtered, and calcined in an oxygen atmosphere; other examples describe the preparation of lead titanate, zirconate, and niobate. Hf may partly or wholly replace Zr. electric motor, the tape 6 then passing through a groove in a guide shoe 14 resting on the glass pane as the trolley moves horizontally. Feeler rollers 30, 31, Fig. 4b, move with the tape applying section, one behind the other to detect an edge k of the glass pane. The respective spring- biased lever mechanisms of the feeler rollers 30, 31 actuate switches so that the horizontal transport of the machine is first slowed down when the feeler 31 reaches the edge k and then stopped when feeler roller 30 arrives. At the same time they activate an hydraulic clamping device, Fig. 5 (not shown), to prevent the guide shoe 14 dropping over the edge k. The tape 6 is then cut by reciprocating blades 23a, 24a, Fig. 1, adjacent the feeler rollers 30, 31. The clamp is released and an hydraulic jack (5), Fig 7 (not shown) raises the tape applying section to its original position on the columns 4 and the trolley returned to its initial position. A cantilever spring (12), Figs. 2a, 2b (not shown), located beneath the guide shoe 14 projects across its groove to prevent the tape from falling whilst the tape applying section is raised and lowered, and also to prevent retraction of the tape during application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1524767A GB1212347A (en) | 1967-04-03 | 1967-04-03 | Improvements in or relating to ceramic complex metal oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1524767A GB1212347A (en) | 1967-04-03 | 1967-04-03 | Improvements in or relating to ceramic complex metal oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1212347A true GB1212347A (en) | 1970-11-11 |
Family
ID=10055680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1524767A Expired GB1212347A (en) | 1967-04-03 | 1967-04-03 | Improvements in or relating to ceramic complex metal oxides |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1212347A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108970A (en) * | 1976-07-21 | 1978-08-22 | Bell Telephone Laboratories, Incorporated | Process for producing lithium niobate and lithium tantalate |
| FR2572066A1 (en) * | 1984-10-24 | 1986-04-25 | Mitsubishi Mining & Cement Co | Process and apparatus for preparing a ceramic powder |
| DE3742023A1 (en) * | 1987-12-11 | 1989-06-22 | Kernforschungsz Karlsruhe | Breeder material of ternary, lithium-containing oxide |
| US4933155A (en) * | 1988-03-11 | 1990-06-12 | Tosoh Corporation | Method of producing powder of lithium zirconate |
| FR2670770A1 (en) * | 1990-12-20 | 1992-06-26 | Bellon Labor Sa Roger | PROCESS FOR PREPARING AN OXIDE OF AT LEAST TWO DIFFERENT METALS. |
| FR2713218A1 (en) * | 1993-12-01 | 1995-06-09 | Rhone Poulenc Chimie | Tantalum and/or niobium based mixed oxide prepn. |
-
1967
- 1967-04-03 GB GB1524767A patent/GB1212347A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108970A (en) * | 1976-07-21 | 1978-08-22 | Bell Telephone Laboratories, Incorporated | Process for producing lithium niobate and lithium tantalate |
| FR2572066A1 (en) * | 1984-10-24 | 1986-04-25 | Mitsubishi Mining & Cement Co | Process and apparatus for preparing a ceramic powder |
| DE3742023A1 (en) * | 1987-12-11 | 1989-06-22 | Kernforschungsz Karlsruhe | Breeder material of ternary, lithium-containing oxide |
| US4933155A (en) * | 1988-03-11 | 1990-06-12 | Tosoh Corporation | Method of producing powder of lithium zirconate |
| FR2670770A1 (en) * | 1990-12-20 | 1992-06-26 | Bellon Labor Sa Roger | PROCESS FOR PREPARING AN OXIDE OF AT LEAST TWO DIFFERENT METALS. |
| WO1992011223A1 (en) * | 1990-12-20 | 1992-07-09 | Institut Français Du Petrole | Isosynthesis method in the presence of a catalyst based on an oxide of at least two different metals |
| FR2713218A1 (en) * | 1993-12-01 | 1995-06-09 | Rhone Poulenc Chimie | Tantalum and/or niobium based mixed oxide prepn. |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |